CEGT 40/120 R3 x64 4CPU vs. Zappa Mexico II x64 4CPU own b.

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Topic Rybka Support & Discussion / Rybka Discussion / CEGT 40/120 R3 x64 4CPU vs. Zappa Mexico II x64 4CPU own b.

By Heinz van Kempen (***)

Date 2008-09-02 09:02 Edited 2008-09-02 09:21

Hi all :-)

started are two matches with own books:

A--Rybka 3 x64 4CPU (with Rybka3.ctg by Jeroen Noomen) vs. Zappa Mexico II x64 4CPU (with Perfect 13 by Sedat Canbaz)

B--Rybka 3 Human x64 4CPU (with Rybka3.ctg by Jeroen Noomen) vs. Zappa Mexico II x64 4CPU (with Perfect 13 by Sedat Canbaz)

As I expected Erdo did not want to give his Mexico book for Zappa. Anyway this will be much closer matches than the one versus Hiarcs 12 and I expect a lot of draws and also some wins for Zappa, because I am already seeing after around 250 games with generic books that it is the toughest to improve with really long time controls.

By the way the tests with generic books are updated in the CEGT Forum:

http://cegt.foren-city.de/topic,74,-rybka-3-x64-4cpu-generic-set.html

For comparison we can offer so far with generic books:

Rybka 3 x64 4CPU vs. Zappa Mexico x64 4CPU – 32,5:17,5 (Zappa got four wins)

Rybka 3 x64 2CPU vs. Zappa Mexico II x64 2CPU – 33,5:16,5 (Zappa got two wins)

Conditions are the same than for match against Hiarcs:

CEGT 40/120 repeated (real time control without adaptation to weaker hardware, this means with the new conditions roughly 6 times slower compared to CCRL 40/40 and 12 times CEGT 40/20 rapid chess.

1024 MB hash each engine

3,4,5 men EGTB

used hardware is Core 2 Quad E6600 - 4 GB RAM

Book settings in Zap!Chess 64-bit GUI:

optimize

no learning (all throttles pushed to the left)

up to 50 moves

Replay will be always here:

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

and download here:

http://www.husvankempen.de/nunn/Replay/download40120.htm

First games:

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU 0,5:1,5

Game 1

Sicilian Najdorf (6.g3)

A line more rarely played compared to 6.Be3 and 6.Bg5. Zappa out of book on move 9 and back in book after transposition for only one more move. I found some games here for example by Adams (see annotated games on the website).

Soon all minor pieces were exchanged and the rest was a quite boring.and long lasting game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.01"]
[Round "1"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico x64 II 4CPU"]
[ECO "B91"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. g3 {0s} e5
{0s} 7. Nb3 {0s} Be7 {0s} 8. Bg2 {0s} O-O {0s} 9. O-O {0s}
Be6 {-0.02/20 11:49m} 10. a4 {0s} Nbd7 {0s} 11. a5 {Both
last book move 0s} Rc8 {-0.05/20 9:15m} 12. Be3 {0.00/20
3:20m} Ng4 {-0.06/20 6:49m} 13. Bd2 {+0.04/20 4:02m} Ngf6
{0.00/19 6:04m} 14. Nc1 {(Te1) +0.04/21 8:29m} Nc5 {(Lg4)
-0.02/19 14:32m} 15. N1a2 {(Te1) +0.16/18 2:14m } b6 {(Dc7)
0.00/18 4:50m} 16. Nd5 {(axb6) +0.18/18 5:28m} Nxd5
{+0.18/18 3:00m} 17. exd5 {+0.18/16 0s} Bd7 {+0.10/19
3:09m} 18. Nb4 {+0.18/19 1:45m} e4 {+0.14/19 7:59m} 19. Bc3
{(Te1) +0.11/19 4:36m} bxa5 {+0.01/18 3:43m} 20. Nc6
{+0.11/20 2:25m} Bxc6 {0.00/19 4:05m} 21. dxc6 {+0.16/21
6:20m} a4 {(Lf6) +0.01/19 3:44m} 22. Re1 {+0.15/18 3:50m}
Bf6 {(d5) -0.04/19 2:55m} 23. Bxe4 {+0.19/20 2:19m} Bxc3
{-0.07/19 2:07m} 24. bxc3 {+0.18/21 1:47m} Nxe4 {-0.10/19
2:33m} 25. Rxe4 {+0.18/20 0s} Rxc6 {-0.09/20 2:04m}
26. Rexa4 {+0.15/21 3:17m} Rxc3 {(Dc8) -0.07/20 2:45m}
27. Rxa6 {+0.15/20 2:38m} Qc8 {-0.09/20 1:39m} 28. Rxd6
{(T1a2) +0.14/21 4:20m} Rxc2 {-0.04/19 1:25m} 29. Qf3
{+0.13/21 5:31m} Rc3 {-0.04/19 1:49m} 30. Qd5 {+0.12/22
7:26m} Rc5 {-0.03/19 1:37m} 31. Qd4 {(Dd2) +0.11/21 6:24m}
Re8 {-0.01/19 2:41m} 32. Ra7 {+0.10/21 16:03m} Qh3 {(h5)
-0.01/19 1:28m} 33. Qe3 {+0.06/21 3:18m} Rcc8 {0.00/19
1:46m} 34. Qd2 {+0.06/19 0s} h5 {(g6) 0.00/20 2:48m}
35. Qd1 {+0.07/19 4:29m} Rc5 {0.00/20 1:42m} 36. Rad7
{+0.06/20 3:41m} Rce5 {0.00/20 1:14m} 37. Rd8 {+0.06/18 0s}
Kh7 {(g6) 0.00/21 1:30m} 38. Rxe8 {(Dc2+) +0.06/22 3:05m}
Rxe8 {0.00/11 0s} 39. Rc6 {(Dd3+) +0.06/22 7:54m} Re5 {(g6)
0.00/19 1:36m} 40. Rc7 {(Dd3+) +0.04/20 4:45m} Kg6 {(f6)
+0.02/18 2:27m } 41. Qd2 {(Dd6+) +0.04/19 9:41m} Qf5 {(h4)
+0.02/20 3:09m} 42. h4 {(Dc2) +0.04/21 4:02m} Rd5 {0.00/21
2:13m} 43. Qe2 {+0.04/22 1:36m} Qd3 {(De5) 0.00/21 2:20m}
44. Qa2 {(Tc6+) +0.04/23 2:54m} Rf5 {(Df3) 0.00/21 3:19m}
45. Rc2 {(Kg2) +0.04/23 3:27m} Qd1+ {0.00/21 3:06m} 46. Kh2
{+0.03/24 3:45m} Qf3 {(Kh7) 0.00/23 2:58m} 47. Qc4 {(Db1)
+0.03/23 3:24m} f6 {(Kh7) 0.00/23 2:44m} 48. Rd2 {+0.06/23
3:26m} Re5 {0.00/23 2:19m} 49. Qc2+ {(Dc1) +0.05/23 3:18m}
Qf5 {(Kh6) 0.00/23 3:31m} 50. Qd1 {(Dc3) +0.05/23 3:13m}
Kh7 {(Te7) 0.00/23 2:16m} 51. Qa1 {(Kg2) +0.05/21 3:24m}
Kg6 {(Te6) 0.00/22 3:03m} 52. Rb2 {(Dd1) +0.05/21 2:09m}
Qd3 {(Td5) 0.00/22 2:32m} 53. Qc1 {+0.04/23 5:00m} Rd5
{0.00/23 3:50m} 54. Qc6 {(Dc8) +0.04/23 4:16m} Qf5 {(Te5)
0.00/23 2:31m} 55. Qa4 {(De8+) +0.04/22 3:18m} Qd3 {(De5)
0.00/22 2:30m} 56. Rb7 {(De8+) +0.05/22 3:20m} Qd4 {0.00/21
2:53m} 57. Qa2 {(Dc2+) +0.04/22 2:11m} Kh7 {(Kh6) 0.00/22
3:03m } 58. Re7 {(Dc2+) +0.04/23 3:28m} Kh6 {0.00/22 2:45m
} 59. Kg2 {(Kh3) +0.04/22 1:02m} Kh7 {(Tc5) 0.00/22 3:13m}
60. Qc2+ {+0.04/22 5:45m} Kh6 {0.00/23 3:23m} 61. Re8
{(Dc1+) +0.04/23 4:15m} Qd3 {(Td8) 0.00/23 5:31m} 62. Qc6
{(Dxd3) +0.04/21 2:37m} Kg6 {(Db5) 0.00/22 2:39m} 63. Re2
{(Te7) +0.04/21 2:28m} Qxe2 {(Kh7) 0.00/23 3:15m} 64. Qxd5
{+0.04/26 1:07m} Qc2 {(Kh6) 0.00/25 2:40m} 65. Qf3 {(Kg1)
+0.04/27 2:04m} Qc4 {(Df5) 0.00/25 3:50m} 66. Kg1 {(De3)
+0.04/28 2:39m} f5 {(Kh6) 0.00/24 2:20m} 67. Qe3 {(Kh2)
+0.05/27 1:43m} Kh7 {0.00/24 3:26m} 68. Qe7 {(Kg2) +0.05/27
57s} Qc1+ {(De4) 0.00/25 2:32m} 69. Kh2 {(Kg2) +0.05/30
1:48m} Qc6 {(Dc2) 0.00/25 2:28m} 70. Qe3 {(Df8) +0.05/30
2:49m} Qd5 {(Dc2) 0.00/25 2:39m} 71. Qc3 {(De7) +0.05/30
3:00m} Kg6 {(De4) 0.00/25 2:17m} 72. Qc7 {(De3) +0.05/30
2:05m} Kh7 {(Df3) 0.00/25 5:52m} 73. Qf4 {(De7) +0.05/31
4:51m} g6 {(Dd3) 0.00/24 2:06m} 74. Qc7+ {(De3) +0.05/30
1:45m} Kh6 {(Kg8) 0.00/25 2:49m } 75. Qc3 {(De7) +0.05/31
2:18m} Kh7 {0.00/26 3:49m} 76. Kg1 {(De3) +0.05/30 56s} Qe4
{(Dd6) 0.00/24 2:36m} 77. Qc7+ {+0.05/29 1:18m} Kh6
{0.00/25 4:21m} 78. Qc5 {(Kh2) +0.05/30 2:29m} Qd3 {(Kh7)
0.00/23 1:35m} 79. Qf8+ {(Kh2) +0.05/29 1:13m} Kh7 {0.00/18
0s} 80. Qf7+ {+0.05/31 3:13m} Kh6 {0.00/19 0s} 81. Qf6
{(Df8+) +0.05/32 3:50m} Kh7 {(Db1+) 0.00/25 3:20m} 82. Qe7+
{(Kg2) +0.05/31 3:23m } Kh6 {0.00/26 5:54m} 83. Qf7 {(Df8+)
+0.05/31 1:48m } Qd1+ {(Db1+) 0.00/26 3:57m} 84. Kg2
{+0.05/31 1:45m} Qd4 {0.00/26 3:26m} 85. Qf8+ {(Dc7)
+0.05/30 1:56m} Kh7 {0.00/26 2:56m} 86. Qe7+ {(Df7+)
+0.05/31 2:40m} Kh6 {0.00/26 2:50m} 87. Qg5+ {(Df8+)
+0.05/31 5:17m} Kg7 {0.00/26 2:53m} 88. Qc1 {(De7+)
+0.05/31 2:35m} Qd5+ {(De4+) 0.00/23 3:15m} 89. Kg1 {(Kh3)
+0.05/31 2:45m} Kf6 {0.00/24 3:02m} 90. Qc3+ {(Db2+)
+0.05/31 2:26m} Qe5 {(Kf7) 0.00/25 2:10m} 91. Qc6+
{+0.05/29 2:30m} Qe6 {(Kg7) 0.00/26 3:05m} 92. Qc5 {(Dc3+)
+0.05/30 2:28m} Qe4 {(Dd7) 0.00/23 3:52m} 93. Qb6+ {(Kf1)
+0.05/29 2:28m} Qe6 {(Kf7) 0.00/24 6:22m} 94. Qd8+ {(Dc5)
+0.05/31 3:42m} Ke5 {(Kf7) 0.00/23 5:51m } 95. Qh8+ {(Kh2)
+0.05/26 1:55m} Ke4 {(Kd6) 0.00/23 5:17m} 96. Qc3 {(Da8+)
+0.05/26 1:45m} Kd5 {0.00/22 3:31m} 97. Qa5+ {(Dd3+)
+0.05/28 2:52m} Ke4 {(Kd4) 0.00/23 4:59m} 98. Qe1+ {(Da8+)
+0.05/27 1:59m} Kd5 {0.00/24 3:59m} 99. Qb1 {(Da5+)
+0.05/29 4:20m} Ke5 {0.00/23 5:27m} 100. Qc2 {(Db2+)
+0.05/28 1:35m} Qd5 {(Df7) 0.00/22 1:44m} 101. Qb2+ {(Da4)
+0.05/28 2:00m} Ke4 {(Kd6) 0.00/22 3:27m} 102. Qc3 {(f4)
+0.05/26 2:05m} Qd1+ {(Dd6) 0.00/21 2:06m} 103. Kg2 {(Kh2)
+0.05/27 2:04m} Kd5 {(Dd6) 0.00/21 5:28m} 104. Qg7 {(Dc8)
+0.05/28 4:17m} Kc5 {0.00/21 5:04m} 105. Qc7+ {(Df8+)
+0.05/27 1:50m} Kb5 {0.00/22 4:40m} 106. Qb7+ {+0.05/28
2:32m} Kc5 {0.00/21 0s} 107. Qa7+ {(Dc8+) +0.05/28 2:18m}
Kc6 {0.00/21 2:38m} 108. Qa6+ {(Da8+) +0.05/28 2:58m} Kc5
{0.00/22 2:58m } 109. Qc8+ {(Dxg6) +0.05/29 5:22m} Kb5
{(Kb6) 0.00/21 1:30m} 110. Qb8+ {(Da8) +0.05/28 1:54m } Kc6
{0.00/20 3:44m} 111. Qe8+ {+0.05/28 7:24m} Kc5 {0.00/19 0s}
112. Qh8 {(Dxg6) +0.05/29 5:48m} Qd5+ {0.00/21 1:32m}
113. Kh2 {(f3) +0.05/29 2:25m} Qd4 {0.00/19 1:32m}
114. Qc8+ {(Df8+) +0.05/29 3:17m } Kd6 {(Kd5) 0.00/21
2:07m} 115. Qd8+ {+0.01/29 8:48m} Ke5 {(Kc5) 0.00/22 2:11m}
116. Qe7+ {(Db8+) +0.05/27 2:19m} Kd5 {0.00/8 0s} 117. Kg1
{(Dd8+) +0.01/27 1:23m} Qe5 {0.00/22 2:37m} 118. Qd7+
{(Df7+) +0.01/26 2:14m} Qd6 {(Kc5) 0.00/23 3:29m} 119. Qe8
{0.00/25 2:24m} Qe6 {(f4) 0.00/22 1:11m} 120. Qb5+ {0.00/29
4:24m} Ke4 {0.00/22 2:09m} 121. Qe2+ {0.00/29 3:28m} Kd5
{0.00/20 0s} 122. Qd3+ {(Db5+) 0.00/31 4:56m} Ke5 {(Kc5)
0.00/23 2:21m} 123. Qe2+ {(Dc3+) 0.00/30 2:06m} Kd5 {Draw
accepted 0.00/63 0s} 1/2-1/2

Game 2

Ruy Lopez (Breyer Variation 9.h3 Nb8)

Zappa out of book on move 16 but calculated a few “theory moves”, but as you know Zappa due to its time management already uses a lot of time on the first moves after leaving the book.

The middle game was as tough as leather with no open files quite typical for the closed Spanish. Zappa sacrificed the exchange for a pawn on move 27, being also a typical exchange sacrifice when Black loses the important fianchetto bishop. When Zappa opened up the position further with 43.e5 and some moves later queen´s were exchanged the passed pawns supported by the king won easily. So a false start for Rybka 3 here.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.01"]
[Round "2"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "C95"]
[Result "1-0"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. Bb5 {0s} a6 {0s}
4. Ba4 {0s} Nf6 {0s} 5. O-O {0s} Be7 {0s} 6. Re1 {0s} b5
{0s} 7. Bb3 {0s} d6 {0s} 8. c3 {0s} O-O {0s} 9. h3 {0s} Nb8
{0s} 10. d4 {0s} Nbd7 {0s} 11. Nbd2 {0s} Bb7 {0s} 12. Bc2
{0s} Re8 {0s} 13. Nf1 {0s} Bf8 {0s} 14. Ng3 {0s} g6 {0s}
15. b3 {White last book move 0s} exd4 {0s} 16. cxd4
{+0.36/20 6:10m} c5 {0s} 17. d5 {+0.38/19 3:21m} Bg7 {Black
last book move 0s} 18. Rb1 {+0.35/18 3:46m} Ne5 {+0.04/19
6:23m} 19. Nxe5 {+0.34/18 3:24m} Rxe5 {+0.02/20 2:20m}
20. Bf4 {(Ld3) +0.31/18 5:44m} Re8 {+0.06/20 6:04m} 21. Qd2
{(Ld3) +0.31/18 7:36m} Qc7 {(b4) +0.05/20 9:38m} 22. a4
{(Ld3) +0.26/18 3:26m} Nd7 {(Tab8) +0.04/20 15:00m} 23. Bd3
{+0.31/18 8:16m} b4 {(Db6) +0.08/19 2:28m} 24. Rbc1 {(Tec1)
+0.34/18 3:17m} Qb6 {(Tab8) +0.01/19 4:48m} 25. Red1 {(Sf1)
+0.38/17 6:38m} Rac8 {(Se5) 0.00/19 4:09m} 26. Bg5 {(Sf1)
+0.41/17 4:01m} Bc3 {(Se5) 0.00/20 4:56m} 27. Rxc3 {(Dc2)
+0.50/19 3:48m} bxc3 {0.00/20 2:59m} 28. Qxc3 {+0.50/19 0s}
Qb4 {0.00/21 3:41m} 29. Qc2 {+0.56/20 6:55m} Rb8 {0.00/21
4:34m} 30. Bd2 {+0.56/20 4:31m} Qb6 {0.00/21 3:03m} 31. a5
{(Sf1) +0.59/20 5:29m} Qd8 {0.00/21 3:58m} 32. f4 {(Sf1)
+0.60/20 7:04m} Bc8 {(Dh4) +0.06/20 5:30m} 33. Bc4 {(Sf1)
+0.84/20 5:00m} Qh4 {(Tb4) -0.06/19 4:26m} 34. Qc3
{+0.94/20 3:59m} Bb7 {-0.27/19 13:53m} 35. Qf3 {(Te1)
+0.96/21 4:44m} Rbd8 {(Te7) -0.12/19 4:52m} 36. Bc3 {(Le1)
+0.96/19 3:36m} f6 {(Tc8) -0.36/18 4:25m} 37. Rd2 {(Sh1)
+0.98/19 3:07m} Rb8 {-0.21/18 5:46m} 38. Re2 {(Tf2)
+0.98/20 5:22m} Qh6 {-0.42/18 2:15m} 39. Nf1 {(Sh1)
+1.09/19 2:36m} Qf8 {(Te7) -0.37/18 2:53m} 40. Qg3 {(Sh2)
+1.10/19 2:43m} Bc8 {(Dg7) -0.96/15 1:44m} 41. Nd2 {(e5)
+1.85/19 6:37m} Rb7 {-1.78/17 8:52m } 42. Rf2 {(Lxa6)
+1.97/18 53s} Qe7 {(Sb8) -2.43/18 27:37m} 43. e5 {+2.40/19
5:01m} fxe5 {(f5) -2.44/18 2:16m} 44. Ne4 {+2.18/8 0s }
exf4 {-2.50/19 3:23m} 45. Qxf4 {+3.00/20 5:18m} Rf8
{-2.50/19 1:11m} 46. Qxd6 {+3.00/19 0s} Qxd6 {-2.63/21
1:30m} 47. Nxd6 {+3.00/19 0s} Rxf2 {-2.63/20 0s} 48. Kxf2
{+3.00/19 0s} Rb8 {-2.72/23 1:53m} 49. Nxc8 {+3.00/18 0s}
Rxc8 {-2.72/24 1:32m} 50. Bxa6 {+3.20/20 5:25m} Ra8 {(Tf8+)
-2.72/24 1:49m} 51. Bb5 {(Lc4) +4.09/20 3:20m} Ra7
{-3.10/23 3:46m} 52. d6 {+4.09/19 0s} Kf7 {-3.87/24 8:50m}
53. Bc4+ {+4.09/18 0s} Ke8 {-4.07/24 4:39m} 54. Kf3 {(Ke3)
+4.86/22 5:46m} Ra8 {(Kd8) -4.07/23 3:24m} 55. Ke4 {(Kf4)
+5.96/22 7:27m} Kd8 {(Ta7) -4.34/23 2:37m} 56. a6 {+6.21/22
4:42m} Kc8 {-4.34/23 15:12m} 57. Kd5 {(La5) +6.25/22 4:17m}
Nb6+ {(Ta7) -5.12/19 1:36m} 58. Ke6 {(Kc6) +6.73/11 0s} Nd7
{(Sxc4) -5.12/19 9:49m} 59. Bb5 {+7.59/20 3:33m} 1-0

ICC video with the Breyer Variation:

Inarkiev-Kamsky FIDE Grand Prix 2008 (comments GM Larry Christiansen)

http://webcast.chessclub.com/Baku08/Round1/GOTD.html

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU 1:1

Game 1

French Defence (3.Nc3 Nf6 4.Bg5)

So this time not the Steinitz Variation, but 4.Bg5 like often played by Kasparov. Move 8..Na5 in this sideline is unknown to the Rybka book (I found one game from a former French Championship) which features alternatively 8..b6, 8..a6, 8..Be7, 8..Rb8 lines. Queen exchange already on move 20 and nothing really exciting happened. Draw by threefold repetition on move 68.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.01"]
[Round "1"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C10"]
[Result "1/2-1/2"]

1. e4 {0s} e6 {0s} 2. d4 {0s} d5 {0s} 3. Nc3 {0s} Nf6 {0s}
4. Bg5 {0s} Nc6 {0s} 5. Nf3 {0s} Be7 {0s} 6. Bxf6 {0s} Bxf6
{0s} 7. Bb5 {0s} O-O {0s} 8. O-O {0s} Na5 {Both last book
move 0s} 9. Qd2 {+0.31/19 4:57m} a6 {-0.30/20 11:10m}
10. Bd3 {(Be2) +0.23/21 17:31m} Nc6 {-0.17/20 13:25m}
11. Ne2 {(e5) +0.16/21 18:51m} e5 {-0.11/20 8:46m} 12. exd5
{+0.16/20 2:00m} Nxd4 {-0.11/19 0s} 13. Nexd4 {+0.16/21
24:38m} exd4 {-0.11/18 0s} 14. Be4 {+0.12/20 4:03m} Qd6
{-0.02/19 7:46m} 15. Rab1 {(Rfe1) +0.12/20 1:27m} Bd7
{0.00/18 3:57m} 16. Rfe1 {+0.11/19 3:12m} Qc5 {0.00/18
7:02m} 17. h4 {(Qf4) +0.11/19 2:51m} Rae8 {+0.10/18 5:14m}
18. Qf4 {(b4) +0.08/18 2:10m} h6 {+0.10/18 3:40m} 19. Rbd1
{(b4) +0.05/18 3:01m} Qd6 {(Qb6) +0.26/18 2:49m} 20. Qxd6
{+0.08/18 51s} cxd6 {+0.26/17 0s} 21. g3 {(Kh2) +0.08/19
48s} Bg4 {+0.21/18 2:12m} 22. Kg2 {+0.08/17 0s} b5
{+0.18/19 3:06m} 23. Ra1 {(b3) +0.09/20 3:39m} Bd7
{+0.14/19 3:47m} 24. a3 {(Nd2) +0.05/20 2:24m} g5 {(Re7)
+0.17/19 2:42m} 25. hxg5 {+0.03/18 1:37m} hxg5 {+0.17/18
0s} 26. Bd3 {(Nd2) 0.00/20 1:37m } Kg7 {(Rxe1) +0.17/20
5:48m} 27. Rxe8 {(Nd2) 0.00/21 3:06m} Rxe8 {+0.20/10 0s}
28. Rh1 {0.00/22 1:11m} g4 {+0.25/20 1:59m} 29. Ng1 {(Nd2)
0.00/23 2:00m} Re1 {(Bc8) +0.36/20 2:13m} 30. Ne2 {0.00/23
1:10m} Rxh1 {+0.36/19 0s} 31. Kxh1 {0.00/22 0s} Bc8
{+0.30/21 3:23m} 32. Kg1 {(b3) 0.00/24 1:20m} Kh6 {(Bg5)
+0.36/22 3:04m} 33. Kf1 {(Nc1) 0.00/25 2:11m} Kg5 {+0.28/22
3:43m} 34. Nc1 {0.00/25 1:20m} Bd8 {+0.26/22 3:04m} 35. Ne2
{0.00/25 57s} Bb6 {+0.24/22 2:32m} 36. Nf4 {0.00/26 1:23m}
Bd7 {(Kf6) +0.17/22 2:50m} 37. Ke2 {(a4) 0.00/26 2:03m} Ba5
{(Bc8) +0.20/22 1:49m} 38. Be4 {0.00/26 2:00m} Bf5
{+0.21/22 1:44m} 39. Bxf5 {(Bd3) 0.00/27 1:27m} Kxf5
{+0.19/11 0s} 40. Kd3 {(f3) 0.00/28 1:56m} Ke5 {+0.43/24
3:02m} 41. b3 {-0.01/28 6:20m} Bb6 {(Bd8) +0.43/25 3:19m}
42. Nh5 {(a4) -0.09/28 3:18m} Ba5 {(Bc5) +0.43/25 3:00m}
43. Nf4 {(a4) 0.00/31 4:49m} Bd8 {(Bc7) +0.43/25 2:19m}
44. Ne2 {-0.09/28 1:43m } Bb6 {+0.43/25 2:55m} 45. Ng1
{(Nf4) -0.03/28 4:38m} Kxd5 {+0.43/25 3:01m} 46. f3 {(Ne2)
-0.01/28 2:53m} f5 {+0.50/24 3:34m} 47. fxg4 {-0.01/30
2:19m} fxg4 {+0.45/25 2:18m} 48. Ne2 {-0.01/31 2:39m} Ke5
{+0.45/25 3:44m} 49. b4 {(Nf4) -0.01/30 1:22m} d5 {+0.33/27
5:11m} 50. Nc1 {(Nf4) -0.01/30 1:36m} Kf6 {(Bd8) +0.06/25
5:43m} 51. Ne2 {-0.01/31 1:44m} Ba7 {+0.10/25 3:01m}
52. Nxd4 {-0.01/31 1:31m} Bb8 {(Bb6) +0.10/25 3:11m}
53. Ne2 {-0.01/29 0s} Be5 {+0.12/25 3:41m} 54. c3 {(Nc3)
-0.01/30 3:13m} Kf5 {(Ke6) +0.07/25 3:06m } 55. Ke3 {(Nd4+)
-0.01/31 1:31m} Kg6 {(Kg5) +0.07/25 2:15m} 56. Nf4+ {(Kd2)
-0.01/31 3:19m} Kg5 {+0.07/26 3:22m} 57. Ne6+ {(Ne2)
-0.01/31 3:01m} Kf5 {+0.07/25 2:58m} 58. Nd4+ {-0.01/32
1:55m} Kf6 {(Kg6) +0.07/27 4:00m} 59. Ne2 {-0.01/32 3:43m}
Kg5 {+0.07/27 2:29m} 60. Kd3 {-0.01/32 2:14m} Kg6 {+0.07/27
6:15m} 61. Ke3 {0.00/31 2:34m} Kf5 {(Kg5) 0.00/26 4:00m}
62. Nd4+ {0.00/34 3:30m} Kf6 {(Kg5) 0.00/26 2:46m} 63. Ne2
{0.00/33 3:01m} Kg5 {(Bxc3) 0.00/27 3:23m} 64. Kd3 {0.00/34
3:20m} Kf5 {(Bxc3) 0.00/26 2:32m} 65. Ke3 {0.00/33 3:13m}
Kf6 {(Bxc3) 0.00/26 2:23m} 66. Nf4 {0.00/30 4:04m} Kg5
{(Kf5) 0.00/26 2:16m} 67. Ne6+ {0.00/33 4:03m} Kf5 {0.00/27
2:08m} 68. Nd4+ {Draw accepted 0.00/36 5:01m} 1/2-1/2

Game 2

Ruy Lopez (Chigorin Variation 9.h3 Na5)

Zappa out of book on move 23 when Rybka gets four more moves from the book. Instead of 27.a3 the Rybka3.ctg includes lines with 27.Rdc1 or 27.Qe3. The game transposed soon to a seemingly endless double rook endgame.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.01"]
[Round "2"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "C99"]
[Result "1/2-1/2"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. Bb5 {0s} a6 {0s}
4. Ba4 {0s} Nf6 {0s} 5. O-O {0s} Be7 {0s} 6. Re1 {0s} b5
{0s} 7. Bb3 {0s} O-O {0s} 8. h3 {0s} d6 {0s} 9. c3 {0s} Na5
{0s} 10. Bc2 {0s} c5 {0s} 11. d4 {0s} Qc7 {0s} 12. Nbd2
{0s} cxd4 {0s} 13. cxd4 {0s} Nc6 {0s} 14. Nb3 {0s} a5 {0s}
15. Be3 {0s} a4 {0s} 16. Nbd2 {0s} Bd7 {0s} 17. Rc1 {0s}
Qb7 {0s} 18. Qe2 {0s} Rfe8 {0s} 19. Bd3 {0s} Rab8 {0s}
20. dxe5 {0s} Nxe5 {0s} 21. Nxe5 {0s} dxe5 {0s} 22. Nf3
{White last book move 0s} Bb4 {0s} 23. Red1 {+0.27/19
5:01m} Bc6 {0s} 24. Bc5 {+0.28/19 5:35m} Bxc5 {0s} 25. Rxc5
{+0.28/18 0s} Nd7 {0s} 26. Rc3 {+0.26/20 6:19m} Re6 {Black
last book move 0s} 27. a3 {+0.36/19 7:25m} h6 {-0.16/21
12:04m} 28. Rdc1 {+0.39/19 5:13m} Nf6 {(Rd8) -0.09/20
9:36m} 29. Nxe5 {+0.43/19 7:38m} Bxe4 {-0.09/18 0s}
30. Bxe4 {+0.43/20 6:59m} Nxe4 {0.00/21 11:23m} 31. Rc7
{+0.43/19 0s} Qd5 {0.00/20 0s} 32. Nxf7 {0.00/20 25:16m}
Qf5 {0.00/21 11:37m} 33. Qc2 {0.00/19 5:29m} Rf8 {(Qf4)
0.00/21 5:35m} 34. f3 {+0.18/8 0s} Rxf7 {0.00/22 4:25m}
35. fxe4 {+0.02/20 4:58m} Qxe4 {0.00/24 8:20m} 36. Rc8+
{(Qxe4) +0.01/21 8:49m} Kh7 {+0.06/20 8:01m} 37. Qxe4+
{(Rb8) 0.00/21 6:54m} Rxe4 {0.00/21 0s} 38. R1c2 {(R8c5)
0.00/21 3:09m} Re1+ {(Re3) +0.15/25 8:01m} 39. Kh2 {0.00/11
0s} Re3 {+0.15/27 22:13m} 40. Kg1 {(Rd8) 0.00/22 5:02m} Rb3
{+0.15/26 13:33m} 41. Rb8 {(Kh2) 0.00/23 4:17m} Rd7
{+0.15/26 4:06m} 42. Kh2 {(Rb6) 0.00/23 4:49m} Rd6 {(Kg6)
+0.15/26 3:16m} 43. Kg1 {(Rb7) 0.00/22 3:13m} Kg6 {(Rd1+)
+0.15/25 3:25m} 44. Kh2 {(Rb7) 0.00/21 6:43m} Kf6 {(h5)
+0.15/23 4:25m} 45. Rf8+ {0.00/20 2:14m} Ke7 {(Kg6)
+0.15/24 2:33m} 46. Rb8 {(Ra8) 0.00/21 2:37m} Kf7 {+0.15/25
3:27m} 47. Rc7+ {(Rb7+) 0.00/21 2:46m} Kf6 {(Kg6) +0.15/24
1:37m} 48. Rc2 {(Rf8+) 0.00/21 2:36m} Kg6 {(Ke5) +0.15/24
2:10m} 49. Rb7 {0.00/22 4:19m} Re6 {(Rf6) +0.15/24 9:57m}
50. Kg1 {(Rd2) 0.00/21 2:42m} Ra6 {(Kf6) +0.14/23 5:52m}
51. Kf2 {(Rb8) 0.00/20 2:39m} Rf6+ {+0.15/23 1:17m }
52. Kg1 {0.00/22 6:02m} Re6 {(Rf7) +0.15/23 1:26m} 53. Rf2
{(Rd2) 0.00/21 2:36m } Rd6 {(Rf6) +0.15/23 4:45m} 54. Rc7
{(Rc2) 0.00/20 2:43m} h5 {(b4) +0.15/23 2:55m} 55. Rff7
{(Kh2) 0.00/20 3:08m} Rxb2 {+0.33/20 1:53m} 56. Rxg7+
{0.00/20 3:49m} Kf6 {+0.46/21 6:54m} 57. Rgf7+ {0.00/20
6:43m} Ke5 {(Kg6) +0.46/21 2:14m} 58. Rh7 {-0.03/19 3:54m}
Rg6 {+0.46/22 2:46m} 59. Rhe7+ {0.00/18 2:44m} Kd4
{+0.37/22 1:08m} 60. Red7+ {0.00/18 0s} Ke3 {(Ke4) +0.43/22
6:52m} 61. Re7+ {-0.08/20 9:21m} Kd2 {(Kd3) +0.43/22 3:25m}
62. Red7+ {-0.08/20 3:46m} Ke2 {+0.37/21 1:17m} 63. Rc1
{-0.08/20 6:05m} Rb3 {(Ra2) +0.38/21 2:16m} 64. Rf1 {(Ra1)
0.00/19 2:03m} Ke3 {(h4) +0.16/21 3:41m} 65. Re1+ {0.00/20
2:55m} Kf4 {+0.16/19 0s} 66. Rf1+ {0.00/20 3:25m} Ke5
{(Ke3) +0.12/22 2:14m} 67. Re1+ {0.00/20 4:40m} Kf6
{+0.09/22 2:13m} 68. Rd6+ {0.00/20 2:02m} Kg7 {+0.08/22
1:13m} 69. Rd7+ {0.00/20 0s} Kh6 {(Kf6) +0.06/22 5:23m}
70. Ree7 {0.00/20 5:20m} Rb1+ {(Rxa3) +0.08/22 2:03m}
71. Kh2 {(Kf2) 0.00/20 1:42m} Rb2 {+0.23/19 1:25m} 72. Rh7+
{0.00/21 3:37m} Kg5 {+0.23/17 0s} 73. Rhf7 {(Kg3) 0.00/21
2:51m} b4 {+0.15/19 3:33m} 74. axb4 {0.00/20 0s} a3
{+0.07/20 4:37m} 75. Ra7 {0.00/20 2:58m} a2 {+0.04/22
3:34m} 76. Kg3 {0.00/19 1:55m} Rg8 {(Kh6+) +0.04/21 2:39m}
77. Kh2 {(Ra6) 0.00/18 2:02m} Re8 {+0.01/22 3:06m} 78. Rf3
{0.00/19 1:22m} Re5 {(Kg6) 0.00/25 3:09m} 79. Rg7+ {(h4+)
0.00/20 1:24m} Kh6 {0.00/23 0s} 80. Ra7 {(Rfg3) 0.00/21
2:43m} h4 {(Kg6) +0.13/24 4:21m} 81. Rf4 {0.00/20 2:54m}
Kg5 {(Re1) +0.13/24 3:33m} 82. Rg4+ {0.00/21 2:36m} Kf5
{(Kf6) +0.07/24 4:16m} 83. Rxh4 {0.00/21 2:29m} Ree2
{0.00/24 7:58m} 84. Ra5+ {(Kg3) 0.00/21 3:23m} Kg6 {0.00/25
3:52m} 85. Ra6+ {0.00/21 3:39m} Kf5 {0.00/26 6:10m}
86. Ra5+ {0.00/22 2:51m} Kf6 {(Kg6) 0.00/27 4:32m} 87. Rf4+
{(Ra6+) 0.00/21 3:45m} Ke7 {(Kg6) 0.00/24 3:46m} 88. Ra7+
{(Rg4) 0.00/21 2:48m} Ke6 {(Kd6) 0.00/27 4:00m } 89. Ra6+
{0.00/21 2:49m} Ke5 {0.00/26 4:00m} 90. Rg4 {0.00/21 0s}
Rf2 {(Kf5) 0.00/26 5:31m} 91. h4 {(Ra5+) 0.00/20 2:58m} Rf1
{0.00/23 2:25m} 92. Rg5+ {(Ra5+) 0.00/20 2:26m} Kd4 {(Ke4)
0.00/23 2:53m} 93. Rga5 {0.00/20 2:40m} Rff2 {0.00/22 0s}
94. Kg3 {(b5) 0.00/21 4:05m} Rxg2+ {(Ke4) 0.00/22 3:18m}
95. Kh3 {0.00/21 3:14m} Rge2 {(Rbf2) 0.00/22 2:58m} 96. Kg4
{(b5) 0.00/20 2:26m} Re4+ {0.00/23 3:25m} 97. Kh5 {0.00/21
2:58m} Ree2 {(Rh2) 0.00/25 2:28m} 98. Kg4 {0.00/21 2:19m}
Ke3 {(Re4+) 0.00/22 2:17m} 99. Re5+ {(b5) 0.00/19 2:32m}
Kd2 {(Kd4) 0.00/23 2:26m} 100. Rxe2+ {0.00/20 3:34m } Kxe2
{0.00/22 0s} 101. Re6+ {(h5) 0.00/22 3:05m} Kd3 {(Kf2)
0.00/25 1:55m} 102. Ra6 {0.00/23 3:00m} Kc2 {(Rxb4+)
0.00/27 3:48m} 103. Ra3 {(Kg5) 0.00/24 3:19m} Rxb4+ {(Kd1)
0.00/29 2:25m} 104. Kf5 {(Kg5) 0.00/27 3:04m} Rb5+ {0.00/32
2:46m} 105. Kg4 {(Kg6) 0.00/28 2:40m} Kb2 {(Rb4+) 0.00/32
2:29m} 106. Ra6 {(Rxa2+) 0.00/25 2:35m} Rb7 {(Kb1) 0.00/31
2:40m} 107. h5 {(Rxa2+) 0.00/26 4:00m} a1=Q {0.00/30 2:19m
} 108. Rxa1 {0.00/25 0s} Kxa1 {(Rg7+) 0.00/1 1s} 109. Kf5
{0.00/1 0s} Rb6 {0.00/1 0s} 110. Kg5 {0.00/1 0s} Rb5+
{0.00/1 0s} 111. Kg6 {0.00/1 0s} Rb6+ {0.00/1 0s} 112. Kh7
{0.00/1 0s} Rb5 {0.00/1 0s} 113. Kg6 {0.00/1 0s} Rb8
{0.00/1 0s} 114. h6 {0.00/1 0s} Rg8+ {0.00/1 0s} 115. Kf7
{0.00/1 0s} Rd8 {0.00/1 0s} 116. h7 {0.00/1 0s} Ka2 {0.00/1
0s} 117. Kg6 {0.00/1 0s} Ka1 {0.00/1 0s} 118. Kf6 {0.00/1
0s} Rc8 {0.00/1 0s} 119. Kf7 {0.00/1 0s} Ka2 {0.00/1 0s}
120. Kf6 {0.00/1 0s} Ka1 {0.00/1 0s} 121. Kf7 {0.00/1 0s}
Ka2 {0.00/1 0s} 122. Kf6 {0.00/1 0s} Kb1 {0.00/1 0s}
123. Kf7 {0.00/1 0s} Ka1 {0.00/1 0s} 124. Kf6 {0.00/1 0s}
Kb2 {0.00/1 0s} 125. Kg6 {0.00/1 0s} Kc1 {0.00/1 0s}
126. Kf6 {0.00/1 0s} Kb1 {0.00/1 0s} 127. Kf7 {0.00/1 0s}
Ka1 {0.00/1 0s} 128. Kf6 {0.00/1 0s} Kb2 {0.00/1 0s}
129. Kf7 {0.00/1 0s} Ka1 {Draw accepted 0.00/1 0s} 1/2-1/2

More to come soon and some of the following games will be more interesting.

Best Regards
Heinz

By Dragon Mist (****)

Date 2008-09-02 09:16

Thanks Heinz, this certainly looks to be less one-sided than the Hiarcs match.

By Jeroen

Date 2008-09-02 09:17

Hi Heinz,

Have you started both matches with 'clean' books - i.e. with the original as it comes from the CD - or including the learning effect of the Hiarcs 12 match?

Kind regards, Jeroen

By Heinz van Kempen (***)

Date 2008-09-02 10:00 Edited 2008-09-02 10:21

Hi Jeroen and Dragon :-),

like mentioned in the book conditions learning is disabled (all throttles pushed to the left). This is to give all opponents equal conditions. Moreover I am using of course "optimize" in all matches. Other setting like recommended in the readme files for the books.

A quick update. Game three from each match still not available at the website (tomorrow with more finished games).

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 1,0:2,0

Game 3

Nimzo Indian (Rubinstein 4.e3 c5)

Not one of the most frequent lines. Instead of 8..Nd5: played by Perfect 13.ctg the Rybka book only had 8..ed5:

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.01"]
[Round "3"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "E42"]
[Result "1/2-1/2"]

1. d4 {0s} Nf6 {0s} 2. c4 {0s} e6 {0s} 3. Nc3 {0s} Bb4 {0s}
4. e3 {0s} c5 {0s} 5. Nge2 {0s} cxd4 {0s} 6. exd4 {0s} d5
{0s} 7. a3 {0s} Be7 {0s} 8. cxd5 {White last book move 0s}
Nxd5 {0s} 9. Nxd5 {+0.23/20 4:45m} exd5 {Black last book
move 0s} 10. g3 {+0.25/20 3:36m} Bg4 {(0-0) -0.17/17 3:45m}
11. Bg2 {+0.34/21 16:33m} O-O {-0.19/17 3:22m} 12. h3
{(Dd3) +0.34/20 3:42m} Be6 {(Lxe2) -0.16/19 3:22m} 13. O-O
{+0.34/20 2:30m} Nc6 {-0.11/18 2:45m} 14. Nf4 {+0.33/20
10:21m} Qd7 {(Te8) -0.07/18 3:15m} 15. Re1 {+0.38/19 6:04m}
Bd6 {-0.13/18 2:58m} 16. Nxe6 {+0.37/19 2:46m} fxe6
{-0.13/17 0s} 17. b3 {(Dg4) +0.35/19 8:03m} Bc7 {(Tf6)
-0.02/17 3:55m} 18. Bb2 {+0.38/19 3:29m} Bb6 {-0.05/17
3:21m} 19. Re2 {+0.37/19 3:32m} Rac8 {(Tf6) -0.04/18 5:28m}
20. Qd3 {+0.37/19 1:56m} Ne7 {(Tf6) -0.06/18 2:50m}
21. Rae1 {+0.38/20 2:09m} Rc6 {(Tf6) -0.31/19 2:53m} 22. b4
{+0.30/19 2:41m} Rf6 {-0.21/19 3:40m} 23. h4 {+0.28/19
2:34m} Nf5 {-0.10/19 4:09m} 24. Bh3 {+0.25/18 1:49m} a6
{-0.08/19 8:23m} 25. Kh1 {(a4) +0.25/18 3:38m} Ba7
{-0.04/18 6:00m} 26. a4 {+0.29/18 7:26m} Rb6 {-0.12/18
4:26m} 27. a5 {(Kg1) +0.35/18 3:09m} Rc6 {-0.02/18 3:27m}
28. b5 {(Tc2) +0.34/17 1:05m} axb5 {0.00/10 0s} 29. Qxb5
{+0.32/19 6:06m} Qf7 {(g6) 0.00/18 2:50m} 30. Qd3 {+0.32/18
1:09m} Qg6 {(h6) -0.15/18 3:54m} 31. Qb3 {+0.40/18 2:22m}
Qf7 {-0.23/18 3:15m} 32. Rc2 {+0.46/19 2:34m} Rxc2
{-0.24/18 3:01m} 33. Qxc2 {+0.46/17 0s} Nd6 {-0.29/18
3:39m} 34. Kg2 {(f4) +0.42/19 5:08m} h5 {-0.18/18 3:15m}
35. f4 {+0.44/19 3:42m} Ne4 {(Kh8) -0.27/18 2:55m} 36. Rxe4
{+0.43/18 1:29m} dxe4 {-0.27/17 0s} 37. d5 {(Dxe4) +0.43/19
1:03m} exd5 {-0.15/20 3:22m} 38. Bxf6 {+0.43/19 46s} Qxf6
{-0.15/19 0s} 39. Qc8+ {+0.43/21 1:19m} Kh7 {-0.15/18 0s}
40. Bf5+ {+0.43/22 1:53m} g6 {-0.15/17 0s} 41. Qxb7+
{+0.43/23 1:58m} Qg7 {-0.15/16 0s} 42. Bc8 {+0.43/24 5:13m}
Kh6 {(e3) -0.15/20 2:54m} 43. Qxg7+ {+0.43/26 4:38m} Kxg7
{-0.15/19 0s} 44. Bb7 {+0.43/30 2:46m} e3 {-0.46/26 6:54m}
45. Kf3 {+0.43/31 2:12m} d4 {-0.46/25 0s} 46. Ke2 {(La6)
+0.43/32 3:03m} Kf7 {(Kf6) -0.46/26 5:11m} 47. Be4 {(Lc8)
+0.43/31 3:50m} Bb8 {(Kf6) -0.46/26 4:06m} 48. a6 {(Lb7)
+0.43/29 2:39m} Kf6 {-0.46/26 3:25m} 49. Bc2 {(Kf3)
+0.43/29 2:57m} Ba7 {-0.46/27 3:37m} 50. Bd3 {+0.43/30
2:39m} Bc5 {-0.46/27 5:16m} 51. Kf3 {+0.43/29 2:00m} Bb6
{-0.46/26 3:55m} 52. Be4 {(Lc4) +0.43/28 3:35m} Ba7
{-0.46/26 3:27m} 53. Ke2 {(Ld3) +0.43/30 1:45m} Bb8 {(Lb6)
-0.46/27 5:10m} 54. Bd3 {(Kf3) +0.43/28 2:24m} Ba7
{-0.46/28 7:07m} 55. Bc2 {(Kf3) +0.43/30 2:34m} Bc5
{-0.46/27 4:43m} 56. Bb1 {(Kf1) +0.43/30 3:08m} Ba7
{-0.46/29 4:46m} 57. Ba2 {(Lc2) +0.43/30 2:01m} Kf5
{-0.46/26 3:10m} 58. Bf7 {+0.43/29 2:57m} Bc5 {-0.46/26
6:48m} 59. Kd3 {+0.43/28 2:00m} Kf6 {(La7) -0.46/25 4:30m}
60. Bd5 {(Le8) +0.43/27 2:25m} Kf5 {-0.46/24 3:44m}
61. Be4+ {(Lf7) +0.43/26 1:21m} Kf6 {-0.46/17 0s} 62. Bc6
{+0.43/27 2:57m} Ba7 {-0.46/25 3:33m} 63. Bf3 {(Le4)
+0.43/29 2:54m} Kf5 {-0.46/27 4:04m} 64. Be4+ {+0.43/28
1:58m} Kf6 {-0.46/26 0s} 65. Kc2 {(Ld5) +0.43/28 1:42m} Bb8
{-0.46/24 3:20m} 66. Bd5 {(Kd3) +0.43/28 3:29m} Kf5 {(La7)
-0.46/23 6:06m} 67. Bf3 {+0.43/27 16:58m} Kf6 {(La7)
-0.46/24 3:20m} 68. Kd3 {+0.43/27 1:02m} Ba7 {-0.46/23 0s}
69. Bb7 {(Ke4) +0.43/29 3:09m} Kf7 {(Ke6) -0.46/26 3:44m}
70. Bc8 {(Ld5+) adjud. Draw accepted +0.43/27 1:19m} 1/2-1/2

The endgame with bishops of opposite colors I adjudicated to a draw, what I only do when it is really obvious.

Rybka 3 is winning game 4 (report tonight or tomorrow)

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU – 1,5:1,5

Game 3

Caro Kann (Advanced Variation 3.e5)

Quite different from game 4 in the match against Hiarcs. Here White goes for an early g4 in this popular line, while Black counters usually with c5 and h5 at some stage. Normally wild positions occur, but in this game we have a quick draw after 31 moves.

Zappa out of book on move 11. Rybka got more book moves until 15..Qb6: when 15..ab6: would have been the theoretical move. Anyway Rybka got nothing against this alternative move, the game was always balanced.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.01"]
[Round "3"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B12"]
[Result "1/2-1/2"]

1. e4 {0s} c6 {0s} 2. d4 {0s} d5 {0s} 3. e5 {0s} Bf5 {0s}
4. Nc3 {0s} e6 {0s } 5. g4 {0s} Bg6 {0s} 6. Nge2 {0s} Ne7
{0s} 7. f4 {0s} h5 {0s} 8. f5 {0s} exf5 {0s} 9. g5 {0s} c5
{0s } 10. dxc5 {0s} Nec6 {Black last book move 0s} 11. Bg2
{0s} d4 {-0.12/19 19:32m} 12. Nd5 {0s} Bxc5 {-0.11/18
6:05m} 13. b4 {0s} Bb6 {-0.15/19 7:05m} 14. b5 {0s} Nxe5
{+0.06/19 6:36m} 15. Nxb6 {White last book move 0s} Qxb6
{+0.03/19 6:36m} 16. Qxd4 {0.00/19 4:52m} Qxb5 {0.00/19
13:24m} 17. a4 {0.00/19 4:11m} Qa5+ {0.00/19 0s} 18. Bd2
{0.00/18 0s} Qc7 {0.00/19 0s} 19. Bxb7 {0.00/20 6:11m} Nbc6
{0.00/18 0s} 20. Bxc6+ {0.00/19 0s} Nxc6 {0.00/18 0s}
21. Qxg7 {0.00/21 5:45m} O-O-O {0.00/17 0s} 22. O-O-O
{0.00/21 11:14m} Rhe8 {0.00/19 4:46m} 23. Bf4 {0.00/22
8:18m} Qa5 {0.00/20 2:37m} 24. Qc3 {(Rxd8+) 0.00/21 4:16m}
Qxa4 {0.00/20 3:25m} 25. Nd4 {(Rxd8+) 0.00/20 2:44m} Kb7
{0.00/9 0s} 26. Nxc6 {0.00/21 5:31m} Qxc6 {0.00/20 3:31m}
27. Qb3+ {0.00/21 2:59m} Qb6 {0.00/21 2:22m} 28. Qa4
{(Qf3+) 0.00/22 7:00m} Qc6 {0.00/21 2:29m} 29. Qb3+
{0.00/22 2:13m} Qb6 {(Ka6) 0.00/22 2:43m} 30. Qf3+ {0.00/23
8:45m} Qc6 {0.00/23 3:47m} 31. Qb3+ {Draw accepted 0.00/24
5:43m} 1/2-1/2

A really quick draw by threefold repetition.

More general info regarding the Caro Kann (where the name is derived from, main lines etc.) can be found here:

http://en.wikipedia.org/wiki/Caro-Kann_Defence

Best Wishes
Heinz

By Jeroen

Date 2008-09-02 12:15

like mentioned in the book conditions learning is disabled

Ah yes, of course. Forgot about that, sorry :-).

By Vinvin

Date 2008-09-02 10:54 Edited 2008-09-02 10:57

Why don't you use the "Compmaster 2.0 beta" dor Zappa ? I think it's better than Perfect 13.

> started are two matches with own books:
>
> A--Rybka 3 x64 4CPU (with Rybka3.ctg by Jeroen Noomen) vs. Zappa Mexico II x64 4CPU (with Perfect 13 by Sedat Canbaz)
>
> B--Rybka 3 Human x64 4CPU (with Rybka3.ctg by Jeroen Noomen) vs. Zappa Mexico II x64 4CPU (with Perfect 13 by Sedat Canbaz)
>

By Heinz van Kempen (***)

Date 2008-09-02 23:35

Hi Vinvin and all :-),

I do not know if Compmaster 2.0 beta is better than Perfect 13. Any proof or data?

The main reason to take Perfect 13 had been the recommendation by Anthony Cozzie for using this book with Zappa Mexico.

An update including website:

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 2,5:2,5

Game 4

Sicilian (Richter Rauser)

Zappa out of book in move 13. Rybka played the typical Sicilian exchange sacrifice 16..Rc3: . Zappa could exchange queens to relieve the pressure, but Rybka was a pawn up then in the endgame, winning two more pawns due to more actively placed pieces. Nice win.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.02"]
[Round "4"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B67"]
[Result "0-1"]

1. e4 {0s} c5 {0s} 2. Nc3 {0s} Nc6 {0s} 3. Nge2 {0s} Nf6
{0s} 4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} d6 {0s} 6. Bg5 {0s}
e6 {0s} 7. Qd2 {0s} a6 {0s} 8. O-O-O {0s} Bd7 {0s} 9. f3
{0s} b5 {0s} 10. Nxc6 {0s} Bxc6 {0s} 11. Bd3 {0s} Be7 {0s}
12. Kb1 {0s} O-O {0s} 13. h4 {+0.18/17 3:37m} Rc8 {0s}
14. a3 {Both last book move 0s} Ba8 {-0.05/18 5:37m}
15. Qe3 {(h5) +0.22/16 7:08m} Re8 {(Tc5) +0.08/18 11:57m}
16. Qa7 {(Th3) +0.24/16 3:03m} Rxc3 {(d5) +0.19/19 6:14m}
17. bxc3 {+0.58/7 0s} Qc8 {+0.13/20 7:18m} 18. a4 {(Th3)
+0.32/18 4:36m} Qxc3 {+0.12/18 7:27m} 19. axb5 {(Ld2)
+0.29/18 4:17m} axb5 {+0.11/19 3:10m} 20. Bd2 {+0.28/18
4:54m} Qc6 {+0.18/19 2:49m} 21. Ba5 {+0.21/18 5:36m} d5
{+0.06/18 5:12m} 22. e5 {+0.21/17 0s} Nd7 {(Sh5) +0.05/21
5:02m} 23. Qc7 {+0.19/19 3:37m} Bc5 {(b4) +0.05/21 2:06m}
24. Qxc6 {0.00/19 3:52m} Bxc6 {+0.05/20 0s} 25. f4 {(Lc7)
-0.12/21 26:26m} Ra8 {+0.20/20 5:20m} 26. Bc3 {0.00/20
2:22m} Nb6 {+0.21/20 6:48m} 27. Bb2 {(Th3) 0.00/20 3:13m}
h6 {(Sc4) +0.28/20 2:35m} 28. Rh2 {+0.02/19 4:04m} Be3
{(Sc4) +0.23/20 3:32m} 29. Bc1 {(f5) 0.00/19 2:36m} Bf2
{+0.01/20 2:55m} 30. Rh3 {(Le2) 0.00/20 3:25m} d4 {+0.40/20
8:26m} 31. Be2 {0.00/20 4:17m} Nd5 {(Ld5) +0.33/21 11:09m}
32. Rf1 {-0.02/20 4:17m} Bxh4 {+0.33/22 5:39m} 33. Bb2
{-0.02/19 2:04m} Be7 {+0.33/23 6:16m} 34. Bxd4 {-0.02/18
0s} Ra4 {+0.33/22 51s} 35. c3 {-0.02/17 0s} b4 {+0.33/22
1:11m} 36. Bd1 {-0.02/16 0s} Ra5 {(Ta8) +0.33/22 3:31m}
37. cxb4 {-0.28/19 4:03m} Nxb4 {+0.45/21 30s} 38. Bf3
{-0.45/19 4:17m} Bb5 {+0.45/22 1:33m} 39. Rfh1 {(Tc1)
-0.63/18 6:04m} Bd3+ {+0.67/17 54s} 40. Kb2 {-0.53/18
2:37m} Bf5 {(Ta2+) +0.71/18 49s} 41. g4 {-0.33/8 0s} Nd3+
{+0.83/20 2:14m} 42. Kb3 {-0.84/18 2:55m} Ra3+ {+0.80/20
2:07m} 43. Kc4 {-0.84/18 0s} Ra4+ {+0.80/21 2:21m} 44. Kc3
{-0.84/18 0s} Bg6 {+0.76/22 7:46m} 45. Bc6 {(Ld1) -1.02/18
4:10m} Ra6 {+0.93/21 2:55m} 46. Bb5 {-1.01/18 3:36m} Ra3+
{+1.06/20 1:32m} 47. Kd2 {-1.01/18 0s} Ra2+ {+1.06/19 0s}
48. Ke3 {-1.00/20 4:22m} Nf2 {+1.09/21 1:32m} 49. Ra1
{-1.03/20 4:27m} Rxa1 {+1.10/22 1:40m} 50. Kxf2 {-1.03/20
0s} Ra2+ {+1.14/22 1:45m} 51. Be2 {(Kf1) -1.04/21 4:47m}
Bc2 {+1.28/21 1:51m} 52. Kg1 {-1.05/20 4:27m} Be4 {(Ta4)
+1.27/22 1:53m} 53. Kf2 {(Kf1) -1.06/20 3:46m} g5 {(g6)
+1.35/22 1:28m} 54. fxg5 {-1.18/20 5:05m} Bxg5 {+1.52/22
2:37m} 55. Kf1 {(Lc5) -1.23/20 7:07m} Bd5 {(Kg7) +1.58/23
2:39m} 56. Ke1 {-1.23/21 3:27m} Ra4 {(Ld2+) +1.97/23 5:11m}
57. Bb2 {(Lc5) -1.33/20 3:15m} Kg7 {(Te4) +2.00/22 1:43m }
58. Ba3 {-2.49/20 10:29m} Bf4 {+2.02/23 2:20m} 59. Bb2
{(Ld6) -2.49/20 2:34m} Re4 {(Lc4) +2.08/24 2:34m} 60. Kf2
{-2.58/20 2:48m} Bxe5 {+2.15/24 1:39m} 61. Bc1 {(Lxe5+)
-2.59/21 4:31m} Bf4 {+2.34/22 2:52m} 62. Bb2+ {-2.75/21
6:03m} e5 {(f6) +2.75/23 22:46m} 63. Ra3 {-2.48/19 2:48m}
Be6 {+2.75/21 0s} 64. Bd3 {(Lf3) -2.70/19 4:58m} Re3 {(Tb4)
+3.52/23 2:38m } 65. Be2 {-2.76/21 3:22m} Rxa3 {+3.52/25
1:34m } 66. Bxa3 {-2.76/20 0s} Kg6 {(e4) +3.52/27 2:51m}
67. Bf3 {-2.86/23 3:18m} Kg5 {(f6) +3.52/27 6:52m} 68. Be7+
{-2.86/15 0s} f6 {+3.52/26 0s} 69. Ke2 {(Ld8) -3.64/22
7:30m} Kh4 {(Lc4+) +4.96/21 8:13m} 70. Kf2 {-4.97/21 4:33m}
Bg5 {+5.05/22 1:18m} 71. Bd6 {(Le4) -5.52/21 7:01m} Bxg4
{(Kh3) +5.12/22 2:58m} 0-1

Game 5

Ruy Lopez (Zaitsev Variation 9.h3 Bb7)

Zappa with 26 book moves, Rybka got 27 moves from the book. So a lot of time for calculating.. Soon we got another endgame with queens and pawns ending often in draws.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.02"]
[Round "5"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C92"]
[Result "1/2-1/2"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. Bb5 {0s} a6 {0s}
4. Ba4 {0s} Nf6 {0s} 5. O-O {0s} Be7 {0s} 6. Re1 {0s} b5
{0s} 7. Bb3 {0s} d6 {0s} 8. c3 {0s} O-O {0s} 9. h3 {0s} Bb7
{0s} 10. d4 {0s} Re8 {0s} 11. Nbd2 {0s} Bf8 {0s} 12. d5
{0s} Nb8 {0s} 13. Nf1 {0s} Nbd7 {0s} 14. N3h2 {0s} Nc5 {0s}
15. Bc2 {0s} c6 {0s} 16. b4 {0s} Ncd7 {0s} 17. dxc6 {0s}
Bxc6 {0s} 18. Bg5 {0s} h6 {0s} 19. Bxf6 {0s} Nxf6 {0s}
20. Ng4 {0s} Nxg4 {0s} 21. Qxg4 {0s} Bd7 {0s} 22. Qf3 {0s}
Rc8 {0s} 23. Bb3 {0s} Be6 {0s} 24. Bxe6 {0s} fxe6 {0s}
25. a4 {0s} Qc7 {0s} 26. axb5 {0s} axb5 {0s} 27. Ra3 {Both
last book move 0s} Qc6 {-0.26/20 10:05m} 28. Qg4 {(Sh2)
+0.28/20 7:51m} d5 {(Tc7) -0.18/20 9:12m} 29. Rd1 {(Dg6)
+0.18/20 12:44m} Red8 {-0.09/19 5:29m} 30. Ng3 {+0.19/20
4:02m} Kh8 {-0.10/20 8:03m} 31. exd5 {+0.15/20 5:49m} exd5
{-0.10/19 0s} 32. Nf5 {+0.19/22 25:28m} Qf6 {0.00/20 9:13m}
33. Ne3 {+0.17/21 4:36m} d4 {0.00/19 0s} 34. cxd4 {+0.17/20
0s} exd4 {0.00/19 0s} 35. Nd5 {+0.15/22 8:04m} Qf7
{-0.03/21 10:15m} 36. Qxd4 {+0.16/22 10:28m} Bxb4 {(Tc4)
-0.03/21 6:56m} 37. Rf3 {(Dxb4) +0.13/22 12:43m} Qb7 {(De6)
-0.03/21 9:36m} 38. Qxb4 {+0.14/21 10:06m} Rxd5 {-0.03/20
0s} 39. Re1 {+0.14/22 7:29m} Qc7 {-0.07/20 9:32m} 40. Qb2
{(Tfe3) +0.14/22 9:32m} Qd7 {-0.05/20 7:33m} 41. Kh2 {(Tg3)
+0.14/20 3:29m} Re8 {-0.01/19 2:45m} 42. Rxe8+ {+0.13/21
2:55m} Qxe8 {-0.01/18 0s} 43. g3 {(Db4) +0.13/21 1:41m} Rd1
{(Te5) -0.02/19 3:32m} 44. Qb3 {+0.09/23 4:08m} Rd6 {(Ta1)
-0.01/20 4:15m} 45. h4 {(Db2) +0.11/22 5:24m} Rf6 {(Td4)
0.00/21 3:16m} 46. Rxf6 {+0.07/23 5:02m} gxf6 {0.00/20 0s}
47. Qf3 {(Dd5) +0.05/26 5:52m} Kg7 {0.00/22 3:31m} 48. h5
{(Db7+) +0.05/25 3:31m} Qe5 {0.00/22 3:04m} 49. Kg1 {(Db7+)
+0.04/26 2:56m} Kf7 {(Kf8) 0.00/22 6:35m} 50. Qb3+ {(Dg4)
0.00/25 3:03m} Kg7 {(Ke7) 0.00/22 3:39m} 51. Qd1 {(Dd3)
0.00/28 3:37m} Kf7 {(Kf8) 0.00/23 5:23m} 52. Kg2 {(Dg4)
0.00/27 4:40m} Ke6 {(De4+) 0.00/22 5:12m } 53. Kf1 {(Dg4+)
0.00/25 1:48m} Qe4 {0.00/20 2:40m } 54. Kg1 {0.00/26 1:32m}
Qd5 {(b4) 0.00/21 8:31m} 55. Qg4+ {0.00/26 2:16m} Kd6
{(Df5) 0.00/21 2:48m} 56. Qf4+ {+0.11/24 2:19m} Ke7 {(Ke6)
0.00/21 3:09m} 57. Qxh6 {+0.11/25 2:22m} Qd1+ {0.00/20 0s}
58. Kh2 {(Kg2) +0.10/25 2:39m} Qf3 {0.00/21 6:17m} 59. Qg7+
{(Dh7+) +0.10/26 3:00m} Ke6 {0.00/21 2:50m} 60. Qg8+
{+0.10/26 1:26m} Ke7 {0.00/20 0s} 61. Qh7+ {(Dg7+) 0.00/26
2:19m} Kf8 {0.00/22 3:50m} 62. Kg1 {(Dh6+) 0.00/27 2:59m}
Qd1+ {0.00/23 6:30m} 63. Kg2 {+0.08/27 2:51m} Qd5+ {0.00/23
8:34m} 64. f3 {(Kh2) +0.08/27 3:11m} Qa2+ {(Dd2+) 0.00/22
6:08m} 65. Kh3 {(Kh1) +0.07/26 2:18m} Qd5 {0.00/22 3:16m}
66. Qh6+ {(Dh8+) 0.00/26 2:25m} Ke7 {(Kf7) 0.00/22 2:40m}
67. Kg2 {(Dh7+) 0.00/25 1:22m} Qa2+ {0.00/22 7:53m} 68. Kf1
{(Kh3) 0.00/26 2:09m} Qc4+ {0.00/9 0s} 69. Kg1 {(Ke1)
0.00/26 1:47m} Qc5+ {0.00/21 3:34m} 70. Kh1 {(Kf1) 0.00/26
2:43m} Qe5 {(b4) 0.00/21 2:45m} 71. Qg7+ {(Dg6) 0.00/27
4:09m} Ke6 {0.00/21 2:45m} 72. Qg6 {(Dg8+) 0.00/27 2:54m}
Qe1+ {(Ke7) 0.00/22 4:37m} 73. Kg2 {(Kh2) 0.00/27 2:51m}
Qe2+ {0.00/14 0s} 74. Kh3 {0.00/27 2:11m} Qxf3 {0.00/22
2:55m} 75. Qe8+ {0.00/26 1:52m} Kd6 {0.00/23 6:46m} 76. Kh4
{(Db8+) 0.00/26 1:53m} Qh1+ {(b4) 0.00/20 3:42m} 77. Kg4
{0.00/16 0s} b4 {0.00/20 3:47m} 78. Qd8+ {(Df8+) 0.00/25
4:26m} Ke6 {0.00/20 2:07m} 79. Qd3 {(Db6+) 0.00/27 3:58m}
Kf7 {(Dc1) 0.00/20 3:12m} 80. Qg6+ {(Dh7+) 0.00/27 4:17m}
Ke6 {(Ke7) 0.00/21 3:14m} 81. Qd3 {(Dg8+) 0.00/27 2:45m}
Kf7 {(Dxh5+) 0.00/21 5:21m} 82. Qg6+ {(Dh7+) 0.00/28
12:08m} Ke6 {0.00/22 6:09m} 83. Qd3 {Draw accepted 0.00/28
2:24m} 1/2-1/2

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU – 2,5:2,5

Game 4

Sicilian Najdorf (English Attack)

Although White plays 6.f3 this often like in the game transposes to the English Attack normally starting with 6.Be3. This line is still en vogue and the book lines usually are 25-30 moves. But not in the one. 10.a3 combined with 11.0-0-0 is rarely seen in GM games. The reason will be that a3 already slightly weakens the king´s position and usually Black will try to push a pawn to b4 for example. However here again many exchanges and a longish endgame with K+R+B vs. K+R+3P, which was quite interesting although always drawish.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.02"]
[Round "4"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B90"]
[Result "1/2-1/2"]

1. e4 {1s} c5 {1s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. f3 {0s} e5
{0s} 7. Nb3 {0s} Be6 {0s} 8. Be3 {0s} Be7 {0s} 9. Qd2 {0s}
O-O {0s} 10. a3 {0s} Nbd7 {0s} 11. O-O-O {0s} b5 {0s}
12. g4 {0s} Nb6 {0s} 13. g5 {0s} Nh5 {0s} 14. Na5 {0s} Rc8
{0s} 15. h4 {Both last book move 0s} Ng3 {+0.49/19 9:49m}
16. Rg1 {-0.30/18 5:05m} Nxf1 {+0.57/20 7:57m} 17. Rgxf1
{-0.55/20 8:43m} Na4 {+0.62/21 16:57m} 18. Nd5 {-0.37/20
4:49m} Bxd5 {+0.62/20 0s} 19. exd5 {-0.37/20 0s} Nc3
{+0.62/20 0s} 20. Nc6 {(Nb7) -0.35/21 4:14m} Rxc6 {+0.32/19
3:05m} 21. dxc6 {-0.35/21 0s} Nxd1 {+0.32/18 0s} 22. Rxd1
{-0.12/22 6:46m} Qc7 {+0.22/20 6:55m} 23. f4 {-0.21/21
4:03m} Qxc6 {+0.20/21 9:03m} 24. fxe5 {-0.21/20 0s} dxe5
{+0.20/21 1:35m} 25. Qd7 {-0.21/19 0s} Rc8 {+0.20/21 4:58m}
26. c3 {-0.18/20 6:41m} Rc7 {(Bf8) +0.27/21 20:16m}
27. Qd8+ {-0.19/20 4:18m} Bf8 {+0.27/20 0s} 28. Qb8
{-0.29/21 7:03m} Rc8 {+0.27/21 13:37m} 29. Qxe5 {-0.29/20
0s} Re8 {+0.27/20 9:00m} 30. Qf4 {-0.22/20 8:14m} a5
{+0.23/18 3:54m} 31. Rf1 {-0.14/20 5:09m} Qd5 {+0.30/19
1:15m} 32. Bd2 {-0.14/20 5:19m} Rd8 {(Re4) +0.30/18 1:19m}
33. h5 {-0.15/19 6:35m} b4 {+0.24/17 2:50m} 34. cxb4
{(axb4) -0.05/19 4:52m} axb4 {+0.24/16 54s} 35. axb4
{-0.05/18 0s} Be7 {+0.21/16 2:22m} 36. Re1 {-0.03/19 5:21m}
Rc8+ {+0.22/16 1:45m} 37. Kd1 {-0.03/18 0s} Qb3+ {(Bf8)
+0.22/16 1:05m} 38. Ke2 {-0.11/7 0s} Rc2 {(Rd8) +0.22/16
40s} 39. Kf2 {(g6) -0.07/19 5:51m} Qxb4 {(Bf8) +0.20/15
13s} 40. Qxb4 {+0.01/20 5:08m} Bxb4 {+0.13/20 24s} 41. Re8+
{+0.01/20 0s} Bf8 {+0.03/20 0s} 42. Rd8 {+0.01/22 3:51m}
Rxb2 {0.00/25 1:54m} 43. Kf3 {0.00/21 3:39m} Rb7 {(g6)
0.00/26 3:59m} 44. Be3 {(Bc3) +0.01/22 2:52m} Rb5 {(Rc7)
0.00/27 2:11m} 45. Kg4 {0.00/22 4:04m} Rb4+ {(g6) 0.00/27
2:43m} 46. Kg3 {0.00/23 4:15m} Rb5 {0.00/27 1:44m} 47. Bf4
{(Kg4) 0.00/23 3:41m} Rb6 {(Rb3+) 0.00/27 4:46m} 48. Rc8
{(Kg4) 0.00/22 5:46m} f6 {(g6) 0.00/26 3:43m} 49. Be3 {(g6)
+0.01/22 3:16m} Rb5 {(Rb3) +0.05/24 3:18m} 50. g6 {+0.01/22
3:12m} Rxh5 {+0.07/24 1:56m} 51. Bf4 {(Bc1) +0.01/23 2:46m}
hxg6 {+0.11/25 3:07m} 52. Bd6 {+0.01/22 0s} Rd5 {(Rg5+)
+0.11/26 2:10m } 53. Bxf8 {+0.01/23 3:37m} g5 {(Kf7)
+0.12/26 4:18m} 54. Kg4 {(Bc5+) +0.01/23 2:42m} Rd4+ {(Kf7)
+0.13/24 2:27m} 55. Kf3 {+0.01/23 3:06m} Rd3+ {(Kf7)
+0.12/26 4:09m } 56. Ke4 {+0.01/24 7:49m} Rh3 {(Rd1)
+0.12/26 5:13m} 57. Kf5 {(Bc5+) 0.00/24 5:50m} Kf7
{+0.11/27 2:28m} 58. Bd6 {(Bc5) 0.00/23 4:20m} Rf3+
{+0.17/24 2:45m} 59. Kg4 {(Ke4) 0.00/24 4:19m} Rd3 {(Re3)
+0.15/25 1:45m} 60. Rc6 {0.00/23 3:14m} Kg6 {(Rd4+)
+0.15/25 3:54m} 61. Be5 {0.00/23 3:50m} Rd1 {+0.14/26
2:15m} 62. Bc3 {(Bb2) 0.00/23 3:53m} Rc1 {(Rg1+) +0.14/26
3:38m} 63. Kf3 {(Rc8) 0.00/23 2:46m} Kh5 {+0.14/26 1:48m}
64. Ke2 {(Rc8) 0.00/23 3:07m} g4 {+0.18/23 3:26m} 65. Rc5+
{0.00/23 2:30m} g5 {+0.15/25 2:47m} 66. Rc8 {0.00/23 3:21m}
Rc2+ {+0.15/25 1:34m} 67. Ke3 {0.00/23 2:24m} g3 {(Rc1)
+0.15/26 1:19m} 68. Kf3 {+0.01/9 0s} g2 {+0.08/27 5:04m}
69. Rh8+ {0.00/22 2:36m} Kg6 {+0.08/26 0s} 70. Bd4 {0.00/22
0s} Ra2 {(g4+) +0.08/27 3:23m} 71. Rg8+ {0.00/22 2:56m} Kf7
{+0.07/27 2:54m} 72. Rc8 {(Rb8) 0.00/23 2:54m} f5 {+0.03/26
4:31m} 73. Rc1 {(Rc6) 0.00/23 3:30m} Kg6 {(f4) +0.08/25
3:39m} 74. Rc6+ {(Rc8) 0.00/24 4:51m} Kh5 {(Kf7) +0.11/26
3:09m} 75. Bf2 {(Rc8) 0.00/24 2:58m } f4 {(g4+) +0.13/28
2:43m} 76. Kxg2 {(Rc5) 0.00/26 4:02m} Kg4 {(g4) +0.11/31
3:40m} 77. Rc8 {(Rc5) 0.00/25 2:49m} Rd2 {(Ra5) +0.11/31
4:37m} 78. Kg1 {(Rc1) 0.00/27 2:40m } Rb2 {(Rd1+) +0.11/27
3:45m} 79. Kg2 {(Be1) 0.00/25 3:05m} Ra2 {(Kf5) +0.11/30
2:57m} 80. Rf8 {(Rc5) 0.00/28 3:05m} Ra5 {(Ra1) +0.11/31
4:00m} 81. Re8 {(Kf1) 0.00/28 3:14m } Rd5 {(Ra2) +0.11/31
6:07m} 82. Be1 {(Rc8) 0.00/27 5:03m} Rb5 {(Rd3) +0.03/30
8:38m} 83. Rd8 {(Kf2) 0.00/26 2:42m} Rf5 {(Rb2+) +0.03/30
3:03m} 84. Kf2 {(Rc8) 0.00/25 3:13m } Rc5 {(Rb5) 0.00/31
4:25m} 85. Bd2 {(Re8) 0.00/26 2:17m} Rb5 {0.00/31 3:06m}
86. Bc1 {(Be1) 0.00/26 2:19m} Re5 {(Rb3) 0.00/29 2:32m}
87. Rb8 {(Bd2) 0.00/26 3:10m} Rd5 {(Rc5) 0.00/29 3:48m}
88. Rf8 {(Rb2) 0.00/27 3:33m} Rd3 {(Rd7) +0.03/30 3:26m}
89. Ke1 {(Rc8) 0.00/27 3:50m} Rf3 {(Rd5) +0.03/29 4:17m}
90. Bd2 {(Rc8) 0.00/27 3:00m} Ra3 {(Kg3) +0.03/30 6:02m}
91. Ke2 {(Kf2) 0.00/26 3:10m} Rb3 {0.00/30 3:30m} 92. Be1
{(Bxf4) 0.00/26 2:47m} Re3+ {0.00/30 7:50m} 93. Kf2 {(Kf1)
0.00/28 2:20m} Rh3 {(Rf3+) 0.00/31 3:04m } 94. Bd2 {(Re8)
0.00/28 2:51m} Rh2+ {(Rf3+) +0.03/28 2:08m} 95. Ke1
{0.00/28 5:29m} Kf3 {(Rh1+) +0.03/29 3:03m} 96. Kd1
{0.00/26 3:31m} Rh1+ {(Kg3) +0.03/29 3:08m} 97. Kc2
{0.00/17 0s} Rh6 {(Ke4) +0.03/29 1:47m} 98. Rf5 {0.00/25
3:09m} Rg6 {(Kg4) 0.00/28 4:39m} 99. Kd1 {0.00/26 2:53m}
Rg8 {(Kg4) 0.00/29 2:17m} 100. Rf6 {(Ba5) 0.00/25 3:53m}
Rh8 {(Kf2) 0.00/28 2:32m} 101. Rf5 {0.00/25 2:36m} Kg4
{(Rh1+) 0.00/29 1:30m} 102. Rf7 {(Rd5) 0.00/26 3:02m} Re8
{(Rh1+) 0.00/27 2:50m } 103. Kc2 {(Rd7) 0.00/25 4:25m} Re5
{(Kg3) +0.19/24 1:51m} 104. Bc3 {0.00/24 2:26m} Re2+ {(Rd5)
+0.03/25 2:54m} 105. Bd2 {(Kd1) 0.00/25 2:41m} Re4 {(f3)
0.00/26 2:13m} 106. Rg7 {0.00/25 3:09m} Rd4 {(Re6) 0.00/26
1:45m} 107. Kd1 {0.00/25 2:36m} Re4 {0.00/28 1:25m}
108. Ba5 {(Kc2) 0.00/25 4:12m} Re5 {(Re6) 0.00/26 2:22m}
109. Bc3 {0.00/25 3:55m} Rc5 {(Rd5+) 0.00/27 1:38m}
110. Bb4 {(Bf6) 0.00/25 3:36m} Rb5 {(Re5) 0.00/28 2:14m}
111. Bd2 {(Be7) 0.00/25 3:59m} Kf3 {(Rb2) +0.37/23 1:42m}
112. Re7 {(Rd7) 0.00/24 2:57m} Rd5 {(Rb1+) +0.41/24 2:03m}
113. Ke1 {(Kc2) 0.00/26 3:37m} g4 {+0.73/26 1:35m} 114. Rf7
{(Rc7) 0.00/26 2:49m} Rd4 {(Re5+) 0.00/28 1:37m} 115. Rxf4+
{(Bxf4) 0.00/28 2:35m} Rxf4 {0.00/40 54s} 116. Bxf4 {0.00/1
1s} Kxf4 {0.00/1 0s} 117. Kf2 {0.00/1 0s} g3+ {0.00/1 0s}
118. Kg1 {0.00/1 0s} Ke3 {0.00/1 0s} 119. Kg2 {0.00/1 0s}
Kf4 {0.00/1 0s} 120. Kg1 {0.00/1 0s} Ke3 {0.00/1 0s}
121. Kg2 {0.00/1 0s} Kf4 {0.00/1 0s} 122. Kg1 {Draw
accepted 0.00/1 0s} 1/2-1/2

Game 5

Petroff Defence (5.d4)

One of the main lines.

In this game Zappa had to calculate on move 13, got back into book and had to calculate again from move 17 onwards, while Rykba got 20 moves from her book. In the middlegame Rybka had a sligth advantage due to more active pieces, especially a good bishop against a passive knight, but it was not enough to win. We got two endgames with queens, another one after two pawns were promoted. The third game out of five with more than 100 moves and the fifth draw.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.02"]
[Round "5"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C42"]
[Result "1/2-1/2"]

1. e4 {1s} e5 {1s} 2. Nf3 {0s} Nf6 {0s} 3. Nxe5 {0s} d6
{0s} 4. Nf3 {0s} Nxe4 {0s} 5. d4 {0s} d5 {0s } 6. Bd3 {0s}
Nc6 {0s} 7. O-O {0s} Be7 {0s} 8. c4 {0s} Nb4 {0s} 9. Be2
{0s} O-O {0s} 10. Nc3 {0s} Be6 {0s} 11. Ne5 {0s} f6 {0s}
12. Nf3 {0s} Kh8 {0s} 13. a3 {0s} Nxc3 {-0.23/18 2:52m}
14. bxc3 {0s} Nc6 {-0.15/18 3:08m} 15. Nd2 {0s} f5 {0s}
16. Re1 {0s} Bf6 {Black last book move 0s} 17. Bf3 {0s} Bf7
{-0.43/19 4:28m} 18. Rb1 {0s} b6 {-0.25/18 3:15m} 19. cxd5
{0s} Bxd5 {-0.23/18 4:30m} 20. Nc4 {White last book move
0s} Rc8 {-0.09/18 3:45m} 21. Bf4 {(Bb2) +0.40/20 5:54m} Ne7
{-0.02/18 5:23m} 22. Ne5 {(Ne3) +0.35/20 15:35m} c5 {(Bxf3)
-0.31/19 3:32m} 23. dxc5 {+0.42/20 3:10m} Rxc5 {-0.22/20
7:53m} 24. c4 {+0.36/21 7:41m} Bxe5 {-0.38/20 7:55m}
25. Rxe5 {+0.37/22 9:31m} Bxf3 {-0.38/20 0s} 26. Qxf3
{+0.31/23 12:01m} Rxe5 {-0.44/20 4:08m} 27. Bxe5 {+0.31/22
0s} Ng6 {-0.47/21 4:36m} 28. Bb2 {+0.32/22 13:05m} Qe7
{(Qc7) -0.29/20 9:11m} 29. a4 {(Rd1) +0.38/19 9:40m} Re8
{(Qe6) -0.35/18 5:50m} 30. g3 {(Bc3) +0.49/18 2:45m} f4
{-0.35/17 3:00m} 31. Bc3 {(a5) +0.51/19 2:59m} Qc7
{-0.36/19 11:20m} 32. Rd1 {+0.51/19 1:59m} Kg8 {-0.44/19
5:40m} 33. Rd4 {+0.48/19 2:43m} Qf7 {(fxg3) -0.47/19 9:51m}
34. Qd1 {+0.45/21 11:35m} fxg3 {-0.51/19 2:27m} 35. hxg3
{+0.45/21 5:29m} Nf8 {(Rf8) -0.55/19 2:57m} 36. a5
{+0.56/19 4:39m} Qf5 {(Qe6) -0.52/18 3:37m} 37. Rf4 {(Rd6)
+0.74/19 2:50m} Qc5 {(Qe6) -0.60/18 2:33m} 38. Qg4 {(Rg4)
+0.82/20 2:10m} Re7 {-0.58/18 2:40m} 39. Rf5 {(Qf3)
+0.86/19 2:00m} Qc6 {-0.78/17 1:49m} 40. Rxf8+ {+0.86/20
3:28m} Kxf8 {-0.68/14 0s} 41. Bb4 {+0.86/19 0s} bxa5 {(Qf6)
-0.68/18 4:57m } 42. Bxe7+ {+0.90/23 3:27m} Kxe7 {-0.68/18
0s} 43. Qxg7+ {+0.93/26 5:21m} Kd6 {-0.68/19 2:48m}
44. Qd4+ {+0.93/26 3:58m} Ke6 {-0.70/20 5:03m} 45. Qe3+
{+0.94/26 8:14m} Kf5 {-0.70/20 4:23m} 46. Qxa7 {+0.94/26
4:33m} Kg6 {(Qxc4) -0.71/20 3:36m} 47. c5 {(Qxa5) +0.98/24
2:53m} a4 {-0.70/19 0s} 48. Qb6 {+1.00/25 3:16m} Qxb6
{(Qf6) -0.71/21 3:07m} 49. cxb6 {+1.00/23 0s} a3 {-0.71/21
0s} 50. b7 {+1.01/27 1:37m} a2 {-0.71/20 0s} 51. b8=Q
{+1.02/28 2:13m} a1=Q+ {-0.71/19 0s} 52. Kg2 {+1.02/28
1:16m} Qa2 {(Qd4) -0.72/21 3:02m} 53. Qd6+ {(Qb6+) +1.02/28
1:42m} Kg5 {(Kg7) -0.72/22 3:50m} 54. Qe7+ {(Qc5+) +1.02/28
2:57m} Kg6 {-0.72/23 3:11m} 55. Qe4+ {(Qd6+) +1.02/29
1:38m} Kg7 {-0.72/23 4:49m} 56. g4 {(Qc6) +1.02/29 2:57m}
h6 {-0.72/22 3:34m} 57. Qd4+ {+1.02/29 1:23m} Kf7 {(Kg6)
-0.72/23 5:16m} 58. Qd7+ {(Kg3) +1.02/30 2:44m} Kg6 {(Kg8)
-0.72/23 5:01m} 59. Qe8+ {+1.02/30 2:52m} Kg7 {-0.72/24
7:59m} 60. Qe3 {(Qe7+) +1.02/30 2:02m} Qd5+ {(Qb1) -0.72/22
2:54m} 61. Kg3 {(Kh2) +1.02/31 4:09m} Qd6+ {(Qb7) -0.72/24
5:18m} 62. f4 {+1.02/31 3:46m} Kf6 {(Qc6) -0.72/23 3:02m}
63. Qe8 {(Qc3+) +1.02/29 2:30m} Qd3+ {-0.72/21 2:34m}
64. Kh4 {+1.02/29 1:33m} Qd6 {-0.72/21 0s} 65. Qe3 {(Qh8+)
+1.02/29 4:05m} Qd5 {(Qc6) -0.72/23 4:05m} 66. Qc3+ {(Qb6+)
+1.02/28 2:47m} Kf7 {-0.72/23 3:40m} 67. Kg3 {(Qc7+)
+1.02/29 1:23m} Qe4 {(Qe6) -0.72/22 2:53m} 68. Qc7+
{+1.02/30 1:38m} Kf8 {(Kf6) -0.72/23 4:54m} 69. Qe5 {(Qd8+)
+1.02/30 1:42m} Qh1 {(Qc6) -0.72/22 3:53m} 70. Qb8+
{+1.33/29 3:38m} Kf7 {-0.72/22 2:08m} 71. Qc7+ {(Qb6)
+1.33/30 2:40m} Ke8 {-0.72/22 2:41m} 72. Qc8+ {+1.33/30
2:12m} Kf7 {(Ke7) -0.72/23 4:39m} 73. Qf5+ {+1.33/31 4:35m}
Kg7 {(Ke7) -0.72/23 2:34m} 74. Qd7+ {+1.02/29 2:58m} Kf6
{-0.72/23 2:14m} 75. Qd8+ {(Qd6+) +1.02/30 3:36m} Kg6
{(Kf7) -0.72/22 2:17m} 76. Qg8+ {(Qd6+) +1.33/30 2:52m} Kf6
{-0.72/14 0s} 77. Qf8+ {(Qh8+) +1.02/30 8:03m} Kg6
{-0.72/22 1:51m} 78. Qe8+ {(Qd6+) +1.02/30 4:40m} Kg7
{-0.72/23 1:48m} 79. Qe7+ {(Qd7+) +1.02/31 2:10m} Kh8
{(Kg8) -0.72/23 3:12m} 80. Qd8+ {(Qe6) +1.02/30 4:10m} Kh7
{(Kg7) -0.72/23 1:26m} 81. Qd7+ {+1.02/31 5:43m} Kg8 {(Kg6)
-0.72/24 5:21m} 82. Qe6+ {+1.02/31 4:21m} Kh7 {(Kg7)
-0.72/24 2:45m} 83. Qf7+ {+1.02/31 3:59m} Kh8 {-0.72/23 0s}
84. Qf6+ {+1.02/32 4:38m} Kg8 {(Kh7) -0.72/24 2:56m}
85. Qg6+ {+1.02/30 3:03m} Kh8 {(Kf8) -0.72/24 4:05m}
86. Qd6 {(Qe6) +1.02/31 3:03m} Qe1+ {(Qg1+) 0.00/22 3:26m}
87. Kf3 {+1.02/31 1:50m} Qh1+ {0.00/22 0s} 88. Ke3 {(Ke2)
+1.02/31 3:38m } Qg1+ {(Kg7) 0.00/22 3:09m} 89. Ke4 {(Kf3)
+3.50/31 18:20m} Qxg4 {0.00/14 0s} 90. Qd4+ {(Qxh6+)
0.00/20 1:53m} Kg8 {0.00/26 2:29m} 91. Qd5+ {(Qd8+) 0.00/24
1:05m} Kg7 {0.00/27 3:21m} 92. Qe5+ {(Qd4+) 0.00/27 1:33m}
Kh7 {(Kf7) 0.00/27 2:30m} 93. Qc7+ {0.00/28 1:39m} Kg6
{(Kh8) 0.00/27 2:16m} 94. Qb6+ {(Qd6+) 0.00/29 1:58m } Kg7
{(Kh7) 0.00/28 3:38m} 95. Qb7+ {(Qc7+) 0.00/29 1:30m} Kg8
{(Kh8) 0.00/27 6:11m} 96. Ke5 {(Qd5+) 0.00/29 1:40m} Qg7+
{(h5) 0.00/28 3:19m } 97. Qxg7+ {0.00/35 1:22m} Kxg7
{0.00/1 0s} 98. Kd4 {0.00/1 0s} h5 {0.00/1 0s} 99. Ke4
{0.00/1 0s} Kf6 {0.00/1 0s} 100. f5 {0.00/1 0s} Kf7 {0.00/1
0s} 101. Ke3 {0.00/1 0s} Ke7 {0.00/1 0s} 102. Ke4 {0.00/1
0s} Kf6 {0.00/1 0s} 103. Kf4 {0.00/1 0s} h4 {0.00/1 0s}
104. Ke4 {0.00/1 0s} Ke7 {0.00/1 0s} 105. Ke3 {0.00/1 0s}
h3 {0.00/1 0s} 106. Kf2 {0.00/1 0s} Kd6 {0.00/1 0s}
107. Kf3 {0.00/1 0s} h2 {0.00/1 0s} 108. Kg2 {0.00/1 0s}
Kd5 {0.00/1 0s} 109. f6 {0.00/1 0s} Kd6 {0.00/1 0s} 110. f7
{0.00/1 0s} Ke7 {0.00/1 0s} 111. f8=Q+ {0.00/1 0s} Kxf8
{0.00/1 0s} 112. Kxh2 {Draw accepted 0.00/59 0s} 1/2-1/2

Kind Regards
Heinz

By Vinvin

Date 2008-09-03 08:17

> I do not know if Compmaster 2.0 beta is better than Perfect 13. Any proof or data?
>
> The main reason to take Perfect 13 had been the recommendation by Anthony Cozzie for using this book with Zappa Mexico.

May be, Anthony don't know the Compmaster book.

Compmaster 1.0 beta seems already be 50 elo stronger than Perfect 13, ratings here :

http://www.sedatchess.com/scct_opening_book.html
http://www.sedatchess.com/scct_book.html

By Heinz van Kempen (***)

Date 2008-09-03 11:36

Hi Vinvin and all :-),

thanks, interesting. I remember that I visited Sedat´s page and thought to wait for more games for Compmaster in order to see if it holds.

We should wait for at least 100 games with Perfect 13 and maybe then give a poll if to continue with it or to change to another book like Compmaster. This games here will not be included in any rating list, so we can just test one thing or another.

Update:

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 4,0:3,0

Game 6

Sicilian Sveshnikov (9.Nd5)

The first Sveshnikov in this match and a threefold repetition just after Rybka left her book, what should be okay with Black against a strong engine like Zappa.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.02"]
[Round "6"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B33"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nc3 {0s} Nc6 {0s} 3. Nge2 {0s} Nf6
{0s} 4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} e5 {0s} 6. Ndb5 {0s}
d6 {0s} 7. Bg5 {0s} a6 {0s} 8. Na3 {0s} b5 {0s} 9. Nd5 {0s}
Be7 {0s} 10. Bxf6 {0s} Bxf6 {0s} 11. c3 {0s} O-O {0s}
12. Nc2 {0s} Bg5 {0s} 13. a4 {0s} bxa4 {0s} 14. Rxa4 {0s}
a5 {0s} 15. Bc4 {0s} Rb8 {0s} 16. Ra2 {0s} Kh8 {0s}
17. Nce3 {0s} Bxe3 {0s} 18. Nxe3 {0s} Ne7 {0s} 19. b3 {0s}
f5 {0s} 20. exf5 {0s} Nxf5 {0s} 21. Nd5 {0s} Bb7 {0s}
22. O-O {White last book move 0s} Rc8 {0s} 23. Qd2
{+0.13/19 5:53m} Rc5 {0s} 24. Rd1 {+0.07/18 5:18m} Nh4 {0s}
25. h3 {+0.16/18 4:48m} Rf3 {Black last book move 0s}
26. Kf1 {0.00/17 5:22m} Rf8 {0.00/19 8:01m} 27. Kg1
{0.00/20 12:48m} Rf3 {0.00/20 7:42m} 28. Kf1 {(gxf3)
0.00/19 7:41m} Rf8 {0.00/20 5:49m} 29. Kg1 {Draw accepted
0.00/22 7:53m} 1/2-1/2

Game 7

Queen´s Indian (4.g3)

Moving the f8 bishop to d6 and not to e7 is a rare line. The engines were out of book after move 8, Instead of 8..Bc3: already calculated by Zappa the Rybka book includes lines against 8..Nc6 and 8..Qe7.

A long fight with Rybka´s bishop pair first being ineffective in a closed position. But Rybka first gave the exchange for two pawns and then decisively opened up the game after 65.f5. Zappa had to give the rook for the bishop and a won queens ending was left with two pawns up.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.02"]
[Round "7"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "E15"]
[Result "1-0"]

1. Nf3 {0s} Nf6 {0s} 2. d4 {0s} e6 {0s} 3. c4 {0s} b6 {0s}
4. g3 {0s} Bd6 {0s} 5. Bg2 {0s} Bb7 {0s} 6. O-O {0s} O-O
{0s} 7. Nc3 {0s} Bb4 {0s} 8. Bd2 {Both last book move 0s }
Bxc3 {-0.21/17 2:32m} 9. Bxc3 {+0.37/19 7:05m} Be4 {(d6)
-0.24/18 6:34m} 10. Bh3 {(Tc1) +0.34/19 8:20m} Bxf3
{-0.20/18 2:51m} 11. exf3 {+0.34/17 0s} d5 {-0.19/19 6:33m}
12. cxd5 {(f4) +0.37/21 6:46m} Nxd5 {-0.16/19 2:23m} 13. f4
{+0.35/21 4:16m} Qd7 {(Sc6) -0.31/18 5:06m} 14. Qd3
{+0.30/19 3:25m} g6 {-0.25/18 2:30m} 15. b3 {(Tac1)
+0.27/20 6:00m} a5 {(Sc6) -0.17/18 2:31m} 16. a3 {(a4)
+0.25/21 3:46m} Nc6 {-0.24/19 4:09m} 17. Bb2 {+0.22/21
3:49m} Nce7 {(a4) -0.26/19 2:45m} 18. Rac1 {(Lg2) +0.22/20
3:35m} h5 {-0.23/19 4:15m} 19. Bg2 {+0.22/19 2:59m} h4
{-0.26/18 2:46m} 20. Qe2 {(Tc2) +0.22/19 6:15m} Nf5
{-0.26/18 2:29m} 21. Rc2 {+0.22/19 2:01m} a4 {(Tac8)
-0.22/19 4:16m} 22. b4 {+0.19/19 2:05m} Rac8 {-0.23/19
3:25m} 23. Re1 {(Tfc1) +0.17/19 1:32m} hxg3 {(c6) -0.18/19
2:54m} 24. hxg3 {+0.22/21 2:49m} c6 {-0.25/19 3:10m}
25. Qe5 {+0.22/21 4:18m} Kh7 {(b5) -0.21/20 2:47m} 26. Rec1
{(Lf3) +0.12/20 9:09m} Nd6 {0.00/20 7:19m} 27. Bf1
{+0.14/20 1:53m} b5 {0.00/20 2:31m} 28. Bd3 {+0.08/20
5:43m} Rh8 {0.00/21 3:38m} 29. Qe2 {(Tc5) +0.08/20 1:51m}
Kg7 {0.00/19 2:18m} 30. Qf3 {(Tc5) +0.08/21 4:08m} Rh5
{(Th3) +0.01/18 2:19m} 31. Bf1 {(Tc5) +0.08/20 1:25m} Kf8
{(Dc7) +0.03/19 2:30m } 32. Bg2 {(Le2) +0.08/21 2:34m} Qb7
{(Kg7) +0.03/20 2:33m} 33. Rc5 {+0.08/21 3:17m} Rh7 {(Dd7)
+0.03/20 2:34m} 34. Qd1 {(Lf1) +0.23/19 2:38m } Qa6 {(Kg8)
0.00/18 3:12m} 35. Qc2 {+0.23/18 2:17m } Nc4 {(Se7) 0.00/20
2:27m} 36. Qe2 {(Lf1) +0.33/19 2:23m} Nd6 {-0.31/19 4:54m}
37. Qe5 {+0.33/19 2:09m} Nc4 {-0.31/18 0s} 38. R1xc4
{+0.33/20 1:43m} bxc4 {-0.31/17 0s} 39. Qe2 {+0.33/21
3:47m} Rd8 {(Th8) -0.31/19 4:21m} 40. Ra5 {+0.35/21 5:23m}
Qb7 {-0.54/20 4:16m} 41. Qxc4 {+0.34/21 2:48m} Ra8 {(f5)
-0.57/19 4:29m} 42. Rc5 {+0.57/21 2:04m} Ra6 {(Tc8)
-0.65/20 4:09m} 43. Bf1 {(Dc2) +0.58/21 3:49m} Ra8 {(Tb6)
-0.65/20 3:05m} 44. Qc1 {(Lg2) +0.60/20 4:19m} Ne7 {(Td8)
-0.68/19 4:02m} 45. Bg2 {+0.65/20 2:49m} Rb8 {(Tc8)
-0.65/20 3:08m} 46. Qc2 {+0.75/20 3:38m} Qa7 {-0.71/20
2:50m} 47. Ra5 {+0.72/20 3:38m} Qd7 {-0.71/21 4:15m}
48. Rxa4 {(Dxa4) +0.72/20 3:15m} Nd5 {(Th5) -0.71/20 3:11m}
49. Ra5 {+0.71/20 2:47m} Kg7 {-0.71/20 3:06m} 50. Rc5
{+0.69/20 2:38m} Rb6 {-0.71/19 0s} 51. Qa4 {(Lf3) +0.69/21
3:08m} Rh8 {-0.71/20 3:32m} 52. Bf3 {+0.69/21 3:15m} Rc8
{(Db7) -0.72/20 2:52m} 53. Rc1 {+0.69/21 3:01m} Rh8
{-0.71/20 3:02m} 54. Qc2 {+0.69/21 1:56m} Qa7 {(Dc8)
-0.71/21 3:54m} 55. Qd3 {(Kg2) +0.69/20 4:39m } Qa4
{-0.71/20 3:25m} 56. Rc5 {+0.69/20 2:17m} Qa8 {(Da6)
-0.71/21 2:55m} 57. Qc2 {+0.69/21 4:49m} Ra6 {(Db7)
-0.71/21 3:08m} 58. Kg2 {(Dc1) +0.69/20 3:10m} Qb7 {(Tb6)
-0.71/21 4:43m} 59. Qe2 {(Dc1) +0.69/20 3:54m} Kg8
{-0.71/20 3:12m} 60. Bc1 {(Dc4) +0.69/20 2:57m} Rb6
{-0.71/21 4:57m} 61. Qe4 {(Kg1) +0.69/19 2:37m} Ra6 {(Dd7)
-0.71/20 6:10m} 62. Qc2 {(Kf1) +0.83/17 2:28m } Kg7
{-0.71/20 7:55m} 63. Qe2 {(Lb2) +0.90/18 2:04m} Raa8 {(Kg8)
-0.92/19 4:21m} 64. Qe5+ {+1.92/17 3:11m} Kg8 {-0.92/18 0s}
65. f5 {(Dd6) +1.92/16 0s} gxf5 {-1.50/19 6:31m} 66. Bxd5
{+1.92/16 0s} exd5 {-1.71/20 4:28m} 67. Qf6 {(Dxf5)
+1.90/18 1:28m} f4 {-1.81/20 10:40m} 68. Bxf4 {+1.59/19
7:00m} Qd7 {-1.82/20 2:28m} 69. Bh6 {+1.59/18 0s} Qg4
{-1.82/20 2:16m} 70. Rxc6 {+1.59/18 0s} Qe4+ {(Dg6)
-1.82/21 3:55m} 71. f3 {+1.93/15 0s} Qe2+ {-1.77/20 1:49m}
72. Kh3 {+2.06/18 2:27m} Rxh6+ {-1.77/20 3:07m} 73. Qxh6
{+2.06/17 0s} Qxf3 {-1.99/20 24s} 74. Qg5+ {+2.05/19 2:43m}
Kf8 {-1.99/19 0s} 75. Rc1 {+2.13/21 12:36m} Qxa3 {-2.14/18
2:02m} 76. Qxd5 {(Dh6+) +2.13/21 1:27m} Qxc1 {(Da6)
-1.79/17 55s } 77. Qxa8+ {+2.30/24 2:00m} Kg7 {-1.80/19
55s} 78. Qe4 {+2.30/25 2:33m} Kf8 {-1.84/18 55s} 79. d5
{+2.50/25 7:54m} Qd1 {(Da1) -1.93/18 1:28m} 80. Qe5 {(Dc4)
+3.06/25 4:44m} Qh1+ {(Df1+) -2.03/18 59s} 81. Kg4
{+3.06/23 0s} Qd1+ {-2.17/20 5:56m} 82. Kg5 {(Kh4) +4.86/25
25:11m} Qd2+ {-2.17/20 2:33m} 83. Kh5 {+4.86/23 0s} Qd1+
{-2.17/21 4:00m} 84. Kh4 {+4.86/23 0s} Qh1+ {-2.18/21
5:07m} 85. Kg5 {+4.86/22 0s} Qc1+ {-2.18/21 7:14m} 86. Qf4
{+4.86/22 0s} Qd1 {(Da1) -3.18/21 22:06m} 87. Qb8+ {(Kf6)
+4.86/24 12:16m} Kg7 {-3.38/20 4:07m} 88. Qe5+ {+4.86/24
0s} Kf8 {-3.38/20 0s} 89. d6 {+4.86/25 6:37m} Qc1+
{-3.38/20 5:39m} 90. Qf4 {(Kf5) +4.86/25 9:12m} Qa1 {(Dd1)
-3.64/20 3:52m} 91. Kf5 {+5.06/23 21:31m} Qh1 {(Db1+)
-4.21/19 4:17m} 92. Qd4 {(Ke5) +5.12/22 14:40m} Qf3+
{(Dh3+) -4.70/19 1:39m} 93. Ke5 {+5.11/20 0s} Qxg3+
{-8.53/18 3:54m} 94. Kd5 {+5.12/17 30s} Qh3 {-8.53/18 0s}
95. b5 {+5.12/18 2:09m} 1-0

Rybka is winning game 8 currently.

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU – 3,0:4,0

Game 6

Sicilian A80

16 moves out of book for both in this mixture of Najdorf and Scheveningen. A wild game and one of those we often see in the Sicilian with attacks on both flanks. In this games Zappa got the upper hand although Rybka tried to counterattack actively.

.
[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.02"]
[Round "6"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B80"]
[Result "1-0"]

1. e4 {1s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. f3 {0s} e6
{0s} 7. Be3 {0s} b5 {0s} 8. Qd2 {0s} Nbd7 {0s} 9. O-O-O
{0s} Bb7 {0s} 10. g4 {0s} Nb6 {0s} 11. Qf2 {0s} Nfd7 {0s}
12. Bd3 {0s} Rc8 {0s} 13. Nce2 {0s} Qc7 {0s} 14. Kb1 {0s}
Be7 {0s} 15. h4 {0s} d5 {0s} 16. h5 {0s} Nc5 {Both last
book move 0s} 17. e5 {+0.15/17 3:46m} h6 {(0-0) 0.00/18
4:31m} 18. Qg3 {+0.39/18 4:19m} Nbd7 {-0.14/18 7:30m}
19. f4 {+0.50/18 4:23m} b4 {-0.24/18 5:27m} 20. Rc1
{+0.57/18 5:56m} O-O {(Qb8) -0.36/18 31:15m} 21. Nf3 {(g5)
+0.71/17 9:16m} Ne4 {(d4) -0.36/17 8:48m} 22. Qh3 {(Qg2)
+0.74/17 5:26m} Qa5 {(Ndc5) -0.52/14 5:33m} 23. g5
{+0.89/18 9:18m} hxg5 {-0.50/15 1:25m} 24. Ned4 {(fxg5)
+0.91/17 12:17m} Ndc5 {-0.22/15 2:21m} 25. h6 {+0.84/18
7:37m} g6 {-0.19/17 3:10m} 26. Bxe4 {+0.73/18 6:55m} dxe4
{-0.40/18 4:50m} 27. h7+ {(Nxg5) +1.00/18 4:55m} Kh8
{-0.25/17 1:35m} 28. Nxg5 {+1.00/18 0s} Bxg5 {(Bd5)
-0.44/17 3:51m} 29. fxg5 {+0.99/9 0s} Nd7 {-0.64/19 3:46m}
30. Rcd1 {(Qf1) +1.11/19 4:55m} Bd5 {-0.63/19 4:32m} 31. b3
{+1.14/19 5:32m} Rc3 {(Qb6) -0.63/20 11:17m} 32. Qg3
{+1.29/19 3:48m} Qc5 {(Rcc8) -0.87/20 7:21m} 33. Qf2
{+1.27/18 4:09m} Rxe3 {-0.87/19 4:46m} 34. Qxe3 {+1.27/17
0s} Qb6 {(Nxe5) -0.87/17 47s} 35. Rh3 {(Qf4) +1.62/19
4:22m} a5 {-0.88/17 31s} 36. Qf4 {(Qg3) +1.62/19 4:30m} Qc7
{-0.82/18 2:47m} 37. Nb5 {+1.71/19 3:23m} Qxe5 {-0.82/17
1:44m} 38. Qe3 {+1.84/19 4:16m} Rd8 {-1.33/16 49s} 39. a4
{(a3) +1.86/19 2:25m} bxa3 {-1.33/17 47s} 40. Nxa3
{+1.86/18 0s} a4 {-1.33/17 28s} 41. c4 {+2.03/20 3:47m} Bc6
{-1.65/18 3:48m} 42. b4 {+2.35/20 6:32m} Rb8 {-2.05/18
9:42m} 43. Nc2 {(b5) +2.46/19 5:45m} a3 {-1.57/18 3:49m}
44. Qxa3 {(Qd4) +2.46/18 0s} Nc5 {-2.02/17 6:06m} 45. Qe3
{(Qa5) +2.96/19 4:39m} Ba4 {-2.59/17 4:28m} 46. Qd4
{+2.96/18 0s} Qxd4 {-2.61/17 1:21m} 47. Rxd4 {+2.96/18 0s}
Be8 {(e5) -2.78/18 3:53m} 48. Rh4 {(b5) +3.31/20 4:11m }
Nb3 {(e5) -3.19/17 2:35m} 49. Rd1 {(Rd6) +3.92/20 3:55m}
Na5 {-3.21/19 2:49m} 50. Rxe4 {+4.02/20 3:08m} Kxh7 {(Nc6)
-3.44/20 2:17m} 51. Rh1+ {(Kb2) +4.47/20 4:33m} Kg7
{-3.20/22 3:52m} 52. Reh4 {+4.47/20 0s} Kf8 {-3.20/21 0s}
53. Rh8+ {(Kb2) +4.47/20 0s} Ke7 {-3.20/20 0s} 54. Rxe8+
{+4.47/20 0s} Rxe8 {-3.20/20 0s} 55. bxa5 {+4.47/20 0s}
Rb8+ {-4.20/20 4:43m} 56. Kc1 {+4.47/19 0s} Ra8 {-4.74/23
14:54m} 57. Nd4 {+4.47/18 0s} Rc8 {-5.00/23 18:08m} 58. Kb2
{(Kd2) +4.90/20 6:05m} Rxc4 {-4.77/21 4:35m} 59. Rd1 {(Rh4)
+4.90/19 0s} e5 {-5.12/21 6:06m} 60. Kb3 {+5.22/21 8:54m}
Rc8 {-4.77/20 8:51m} 61. Nf3 {(Re1) +5.45/20 3:28m} f6
{(Ke6) -5.12/19 5:58m} 62. gxf6+ {(Re1) +6.33/18 3:51m}
Kxf6 {-5.12/21 4:01m} 63. Rd6+ {(Re1) +6.33/18 0s} 1-0

Game 7

Queen´s Gambit

Rybka out of book after 20..Be4. ‘The line in Rybka3.ctg is 20..Bd5.

Both engines evaluated Rybka´s position as better in the early middle game. Rybka pushed a pawn to e7, but Zappa already had occupied the open d-file keeping all under control. So R. gave up the e7 pawn in order to push the b pawn instead and giving that one also up weaving a mating net, but Zappa could give a perpetual. In fact in the last 20 moves both engines always “saw” a draw giving 0.00.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.03"]
[Round "7"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "D58"]
[Result "1/2-1/2"]

1. d4 {0s} Nf6 {0s} 2. c4 {0s} e6 {0s} 3. Nc3 {0s} d5 {0s}
4. Bg5 {0s} Be7 {0s} 5. Nf3 {0s} h6 {0s} 6. Bh4 {0s} O-O
{0s} 7. e3 {0s} b6 {0s} 8. Be2 {0s} Bb7 {0s} 9. Bxf6 {0s}
Bxf6 {0s} 10. cxd5 {0s} exd5 {0s} 11. b4 {0s} c6 {0s}
12. O-O {0s} a5 {0s } 13. b5 {0s} c5 {0s} 14. Ne5 {0s} cxd4
{0s} 15. exd4 {0s} Bxe5 {0s} 16. dxe5 {0s} Nd7 {0s} 17. f4
{0s} Nc5 {0s} 18. Na4 {0s} d4 {0s} 19. Nxc5 {0s} bxc5 {0s}
20. Bc4 {0s} Be4 {Both last book move 0s} 21. Qe2 {+0.40/21
7:40m} Bf5 {-0.35/20 8:10m} 22. Rac1 {(g4) +0.40/21 5:43m}
d3 {(Rc8) -0.29/20 5:03m} 23. Qe3 {+0.57/19 7:46m} Qb6
{-0.31/20 4:37m} 24. g4 {+0.39/20 18:23m} Bxg4 {-0.42/20
5:32m} 25. Bxd3 {(Qxd3) +0.39/21 4:22m} Rad8 {-0.36/19
7:04m} 26. Rf2 {+0.39/21 25:51m} Rd4 {-0.41/19 9:57m}
27. f5 {+0.39/20 17:13m} Rfd8 {-0.52/19 6:04m} 28. Rc3
{+0.32/20 9:41m} Bh5 {(a4) -0.49/18 6:17m} 29. h3 {+0.75/15
2:15m} Kh8 {(a4) -0.61/18 6:35m} 30. e6 {+0.96/16 1:57m} f6
{-0.60/19 5:36m} 31. Bc4 {+0.69/17 1:37m} Rd1+ {-0.60/19
12:32m} 32. Rf1 {+0.97/17 2:56m} R1d4 {(R8d2) -0.70/18
4:21m} 33. Rcc1 {(Rf2) +0.79/16 2:57m} Qc7 {(Kh7) -0.67/19
6:11m} 34. Rf2 {+0.91/18 1:57m} a4 {-0.60/18 6:19m} 35. a3
{(Rfc2) +0.78/17 1:23m} Be8 {-0.60/17 2:47m} 36. Rb2
{(Rfc2) +0.77/17 1:37m} R8d6 {(Rd1+) -0.60/17 6:23m} 37. e7
{(Bf1) +0.63/16 1:21m } Qb6 {(Rd7) -0.49/18 2:39m} 38. Qf3
{(Rbc2) +0.63/17 1:51m} Qb8 {-0.49/19 3:48m} 39. Rf2 {(Qe3)
+0.63/19 2:04m} Rd7 {-0.49/19 2:05m} 40. Qe3 {+0.63/18 57s}
Bh5 {(Qb7) -0.49/19 2:37m} 41. Rb2 {+0.63/18 3:04m} Be8
{-0.44/19 3:12m} 42. Rbc2 {(Re2) +0.24/19 14:06m} Qd6
{(Rh4) -0.44/19 3:58m} 43. Re2 {+0.24/19 2:49m} Qc7 {(Qb8)
-0.44/20 3:34m} 44. Rc3 {(Kg2) +0.14/19 8:12m} Qb7 {0.00/18
2:34m} 45. Kh2 {(Kf2) 0.00/20 5:32m} Qc7+ {(Qb8+) 0.00/19
3:06m} 46. Kg2 {0.00/20 3:34m} Qb7+ {0.00/19 0s} 47. Qf3
{0.00/20 4:25m} Qb8 {-0.01/19 5:22m} 48. Rc1 {(b6) 0.00/20
5:23m} Rd2 {0.00/18 3:06m} 49. Qg3 {(Qe4) 0.00/20 2:40m}
Rxe2+ {(Qb7+) +0.38/19 2:19m} 50. Bxe2 {0.00/21 1:59m} Qb7+
{0.00/20 4:19m} 51. Qf3 {0.00/22 2:03m} Qa7 {(Qc7) 0.00/20
3:27m} 52. Rb1 {0.00/19 3:02m} Rxe7 {0.00/20 6:14m} 53. b6
{0.00/21 3:03m} Qb8 {0.00/18 0s} 54. Bc4 {0.00/21 5:30m}
Qd6 {0.00/19 0s} 55. Kf1 {0.00/19 0s} Bf7 {(Bh5) +0.55/19
4:39m} 56. Bxf7 {0.00/20 1:08m} Rxf7 {0.00/19 5:07m}
57. Rd1 {0.00/21 2:08m} Qxb6 {0.00/19 2:25m} 58. Qa8+
{0.00/19 0s} Kh7 {0.00/19 0s} 59. Qe8 {0.00/19 0s} Qb3
{0.00/20 4:07m} 60. Rd8 {0.00/18 0s} Qf3+ {(Qxh3+) 0.00/20
4:08m} 61. Kg1 {0.00/23 3:18m} Qg3+ {0.00/21 4:08m} 62. Kf1
{0.00/23 1:31m} Qxh3+ {0.00/21 4:18m} 63. Ke1 {0.00/23
2:00m} Qg3+ {0.00/21 5:16m} 64. Kf1 {(Kd1) 0.00/24 2:22m}
Qh3+ {(Qf4+) 0.00/21 3:24m} 65. Ke1 {0.00/26 3:17m} Qg3+
{(Qxa3) 0.00/22 5:57m} 66. Kf1 {(Kd1) 0.00/26 1:05m } Qh3+
{Draw accepted 0.00/23 3:57m} 1/2-1/2

Next games will be with Slav. This games here and the next ones will be available for download late tonight or tomorrow.

Kind Regards
Heinz

By AndrewWalker (**)

Date 2008-09-04 12:56

One problem with the Compmaster 2.0 book, if you set it to optimised
settings it will only repond to e4 with c5! Also it looks like 2. Nf3 after this
is set to 100%. A bit more variety is far more interesting!

Andrew

By Heinz van Kempen (***)

Date 2008-09-04 20:25

Hi Andrew :-),

thanks for the info.

So I will not be able to use this Compmaster 2.0 book version fpr future matches, too much risk to get duplicates and too much monotony only with Sicilians as Black. Maybe this will be changed in an oncoming version of the book?

Best Regards
Heinz

By Linus

Date 2008-09-03 07:36

I think it is not fair to use the Rybka3 book and call it "own book". Rybka3.ctg ist a commercial book which is not part of the Rybka package, you have to buy it extra. Comparing it with a free book is not fair. You should use the book that came with Rybka 3.

By Uri Blass (*****)

Date 2008-09-03 12:01 Edited 2008-09-03 12:05

The results so far suggest that Perfect 13 by Sedat Canbaz may be better book than Rybka3.ctg because Zappa does better than the match with generic books.

It is possible that Rybka3 with Perfect13.ctg can do better against Zappa.
I can add that I dislike complaining about the match.

Heinz is free to decide about the conditions of the match and somebody may dislike everything that he does
The fact that rybka3.ctg does not come together with rybka is not important and people are allowed to test package A against package B and it is not fair if people tell them that it is unfair.

Uri

By BenVanVlierden (***)

Date 2008-09-03 14:22

Not fair to whom?

The object of this match is just to have some fun with these machines battling it out with own books, or something that comes as close as possible. But it's up to Heinz to do here as he sees fit; if he decided to run the match with Zappa using the Rybka 3 book and Perfect14 for Rybka, because he thought that would be more fun, it's completely up to him.

I fail to see where the concept of "fairness" comes in.

By Linus

Date 2008-09-04 03:25

What I mean is, that if you try so hard to set up an objective test between engines like Heinz does, you should not compare apples with pears.

By BenVanVlierden (***)

Date 2008-09-04 09:29

When using different books you're always comparing apples with pears. And if you use a generic book, some will say you're also comparing apples with pears, because these books don't account for the specific weaknesses and strengths of the engines.

You seem to miss the point completely, it doesn't matter at all which apples you're comparing with which pears, the only thing that matters is, if it's fun to do so.

By Bouddha (****)

Date 2008-09-03 15:05

Again thanks for all these very interesing games, comments and time you spend.
I do update my own database with your games.

I dont know why the book is named Rybka 3 book and not Jeroen.ctg.

I do personnaly not consider this book as a Rybka book as its not provided with Rybka 3.

Its nevertheless an excellent book which I use as a referense to change, tune & update my own book.

regards

By Heinz van Kempen (***)

Date 2008-09-03 22:34 Edited 2008-09-03 22:58

Hi all :-),

others already answered regarding this own book question. Just to add that Jeroen is an official member of the Rybka team, that Vas would certainly tell that he considers it the Rybka book and that it is sold as such, if separately is something new, but does not change things. It is written for Rybka (avoiding lines she does not handle well, including those she is performing well with and adding moves found by the engine itself in known theoretical positions, including novelties) and it is not written for another engine although it might be that those will also play well with it.

A small update (website update tomorrow)

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 4,5:3,5

Game 8

Semi Slav Defence

Surprisingly the Rybka3.ctg had „only“ 17 moves in this line and Perfect 13 had 23 book moves. Nonetheless Rybka with Black got some advantage after the opening moves and this increased. Rybka pushed forward the queenside pawns and won the exchange soon and later even more material. In the endgame she was a rook up. At this time I posted yesterday telling that she would win. But … females are not always reliable and this seems to include fishes :-). See for yourself how this could end in a draw.

With the White king on a1 Black can never take the last pawn, because Zappa then has a stalemate defence, just placing it´s rook adjacent to the enemy king giving checks. But there is of course a win possible. Black must drive the White king to c2 first. I give one example in the annotations. Ok, six men I do no have installed, but Zappa accesses the 5 men fine and always calculates a mate, even when it would last 35 moves.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.03"]
[Round "8"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "D45"]
[Result "1/2-1/2"]

1. d4 {0s} d5 {0s} 2. c4 {0s} c6 {0s} 3. Nf3 {0s} Nf6 {0s}
4. e3 {0s} e6 {0s} 5. Nc3 {0s} Nbd7 {0s} 6. Qc2 {0s} Bd6
{0s} 7. g4 {0s} dxc4 {0s} 8. Bxc4 {0s} e5 {0s} 9. Bd2 {0s}
exd4 {0s} 10. Nxd4 {0s} Ne5 {0s} 11. Be2 {0s} Nexg4 {0s}
12. h3 {0s} Ne5 {0s} 13. f4 {0s} Ng6 {0s} 14. O-O-O {0s}
O-O {0s} 15. f5 {0s} Nh4 {0s} 16. e4 {0s} Be5 {0s} 17. Nb3
{0s} Qc7 {Black last book move 0s} 18. Rhg1 {0s} b5
{+0.29/18 12:36m} 19. Rdf1 {0s} Bh2 {+0.29/18 3:46m}
20. Rh1 {0s} b4 {+0.35/18 4:48m} 21. Nd1 {0s} Re8 {+0.22/18
15:38m} 22. Bg5 {0s} Nxe4 {+0.87/17 3:40m} 23. Bxh4 {White
last book move 0s} Bf4+ {+0.89/18 3:26m} 24. Kb1 {+0.01/19
8:31m} a5 {(Sd2+) +0.82/19 9:17m} 25. Bd3 {-0.33/18 9:20m}
a4 {+0.96/19 2:39m} 26. Nd4 {-0.33/17 0s} b3 {(Sd2+)
+0.96/19 4:36m} 27. Qxc6 {+0.69/7 0s} Nd2+ {(Dxc6) +1.10/19
4:10m} 28. Ka1 {-0.79/20 20:17m} Bb7 {+1.10/18 0s} 29. Qxc7
{-0.79/20 0s} Bxc7 {+1.10/18 0s} 30. Nb5 {-0.73/20 8:22m}
Be5 {(Ld8) +1.10/18 0s} 31. a3 {-0.43/20 7:38m} Nxf1
{+1.62/21 13:14m} 32. Rxf1 {-0.43/19 0s} Ba6 {+1.62/20 0s}
33. Rf3 {-1.19/21 17:43m} f6 {+1.62/19 0s} 34. Nbc3
{-1.19/21 0s} Bxd3 {+1.62/19 0s} 35. Rxd3 {-1.19/20 0s}
Bxc3 {+1.62/19 0s} 36. Nxc3 {-1.63/21 9:35m} Ra5 {+1.76/21
3:53m} 37. Kb1 {-1.92/21 12:51m} Rxf5 {+1.76/20 0s} 38. Kc1
{-1.92/21 8:34m} Rf1+ {(g5) +1.78/22 16:35m} 39. Kd2
{-2.05/21 5:43m} g5 {+1.78/23 12:59m} 40. Bg3 {-1.98/17 0s}
f5 {+1.78/21 0s} 41. Nxa4 {-1.98/19 4:25m} f4 {+1.94/23
2:27m} 42. Rxb3 {-2.12/19 5:12m} fxg3 {(h6) +1.94/23 8:05m}
43. Rxg3 {-1.98/18 0s} Rf2+ {+1.97/23 8:00m} 44. Kc3
{-2.48/19 8:16m} Rc8+ {+2.03/23 4:15m} 45. Kb3 {(Kd3)
-2.57/20 7:52m} h6 {+2.10/21 2:29m} 46. Ka2 {(Td3) -2.58/20
3:30m} Rcf8 {(Kf7) +2.48/20 1:46m} 47. h4 {(Tg1) -2.49/19
4:57m} R8f4 {(T8f3) +3.23/22 6:50m} 48. hxg5 {-2.47/21
3:15m } Rxa4 {+3.23/20 0s} 49. gxh6+ {-2.60/22 5:48m} Kh7
{+3.23/20 0s} 50. Rh3 {-2.60/22 3:06m} Ra5 {+3.42/25 1:39m}
51. Rb3 {-2.69/22 2:56m} Kxh6 {+4.11/27 16:11m} 52. Rb8
{-2.72/21 3:07m} Kg7 {+4.51/26 20:14m} 53. Rb7+ {(Kb3)
-2.80/21 2:46m} Kf6 {+4.71/26 4:54m} 54. Rb6+ {(Tb4)
-2.83/21 2:37m} Ke7 {+4.85/23 2:24m } 55. Rb4 {-2.90/21
2:29m} Kd6 {+4.91/25 1:32m} 56. a4 {(Kb3) -3.51/22 3:49m}
Ra6 {+5.06/26 2:23m} 57. Ka3 {-3.57/22 3:00m} Rf3+
{+5.06/25 2:37m} 58. Ka2 {-3.70/23 4:54m} Kc5 {+5.12/25
6:00m} 59. Rg4 {(Tb5+) -3.82/23 2:54m} Rb6 {+5.12/26
12:05m} 60. Rg5+ {(Tg2) -4.31/23 7:44m} Kb4 {+5.12/23 51s}
61. Rg4+ {(a5) -4.31/24 5:59m} Ka5 {+5.12/20 47s} 62. Rg5+
{-M35/24 2:44m} Kxa4 {+5.12/19 38s} 63. Rg4+ {-M34/24
2:29m} Kb5 {+5.12/19 7:32m} 64. Kb1 {(Tg8) -M33/25 4:49m}
Rf2 {(Kc5) +5.38/15 48s} 65. Ka1 {(Tg3) -M33/23 1:46m} Kc5
{(Ta6+) +5.41/14 40s} (65... Ra6+ 66. Kb1 Kc5 67. Re4 Rf1+
68. Kc2 Rb6 69. Re2 Kd4 70. Rd2+ Ke4 71. Rh2 Kf3 72. Rh3+
Kg2 73. Rh8 Rf2+ 74. Kc3 Rfxb2 75. Rg8+ Kf1 76. Rf8+ Rf2
77. Rd8 Rg6 78. Rd1+ Ke2 79. Rd2+ Ke1 80. Rd5 Rf4 81. Re5+
Kf1 82. Re3 Kf2 83. Re8 Rg3+ 84. Kd2 Kg2 85. Kc2 Rf2+
86. Kc1 Kf1 87. Kd1 Rg1 88. Re1+ Kg2 89. Rxg1+ Kxg1)
66. Rh4 {(Tg5+) -M31/24 3:44m} Rb3 {(Ta6+) +5.51/14 1:11m}
67. Rg4 {(Th5+) -M24/24 3:05m} Rc2 {(Tb4) +5.45/12 47s}
68. Rg5+ {-M31/24 3:04m} Kd4 {+5.55/13 46s} 69. Rg4+
{-M30/25 2:18m} Ke5 {+5.50/14 1:11m} 70. Rh4 {(Tg1) -M29/25
2:44m} Kf5 {(Tf2) +5.45/13 1:18m} 71. Rh8 {(Th5+) -M31/22
2:17m} Rd2 {+5.62/13 53s} 72. Rh4 {(Tf8+) -M29/23 1:34m}
Rg2 {(Ke5) +5.40/13 59s} 73. Rd4 {(Th8) -M30/23 3:16m} Rf2
{(Ke5) +5.12/13 46s} 74. Ra4 {(Td5+) -M29/22 1:41m} Rb7
{(Tb8) +5.12/15 47s} 75. Rh4 {(Ta5+) -M28/22 1:57m} Kf6
{(Tf4) +5.12/15 44s} 76. Rh5 {(b4) -M31/19 43s} Re2 {(Ta7+)
+6.06/15 1:47m} 77. Rd5 {(Th4) -M32/19 37s} Rc2 {(Ta7+)
+5.67/14 1:05m} 78. Rh5 {(Ka2) -M33/20 37s} Rb8 {(Tf2)
+5.51/13 42s} 79. Ra5 {(b4) -M33/20 1:01m} Rd2 {(Tf2)
+5.81/13 15s} 80. Rc5 {(Ta6+) -M33/20 48s} Ke6 {(Tf2)
+5.81/14 19s} 81. Rh5 {(Tc6+) -M32/22 3:34m} Rb4 {(Tf2)
+5.12/20 3:49m} 82. Rg5 {(Th6+) -M33/23 3:52m} Kd6 {(Tb8)
+5.12/22 4:13m} 83. Rf5 {(Tg1) -M34/23 6:36m} Rb8 {(Te2)
+5.12/22 3:56m} 84. Rg5 {(Tf4) -M33/23 6:37m} Re2 {(Tf2)
+5.12/22 3:16m} 85. Ra5 {(Tg3) -M33/22 4:44m} Rg2 {(Ke6)
+5.12/22 9:05m} 86. Rh5 {(Ta6+) -M32/23 3:58m} Rf2 {(Ta8+)
+5.12/22 3:48m} 87. Ra5 {(Th6+) -M32/24 4:59m} Rf1+ {(Ke6)
+5.12/23 3:03m} 88. Ka2 {-M34/13 0s } Rff8 {(Tb7) +5.12/24
2:45m} 89. Kb1 {-M33/23 2:52m} Rfe8 {(Tf2) +5.12/23 3:21m}
90. Rh5 {(Ta4) -M32/22 4:59m} Re2 {+5.12/22 7:40m} 91. Ka1
{(Th6+) -M31/23 2:39m} Rb3 {(Ta8+) +5.12/23 3:56m} 92. Rg5
{(Th6+) -M34/24 5:18m} Rc2 {(Tb8) +5.12/24 2:32m} 93. Rf5
{(Tg6+) -M35/23 6:19m} Rd2 {(Tb8) +5.12/24 3:12m} 94. Rg5
{(Tf6+) -M34/23 10:04m} Rb8 {(Tf2) +5.12/23 16:01m} 95. Rf5
{(Tg6+) -M34/21 2:34m} Kc6 {(Ke6) +5.12/22 2:48m} 96. Rh5
{(Tf6+) -M34/22 4:32m} Rf2 {+5.12/22 1:24m} 97. Rg5
{-M33/21 2:10m} Kd7 {(Kd6) +5.12/22 2:45m} 98. Rg6 {(Tg7+)
-4.29/17 5:02m} Re2 {(Td2) +5.12/22 1:49m} 99. Ra6 {(Tg7+)
-4.29/17 3:17m} Rc2 {(Td2) +5.12/23 2:00m} 100. Rg6 {(Ta7+)
-4.29/18 4:26m} Rf2 {(Td2) +5.12/23 1:24m} 101. Rh6 {(Tg7+)
-4.22/15 2:13m} Ke7 {+5.12/23 2:22m} 102. Rg6 {(Th4)
-4.22/15 3:15m} Rd2 {+5.12/22 2:02m} 103. Rh6 {(Tg1)
-4.20/15 1:49m} Re2 {(Tg2) +5.12/24 2:11m} 104. Ra6 {(Th1)
-4.17/15 2:44m} Rh2 {(Kd7) +5.09/22 3:20m } 105. Rg6
{(Ta7+) -4.16/16 2:37m} Rb5 {(Kd7) +5.09/23 1:29m} 106. Rg8
{(Tg3) -4.13/16 1:28m} Ke6 {(Kf7) +5.09/24 1:39m }
107. Re8+ {(Tg6+) 0.00/17 57s} Kd5 {(Kf7) +5.09/19 1:25m}
108. Rd8+ {(Tg8) 0.00/23 1:32m} Kc4 {(Ke4) +5.09/27 1:20m}
109. Rc8+ {0.00/24 58s} Kb4 {(Tc5) 0.00/29 1:19m} 110. Rc1
{0.00/20 0s} Rbh5 {(Ka5) 0.00/35 1:43m} 111. Ka2 {0.00/29
1:25m} Re5 {0.00/39 1:19m} 112. Rc7 {0.00/39 58s} Ree2
{Draw accepted 0.00/59 0s} 1/2-1/2

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU – 3,5:4,5

Game 8

Semi-Slav

Zappa out of book on move 20 and few pieces were left on the board. Later in an endgame with bishops of the same color Rybka was a pawn up what often is not sufficient in this type of endgame when a bishop can be sacrificed for one or two pawns to get a drawish position.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.03"]
[Round "8"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "D47"]
[Result "1/2-1/2"]

1. d4 {0s} Nf6 {0s} 2. Nf3 {0s} d5 {0s} 3. c4 {0s} c6 {0s}
4. e3 {0s} e6 {0s} 5. Nc3 {0s} Nbd7 {0s} 6. Bd3 {0s} dxc4
{0s} 7. Bxc4 {0s} b5 {0s} 8. Bd3 {0s} Bb7 {0s } 9. e4 {0s}
b4 {0s} 10. Na4 {0s} c5 {0s} 11. e5 {0s} Nd5 {0s} 12. dxc5
{0s} Nxc5 {0s} 13. Nxc5 {0s} Bxc5 {0s} 14. O-O {0s} h6 {0s}
15. Nd2 {0s} Qc7 {0s} 16. Ne4 {0s} Be7 {0s} 17. Bb5+ {0s}
Kf8 {0s} 18. Qd4 {0s} a6 {0s} 19. Bc4 {White last book move
0s} Qc6 {0s} 20. f3 {+0.15/18 3:53m} Rd8 {Black last book
move 0s} 21. Bxd5 {+0.16/19 4:21m} Qxd5 {+0.04/22 17:39m}
22. Qb6 {+0.21/19 4:28m} Ba8 {+0.07/21 8:52m} 23. Bf4
{+0.11/19 5:34m} g5 {+0.04/21 3:06m} 24. Bg3 {+0.16/20
6:12m} Qd4+ {+0.06/20 2:20m} 25. Qxd4 {+0.11/21 5:34m} Rxd4
{+0.06/19 0s} 26. Nd6 {(Bf2) 0.00/21 4:20m} Kg7 {+0.08/21
5:44m} 27. Rac1 {(Rfd1) 0.00/20 6:01m} Kg6 {+0.14/21 4:25m}
28. Rc7 {0.00/20 4:27m} Bd8 {(Bxd6) +0.19/20 3:33m} 29. Rc2
{+0.06/20 4:37m} Rd3 {(Rd5) +0.19/21 8:37m} 30. Rfc1 {(b3)
+0.05/19 4:19m} Bd5 {(h5) +0.23/22 10:15m} 31. b3 {-0.11/20
4:20m} a5 {+0.22/22 7:06m} 32. Kf1 {-0.16/20 5:58m} a4
{+0.24/22 4:07m} 33. Ke2 {-0.12/21 6:16m} axb3 {+0.24/22
3:02m} 34. Kxd3 {-0.12/20 0s} bxc2 {+0.23/23 5:22m}
35. Rxc2 {-0.17/21 5:28m} Ba5 {+0.23/23 3:31m} 36. Nc8
{(Bf2) -0.18/21 4:52m} Bb7 {(b3) +0.56/22 4:35m} 37. Ne7+
{-0.16/20 4:52m} Kg7 {+0.52/24 4:18m} 38. Nc6 {-0.16/20 0s}
Ba6+ {+0.48/23 4:37m} 39. Kd4 {-0.60/22 11:29m} Rc8
{+0.48/23 3:34m} 40. Kc5 {-0.15/21 6:17m} Kf8 {+0.45/24
8:30m} 41. Rc1 {(Rb2) -0.69/21 5:27m} Ke8 {+0.45/21 2:42m}
42. Bf2 {(Rd1) -0.77/20 4:49m} Be2 {+0.97/22 3:20m} 43. Re1
{-0.77/19 0s} Bd3 {+0.97/23 2:53m} 44. Ra1 {-0.81/20 3:23m}
Kd7 {(g4) +0.96/24 6:42m} 45. Kd4 {-0.67/8 0s} Rxc6
{+0.96/23 0s} 46. Kxd3 {-0.67/20 4:09m} Rc3+ {+0.96/23 0s}
47. Kd2 {-0.67/20 0s} Ra3 {+0.96/24 1:49m} 48. Kc2 {(Ke2)
-0.69/20 3:05m} b3+ {+1.09/25 1:50m} 49. Kb2 {-0.69/19 0s}
Rxa2+ {+1.09/24 0s} 50. Rxa2 {-0.69/19 0s} bxa2 {+1.09/24
0s} 51. Kxa2 {-0.70/25 4:35m} Kc6 {+1.09/28 1:57m} 52. Kb3
{-0.69/25 3:23m} Kd5 {+1.11/28 2:45m} 53. Be3 {-0.70/25
4:15m} Bc7 {(Bd8) +1.12/29 1:55m} 54. h4 {(h3) -0.73/25
4:00m} Bd8 {+1.22/29 2:05m } 55. Kc2 {(h5) -0.78/25 3:56m}
Kxe5 {+1.22/30 3:50m} 56. Kd3 {(h5) -0.83/24 3:21m} h5
{+1.22/28 3:30m} 57. hxg5 {-0.83/26 3:53m} Kf5 {+1.22/30
2:24m} 58. Bc5 {(g6) -0.83/27 3:17m} Bxg5 {+1.27/31 3:20m}
59. Ke2 {(Bb6) -0.83/28 3:59m} e5 {+1.27/33 3:13m} 60. Bb6
{(Bb4) -0.83/28 3:22m} Be7 {(Ke6) +1.27/32 3:53m} 61. Ke3
{(Be3) -0.83/27 3:14m} Bf6 {(Bg5+) +1.27/34 4:20m } 62. Bc5
{(Kf2) -0.83/28 3:54m} Bg5+ {(Bd8) +1.27/34 2:39m} 63. Kd3
{-0.83/28 5:12m} Ke6 {+1.27/34 3:09m} 64. Ke2 {(Kc4)
-0.83/28 3:36m} f5 {+1.27/34 2:26m} 65. Kd3 {(Ba7) -0.83/28
4:16m} Kd5 {(Be7) +1.27/35 4:00m} 66. Bb6 {(Bb4) -0.83/27
3:49m} Be7 {(e4+) +1.27/34 2:05m} 67. Be3 {(Bc7) -0.83/27
3:14m} Bc5 {(Bd8) +1.27/35 1:56m} 68. Bd2 {(Bg5) -0.83/28
4:47m} Bd4 {(e4+) +1.27/34 3:15m} 69. Ke2 {-0.83/28 3:19m}
e4 {+1.27/36 2:31m} 70. Bf4 {-0.83/28 6:03m} Ke6 {+1.27/36
2:45m} 71. Bg5 {(fxe4) -0.83/27 3:49m} Bc5 {(Kf7) +1.27/34
3:12m} 72. Bf4 {(fxe4) -0.83/26 3:23m} Kd5 {+1.27/36 4:41m}
73. Bd2 {(fxe4+) -0.83/28 2:46m} Bd6 {(Ke6) +1.27/34 3:36m}
74. Bc3 {(fxe4+) -0.83/26 2:38m} Be5 {(Bf4) +1.27/34 3:42m}
75. Ba5 {(fxe4+) -0.83/26 3:15m} Bg3 {(Kd4) +1.27/33 3:19m}
76. Bd8 {(fxe4+) -0.83/27 2:55m} Bf4 {(Be5) +1.27/33 2:19m}
77. Ba5 {(fxe4+) -0.83/26 2:29m} Be5 {(Kd4) +1.27/32 5:06m}
78. Bb6 {(fxe4+) -0.83/27 3:44m} Ke6 {(Bd4) +1.27/30
11:48m} 79. Ke3 {-0.83/26 3:05m} Bh2 {(Kd5) +1.27/32 3:48m}
80. fxe4 {(Kf2) 0.00/25 1:32m} Bg1+ {0.00/27 5:25m} 81. Kf4
{(Kf3) 0.00/27 2:23m} Bxb6 {+1.27/30 0s} 82. exf5+ {0.00/27
2:57m} Kd5 {(Kf6) 0.00/30 4:48m} 83. Kg5 {(f6) 0.00/29
3:02m} Ke5 {(Be3+) 0.00/36 8:27m} 84. g3 {(Kxh5) 0.00/32
2:17m} Ba5 {(Be3+) +0.25/38 4:58m} 85. Kxh5 {0.00/38 2:11m}
Kxf5 {(Bd8) 0.00/1 1s} 86. g4+ {0.00/1 0s} Kf6 {0.00/1 0s}
87. Kh6 {0.00/1 0s} Ke5 {0.00/1 0s} 88. g5 {0.00/1 0s} Kd6
{0.00/1 0s} 89. g6 {0.00/1 0s} Bc3 {0.00/1 0s} 90. g7
{0.00/1 0s} Bxg7+ {Draw accepted 0.00/1 0s} 1/2-1/2

Very close so far, but this does not mean anything with so few games. With generic books Zappa could hold the balance more or less in the first 16 games (9,0:7,0). For me this close results are an indication that in official tournaments or matches with 8, 10 or 12 games still a lot can happen randomly.

Kind Regards
Heinz

By Linus

Date 2008-09-04 03:22

> ...others already answered regarding this own book question. Just to add that Jeroen is
> an official member of the Rybka team, that Vas would certainly tell that he considers it
> the Rybka book and that it is sold as such, if separately is something new, but does not
> change things. It is written for Rybka (avoiding lines she does not handle well, including
> those she is performing well with and adding moves found by the engine itself in known
> theoretical positions, including novelties) and it is not written for another engine although
> it might be that those will also play well with it.

I bought Rybka 3 from Convekta as part of the Aquarium package. It came with two opening books - Narrow Book and Wide Book. Jeroen's book Rybka3.ctg was not part of the package and is also not part of the package if you chose to buy Rybka from Chessbase. You have to buy the Rybka3.ctg for an extra EUR 29,99 from Chessbase. Therefore I do not consider Rybka3.ctg to be Rybka' s "own book".

The fact that Jeroen is a member of the Rybka team or that he may have developed that book specifically for Rybka does not change a thing. What would you do if Sedat developed a boook specifically for Zappa, called it ZappaII.ctg and sold it for EUR 30 somewhere? Yould you buy that book and use it as Zappa's "own book" for testing?

By Linus

Date 2008-09-04 05:37

> You have to buy the Rybka3.ctg for an extra EUR 29,99 from Chessbase.

Correction. The sales price at Chessbase is EUR 24,99.

By Heinz van Kempen (***)

Date 2008-09-04 10:45

Hi Linus and all :-),

Sedat is not a member of the Zappa team. The main point is that Jeroen´s book or a further developed one would be used in official tournaments for sure. But I am already seeing that you are angry because of having to pay when you want the book and you are one of those who do not listen to other people´s arguments.

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 5,5:3,5

Game 9

Sicilian Sveshnikov (9.Nd5)

Both engines got 30 lines from the book, a variation where White sacrifices a pawn for more active pieces and all black pawns were isolated ones soon. A long positional struggle and finally another fine pawn sacrifice on move 65 opening the b1-h7 diagonal and creating a pair of passed pawns on the queenside, increasing the advantage by advancing them. Zappa had to give a rook for the promoting c-pawn and was left with a lost endgame K+Q+2P vs. K+Q+B+P. Good game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.03"]
[Round "9"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B33"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. d4 {0s} cxd4
{0s} 4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} e5 {0s } 6. Ndb5
{0s} d6 {0s} 7. Bg5 {0s} a6 {0s} 8. Na3 {0s} b5 {0s} 9. Nd5
{0s} Be7 {0s} 10. Bxf6 {0s} Bxf6 {0s} 11. c3 {0s} O-O {0s}
12. Nc2 {0s} Bg5 {0s} 13. a4 {0s} bxa4 {0s} 14. Rxa4 {0s}
a5 {0s} 15. Bc4 {0s} Rb8 {0s} 16. b3 {0s} Kh8 {0s} 17. Nce3
{0s} g6 {0s} 18. h4 {0s} Bxh4 {0s} 19. g3 {0s} Bg5 {0s}
20. f4 {0s} exf4 {0s} 21. gxf4 {0s} Bh4+ {0s} 22. Kd2 {0s}
Ne7 {0s} 23. Qg1 {0s} Nxd5 {0s} 24. Nxd5 {0s} Be6 {0s}
25. Qh2 {0s} g5 {0s} 26. Kc2 {0s} f6 {0s} 27. Rha1 {0s}
Bxd5 {0s} 28. Bxd5 {0s} Rb5 {0s} 29. Qh3 {0s} Rc5 {0s}
30. Rh1 {0s} Qe7 {Both last book move 0s} 31. Qd3 {+0.22/20
22:03m} Bf2 {+0.05/19 9:32m} 32. Rf1 {+0.24/20 5:14m} Be3
{(Lh4) 0.00/20 8:03m} 33. fxg5 {+0.24/21 9:23m} Bxg5
{0.00/19 0s} 34. Rf5 {+0.24/21 5:42m} Rb8 {(Tfc8) 0.00/20
8:26m} 35. Ra1 {+0.24/21 21:11m} Qg7 {0.00/20 8:33m}
36. Qg3 {(Df3) +0.24/20 4:12m} Qd7 {(Lh6) -0.10/19 21:26m}
37. c4 {+0.34/20 9:54m} Qe7 {-0.14/20 8:30m} 38. Qc3
{(Taf1) +0.34/21 11:27m} Qg7 {-0.07/19 7:39m} 39. Rg1
{+0.34/21 9:15m} Rc7 {-0.08/20 11:16m} 40. Kb2 {(Tff1)
+0.34/22 19:24m} Re7 {(Ta7) -0.03/17 12:11m} 41. Ka2
{+0.34/19 1:53m} h6 {0.00/19 4:11m} 42. Kb2 {(Tf3) +0.34/19
4:06m} Kh7 {0.00/18 3:06m} 43. Ka3 {(Ka2) +0.34/18 2:50m}
Rc7 {(Tc8) 0.00/18 2:43m} 44. Qc2 {(Ka2) +0.34/18 8:56m}
Kh8 {-0.10/19 5:23m} 45. Qh2 {+0.34/18 1:32m} Rd8 {(Tb6)
-0.04/18 2:52m} 46. Ka2 {(Tf3) +0.34/19 4:58m} Re7 {0.00/20
3:50m} 47. Rgf1 {(Tf4) +0.34/19 3:22m} Rc7 {(Kh7) -0.03/18
2:46m} 48. Qb2 {+0.38/19 4:13m} Kh7 {-0.05/18 3:16m}
49. Qc2 {+0.38/19 2:57m} Kh8 {-0.12/19 2:59m} 50. Qc3
{+0.39/19 1:25m} Kh7 {(Tf8) -0.12/19 2:37m} 51. Qd3
{+0.48/18 2:10m} Kh8 {-0.13/18 2:36m} 52. Qd4 {+0.41/19
2:33m} Kh7 {(Tf8) -0.21/18 3:17m} 53. Be6 {+0.39/18 4:24m}
Re7 {-0.19/18 2:38m} 54. Qb6 {+0.39/19 3:08m} Qf8 {-0.15/18
4:12m} 55. Bd5 {+0.39/17 0s} Qe8 {-0.13/18 3:10m} 56. R5f3
{(T5f2) +0.40/18 4:13m} Rg7 {-0.13/18 2:46m} 57. Kb1
{+0.35/17 2:55m} Qd7 {(Tdd7) -0.22/18 3:17m} 58. Qxa5
{+0.37/19 2:54m} Rb8 {-0.17/19 3:58m} 59. Qa2 {(Da3)
+0.36/19 2:05m} Qa7 {-0.21/19 3:23m} 60. Qc2 {+0.35/20
3:42m} Kh8 {-0.28/19 3:14m} 61. Qb2 {(Th1) +0.44/21 13:56m}
Qa5 {(Dc5) -0.17/20 3:51m} 62. Rh1 {+0.54/18 1:29m} Kh7
{-0.21/20 4:00m} 63. e5 {(Da2) +0.53/19 2:40m} dxe5
{-0.16/18 2:46m} 64. Qc2+ {+0.50/19 1:22m} Kh8 {-0.46/20
5:32m} 65. Rxf6 {+0.50/20 4:38m} Qa7 {-0.67/19 9:24m}
66. Rf3 {(Tf5) +0.50/19 2:28m} Qa6 {-0.31/19 3:27m}
67. Rhf1 {(Dc3) +0.49/19 3:24m} Bf4 {-0.31/20 4:08m}
68. Qc3 {+0.49/18 3:26m} Qd6 {-0.32/19 3:18m} 69. Rh3
{+0.50/18 2:16m} Qa6 {-0.44/18 7:46m} 70. Be4 {+0.49/19
1:38m} Qa3 {(Ta7) -0.44/19 3:50m} 71. c5 {(Kc2) +0.68/17
1:29m} Qa6 {(Tc8) -0.64/18 2:33m} 72. Rfh1 {+0.76/17 1:41m
} Qe6 {(Kg8) -0.94/18 9:11m} 73. c6 {+0.99/17 1:04m } Bg5
{(Td8) -1.05/17 3:30m} 74. Rd3 {(Td1) +1.25/17 2:20m} Re8
{-1.06/17 4:57m} 75. Rf1 {(Db4) +1.25/18 2:57m} Rc7
{-1.25/16 1:37m} 76. Rf5 {(Dc5) +1.65/18 4:39m} Kg7 {(Lf6)
-1.31/15 1:00m} 77. Rg3 {(Kb2) +2.61/16 1:51m} Rf7
{-2.64/16 2:26m} 78. Rgf3 {+2.61/14 0s} Rxf5 {-2.64/16 0s}
79. Bxf5 {+2.61/13 0s} Qd5 {-2.64/16 0s} 80. c7 {+2.66/18
4:07m} Qd1+ {-2.64/16 0s} 81. Kb2 {+2.85/17 0s} Bc1+
{-2.64/16 0s} 82. Qxc1 {+2.85/17 0s} Qxf3 {-3.06/18 4:56m}
83. Qg1+ {+2.85/16 0s} Kf8 {-3.06/17 0s} 84. Qc5+ {+3.82/20
9:39m} Kf7 {-3.06/18 2:47m} 85. c8=Q {(Ld7) +3.82/18 0s}
Rxc8 {-2.52/9 0s} 86. Bxc8 {(Dxc8) +3.82/18 0s} Qe2+ {(e4)
-3.01/17 4:44m} 87. Qc2 {(Ka3) +4.24/21 4:12m} Qe3 {(De1)
-3.29/18 6:33m} 88. b4 {+5.04/20 9:53m} Qd4+ {-3.79/18
5:56m} 89. Kb3 {+4.24/20 0s} Kg7 {(Ke8) -4.39/18 7:29m}
90. b5 {+5.11/16 3:01m} Qd6 {(h5) -5.09/18 5:12m} 91. Bf5
{+5.12/15 2:35m} Kf8 {(Db6) -9.83/18 4:44m} 92. Qf2 {(Dc8+)
+5.12/17 3:39m} 1-0

Rybka also won game 10 and I will wait for the finish of game 10 for Rybka 3 Human and then update the website in a few hours.

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU – 4,0:5,0

Game.9

Caro Kann (3.Nc3 de4 : 4.Ne4 : Bf5)

Black has other choices on move four like 4..Nf6 or the also popular 4..Nd7, but the one in this game with 4..Bf5 can be considered as the most frequent one. 22..b5 is one of five options included in Rybka´s book. Instead of 24..Be7 calculated by Zappa it has 24..Bb8.and two lines up to move 35.

After 28.a4 Rybka created a passed c-pawn and could also win the a-pawn and so had a pair of passed pawns, but Zappa also pushed his own passed e-pawn with equal chances.
Rybka sacrificed a rook to promote to a queen on c8, later sacrificed this queen against a rook just to get the b pawn promoted, but then Zappa also could promote. A draw finally, the game was interesting anyhow.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.03"]
[Round "9"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B19"]
[Result "1/2-1/2"]

1. e4 {2s} c6 {1s} 2. d4 {1s} d5 {0s} 3. Nc3 {0s} dxe4 {0s}
4. Nxe4 {0s} Bf5 {0s} 5. Ng3 {0s} Bg6 {0s} 6. h4 {0s} h6
{0s} 7. Nf3 {0s} Nd7 {0s} 8. h5 {0s} Bh7 {0s } 9. Bd3 {0s}
Bxd3 {0s} 10. Qxd3 {0s} e6 {0s} 11. Bf4 {0s} Ngf6 {0s}
12. O-O-O {0s} Be7 {0s} 13. Kb1 {0s} O-O {0s} 14. Ne4 {0s}
Nxe4 {0s} 15. Qxe4 {0s} Nf6 {0s} 16. Qe2 {0s} Qd5 {0s}
17. Ne5 {0s} Qe4 {0s} 18. Qxe4 {0s} Nxe4 {0s} 19. Rhe1 {0s}
Nf6 {0s} 20. g4 {0s} Bd6 {0s} 21. Bg3 {0s} Rfd8 {0s} 22. f3
{0s} b5 {Black last book move 0s} 23. Bh4 {0s} Rac8
{-0.40/20 6:19m} 24. c3 {White last book move 0s} Be7
{-0.32/20 7:42m} 25. Kc2 {+0.35/20 8:35m} Kf8 {(Rd5)
-0.33/20 5:21m} 26. f4 {(b4) +0.38/19 17:52m} c5 {(Rd5)
-0.23/21 7:53m} 27. dxc5 {+0.37/21 5:22m} Bxc5 {-0.15/20
5:14m} 28. Rxd8+ {+0.36/21 3:16m} Rxd8 {-0.15/19 0s} 29. a4
{(Ra1) +0.34/22 6:01m} bxa4 {-0.23/21 6:37m} 30. Ra1 {(Nd3)
+0.35/23 3:54m } a3 {(Be3) -0.28/21 7:51m} 31. b4 {+0.48/24
9:41m} Be3 {-0.16/21 5:08m} 32. Bxf6 {+0.48/24 2:59m} gxf6
{-0.16/20 0s} 33. Nd3 {+0.48/23 0s} Rc8 {-0.47/21 7:55m}
34. Rxa3 {+0.48/24 4:18m} Ke8 {(Bb6) -0.36/21 10:47m}
35. Kb3 {+0.64/23 7:42m} Rd8 {-0.46/21 7:10m} 36. Nb2
{+0.71/23 12:34m} Rd7 {-0.62/21 9:24m} 37. f5 {+0.71/21 0s}
e5 {-0.73/21 8:01m} 38. Nc4 {(Na4) +0.72/24 18:32m} Bf4
{-0.71/22 6:29m} 39. Ra2 {(Ra6) +0.73/25 11:25m} Kd8
{-0.64/21 4:12m} 40. b5 {+0.73/24 4:45m} e4 {-0.63/21
4:24m} 41. Na5 {(Re2) +0.73/24 1:49m} e3 {-0.60/19 3:13m}
42. Nc6+ {+0.87/24 3:51m} Kc8 {-0.60/18 0s} 43. Ra4 {(Nd4)
+0.87/25 5:54m} Bg5 {-0.76/19 3:02m} 44. Nxa7+ {(Re4)
+0.87/24 2:13m} Kb7 {-0.80/21 6:28m} 45. Nc6 {+0.87/22 0s}
Kb6 {-0.80/21 0s} 46. Nd4 {+0.87/24 2:37m} Re7 {(Kc5)
-1.02/21 5:13m} 47. Ra6+ {(Ra1) +0.88/21 4:26m} Kc5
{-0.37/21 8:07m} 48. Rc6+ {+0.55/22 6:27m} Kd5 {-0.37/21
0s} 49. Ne2 {+0.51/23 5:04m} Rb7 {(Ke4) -0.37/21 5:17m}
50. c4+ {(Ra6) +0.95/21 4:19m} Ke4 {-0.38/10 0s} 51. Rd6
{(Nc3+) +0.96/21 2:02m} Kf3 {-0.38/9 0s} 52. Nd4+ {+0.11/23
25:17m} Kf2 {0.00/20 2:28m} 53. Kb4 {(Rd5) +0.09/23 12:45m}
Bf4 {0.00/20 8:36m} 54. Rd5 {(c5) +0.06/23 14:53m} Be5
{0.00/20 3:57m} 55. c5 {+0.06/23 9:04m} Ra7 {0.00/20 0s}
56. g5 {(b6) +0.06/23 7:12m} Ra1 {0.00/19 2:39m} 57. Nb3
{(gxh6) +0.06/22 4:53m} Rb1 {(e2) 0.00/17 2:44m} 58. c6
{(gxh6) 0.00/15 20s} Bf4 {(hxg5) 0.00/18 10:14m } 59. Rc5
{0.00/17 23s} Bd6 {(Rb2) 0.00/18 0s} 60. Ka4 {0.00/16 23s}
Bxc5 {0.00/18 0s} 61. c7 {0.00/18 23s} e2 {0.00/18 6:38m}
62. c8=Q {0.00/19 43s} Bd6 {0.00/17 0s} 63. Qc2 {0.00/20
52s} fxg5 {0.00/18 0s} 64. b6 {0.00/20 24s} Rd1 {0.00/19
3:24m} 65. b7 {(f6) 0.00/20 19s} f6 {(Bb8) +0.43/19 8:03m}
66. Nc5 {0.00/17 18s} Rd4+ {(Be5) +0.45/19 2:37m} 67. Kb3
{-0.44/18 1:45m} Be5 {+0.45/19 0s} 68. Ne6 {-0.50/18 55s}
Rd1 {+0.45/19 7:02m} 69. Nc5 {-0.50/18 1:12m} g4 {+0.38/19
6:21m} 70. Ne4+ {-0.70/18 47s} Kf1 {(Ke3) +0.16/19 8:41m}
71. Qc4 {-0.02/16 6s} Rd4 {+0.17/19 2:23m} 72. Qxd4
{0.00/17 4s} Bxd4 {+0.16/19 3:09m} 73. b8=Q {-0.01/18 4s}
e1=Q {+0.16/19 0s} 74. Qf4+ {-0.01/17 0s} Ke2 {+0.16/20
4:28m} 75. Kc4 {-0.01/18 6s} Be5 {0.00/20 4:05m} 76. Qxg4+
{-0.01/16 0s} Ke3 {0.00/21 3:02m} 77. Nc5 {-0.01/15 0s} Qh1
{0.00/20 1:29m} 78. Kb5 {0.00/18 10s} Bd4 {0.00/19 1:54m}
79. Qg3+ {(Qg6) 0.00/18 11s} Qf3 {0.00/11 0s} 80. Qg1+
{0.00/19 21s} Qf2 {0.00/12 0s} 81. Qg6 {0.00/23 5:08m} Qe2+
{0.00/18 2:42m} 82. Kc6 {0.00/24 3:09m} Qf3+ {0.00/19
3:55m} 83. Kb5 {(Kd6) 0.00/24 1:40m} Ke2 {(Qe2+) 0.00/18
2:14m} 84. Qxh6 {0.00/23 2:06m} Qxf5 {0.00/18 2:35m}
85. Qc1 {0.00/21 0s} Be3 {0.00/19 2:34m} 86. Qc4+ {0.00/24
2:35m} Kf3 {0.00/20 4:33m} 87. Qf1+ {(h6) 0.00/25 3:26m}
Bf2 {(Kg4) 0.00/21 4:36m} 88. Qd3+ {0.00/26 2:27m} Qxd3+
{0.00/24 2:14m} 89. Nxd3 {0.00/33 4:24m} Be3 {0.00/29
3:08m} 90. Kc4 {(Ne1+) 0.00/34 4:02m} f5 {(Ke4) 0.00/28
2:33m} 91. Kd5 {0.00/32 2:43m} Bh6 {0.00/29 2:18m} 92. Ne5+
{(Ne1+) 0.00/32 1:58m} Kg3 {(Ke2) 0.00/31 4:14m} 93. Nf7
{(Ke6) 0.00/31 2:17m} Be3 {(Kg4) 0.00/27 2:26m} 94. h6
{(Ke6) 0.00/28 2:29m} Bxh6 {-0.01/6 0s} 95. Nxh6 {0.00/1
1s} Kh2 {0.00/1 0s} 96. Ke5 {0.00/1 0s} f4 {0.00/1 0s}
97. Ke4 {0.00/1 0s} Kg2 {0.00/1 0s} 98. Kf5 {0.00/1 0s} f3
{0.00/1 0s} 99. Ke4 {0.00/1 0s} f2 {0.00/1 0s} 100. Nf5
{0.00/1 0s} f1=Q {0.00/1 0s} 101. Ne3+ {0.00/1 0s} Kf2
{0.00/1 0s} 102. Nxf1 {Draw accepted 0.00/1 0s} 1/2-1/2

Kind Regards
Heinz

By Linus

Date 2008-09-04 12:22

> But I am already seeing that you are angry because of having to pay when you want the book
> and you are one of those who do not listen to other people´s arguments.

I am absolutely not angry. I ordered Jeroen's book the moment it appeared on the Chessbase homepage. And I believe it is a great book. I appreciate Jeroen's work very much, as well as Sedat's work on his books.

And I appreciate your work very much. Especially, I like the way you present your test results here on this forum.

By Heinz van Kempen (***)

Date 2008-09-04 18:54 Edited 2008-09-04 19:03

Hi Linus :-),

okay, then have fun with more apples and pears :-).

The website is updated:

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Games are annotated with games mostly played by GM in the respective lines.

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 7,5:3,5

Game 10

Sicilian Najdorf (Poisoned Pawn V. 10.f5)

After the opening White has more actively placed pieces, but worse pawn structure (four pawn islands against two). The position is evaluated by both being slightly better for black. But the advantage increased soon when Rybka could capture two of the isolated pawns and Zappa was helpless against the advancing passed pawns in the center.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.04"]
[Round "10"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B97"]
[Result "0-1"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. Nc3 {0s} Nf6 {0s}
4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} a6 {0s} 6. Bg5 {0s} e6
{0s} 7. f4 {0s} Qb6 {0s} 8. Qd2 {0s} Qxb2 {0s} 9. Rb1 {0s}
Qa3 {0s} 10. f5 {0s} Nc6 {0s} 11. fxe6 {0s} fxe6 {0s}
12. Nxc6 {0s} bxc6 {0s} 13. Be2 {0s} Be7 {0s} 14. O-O {0s}
O-O {0s} 15. Rb3 {0s} Qc5+ {0s} 16. Kh1 {0s} Bd7 {0s}
17. Bf4 {0s} Rad8 {Black last book move 0s} 18. Rb7 {0s}
Rb8 {+0.32/20 7:58m} 19. Rfb1 {0s} Rxb7 {+0.47/19 2:29m}
20. Rxb7 {0s} Rf7 {+0.34/19 9:02m} 21. Rb8+ {0s} Ne8
{+0.62/19 5:55m} 22. g3 {White last book move 0s} Bf8
{+0.62/19 2:34m} 23. Ra8 {-0.40/18 7:45m} Qb4 {+0.69/19
2:27m} 24. Rxa6 {-0.69/19 11:57m} Nc7 {+0.77/19 12:59m}
25. Ra4 {-0.63/19 8:47m} Qb2 {+0.70/20 4:26m} 26. Rd4
{(Sd1) -0.59/19 7:42m} Ne8 {+0.72/19 3:48m} 27. Kg2
{-0.54/19 5:07m} Qb7 {(c5) +0.75/19 3:46m} 28. Ra4
{-0.71/19 6:41m} e5 {(d5) +0.78/19 2:08m} 29. Be3 {-0.60/20
6:53m} Nf6 {+0.88/20 6:55m} 30. Ra7 {-0.72/19 7:38m} Qc8
{+0.88/18 0s} 31. Kg1 {-0.75/19 4:26m} Be6 {+0.92/20 5:52m}
32. Rxf7 {-0.87/20 5:57m} Bxf7 {+0.97/21 4:50m} 33. Bf3
{-0.94/20 5:21m} Qb7 {(Da8) +1.01/21 4:55m} 34. Bg5 {(Kg2)
-0.88/19 4:07m} Qb4 {(Sd7) +1.06/21 5:45m} 35. Kg2
{-0.91/19 4:44m} Nd7 {+1.08/21 2:50m} 36. Be3 {-0.96/20
6:31m} Nc5 {(Da5) +1.04/21 4:09m} 37. Nd1 {(Lf2) -0.89/21
5:14m} Qxd2+ {+1.24/21 7:48m} 38. Bxd2 {-0.89/20 0s} Bxa2
{+1.24/20 0s} 39. Be3 {(Se3) -0.91/20 6:02m} Nd7 {(Se6)
+1.34/22 6:40m} 40. Nc3 {(Ld2) -0.91/21 5:02m} Be6
{+1.36/25 11:23m} 41. g4 {-0.96/21 3:24m} Be7 {+1.38/24
2:26m} 42. g5 {-0.95/21 2:50m} Kf7 {+1.43/23 9:41m} 43. h4
{-0.97/21 2:52m} Bd8 {+1.38/23 5:11m} 44. Na4 {-1.01/21
4:06m} Ba5 {+1.51/22 5:46m} 45. Kf2 {-1.05/21 3:22m} Ke7
{+1.47/22 1:50m} 46. Ke2 {(Ld1) -1.15/21 4:17m} Bc4+
{+1.50/24 3:56m} 47. Kf2 {-1.19/22 5:12m} Bb5 {+1.53/25
2:09m} 48. Nb2 {-1.19/21 0s} Bc3 {(Sf8) +1.56/26 5:51m}
49. Nd1 {-1.13/21 4:03m} Bb4 {+1.56/25 2:00m} 50. Bc1 {(c3)
-1.07/21 2:59m} Nc5 {+1.64/23 2:57m} 51. Ne3 {(Lb2)
-1.08/21 4:43m} g6 {+1.64/23 2:01m} 52. Bb2 {-1.10/21
2:54m} Kd7 {(La6) +1.65/23 4:48m} 53. Bg4+ {-1.13/19 4:54m}
Kd8 {+1.68/23 1:11m} 54. Bf3 {-1.18/21 5:00m} Ba4 {(Ke7)
+1.68/23 1:15m} 55. Ke2 {-1.13/21 3:55m} Ke7 {(Lb5+)
+1.68/24 2:12m } 56. c3 {(Kf2) -1.15/20 2:44m} Ba5
{+1.88/22 2:02m} 57. Kd2 {-1.17/20 3:20m} Bb3 {(Sb3+)
+1.92/23 1:45m} 58. Bg2 {(La3) -1.40/21 3:31m} Na4
{+2.00/25 4:58m} 59. Ba1 {-1.40/20 0s} Bb6 {+2.10/25 4:51m}
60. Ng4 {-1.55/21 2:40m} Be6 {+2.10/25 2:35m} 61. Ne3
{-1.69/22 6:31m} Bc8 {(La2) +2.10/25 2:02m} 62. Bf3
{-1.66/21 2:54m} Nc5 {+2.10/25 2:05m} 63. Bb2 {-1.46/22
7:47m} Nb3+ {+2.10/24 1:15m} 64. Kd3 {-1.59/23 5:18m} Ba6+
{+2.10/25 3:24m} 65. c4 {-1.58/22 3:40m} Bxe3 {+2.10/25
2:01m} 66. Kxe3 {-1.58/21 0s} Bxc4 {+2.10/24 0s} 67. Bd1
{(Lg4) -1.91/22 4:12m} Nc5 {(c5) +2.10/27 2:04m} 68. Bc3
{-1.83/22 3:14m} Kd7 {(Se6) +2.21/26 10:46m} 69. Bb4
{-1.83/21 2:22m} Nb7 {(Sb3) +2.22/25 1:05m} 70. Kd2 {(h5)
-1.93/21 2:36m} Kc7 {+2.29/25 3:24m} 71. Kc3 {(Ke3)
-2.06/21 2:34m} Be6 {(Lg8) +2.37/23 3:26m} 72. Bc2 {(Lf3)
-2.16/21 3:05m} d5 {(Kb6) +2.63/24 3:18m} 73. exd5
{-2.23/20 3:22m} cxd5 {+2.63/22 0s} 74. Bf8 {-2.28/20
3:19m} Bg4 {+2.75/22 1:03m} 75. Ba4 {(Kb4) -2.37/19 2:12m}
Nd8 {+2.90/22 1:53m} 76. Kd2 {(Lg7) -2.45/19 1:30m} Ne6
{(d4) +3.05/23 1:05m} 77. Ba3 {-2.53/19 1:22m} Nf4
{+3.25/23 3:28m} 78. Ke3 {-2.54/19 1:07m} Bf5 {(Ld7)
+3.45/23 4:16m} 79. Kf2 {(Kf3) -3.01/19 2:04m} d4 {+3.65/23
3:09m} 80. Bb5 {-3.00/18 55s} Kb6 {+3.78/24 1:54m} 81. Bc4
{-3.46/20 4:31m} Kc6 {(Ld3) +4.44/24 20:11m} 82. Kf3 {(Lc1)
-3.63/21 4:20m} Nh5 {+4.44/22 0s} 83. Bb4 {(Lg8) -3.83/21
4:13m} e4+ {+4.44/21 0s} 84. Kf2 {-3.83/20 0s} Bg4
{+5.12/21 2:27m} 85. Bd2 {-3.83/19 0s} Kd6 {(Kc5) +5.10/20
0s} 86. Bg8 {-6.39/20 6:16m} Ke5 {+5.12/18 4:39m} 87. Bb3
{(Lf7) -6.99/21 4:19m} e3+ {(Le6) +5.88/19 10:41m } 0-1

Game 11

Ruy Lopez (Chigorin Variation 9.h3 Na5)

On move 12 the Perfect book plays Nd7 which is also a good line but less frequent than Qc7. Also possible are 12..Bb7, 12..cd4: and a few others. Rybka 3.ctg includes seven alternatives alone on move 12 for black and eight options on move 13 for White, playing only the best moves actively for sure. Some lines can transpose of course.

Zappa out of book on move 16. Rybka had to calculate on move 19. Instead of 18..f5 the Rybka book features 18..Bh4. Advantage for white after the book moves and steadily increasing. A lot of manouvering, the game was decided when Zappa lost the a pawn without compensation.

So three wins in a row for Rybka 3 in match A.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.04"]
[Round "11"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C96"]
[Result "1-0"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nc6 {0s } 3. Bb5 {0s} a6
{0s} 4. Ba4 {0s} Nf6 {0s} 5. O-O {0s} Be7 {0s} 6. Re1 {0s}
b5 {0s} 7. Bb3 {0s} d6 {0s} 8. c3 {0s} O-O {0s} 9. h3 {0s}
Na5 {0s} 10. Bc2 {0s} c5 {0s} 11. d4 {0s} Nd7 {0s} 12. Nbd2
{0s} exd4 {0s} 13. cxd4 {0s} Nc6 {0s} 14. d5 {0s} Nce5 {0s}
15. a4 {0s} b4 {Black last book move 0s} 16. Nxe5 {0s} Nxe5
{-0.38/20 3:42m} 17. f4 {0s} Ng6 {-0.57/20 10:49m} 18. Nc4
{White last book move 0s} f5 {-0.59/19 4:30m} 19. exf5
{+0.66/19 7:20m} Bxf5 {-0.68/19 6:02m} 20. Bxf5 {+0.64/20
4:40m} Rxf5 {-0.68/18 0s} 21. g3 {(Dd3) +0.60/20 8:14m} Qc7
{-0.65/17 6:33m} 22. Qe2 {(g4) +0.55/20 33:03m} Rf7
{-0.45/18 5:35m} 23. Be3 {+0.60/20 4:17m} Bf6 {-0.54/19
4:26m} 24. Bf2 {+0.58/19 2:42m} Re7 {(Taf8) -0.57/19 4:16m}
25. Qh5 {+0.57/17 1:37m} Rd8 {-0.63/19 5:48m} 26. Rad1
{+0.58/19 2:23m} Rf7 {(Ld4) -0.62/19 4:10m} 27. Re4
{+0.73/19 2:49m} Ne7 {-0.63/19 6:00m} 28. Qe2 {+0.80/20
15:27m} g6 {-0.74/18 5:17m} 29. Kg2 {(g4) +0.75/20 1:48m}
Nf5 {-0.64/18 4:58m} 30. g4 {(Te8+) +0.75/20 2:43m} Ng7
{-0.71/18 3:39m} 31. b3 {(a5) +0.80/20 3:57m} Rff8 {(Dd7)
-0.75/18 6:04m} 32. Qd3 {(Lg3) +0.81/19 2:11m} Rde8 {(Dd7)
-0.77/19 3:29m} 33. Rxe8 {+0.91/20 5:08m} Rxe8 {(Sxe8)
-0.89/19 3:55m} 34. Nd2 {+0.92/20 1:35m} Qf7 {(a5) -0.86/19
3:34m} 35. Ne4 {+0.92/19 3:37m} Qf8 {-0.87/19 3:41m}
36. Bg3 {(Tf1) +1.03/20 6:53m} Bd4 {-0.83/19 2:55m} 37. Re1
{+1.12/19 2:32m} a5 {(Df7) -0.84/19 3:21m} 38. Qa6
{+1.01/18 2:13m} Bc3 {-0.84/18 0s} 39. Re2 {+1.01/20 2:51m}
Ba1 {(Ld4) -1.16/18 5:45m} 40. Kf3 {+1.01/19 1:42m} Be5
{-1.36/19 3:31m} 41. Ke3 {(Dxa5) +1.01/19 10:16m} Bf6
{-1.12/18 2:51m} 42. Kd3 {(Kf3) +1.01/19 4:46m} Be7
{-1.02/18 3:27m} 43. Kc2 {+1.00/19 6:30m} h5 {(Df7)
-1.04/17 2:53m } 44. Qb5 {(Dd3) +0.98/18 7:14m} Kh8 {(Df7)
-1.00/18 5:09m} 45. Kd3 {(Kd1) +1.00/18 7:11m} Rb8 {(Kg8)
-0.79/17 2:41m} 46. Qd7 {(Dc4) +0.99/18 3:38m} Rd8 {(Te8)
-0.79/18 3:46m} 47. Qb7 {(Da7) +0.99/19 4:56m } Re8 {(Tc8)
-0.84/18 6:14m} 48. Re3 {+1.11/17 2:21m} h4 {-0.86/17
4:57m} 49. Bh2 {+1.11/15 0s} Bf6 {(Kg8) -1.02/18 7:00m}
50. Qc7 {(Dc6) +1.21/18 2:51m} Rd8 {(Le7) -1.27/18 3:48m}
51. Qxa5 {+1.78/17 1:12m} Qf7 {-1.37/18 4:03m} 52. Kc4
{+1.78/15 0s} Qf8 {-1.39/19 5:39m} 53. Qc7 {(Da6) +2.17/17
2:01m} Be7 {(Te8) -1.39/19 2:21m} 54. a5 {(Kd3) +2.12/18
3:12m} Rc8 {(Ta8) -1.31/19 3:30m} 55. Qb7 {(Dd7) +2.16/20
5:48m} Rb8 {-1.31/20 2:55m} 56. Qc6 {+2.16/20 1:06m} Rc8
{-1.31/20 6:52m} 57. Qa4 {(Dd7) +2.25/19 8:35m} Qd8 {(Ta8)
-1.61/18 3:51m} 58. a6 {+2.44/19 9:07m } Ra8 {(Lf8)
-1.79/18 2:38m} 59. Rf3 {(Te2) +2.74/16 1:51m} Ne6 {(Lf8)
-2.12/17 5:18m} 60. f5 {+2.84/16 1:23m} Nd4 {-2.12/17 0s}
61. Rf4 {+2.84/14 0s} g5 {(Se2) -3.01/18 16:02m} 62. Rf2
{+4.94/15 4:13m} Bf8 {-4.05/16 2:49m} 63. f6 {+4.94/13 0s}
Rc8 {(Kg8) -4.09/16 1:42m} 64. Nxg5 {+7.22/14 2:03m} Qb6
{-6.46/17 2:52m} 65. a7 {+7.58/14 1:11m} Ra8 {-8.93/18
4:44m} 66. Ra2 {+5.10/12 0s} 1-0

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU – 4,0:5,0

Game. 10

Sicilian (2.Nc3 3.f4))

The game is still in progress, now for more than 14 hours and currently on move 141.
So the fifth game in match B with more than 100 moves and possibly the ninth draw. That is what I would call tough chess. I guess at some point Rybka 3 Human will also get a winning streak. We will see when.

Kind Regards
Heinz

By BenVanVlierden (***)

Date 2008-09-04 20:00

It seems like Rybka 3 has started to throw her weight around in match A for sure!

Thanks for the very entertaining matchreports, Heinz!

Keep it up!

By Heinz van Kempen (***)

Date 2008-09-04 20:28

Hi :-),

thanks. Yes, it is much more fun (especially the replay of the games) than I thought before having run for many years only matches with generic books.

And after all I am learning some theory as well.

Kind Regards
Heinz

By M ANSARI (*****)

Date 2008-09-04 20:16

Hi Heinz,

Thanks for your report ... I hope people will appreciate how much time it takes to do these long time control games. I had planned to get a whole bunch of LTC games with 2 Octa's and 3 Quads running 24/7 for 9 days when I had a business trip. As you can imagine the first power outage that we had in 3 years had to happen a day after I travelled. Anyway I have one Quad running now 24/7 trying to get some decent LTC games with Zappa and Rybka and Rybka Human. I plan to keep it going for about a month. It takes a long time to test these games at this time control since sometimes you get only 2 games in a 24 hour period!

By Heinz van Kempen (***)

Date 2008-09-04 20:49 Edited 2008-09-04 20:53

Hi :-),

thanks, for me it is already sufficient when a few have fun in investigating the games and maybe contribute to improve Rybka even more by giving valuable feedback.

Fine that you also run LTC games with your powerful hardware. Will be interesting to compare our results and to see what the Human and Dynamic versions can give, what of course we will only know after many games.

Bad luck with the power outage. I had been in Amsterdam from Fryday to Monday and also had a look at the tournament Rising Stars (Wang Yue, Cheparinov, l`Ami, Stellwagen, Caruana) against the Experience team (Kortchnoi, Ljubojevic, Bareev, Jussupov, Agdestein) in a hotel only 200 meters away from ours. Those who are interested in the atmosphere can find videos on ICC Chess FM:

http://www.chessclub.com/chessfm/

Regrettably I missed Jeroen when I came too late on Friday.

After returning one of my machines had crashed, what also must have happened shortly after leaving.

By the way Rybka 3 Human won this long game I mentioned, but should have been a draw with better defence I guess:

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU – 5,0:5,0

Game. 10

Sicilian (2.Nc3 3.f4))

A rare line. White plays a closed Sicilian without a fianchetto (g3), but including moves like f4 early like in the so-called Grand Prix Attack being very popular in England and also including Bb5 which can be seen in the Rossolimo Variation on move 3. The Rybka book is also prepared for this stuff and Zappa has to calculate already on move 10 having soon a slight disadvantage with white pieces.

Rybka got good queenside play 24..b4! and could win the d-pawn. In the end a long rook endgame with three pawns against two on the same flank which looked drawish to me, but Rybka won it.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.04"]
[Round "10"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B23"]
[Result "0-1"]

1. e4 {1s} c5 {1s} 2. Nc3 {0s} d6 {0s} 3. f4 {0s} Nc6 {0s}
4. Nf3 {0s} g6 {0s} 5. Bb5 {0s} Bd7 {0s } 6. Bxc6 {0s} Bxc6
{0s} 7. O-O {0s} Nf6 {0s} 8. d3 {0s} Bg7 {0s} 9. Qe1 {White
last book move 0s} e6 {0s} 10. e5 {+0.05/17 3:03m} dxe5
{0s} 11. Nxe5 {+0.05/18 3:11m} Qc7 {Black last book move
0s} 12. Be3 {-0.11/17 4:09m} b6 {+0.18/19 3:10m} 13. Rd1
{(d4) -0.14/18 5:05m} O-O {+0.36/18 5:48m} 14. d4 {(Qe2)
-0.15/18 2:44m} c4 {+0.34/18 1:47m} 15. Bf2 {-0.18/18
2:45m} Qb7 {(Nd5) +0.43/19 5:45m} 16. Nxc6 {-0.18/7 0s}
Qxc6 {+0.43/18 0s} 17. Bh4 {-0.24/19 3:00m} Nd5 {(Rfd8)
+0.46/20 3:00m} 18. a3 {(Qd2) -0.28/18 6:57m} Rfe8 {(Nxc3)
+0.48/21 4:27m } 19. Qd2 {(Qe4) -0.30/20 4:17m} Rac8
{(Nxc3) +0.48/20 2:05m} 20. Rf3 {(Rfe1) -0.28/20 8:00m} b5
{(Nxc3) +0.49/18 3:17m} 21. Kh1 {(Rff1) -0.33/19 3:56m} Ra8
{(Nc7) +0.54/19 7:46m} 22. Rff1 {(Kg1) -0.42/18 6:12m} a5
{+0.66/20 3:13m} 23. Nxd5 {-0.57/19 6:37m} Qxd5 {+0.74/21
6:52m} 24. c3 {(Bf2) -0.60/19 3:43m} b4 {(Rab8) +0.79/21
2:19m} 25. cxb4 {(axb4) -0.66/19 5:38m} axb4 {+0.79/20
3:23m} 26. axb4 {-0.70/19 4:38m} Rec8 {+0.79/21 3:13m}
27. Qe2 {-0.72/19 4:32m} Ra2 {+0.84/21 5:39m} 28. Rd2
{-0.72/18 0s} Bf8 {(Qb7) +0.79/21 9:49m} 29. Rc2 {-0.59/20
4:29m} Qxd4 {(Bxb4) +0.74/21 3:48m} 30. Bf2 {-0.58/19
3:00m} Qd7 {+0.61/21 6:13m} 31. Rd1 {(Rb1) -0.54/19 3:06m}
Qb5 {(Qa4) +0.65/20 3:12m} 32. Bd4 {-0.60/19 3:10m} Bd6
{(Bxb4) +0.65/20 1:39m} 33. Bf6 {-0.51/18 3:10m} Bxb4
{+0.69/21 3:04m} 34. h3 {-0.45/19 2:38m} Bf8 {+0.70/21
6:27m} 35. Rcd2 {-0.54/19 2:28m} Raa8 {+0.64/21 5:03m}
36. Qe3 {-0.54/19 2:49m} Bg7 {+0.70/21 6:24m} 37. Bxg7
{-0.52/19 2:22m} Kxg7 {+0.70/19 0s} 38. Rd7 {-0.56/19
2:11m} Kg8 {+0.63/20 6:16m} 39. Qd4 {-0.52/20 3:14m} Rab8
{(Qf5) +0.69/21 2:21m} 40. Qc3 {-0.48/19 1:59m} Qf5 {(h5)
+0.70/21 2:04m} 41. R7d4 {-0.61/20 3:13m} Qh5 {(Qc5)
+0.71/22 5:00m} 42. Kh2 {(Kg1) -0.54/20 3:01m} Qb5
{+0.75/21 2:26m} 43. Rd7 {-0.51/21 3:28m} Qf5 {+0.75/21
2:33m} 44. R7d4 {(Kg1) -0.56/21 3:48m} h6 {(e5) +0.75/22
6:05m} 45. Rxc4 {-0.31/20 2:33m} Rxc4 {+0.75/23 4:58m}
46. Qxc4 {-0.31/19 0s} e5 {+0.75/24 9:28m} 47. fxe5
{-0.33/19 2:31m} Qxe5+ {+0.76/24 8:59m} 48. Kh1 {(Kg1)
-0.34/21 2:40m} Rxb2 {+0.76/23 1:13m} 49. Rf1 {-0.35/21
2:43m} Qe7 {+0.76/22 1:38m} 50. Qc8+ {-0.35/21 2:18m} Kh7
{+0.76/23 2:01m} 51. Qc4 {-0.35/22 3:20m} Rb7 {+0.76/22
2:32m} 52. Qc3 {(Qd4) -0.36/22 6:42m} Rc7 {+0.78/21 3:46m}
53. Qd4 {(Qb2) -0.39/21 6:23m} h5 {(Rc6) +0.79/22 3:10m}
54. Kh2 {-0.39/21 2:42m} Rc2 {(Rc6) +0.79/22 4:27m} 55. h4
{-0.38/20 2:15m } Qc7+ {(Rc6) +0.79/22 2:22m} 56. Qf4
{-0.36/22 2:15m} Kg7 {+0.79/25 1:22m} 57. Qxc7 {-0.36/24
2:41m} Rxc7 {+0.79/29 2:13m} 58. Rf2 {(Rf3) -0.36/25 2:20m}
Rc4 {+0.79/29 2:19m} 59. g3 {-0.35/26 2:14m} Rc3 {(f6)
+0.79/30 2:00m} 60. Kg2 {(Ra2) -0.35/25 2:18m} Re3 {(Rc6)
+0.79/30 6:58m} 61. Rd2 {(Rc2) -0.35/25 2:53m} Kf6
{+0.79/32 2:08m} 62. Kf2 {(Rb2) -0.35/25 3:34m} Rc3
{+0.79/30 2:14m} 63. Kg2 {-0.35/25 2:49m} Rc5 {+0.79/31
1:48m} 64. Re2 {(Ra2) -0.35/26 3:27m} Kf5 {+0.79/31 2:02m}
65. Rf2+ {-0.35/26 3:33m} Ke6 {+0.79/32 2:30m} 66. Re2+
{-0.35/26 3:12m} Re5 {(Kd6) +0.79/31 1:03m} 67. Rb2 {(Rc2)
-0.35/26 2:48m} Rd5 {+0.79/30 1:43m} 68. Rb6+ {(Re2+)
-0.35/26 4:33m} Kf5 {+0.79/31 2:16m} 69. Kf3 {(Rb3)
-0.35/26 3:05m} Rd3+ {+0.79/30 1:44m} 70. Kg2 {-0.35/25 0s}
f6 {+0.79/31 3:01m} 71. Rb2 {(Rb1) -0.35/26 3:05m} Rd4
{+0.79/31 2:21m} 72. Rf2+ {-0.35/26 2:47m} Ke5 {+0.79/31
1:22m} 73. Rf1 {(Ra2) -0.35/26 2:39m} Ke6 {(Rd2+) +0.79/30
3:04m} 74. Rc1 {(Kf3) -0.35/26 3:32m} Rd5 {(Ke5) +0.79/30
2:17m} 75. Rc8 {(Re1+) -0.35/26 3:35m} Ke5 {(Kf5) +0.79/29
1:14m} 76. Re8+ {(Rc2) -0.35/26 3:59m} Kf5 {+0.79/30 1:11m}
77. Kf3 {(Re1) -0.35/26 1:58m} Rd3+ {+0.79/30 1:57m}
78. Kg2 {-0.35/25 0s} Rd2+ {(g5) +0.79/31 2:00m} 79. Kh3
{(Kf3) -0.35/27 2:18m} Rd4 {(Rd1) +0.79/31 2:17m} 80. Re1
{(Rb8) -0.35/27 2:25m} Rc4 {(Re4) +0.79/32 3:23m} 81. Re8
{(Rf1+) -0.35/26 2:26m} Rc2 {(Rc7) +0.79/32 2:59m} 82. Rh8
{(Re3) -0.35/27 2:17m} Rb2 {(Rc3) +0.79/32 3:15m} 83. Rd8
{-0.35/26 2:19m} Re2 {(Ra2) +0.79/32 3:46m} 84. Rf8 {(Rd6)
-0.35/28 3:07m} Re4 {(Re5) +0.79/33 3:52m} 85. Rd8 {(Ra8)
-0.35/29 4:54m} Rb4 {(Re5) +0.79/32 2:03m} 86. Rd5+ {(Rd1)
-0.35/26 2:19m} Ke6 {(Ke4) +0.79/31 1:56m} 87. Rc5 {(Rd3)
-0.35/27 3:35m} Rb3 {(Re4) +0.79/31 2:25m} 88. Rc6+
{-0.35/26 2:28m} Ke5 {(Kf5) +0.79/33 2:17m} 89. Rc5+
{-0.35/26 2:24m} Kd6 {(Ke4) +0.79/33 2:35m} 90. Rc8 {(Ra5)
-0.35/26 2:38m} Rb5 {(Ke5) +0.79/31 2:39m} 91. Kg2
{-0.35/26 2:57m} Ra5 {(Ke6) +0.79/30 1:56m} 92. Kf3 {(Re8)
-0.35/23 2:40m} Ke5 {(Rc5) +0.79/31 3:13m} 93. Re8+ {(Rc6)
-0.35/25 4:18m} Kf5 {+0.79/32 2:40m} 94. Kg2 {(Rc8)
-0.35/26 3:33m} Ra3 {(Ra2+) +0.79/31 2:19m} 95. Kh3 {(Rc8)
-0.35/26 2:30m} Ra2 {(Rf3) +0.79/31 1:32m} 96. Rf8 {(Rb8)
-0.35/27 3:08m} Ra1 {(Ke6) +0.79/31 2:04m} 97. Rd8 {(Rg8)
-0.35/25 2:44m} Rf1 {(g5) +0.79/30 1:56m} 98. Re8 {(Rd2)
-0.35/25 2:27m} Rc1 {(Rd1) +0.79/32 2:50m} 99. Rh8 {(Rd8)
-0.35/26 2:38m} Rc2 {+0.79/30 1:35m} 100. Rd8 {(Re8)
-0.35/27 3:03m} Ke6 {(Rc3) +0.79/31 3:18m} 101. Re8+ {(Ra8)
-0.35/26 2:57m} Kf7 {(Kf5) +0.79/33 2:32m} 102. Rd8 {(Re1)
-0.35/27 2:35m} Ke7 {(Rc5) +0.79/31 3:24m} 103. Rd5 {(Rh8)
-0.35/27 3:23m} Ke6 {+0.79/31 1:40m} 104. Rd8 {-0.35/27
2:38m} Kf7 {(Rc3) +0.79/32 4:02m} 105. Rd7+ {(Rb8) -0.35/28
4:34m} Kg8 {(Ke6) +0.63/34 3:14m} 106. Rd8+ {-0.35/28
3:41m} Kg7 {(Kf7) +0.59/35 2:00m} 107. Rd7+ {-0.31/26
7:31m} Kh6 {+0.59/35 2:45m} 108. Rd6 {-0.25/26 6:28m} f5
{(Rf2) +0.59/36 3:27m} 109. Ra6 {(Rd7) -0.25/27 2:47m} Rb2
{(Rc5) +0.59/36 4:07m} 110. Ra8 {(Ra7) -0.25/27 3:18m} Kh7
{(Rc2) +0.59/34 3:07m} 111. Ra7+ {-0.25/28 2:38m} Kg8
{(Kh6) +0.59/35 2:06m} 112. Re7 {(Rc7) -0.25/27 3:43m} Rb3
{(Rc2) +0.59/34 3:30m} 113. Kh2 {(Kg2) -0.25/26 2:04m} Rd3
{(Kh8) +0.59/33 1:56m} 114. Rb7 {(Kg2) -0.25/26 2:59m} Kf8
{(Rd2+) +0.59/35 3:44m} 115. Kg2 {-0.25/25 2:04m} Re3
{(Rd6) +0.59/35 3:03m} 116. Rd7 {(Kf2) -0.25/25 2:06m} Ke8
{(Kg8) +0.59/33 5:26m} 117. Rd6 {(Rc7) -0.25/26 2:15m} Kf7
{+0.59/33 3:23m} 118. Rd7+ {(Rd4) -0.25/26 2:29m} Ke6
{(Kf6) +0.59/33 3:03m} 119. Rd8 {(Rb7) -0.25/25 2:10m} Re4
{(Rc3) +0.59/32 3:38m} 120. Rc8 {(Re8+) -0.25/25 2:20m} Rd4
{(Kf6) +0.59/33 8:33m} 121. Re8+ {(Kf3) -0.25/25 2:43m} Kf6
{+0.59/32 2:18m} 122. Rf8+ {(Kf3) -0.25/26 3:10m} Ke7
{+0.60/32 3:56m} 123. Rc8 {(Rb8) -0.25/26 3:16m} f4 {(Rd6)
+0.60/31 4:11m} 124. gxf4 {(Rc6) -0.11/24 2:21m} Rxf4
{+0.60/35 2:48m} 125. Kh3 {(Rc6) -0.11/26 2:14m} Rf3+
{(Ke6) +0.60/34 1:52m} 126. Kg2 {-0.11/28 2:25m} Re3 {(Rf4)
+0.60/36 1:57m} 127. Rc7+ {(Rc6) -0.11/26 2:22m} Kf6
{+0.60/35 1:33m} 128. Ra7 {(Rc8) -0.11/27 4:07m} Kf5 {(Rd3)
+0.60/35 1:45m} 129. Ra6 {(Ra5+) -0.11/27 3:56m} Re4 {(Re5)
+0.60/36 2:53m} 130. Kg3 {-0.11/27 3:18m} Re2 {(Rd4)
+0.60/37 3:18m} 131. Rc6 {(Ra5+) -0.11/27 2:44m} Re3+
{+0.60/37 2:37m} 132. Kg2 {(Kh2) -0.11/28 3:21m} Rd3 {(Re5)
+0.60/37 4:29m} 133. Rc4 {(Rc5+) -0.11/27 2:14m} Rd2+
{(Ke6) +0.60/37 3:07m } 134. Kf3 {(Kh3) -0.11/28 3:04m} Rd6
{(Rd3+) +0.60/36 2:50m} 135. Rc5+ {(Rf4+) -0.11/27 3:26m}
Ke6 {(Kf6) +0.60/37 2:31m} 136. Kf4 {(Rg5) -0.11/28 2:28m}
Kf6 {+0.60/36 2:18m} 137. Kg3 {(Ke4) -0.11/28 3:35m} Rd3+
{+0.60/37 2:14m} 138. Kf4 {(Kg2) -0.11/28 3:58m} Rh3 {(Rb3)
+0.61/33 2:29m} 139. Rc6+ {-0.11/28 6:06m} Kg7 {+0.61/34
1:50m} 140. Kg5 {(Rc4) -0.11/28 3:00m} Rg3+ {+3.10/23
1:40m} 141. Kf4 {-0.11/27 0s} Rg4+ {(Rb3) +4.70/28 15:27m}
142. Kf3 {-0.11/26 7:08m} Rxh4 {(Kg8) +4.70/30 1:15m}
143. Kg2 {-4.71/24 2:52m} Rg4+ {(Ra4) +5.10/31 18:34m}
144. Kh3 {-5.40/26 5:29m} Ra4 {(Re4) +5.10/29 12:27m}
145. Kg3 {(Rc7+) -7.00/25 5:08m} h4+ {(Kh6) +5.10/28 1:08m}
0-1

New games are in progress, but as you told, when there are long ones like usually between Rybka and Zappa there will only be two daily, but I am currently using two quads for this, so at least four games daily.

Best Wishes
Heinz

By Hamlet

Date 2008-09-04 22:05

>With the White king on a1 Black can never take the last pawn, because Zappa then has a stalemate defence, just placing it´s rook adjacent to the enemy king giving checks. But there
>is of course a win possible. Black must drive the White king to c2 first. I give one example in the annotations. Ok, six men I do no have installed, but Zappa accesses the 5 men fine and
>always calculates a mate, even when it would last 35 moves.

This draw seems to caused by Rybka 3 tablebase bug. Actually, the mate is much shorter when you have krrkrp tablebases installed. It is only 25 moves

8/8/1r6/6R1/k7/5r2/KP6/8 w - - 0 1

Analysis by HIARCS 11.1 MP UCI:

1. -+ (-#25): 63.Rg5-g4+
2. -+ (-#24): 63.Rg5-g2
3. -+ (-#23): 63.Rg5-g8
4. -+ (-#22): 63.Rg5-g7
5. -+ (-#16): 63.Rg5-e5
6. -+ (-#16): 63.Rg5-d5
7. -+ (-#16): 63.Rg5-h5
8. -+ (-#11): 63.Rg5-c5
9. -+ (-#11): 63.Rg5-g1
10. -+ (-#10): 63.Ka2-b1
11. -+ (-#6): 63.b2-b3+
12. -+ (-#5): 63.Ka2-a1
13. -+ (-#5): 63.Rg5-a5+
14. -+ (-#4): 63.Rg5-f5
15. -+ (-#4): 63.Rg5-b5
16. -+ (-#4): 63.Rg5-g3
17. -+ (-#4): 63.Rg5-g6
18. -+ (-#3): 63.b2-b4

By Heinz van Kempen (***)

Date 2008-09-05 15:32

Hi Hamlet :-),

thanks a lot for checking this.

It is always nice and helpful when others contribute and investigate some critical positions and give valuable feedback, cause I do not have the time to do all alone.

Kind Regards
Heinz

By Vasik Rajlich (Silver)

Date 2008-09-05 14:18

Thanks Heinz for running these games. It's interesting data, as these types of games could be played in Beijing or other serious tournaments.

Vas

By Heinz van Kempen (***)

Date 2008-09-05 15:36 Edited 2008-09-05 16:00

Hi Vas and all :-),

fine when the games prove to be a bit helpful to improve book and/or engine.

The website is up-to-date with new games:

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 8,5:4,5

Game 12

Semi-Slav

Zappa out of book on move 15 when 16.Ng5 would have been the theory move, after which one the Rybka book has stored different lines.

A few moves later Zappa got an isolated central pawn, but the bishop pair. The game was quite entertaining including an endgame with bishop pair and three pawns against knight, bishop and four pawns. No bad errors were made and a draw was the logical result.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.04"]
[Round "12"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "D47"]
[Result "1/2-1/2"]

1. d4 {0s} d5 {0s} 2. Nf3 {0s} Nf6 {0s} 3. c4 {0s} c6 {0s}
4. Nc3 {0s} e6 {0s} 5. e3 {0s} Nbd7 {0s } 6. Bd3 {0s} dxc4
{0s} 7. Bxc4 {0s} b5 {0s} 8. Be2 {0s} Bb7 {0s} 9. O-O {0s}
Be7 {0s} 10. e4 {0s} b4 {0s } 11. e5 {0s} bxc3 {0s}
12. exf6 {0s} Bxf6 {0s} 13. bxc3 {0s} O-O {0s} 14. Rb1 {0s}
Qc8 {Both last book move 0s} 15. Bd3 {+0.47/18 4:13m} c5
{-0.07/18 5:06m} 16. Ng5 {+0.38/18 7:00m} g6 {-0.07/19
4:45m} 17. Bf4 {+0.30/17 4:04m} cxd4 {-0.07/19 5:17m}
18. cxd4 {+0.30/16 0s} Nb6 {(Ld5) 0.00/19 31:02m} 19. Ne4
{+0.29/17 3:41m} Qd8 {(Lxe4) 0.00/20 6:20m} 20. Nxf6+
{+0.34/18 5:16m} Qxf6 {0.00/18 0s} 21. Be3 {+0.30/19 4:58m}
Rfc8 {(Tac8) 0.00/19 2:01m} 22. Qe2 {(Dd2) +0.32/19 8:04m}
Qe7 {(Tab8) 0.00/20 4:13m} 23. Rfe1 {(Tfc1) +0.23/18 6:24m}
Rc7 {(Ld5) 0.00/19 2:48m} 24. Rec1 {(Dd2) +0.17/18 3:18m}
Rac8 {0.00/20 8:59m } 25. Qb2 {(Txc7) +0.20/19 3:55m} Bd5
{0.00/21 3:21m} 26. Rxc7 {+0.08/20 7:07m} Rxc7 {0.00/22
3:06m} 27. Bf4 {+0.07/20 4:14m} Rc8 {0.00/21 1:17m} 28. Ba6
{+0.07/19 2:56m} Bb7 {0.00/21 2:40m} 29. Bf1 {(Le2)
+0.05/19 2:59m} Bd5 {0.00/22 4:09m} 30. Ba6 {+0.04/19
3:09m} Bb7 {0.00/22 2:59m} 31. Bd3 {(Lxb7) +0.06/19 3:22m}
Bd5 {0.00/21 4:57m} 32. Rc1 {(Lxg6) 0.00/19 3:54m} Rxc1+
{0.00/18 1:21m} 33. Qxc1 {(Lxc1) 0.00/20 3:37m} Bxa2
{+0.11/20 1:32m} 34. Qc5 {0.00/20 4:32m} Qd8 {+0.11/21
2:47m} 35. Bh6 {(La6) 0.00/20 2:56m} Bd5 {+0.15/21 2:01m}
36. f3 {0.00/20 2:53m} f6 {(Lb3) +0.15/21 4:45m} 37. Bf4
{(Ld2) 0.00/20 5:07m } Bc6 {(Lb7) +0.15/20 4:13m} 38. h4
{0.00/19 3:15m } Kf7 {(Dd5) +0.16/20 2:50m} 39. h5 {(La6)
0.00/19 3:08m} Qd5 {+0.12/19 4:30m} 40. hxg6+ {0.00/20
2:54m} hxg6 {+0.12/17 0s} 41. Bb8 {0.00/21 5:08m} Qd7
{(Db3) +0.11/21 3:56m} 42. Ba6 {0.00/21 2:14m} Kg7
{+0.11/21 3:33m} 43. Kf2 {0.00/22 3:17m} g5 {(Kf7) +0.08/21
7:01m} 44. Kg1 {0.00/21 3:11m} Kf7 {+0.08/20 3:22m} 45. Kf2
{0.00/21 2:48m} Kg8 {(La4) +0.08/20 3:08m} 46. Kg1 {(Ld3)
0.00/21 3:13m} Kg7 {+0.08/20 3:33m} 47. Kf2 {(Ld3) 0.00/21
2:45m} Kf7 {+0.08/20 3:06m} 48. Bd6 {(Kg1) 0.00/21 3:17m}
Bb7 {(Sa4) +0.14/20 2:30m} 49. Bb5 {0.00/21 2:35m} Qc8
{(Dd8) +0.14/22 3:59m} 50. Kg1 {-0.02/19 2:49m} Qxc5 {(La6)
+0.14/22 3:30m} 51. dxc5 {0.00/23 3:22m} Nd5 {(Sc8)
+0.18/24 1:17m} 52. c6 {0.00/22 4:52m} Bc8 {(La8) +0.15/25
1:38m} 53. g3 {(Kf2) 0.00/23 2:36m } a6 {+0.24/24 4:30m}
54. Ba4 {-0.03/22 3:46m} Nc3 {(e5) +0.29/26 3:48m} 55. Bb3
{-0.07/22 3:25m} Ne2+ {+0.32/26 2:08m} 56. Kf2 {-0.05/23
4:55m} Nd4 {+0.32/24 0s} 57. Ba4 {-0.05/22 0s} g4 {(e5)
+0.31/26 2:57m} 58. fxg4 {-0.11/21 2:29m} e5 {+0.31/26
1:41m} 59. Ke3 {(g5) -0.12/21 2:38m} Bxg4 {+0.39/24 1:19m}
60. Bc5 {-0.13/21 3:43m} Ke6 {(Sb5) +0.38/26 2:13m}
61. Bxd4 {(Kd2) -0.01/23 3:45m} exd4+ {+0.48/28 1:44m}
62. Kxd4 {0.00/26 3:17m} Kd6 {+0.48/27 0s} 63. Ke4 {0.00/29
3:40m} a5 {(Le6) +0.48/31 1:46m} 64. Kf4 {(c7) 0.00/29
2:44m} Be6 {(f5) +0.88/29 3:29m} 65. Ke3 {(g4) 0.00/28
3:26m} Bd5 {(f5) +1.01/33 2:29m } 66. c7 {0.00/14 0s} Kxc7
{+1.01/35 2:42m} 67. Kf4 {(g4) 0.00/29 3:34m} Kd6 {+1.01/34
1:51m} 68. g4 {0.00/29 2:46m} Be6 {(Kc7) +1.01/34 1:40m}
69. g5 {0.00/17 0s} fxg5+ {+1.01/34 2:52m} 70. Kxg5
{0.00/16 0s} Bd7 {(Kc5) 0.00/1 1s} 71. Bb3 {0.00/1 0s} Ke5
{0.00/1 0s} 72. Bd1 {0.00/1 0s} Be8 {0.00/1 0s} 73. Kg4
{0.00/1 0s} Ke4 {0.00/1 0s} 74. Bc2+ {0.00/1 0s} Kd4
{0.00/1 0s} 75. Kf4 {0.00/1 0s} Bc6 {0.00/1 0s} 76. Bd1
{0.00/1 0s} Bb5 {0.00/1 0s} 77. Bb3 {0.00/1 0s} Kc3 {0.00/1
0s} 78. Bd1 {0.00/1 0s} Kd4 {0.00/1 0s} 79. Bb3 {0.00/1 0s}
Bc6 {0.00/1 0s} 80. Bc2 {0.00/1 0s} Be8 {0.00/1 0s} 81. Bb3
{0.00/1 0s} Bc6 {0.00/1 0s} 82. Bc2 {0.00/1 0s} Be8 {0.00/1
0s} 83. Bb3 {0.00/1 0s} Bd7 {0.00/1 0s} 84. Kf3 {0.00/1 0s}
Bc6+ {0.00/1 0s} 85. Kf4 {0.00/1 0s} Bb5 {0.00/1 0s}
86. Bc2 {0.00/1 0s} Be8 {Draw accepted 0.00/1 0s} 1/2-1/2

Game 13

Caro-Kann (Advance Variation 3.e5)

This time not going for the lines with g4, but playing 4.Nf3 like often seen in Nigel Short´s games. So some call it the Short Variation. This variation we also had in the match with Hiarcs and Jeroen gave the game Kamsky vs. Morozevich from the Tal Memorial 2008, which is also available now as a very long video. Not on ICC, but on the site by Waldemar Moes, a chess trainer from the Netherlands (just scoll down a bit, there is also more interesting stuff):

http://www.chessedelic.com/

Zappa out of book on move 8 already. 9..f6 was played in some GM games (see annotations at the website), but is not featured in Rybka´s book, which is prepared against 9..c5 and 9..Nf5 played more frequently.

Rybka soon gained an initially good bishop pair, but Zappa with a nice pawn chain in the center equalled more and more, with definitively a better position after the pawn push 42..f4. keeping the white dark squared bishop out of play and finally winning the d4 pawn. With the advancing center pawns I thought Zappa would win easily, but maybe it pushed with 64..d3 too early (64..Qd8 maybe was a better choice here, preparing further advances of the pawns first). The position after move 73 is an interesting one, when Zappa has three rather advanced although isolated passed pawns. Rybka gave the exchange to eliminate at least the d-pawn and Zappa gave the exchange back on move 78 in order to destroy white´s nice pair of pawns. But this only led to a drawish queen´s endgame. I guess Rybka had been lucky in this long game (125 moves).

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "13"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B12"]
[Result "1/2-1/2"]

1. e4 {0s} c6 {0s} 2. d4 {0s} d5 {0s} 3. e5 {0s} Bf5 {0s}
4. Nf3 {0s} e6 {0s} 5. Be2 {0s} Nd7 {0s } 6. O-O {0s} Bg6
{0s} 7. Nbd2 {0s} Nh6 {Black last book move 0s} 8. c3 {0s}
Be7 {-0.20/18 2:55m} 9. Ne1 {White last book move 0s} f6
{-0.08/18 4:06m} 10. exf6 {(Sdf3) +0.29/19 4:37m} gxf6
{+0.01/18 4:06m} 11. Nd3 {(Sb3) +0.29/19 1:43m } Nf5 {(Dc7)
-0.05/17 2:28m} 12. Re1 {(Lg4) +0.36/18 4:22m} Bd6
{-0.37/17 3:19m} 13. Bg4 {+0.41/19 3:05m} Kf7 {(De7)
-0.45/17 3:23m} 14. Nf1 {+0.68/18 6:29m} h5 {-0.63/17
6:00m} 15. Bh3 {+0.66/18 5:20m} e5 {-0.67/18 4:12m} 16. Ng3
{+0.69/18 7:30m} Nxg3 {-0.55/18 3:40m} 17. hxg3 {(fxg3)
+0.69/19 8:11m} Bxd3 {(Te8) -0.56/17 3:05m} 18. Qxd3
{+0.80/18 2:55m} e4 {-0.60/19 5:01m} 19. Qe2 {(Df1)
+0.80/19 1:26m} Nb6 {-0.36/18 2:38m} 20. Rf1 {(a4) +0.82/18
3:13m} Qe7 {-0.44/18 4:25m} 21. b3 {(a4) +0.77/19 3:39m} h4
{(Tad8) -0.52/17 4:47m} 22. c4 {+0.82/18 2:56m} Bc7 {(Lb4)
-0.43/17 3:11m} 23. a4 {+0.67/17 4:40m} Rag8 {-0.53/17
3:03m} 24. Ba3 {(a5) +0.61/17 4:02m} Qd8 {-0.65/18 3:05m}
25. a5 {+0.56/17 9:30m} Nc8 {-0.65/18 3:47m} 26. a6 {(f3)
+0.54/17 8:22m} bxa6 {-0.32/17 5:19m} 27. g4 {(f3) +0.47/17
11:35m} a5 {-0.41/17 3:18m} 28. Qb2 {(Tac1) +0.42/16 9:08m}
Re8 {0.00/17 3:03m} 29. Rfe1 {(Dc3) +0.38/16 1:50m} Ne7
{(Kg7) +0.04/18 2:55m} 30. Rac1 {(cxd5) +0.15/15 2:15m} Bb8
{(Ld6) +0.10/17 3:18m} 31. cxd5 {+0.02/15 1:47m} cxd5
{+0.10/16 0s} 32. b4 {(Lxe7) 0.00/16 1:07m } Bf4 {(a4)
+0.29/18 3:10m} 33. Rc2 {0.00/18 1:02m } axb4 {(Db6)
+0.32/18 3:10m} 34. Qxb4 {-0.03/17 1:01m} Qd7 {+0.26/18
6:38m} 35. g5 {(Da5) -0.18/17 3:18m} f5 {+0.36/17 1:59m}
36. Bc1 {(Da5) -0.18/17 27s} Bd6 {(Tb8) +0.64/18 3:42m}
37. Qa5 {(Db3) -0.07/15 52s} Rc8 {(Kg6) +0.68/17 3:46m}
38. Ra2 {-0.39/16 1:49m} Rc7 {(Tc4) +0.70/17 4:10m} 39. Be3
{(Dd2) -0.18/15 40s} Rb8 {+0.71/17 1:49m} 40. Qd2 {-0.18/16
1:02m} Bb4 {+0.74/17 1:27m} 41. Qb2 {-0.42/18 2:39m} Qd6
{+0.81/17 4:16m} 42. Rf1 {(Tea1) -0.58/18 3:58m} f4 {(Kg7)
+0.87/18 4:57m} 43. Bc1 {-0.53/19 3:24m} Kg7 {+0.89/19
4:31m} 44. Qe2 {-0.59/19 2:52m} a5 {+0.84/19 3:59m} 45. Qh5
{-0.67/18 5:26m} Rh8 {+0.94/20 3:52m} 46. Qg4 {-0.70/18
2:47m} Ng6 {+0.93/20 9:12m} 47. Qd1 {(Td1) -0.70/20 5:55m}
Rf8 {(Tb8) +1.00/18 3:24m} 48. Qg4 {(Dh5) -0.82/19 3:30m}
Rff7 {(f3) +1.04/19 3:25m} 49. Qh5 {-0.67/17 2:44m} Kg8
{+1.04/20 4:10m} 50. Rb2 {(Td1) -0.66/19 7:46m} Rc6
{+1.16/19 2:45m} 51. Ra2 {-0.85/19 6:28m} Rh7 {+1.05/19
3:17m} 52. Qg4 {-0.91/19 4:10m} Rhc7 {+1.07/19 3:17m}
53. Ra1 {-0.91/19 1:17m} Rf7 {(a4) +1.09/19 9:20m} 54. Rd1
{-0.65/17 3:19m} Qe7 {+1.08/19 7:30m} 55. Rf1 {-0.66/17
1:07m} Qe8 {+1.10/18 6:26m} 56. Kh1 {-0.81/17 3:36m} Bc3
{+1.12/18 2:37m} 57. Ra2 {-0.83/17 1:54m} Bxd4 {(Db8)
+1.07/17 2:19m} 58. Qd1 {-0.88/16 6:26m} Rc4 {+1.15/17
2:22m} 59. Bb2 {(Txa5) -0.63/17 4:01m} Bxb2 {+1.14/17
2:15m} 60. Rxb2 {-0.63/16 0s} d4 {+1.12/18 5:03m} 61. Qh5
{-0.95/17 7:43m} Rh7 {+1.21/18 2:39m} 62. Qg4 {-1.06/16
1:53m} Re7 {+0.93/17 3:58m} 63. Qf5 {-0.92/16 3:22m} Kh7
{+1.16/17 1:45m} 64. Kh2 {(Dxa5) -1.07/16 2:52m} d3 {(Dd8)
+1.33/15 2:19m} 65. f3 {-0.86/17 3:26m} Rb4 {(Tc2) +1.19/17
4:12m} 66. Rd2 {(Txb4) -0.81/16 1:41m} Rb5 {+1.25/18 2:29m}
67. Qg4 {-1.09/16 1:23m} Ree5 {(Kg7) +1.26/18 1:43m }
68. Qh5+ {-0.79/17 1:22m} Kg8 {+1.26/17 0s} 69. fxe4
{-0.82/18 2:33m} Rxg5 {+1.26/16 0s} 70. Qd1 {-0.82/17 0s}
Ne5 {+1.15/17 1:45m} 71. Kh1 {(Tdf2) -0.81/17 1:14m} f3
{(Tg6) +1.44/17 2:24m} 72. gxf3 {-0.81/15 2:51m} Rg3
{+1.39/17 3:28m} 73. Bf5 {-0.69/16 1:32m} Qc6 {+1.39/16 0s}
74. Rxd3 {-0.69/18 1:59m} Nxd3 {+1.39/15 0s} 75. Qxd3
{-0.70/19 2:56m} Kf7 {+1.38/17 1:40m} 76. Bd7 {(Td1)
-0.69/19 4:13m} Rbg5 {+1.38/8 0s} 77. Qb3+ {(Dd2) -0.69/19
2:37m} Kg7 {+1.43/17 2:08m} 78. Bf5 {-0.69/20 1:36m} Rxf5
{+1.43/18 1:53m} 79. exf5 {-0.69/20 57s} Rh3+ {+0.93/17
1:15m} 80. Kg2 {-0.65/20 35s} Qc7 {(Dd6) +0.93/17 50s}
81. Rg1 {-0.65/20 3:15m} Rg3+ {+0.93/17 0s} 82. Kh1
{-0.65/19 0s} Rxg1+ {+0.85/19 5:36m} 83. Kxg1 {-0.65/19 0s}
Qc5+ {+0.81/19 5:16m} 84. Kg2 {-0.58/25 2:09m} Qxf5
{+0.80/19 3:23m} 85. Qc3+ {-0.58/26 1:54m} Kh7 {(Kg6)
+0.74/20 7:09m} 86. Kf2 {(Dc7+) -0.39/26 5:54m} Qd5
{+0.45/19 5:42m} 87. Qf6 {-0.29/25 4:20m} Qd2+ {+0.38/19
2:14m} 88. Kf1 {-0.28/27 1:52m} Qc1+ {(Dd3+) +0.36/19
2:22m} 89. Kf2 {-0.28/28 5:29m} Qc2+ {+0.37/19 2:11m}
90. Ke1 {-0.21/27 3:00m} Qb1+ {+0.37/20 5:44m} 91. Ke2
{(Kf2) -0.20/26 2:47m} Qb5+ {+0.35/19 3:02m} 92. Kf2
{-0.20/27 2:51m} Qb4 {+0.35/20 5:27m} 93. Qf7+ {(f4)
-0.20/27 3:50m} Kh8 {0.00/19 5:13m} 94. f4 {(Df6+) -0.20/28
3:09m} Qd4+ {(Dd2+) +0.01/18 2:19m} 95. Kf3 {(Ke2) -0.20/27
3:07m} Qd3+ {+0.01/19 2:41m} 96. Kf2 {-0.20/28 1:52m} Qg3+
{+0.01/19 2:02m} 97. Kf1 {(Ke2) -0.20/28 1:38m} Qd3+
{(Df3+) +0.01/19 2:12m } 98. Kf2 {0.00/35 2:58m} Qc2+ {(h3)
0.00/20 2:04m} 99. Ke3 {(Kf1) -0.20/25 1:41m} Qc5+ {(Dc1+)
0.00/19 2:26m} 100. Ke2 {0.00/25 1:54m} h3 {0.00/20 3:11m}
101. Qf6+ {0.00/27 2:16m} Kg8 {0.00/21 2:25m} 102. Qe6+
{0.00/28 2:19m} Kf8 {0.00/21 2:49m} 103. Qxh3 {0.00/28
1:27m} Qc2+ {0.00/21 2:32m} 104. Ke1 {0.00/29 2:58m} a4
{0.00/22 2:33m} 105. Qh6+ {(Da3+) 0.00/29 2:54m} Ke7 {(Kf7)
0.00/22 2:06m} 106. Qg7+ {(Dg5+) 0.00/27 2:06m} Ke6 {(Kd6)
0.00/23 5:15m} 107. Qe5+ {0.00/27 1:42m} Kf7 {(Kd7) 0.00/23
3:31m} 108. Qh5+ {(Dd6) 0.00/29 1:55m} Kf6 {(Ke7) 0.00/23
2:22m} 109. Qe5+ {(Dd5) 0.00/31 2:09m } Kg6 {(Kf7) 0.00/24
3:39m} 110. Qe6+ {(Dg5+) 0.00/30 3:21m} Kg7 {(Kh7) 0.00/25
3:48m} 111. Qe7+ {0.00/32 4:46m} Kg6 {0.00/25 1:42m}
112. Qg5+ {(De6+) 0.00/32 6:03m} Kf7 {(Kh7) 0.00/23 1:50m}
113. Qd5+ {(Dg4) 0.00/30 1:51m } Ke7 {(Kf8) 0.00/24 1:53m}
114. Qe5+ {0.00/29 3:37m} Kd8 {(Kd7) 0.00/24 1:32m} 115. f5
{(Dd5+) 0.00/28 2:40m} Kd7 {(Dc1+) 0.00/20 1:15m} 116. f6
{(Dg7+) 0.00/29 4:52m} Qc1+ {(Db1+) 0.00/20 1:16m} 117. Ke2
{(Kf2) 0.00/29 2:39m } Qc4+ {0.00/20 1:33m} 118. Kf3 {(Kd2)
0.00/29 3:43m} Qc6+ {0.00/20 2:02m} 119. Kf4 {(Kf2) 0.00/31
5:06m} Qd6 {0.00/22 1:58m} 120. f7 {0.00/32 4:07m} Qxe5+
{0.00/26 1:46m} 121. Kxe5 {0.00/1 0s} Ke7 {0.00/1 0s}
122. Kd4 {0.00/1 0s} Kxf7 {0.00/1 0s} 123. Kc3 {0.00/1 0s}
a3 {0.00/1 0s} 124. Kb3 {0.00/1 0s} a2 {0.00/1 0s}
125. Kxa2 {Draw accepted 0.00/59 0s} 1/2-1/2

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 7,0:6,0

Game 11

Sicilian Najdorf (English Attack)

Like almost always so far Rybka3.ctg with a deeper line, allowing white to win the b-pawn. Black has a bit of compensation, as the white king is more exposed and the c-file under control. But after exchanging soon to a R+N (and later knight) endgame the pawn up comes more into account, although it was a doubled one. Rybka showing good endgame technique gaining a won position already after move 40.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.04"]
[Round "11"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B90"]
[Result "1-0"]

1. e4 {3s} c5 {1s} 2. Nf3 {2s} d6 {1s} 3. d4 {1s} cxd4 {0s}
4. Nxd4 {1s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. Be3 {1s} e5
{0s} 7. Nb3 {0s} Be6 {0s} 8. f3 {0s} Nbd7 {0s} 9. g4 {0s}
b5 {0s} 10. g5 {0s} b4 {0s} 11. Nd5 {0s} Nxd5 {0s} 12. exd5
{0s} Bf5 {0s} 13. Bd3 {0s} Bxd3 {0s} 14. Qxd3 {0s} Be7 {0s}
15. h4 {0s} O-O {Black last book move 0s} 16. a3 {0s} a5
{-0.50/17 4:21m} 17. axb4 {0s} axb4 {-0.50/16 0s} 18. Rxa8
{0s} Qxa8 {-0.50/15 0s} 19. Ke2 {White last book move 0s}
f5 {-0.36/18 3:59m} 20. Qb5 {(Ra1) +0.45/20 4:27m} Qc8
{-0.45/19 5:09m} 21. Kd2 {(Kd1) +0.49/20 3:07m} Qc7
{-0.61/19 5:33m} 22. Qxb4 {+0.51/21 8:23m} Rc8 {-0.68/19
9:46m} 23. Rc1 {+0.51/22 10:30m} Bd8 {-0.54/19 5:22m}
24. Ke2 {+0.56/21 8:22m} Rb8 {-0.54/20 5:40m} 25. Qc3
{(Qa4) +0.50/21 5:03m} Qxc3 {-0.71/20 7:55m} 26. bxc3
{+0.50/20 0s} Bb6 {-0.70/21 4:13m} 27. Nd2 {+0.56/24
14:14m} Bxe3 {-0.69/21 8:20m} 28. Kxe3 {+0.56/22 0s} Rb5
{-0.73/21 4:13m} 29. c4 {+0.63/24 5:55m} Ra5 {-0.71/21
4:22m} 30. Rb1 {+0.63/24 2:38m} Ra2 {-0.67/21 5:17m}
31. Kd3 {+0.63/24 4:54m} Kf7 {(Kf8) -0.66/20 3:35m} 32. Rb7
{+0.67/22 3:20m} Ke8 {-0.68/21 6:09m} 33. Nb3 {+0.55/22
5:12m} Kd8 {-0.68/20 3:49m} 34. Rb5 {(h5) +0.69/23 12:52m}
Ra4 {(e4+) -0.62/20 4:21m} 35. Ra5 {+0.71/24 4:50m} Rxa5
{-0.62/21 4:01m} 36. Nxa5 {+0.71/22 0s} Kc7 {-0.62/22
4:01m} 37. Nc6 {+0.70/27 10:16m} g6 {-0.59/23 3:08m}
38. Kc3 {(Na7) +0.76/27 2:57m} Kc8 {(Nc5) -0.72/22 5:02m}
39. Kb4 {(Nb4) +1.40/25 5:39m} Nc5 {-0.62/22 2:20m}
40. Ne7+ {(h5) +1.38/26 5:33m} Kd8 {-1.14/22 2:37m} 41. Ng8
{+1.38/24 0s} f4 {(e4) -1.34/23 8:46m} 42. Kc3 {+1.46/27
4:04m} Na4+ {(e4) -1.48/23 4:33m} 43. Kd2 {+2.12/25 3:49m}
Nb2 {-2.04/23 18:19m} 44. c5 {+1.46/24 0s} dxc5 {-2.04/23
0s} 45. Nf6 {+2.12/26 3:34m} Nc4+ {-2.33/23 6:31m} 46. Kd3
{+2.12/25 0s} Nd6 {-2.33/23 0s} 47. Ng4 {+2.12/27 2:50m}
Ke7 {-2.71/23 11:49m} 48. Nxe5 {+2.12/25 0s} Nf5 {-2.86/24
4:57m} 49. Ke4 {+3.87/27 34:16m} Nxh4 {(Ng3+) -2.86/24
3:41m} 50. c3 {+4.27/27 7:59m} Ng2 {-3.65/23 4:45m}
51. Nc6+ {+4.27/25 0s} Kd7 {-3.84/23 2:55m} 52. Na5
{+4.27/24 0s} Kc7 {(Ne3) -4.30/25 6:58m} 53. Ke5 {+4.78/26
4:51m} Nh4 {-4.48/23 3:24m} 54. Kxf4 {(Ke6) +4.98/27
19:25m} Kd7 {-4.48/23 2:07m} 55. Ke4 {+4.98/26 13:11m} Nf5
{-5.06/23 3:21m} 56. Nb7 {+4.78/23 0s} c4 {-5.92/22 3:48m}
57. Ke5 {+5.10/25 0s} 1-0

Game 12

Sicilian Najdorf (6.Be2)

This has been Karpov´s favourite move. Both engines got 18 moves from their books, when Rybka suffered for a long time from a bad bishop on a8. There is an alternative on move 18 in playing the other rook to b8 Both moves can be found in GM games.

Zappa nicely sacrficed a pawn with 40.h5 in order to invade with bishop and queen via the diagonals e1-h4 and h4-d8, later putting pressue on the diagonal h3-c8 and temporarily sacrificing a bishop which it gained quickly back by advancing the d-pawn. But after this Zappa was left with a passed c-pawn and a strong bishop and could also conquer the a-pawn and Rybka had to resign. Outstanding game by Zappa.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "12"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B92"]
[Result "1-0"]

1. e4 {1s} c5 {1s} 2. Nf3 {1s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {1s} 6. Be2 {0s} e5
{0s} 7. Nb3 {0s} Be7 {0s } 8. O-O {0s} O-O {0s} 9. Kh1 {0s}
b6 {0s} 10. Be3 {0s} Bb7 {0s} 11. f3 {0s} b5 {0s} 12. a4
{0s} b4 {0s} 13. Nd5 {0s} Nxd5 {0s} 14. exd5 {0s} Nd7 {0s}
15. c3 {0s} bxc3 {0s} 16. bxc3 {0s} Bg5 {0s} 17. Bf2 {0s}
Qc7 {0s} 18. c4 {0s} Rab8 {Both last book move 0s} 19. Qd3
{+0.03/18 7:49m} Rfd8 {(Ba8) +0.23/19 5:34m} 20. Rab1
{+0.06/17 4:55m} Ba8 {+0.20/20 5:56m} 21. Rfd1 {+0.12/18
4:36m} g6 {(Bf4) +0.12/20 17:21m} 22. a5 {+0.21/19 11:23m}
Rdc8 {(Bf4) +0.11/20 6:02m} 23. Qc2 {(Qc3) +0.26/18 4:07m}
Nf6 {(Rd8) 0.00/20 3:49m} 24. Qa2 {(Bb6) +0.43/19 5:47m}
Qd7 {(e4) -0.07/18 10:13m} 25. Nd2 {+0.70/19 4:42m} Qf5
{-0.07/19 1:53m} 26. Rxb8 {+0.70/19 10:27m} Rxb8 {-0.07/17
0s} 27. Bb6 {(Kg1) +0.68/19 3:59m} Rc8 {-0.22/19 4:52m}
28. Qb3 {+0.75/19 5:44m} Bxd2 {-0.28/19 4:56m} 29. Rxd2
{+0.75/18 0s} Nd7 {-0.31/20 3:42m} 30. Qb4 {(Rb2) +0.76/20
6:52m} Qg5 {(Qf6) -0.28/20 5:38m} 31. Rd1 {(g3) +0.76/21
4:46m} Qe7 {-0.27/21 4:46m} 32. Be3 {(Rb1) +0.75/20 6:02m}
f5 {(f6) -0.26/21 4:31m} 33. Bf2 {(Qd2) +0.81/19 5:15m} f4
{(Kg7) -0.32/20 8:44m} 34. Kg1 {(Qd2) +0.82/21 4:53m} Kg7
{-0.33/20 8:12m} 35. Bd3 {(Qd2) +0.82/22 5:16m} Qf6 {(Rc7)
-0.41/18 4:19m} 36. Rb1 {+0.90/20 3:43m} Rc7 {(Qf8)
-0.52/18 4:52m} 37. h4 {(g3) +0.90/21 4:11m} Rc8 {(Kh6)
-0.24/20 2:55m} 38. Qa4 {(Qe1) +0.90/20 3:14m } Qf7
{-0.24/21 5:49m} 39. Qb3 {(Qa3) +0.90/21 3:21m} Rc7 {(Kh6)
-0.24/19 2:25m} 40. h5 {(Qb4) +0.90/19 2:58m} gxh5
{-0.50/20 3:04m} 41. Qb4 {+0.97/20 7:18m} Qf6 {-0.62/19
4:23m} 42. Qe1 {+1.00/20 3:59m} Rc8 {-0.62/20 2:44m}
43. Bh4 {(Qe4) +1.02/21 9:08m} Qf7 {-0.30/15 0s} 44. Rb4
{(Qe4) +1.03/21 11:27m} Kg8 {-0.67/18 3:49m} 45. Bb1 {(Qb1)
+1.18/20 3:50m} Kf8 {(Kh8) -0.67/19 35:00m} 46. Qf2 {(Be4)
+1.24/20 2:45m} Rc5 {-1.75/19 11:55m} 47. Bd8 {(Bg5)
+1.51/20 3:18m} Rc8 {-1.75/18 2:22m} 48. Qh4 {+1.73/20
3:37m} Ke8 {-1.75/19 19:14m} 49. Bb6 {(Bg5) +1.94/19 3:38m}
h6 {-1.77/15 2:25m} 50. Qh3 {+2.31/19 2:51m} Rb8 {-2.22/17
2:51m} 51. Bc5 {+2.31/18 0s} Rxb4 {-2.41/19 2:00m} 52. Bxb4
{+2.31/17 0s} Ke7 {-2.44/19 1:46m} 53. Bf5 {+2.31/16 0s}
Nf6 {-2.44/19 56s} 54. Bg6 {+2.31/15 0s} Qxg6 {-2.44/20
1:38m} 55. Qe6+ {+2.31/14 0s} Kf8 {-2.44/19 0s} 56. Bxd6+
{+2.31/14 0s} Kg7 {-2.44/19 0s} 57. Bxe5 {+2.31/14 0s} Qg5
{(Qb1+) -2.64/20 1:22m} 58. d6 {(Qd7+) +5.18/18 4:22m} Bc6
{-4.50/20 1:36m} 59. d7 {+5.18/18 0s} Bxd7 {-4.50/19 0s}
60. Qxd7+ {+5.18/18 0s} Kg6 {-4.63/20 1:13m} 61. Qd6
{+5.18/18 0s} Kf7 {-4.63/20 8:16m} 62. Bc3 {(Bd4) +5.18/17
0s} Ne8 {-4.30/17 47s} 63. Qxa6 {+5.18/16 0s} Qe7 {-4.73/18
1:08m} 64. Qb6 {+5.18/15 0s} Nc7 {(h4) -4.99/19 3:20m}
65. Bb4 {(Bd2) +5.31/14 0s} Qe3+ {(Qd7) -5.44/16 3:54m}
66. Kh2 {+7.97/20 4:34m} 1-0

Game 13

Sicilian (Richter Rauser)

Rybka already with a huge advantage a few moves after leaving the books. So let´s see. Zappa out of book on move 20 when the Rybka book line continues with 20..Rc7 and then with alternative lines 21.Rc1 or 21.Rhd1.still including subvariations up to more than 30 moves.

Anyway moving the g rook to and fro does not make a lot of sense when White just can win not less than three pawns with a little combination. Have to check how Rybka would defend the black position on move 20 to 24 without her book or maybe someone else will have some free CPU time to check this?

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "13"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B67"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s } 3. d4 {0s} cxd4
{0s} 4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} Nc6 {0s} 6. Bg5 {0s}
e6 {0s} 7. Qd2 {0s} a6 {0s} 8. O-O-O {0s} Bd7 {0s} 9. f4
{0s} b5 {0s} 10. Bxf6 {0s} gxf6 {0s} 11. Kb1 {0s} Qb6 {0s}
12. Nxc6 {0s} Bxc6 {0s} 13. f5 {0s} Qc5 {0s} 14. Bd3 {0s}
b4 {0s} (14... O-O-O {The most natural move in the
position, even though one of the main experts in this line,
the Croatian GM Kozul came up with 14...b4!? in the latest
game played in this line.} 15. a4 $5 $146 {Immediately
starting active play on the queenside.} (15. Rhf1 Be7
16. Qe2 Kb8 17. a4 bxa4 18. Bxa6 Ka7 19. Bb5 Bxb5 20. Nxb5+
Kb6 21. Na3 Rb8 22. Ka2 Kc7 23. Rf3 $36 {1/2-1/2
Murariu,A-Lupulescu,C/Bucharest 2006 (61)}) 15... bxa4
{Black doesn't have much choice as after} (15... b4
16. Bxa6+ Kb8 17. Na2 d5 18. Bb5 Bxb5 19. axb5 Qxb5
20. fxe6 fxe6 21. Qf4+ $16 {White just wins a pawn for no
real compensation.}) 16. Bxa6+ Kc7 17. Qd4 Qxd4 $2 {I guess
this move could be regarded as the decisive mistake.
White's rook is perfectly placed on d4, so Black won't
manage to avoid the loss of the pawn on a4. It was
necessary to play} (17... Be7 18. Bc4 Qxd4 19. Rxd4 Kd7 $13
{and Black is in time to protect all his weaknesses.})
18. Rxd4 $16 Rg8 19. g3 Rb8 20. Rhd1 Be7 {Other moves would
have hardly been better.} (20... Rb6 21. Bc4 Kd7 22. Be2 $1
a3 23. b3 $16) (20... Ra8 21. Bb5 $16) 21. Rc4 $1 Rb6
{Unfortunately} (21... Kb6 {doesn't work for Black}
22. Nxa4+ $1 Bxa4 23. Rxa4 Ra8 24. Rb4+ Kxa6 (24... Kc5
25. Rb7 $18) 25. Rd3 Ka5 26. Rb7 $18) 22. Bb5 {The pawn on
a4 is doomed.} Rgb8 23. Rxc6+ Rxc6 24. Bxc6 Kxc6 25. Rd4 $1
(25. Nxa4 $6 Rb4 26. Nc3 Bd8 $14) 25... a3 26. Rc4+ Kd7
27. b3 h5 28. Ra4 Rb7 (28... Rc8 29. Nb5) 29. Rxa3 d5
30. Ra4 dxe4 31. Rxe4 $18 {The rest is a matter of
technique.} Rb4 (31... Bd6 32. Rh4 $18) 32. Rxb4 Bxb4
33. Ne2 Be1 34. c3 Kd6 35. Kc2 h4 36. gxh4 Bxh4 37. Kd3 Ke5
38. Nd4 $1 {The most accurate move in the position. White
doesn't give Black the slightest chance to fight for a
draw.} Bf2 39. h4 Kf4 (39... Bxh4 40. Nf3+ $18) 40. fxe6
fxe6 41. Nxe6+ Kg4 42. c4 Bxh4 43. c5 Kf5 44. Nd4+ Kg4
45. c6 Bg3 46. b4 f5 47. b5 Bc7 48. Ne6 {1-0 Vachier
Lagrave,M-Timofeev,A/Moscow 2006/CBM 112/[Avrukh,B] })
(14... h5 $6 15. Qe1 O-O-O (15... b4 16. Nd5 Bxd5 17. exd5
e5 18. c3 a5 19. Qg1 Qxg1 20. Rhxg1 $14 {1-0
Solak,D-Kozul,Z/Bled 2005 (67)}) 16. Rf1 Bh6 17. fxe6 fxe6
18. Rxf6 Qe5 19. Qf2 Bb7 20. Rf7 Rhf8 21. a3 Rxf7 22. Qxf7
Rf8 23. Qg6 Be3 24. Be2 $16 {1-0 Lastin,A-Palac,M/Panormo
2001 (37)}) 15. Ne2 {0s} e5 {0s} 16. Ng3 {0s} Rg8 {0s}
(16... Ke7 17. Bc4 (17. Nh5 $5) 17... h5 18. Bd5 Rc8
19. Bxc6 Rxc6 20. Rhe1 Bh6 $132 {0-1
Erenburg,S-Kozul,Z/Kusadasi 2006 (33)}) 17. Qe2 {0s} a5
{0s} 18. Bc4 {0s} Rc8 {0s} 19. b3 {0s} a4 {0s} 20. Rd3
{Both last book move 0s} Rg5 {-0.34/20 11:20m} 21. Nh5
{(Rhd1) +0.79/19 6:38m} Be7 {-0.54/19 5:09m} 22. g4 {(Rhd1)
+0.86/19 3:52m} Rg8 {-0.53/18 5:05m} 23. Rhd1 {+0.87/19
13:13m} h6 {(Qa7) -0.58/18 12:44m} 24. h3 {+0.87/19 5:04m}
Rg5 {(Bb7) -0.59/19 4:26m} 25. Nxf6+ {(Qe3) +2.00/17 7:25m}
Bxf6 {-1.70/19 13:45m } 26. Rxd6 {+2.00/16 0s} Be7
{-1.73/20 10:02m} 27. Rxh6 {+2.00/16 0s} Bf8 {(Rg8)
-1.77/19 9:06m} 28. Rxc6 {+2.20/15 0s} Rxc6 {-1.77/19 0s}
29. Bb5 {+2.67/20 3:12m} Be7 {(Bd6) -1.75/20 4:14m} 30. Qc4
{+3.24/22 6:26m} Qxc4 {-1.94/21 3:22m} 31. bxc4 {+3.57/22
5:25m} Kf8 {-2.11/22 5:21m} 32. Bxc6 {+3.77/22 25:11m} a3
{(Rg8) -2.21/22 5:11m} 33. Rd5 {(c3) +4.17/23 6:48m} Rg7
{-2.31/22 8:16m} 34. Rxe5 {(c3) +4.17/21 0s} Rh7 {-2.11/21
7:19m} 35. Ra5 {+4.17/20 0s} Rxh3 {-2.99/20 4:53m} 36. e5
{+4.17/19 0s} Kg8 {(Re3) -3.42/20 3:15m } 37. f6 {+5.10/21
5:10m} Bf8 {-3.42/20 2:10m} 38. Kc1 {(Bd5) +4.99/18 0s} Rc3
{(Re3) -3.44/18 1:27m} 39. Bd5 {+5.11/18 0s} b3 {-3.37/18
58s} 40. axb3 {+5.42/16 11:42m} Re3 {-3.43/17 32s} 41. Ra7
{(c3) +5.30/15 2:44m} Bc5 {-4.32/19 9:45m} 42. Ra8+
{+5.64/14 5:48m} Kh7 {-4.32/18 0s} 43. Bxf7 {+5.33/14
3:14m} Rxe5 {(Re1+) -5.94/18 6:08m} 44. c3 {+5.63/14 3:41m}
Be3+ {-6.31/18 5:54m} 45. Kb1 {+7.20/15 8:28m} 1-0

Kind Regards
Heinz

By Heinz van Kempen (***)

Date 2008-09-05 19:31 Edited 2008-09-05 19:50

Hi everybody :-),

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 10,0:5,0

Game 14

Sicilian (English Attack)

A sideline with 9.g4 where the Rybka3.ctg has only stored 13 moves, maybe because Jeroen saw that this is a bad line for White which Rybka would refute easily..

After the book moves both engines gave a clear advantage for Black with around one pawn unit, which increased with more moves. Judging the position after move 17..0-0, when Zappa was also out of book, I would also prefer clearly Black with no real pawn weaknesses like White had in the c-file (isolated doubled pawns) and with the isolated pawns on a and h plus the backward pawn on f3..
Compared to this the half-open g-file and the weakened b6 square seems to be nothing. Sedat should remove this line for white, because in the games I found black was always successful. The game was already decided before the rook exchange when the black king could go for a pleasant walk into white´s camp.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "14"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B90"]
[Result "0-1"]

1. e4 {2s} c5 {2s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s} 6. f3 {0s} e5
{0s} 7. Nb3 {0s} Be6 {0s } 8. Be3 {0s} Be7 {0s} 9. g4 {0s}
d5 {0s} 10. g5 {0s} d4 {0s} 11. gxf6 {0s} Bxf6 {0s} 12. Bf2
{0s} dxc3 {0s} 13. Qxd8+ {0s} Bxd8 {Black last book move
0s} 14. bxc3 {0s} Nd7 {+0.88/21 3:25m} 15. O-O-O {0s} Rc8
{+0.93/20 3:01m} 16. Kb2 {0s} Rc6 {+0.94/20 4:15m} 17. Rg1
{White last book move 0s} O-O {+1.06/18 2:10m} 18. c4
{-0.85/17 4:45m} Be7 {(a5) +1.16/19 9:45m} 19. Na5
{-0.79/17 5:26m} Rc7 {(Tcc8) +1.14/19 3:29m} 20. Nb3
{-0.82/19 5:02m} Rd8 {(g6) +1.15/19 5:09m} 21. Rg2 {(c3)
-0.90/17 4:24m} Bxc4 {+1.19/20 4:00m} 22. Bxc4 {-0.94/19
4:43m} Rxc4 {+1.20/21 3:03m} 23. Be3 {-0.96/19 6:30m} Nb6
{(Kf8) +1.34/20 4:35m} 24. Rxd8+ {-1.03/21 7:26m } Bxd8
{+1.34/19 0s} 25. Rd2 {(Lxb6) -1.05/21 6:42m} Na4+
{+1.60/21 2:07m} 26. Kc1 {(Kb1) -1.08/22 8:29m} Bc7
{+1.67/22 4:42m} 27. Rd5 {(Td7) -1.07/21 6:35m} b6
{+1.65/22 2:19m} 28. Rd3 {-1.10/21 6:13m} Kf8 {(Tc6)
+1.67/23 4:38m} 29. Nd2 {-1.15/21 4:38m} Rc6 {+1.70/23
2:18m} 30. Nf1 {(c4) -1.15/21 10:26m} Ke8 {+1.73/22 2:21m}
31. Bd2 {-1.19/20 4:02m} Nc5 {+1.73/23 9:00m} 32. Rc3
{-1.22/20 2:55m} Kd7 {+1.73/22 2:55m} 33. Kd1 {-1.22/21
2:59m} Rg6 {(Se6) +1.82/23 17:11m} 34. Ng3 {-1.23/19 2:50m}
Bd6 {+1.85/22 2:59m} 35. Ke1 {-1.24/20 4:06m} Bf8 {(Se6)
+1.79/21 3:48m} 36. Ke2 {-1.24/19 3:25m} Ne6 {+1.79/22
9:33m} 37. Kf1 {(Le3) -1.40/20 6:07m} Bc5 {+1.83/22 1:43m}
38. Rd3+ {-1.43/20 2:26m} Kc6 {+1.83/21 1:44m} 39. c3
{(Le3) -1.46/20 3:16m} h5 {+2.21/24 5:50m} 40. Ne2
{-1.60/21 2:11m} h4 {+2.21/24 3:30m} 41. h3 {-1.71/21
3:24m} Kb5 {+2.42/23 3:10m} 42. Rd5 {(Lc1) -2.23/21 4:52m}
Rf6 {+2.59/24 7:17m} 43. Kg2 {-2.34/20 2:50m} Kc4 {+2.59/22
0s} 44. Rd7 {(Lc1) -2.22/21 4:35m} Nf8 {(Sf4+) +3.70/23
3:39m} 45. Rd5 {-2.62/21 2:31m} Rd6 {+3.70/21 0s} 46. Rxd6
{-3.17/22 6:26m} Bxd6 {+3.70/20 0s} 47. Kf1 {(Lg5) -3.45/22
4:07m} Ne6 {(Kd3) +3.88/23 1:40m } 48. Ke1 {-3.49/22 3:05m}
Kd3 {+3.88/21 0s} 49. Nc1+ {(Kd1) -3.60/22 2:42m} Kc2
{+3.92/20 0s} 50. Ke2 {-3.83/23 5:33m} Nf4+ {+3.92/19 0s}
51. Bxf4 {-3.83/22 0s} exf4 {+3.92/19 0s} 52. Nd3 {-3.83/22
0s} f6 {+5.02/26 3:01m} 53. c4 {-4.21/25 4:37m} Kc3
{+5.02/24 0s} 54. Nf2 {(Sc1) -4.89/25 4:11m} Kxc4 {+5.12/21
1:58m} 55. Kd2 {(Sd3) -5.89/25 5:39m} b5 {(Kd4) +5.02/21
0s} 0-1

Game 15

Caro Kann (Advance Variation

This one left me a bit confused. The same game was produced than with Rybka 3 Human. Okay, this were only 16 calculated moves after the book line and some were forced. Like with Rybka 3 Human evalution in this short draw was always 0.00, but calculation time for each move was considerably different mostly, what in some cases already caused depth differing by one ply. We will see when this will happen again in a longer game. At least a first indication that both versions might not be very different, but I may be mistaken here. Surely someone has positions where the versions differ considerably in choice of moves, evaluation and main line.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "15"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B12"]
[Result "1/2-1/2"]

1. e4 {0s} c6 {0s} 2. d4 {0s} d5 {0s} 3. e5 {0s} Bf5 {0s}
4. Nc3 {0s} e6 {0s } 5. g4 {0s} Bg6 {0s} 6. Nge2 {0s} Ne7
{0s} 7. f4 {0s} h5 {0s} 8. f5 {0s} exf5 {0s} 9. g5 {0s} c5
{0s } 10. dxc5 {0s} Nec6 {Black last book move 0s} 11. Bg2
{0s} d4 {-0.03/17 3:12m} 12. Nd5 {0s} Bxc5 {-0.12/17 6:05m}
13. b4 {0s} Bb6 {-0.11/17 3:15m} 14. b5 {0s} Nxe5 {-0.07/18
3:15m} 15. Nxb6 {White last book move 0s} Qxb6 {0.00/19
7:38m} 16. Qxd4 {0.00/19 5:23m} Qxb5 {+0.02/18 7:35m}
17. a4 {0.00/19 3:57m} Qa5+ {+0.02/18 0s} 18. Bd2 {0.00/18
0s} Qc7 {+0.02/18 0s} 19. Bxb7 {0.00/20 8:04m} Nbc6
{+0.02/17 0s} 20. Bxc6+ {0.00/19 0s} Nxc6 {+0.02/16 0s}
21. Qxg7 {0.00/21 2:55m} O-O-O {+0.02/16 0s} 22. O-O-O
{0.00/21 8:25m} Rhe8 {+0.02/15 0s} 23. Bf4 {0.00/21 5:31m}
Qa5 {0.00/21 5:44m} 24. Qc3 {(Txd8+) 0.00/20 2:56m} Qxa4
{0.00/20 3:35m} 25. Nd4 {(Txd8+) 0.00/20 3:39m} Kb7 {0.00/9
0s} 26. Nxc6 {0.00/21 5:18m} Qxc6 {0.00/20 4:11m} 27. Qb3+
{(Db4+) 0.00/21 3:04m} Qb6 {0.00/22 7:17m} 28. Qa4 {(Df3+)
0.00/22 7:10m} Qc6 {0.00/21 3:34m} 29. Qb3+ {(Db4+) 0.00/23
5:05m} Qb6 {(Ka6) 0.00/23 9:37m} 30. Qf3+ {0.00/23 10:15m}
Qc6 {0.00/23 6:42m} 31. Qb3+ {Draw accepted 0.00/24 3:57m}
1/2-1/2

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 8,0:7,0

Game 14

Nimzo Indian (Rubinstein Variation 4.e3)

9.Qb3 is a bit of an exotic line in the Perfect 13 book. Like in most games I found White does not get anything from this move in this game. Clearly the main variation is 9.Qe2 and also 9.a3 and 9.Bd2 can be found more often. After 9..Qe7 being one of four alternatives in Jeroen´s book, Zappa already had to calculate. The Rybka book line continues 10.Rd1 Nb6 11.Be2 and then 11..cd4: or Bd7, etc.

A lot of quick exchanges and an endgame knight vs. bishop on move 32 with all pawns at the same flank what usually gives no advantage to the bishop. So Zappa could hold a draw here.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.06"]
[Round "14"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "E55"]
[Result "1/2-1/2"]

1. d4 {+M-2767/0 0s} Nf6 {-M-2767/0 0s } 2. c4 {+M-2767/0
0s} e6 {-M-2767/0 0s} 3. Nc3 {+M-2767/0 0s} Bb4 {-M-2767/0
0s} 4. e3 {+M-2767/0 0s} O-O {-M-2767/0 0s} 5. Bd3
{+M-2767/0 0s} d5 {-M-2767/0 0s} 6. Nf3 {+M-2767/0 0s} c5
{-M-2767/0 0s} 7. O-O {+M-2767/0 0s} dxc4 {-M-2767/0 0s}
8. Bxc4 {+M-2767/0 0s} Nbd7 {-M-2767/0 0s} 9. Qb3 {White
last book move +M-2767/0 0s} Qe7 {-M-2767/0 0s} 10. Rd1
{+0.13/16 2:50m} Nb6 {Black last book move -M-2767/0 0s}
11. Bd3 {+0.14/17 2:47m} Bd7 {-0.03/17 3:14m} 12. a4
{+0.09/17 3:01m} a5 {(Tac8) +0.07/18 3:55m} 13. dxc5
{+0.13/18 3:41m} Qxc5 {+0.08/19 2:40m} 14. Bd2 {(h3)
+0.04/18 2:59m} Rfd8 {+0.13/19 3:07m} 15. Ne4 {-0.07/18
4:52m} Nxe4 {+0.15/20 3:00m} 16. Bxe4 {-0.07/17 0s} Qc4
{+0.14/21 4:44m} 17. Qxc4 {-0.11/19 3:36m} Nxc4 {+0.14/19
0s} 18. Bxb4 {-0.06/19 2:58m} axb4 {+0.14/19 0s} 19. Rd4
{(h3) -0.10/19 8:30m} Nxb2 {+0.13/20 2:14m} 20. h4
{-0.06/19 6:50m} Nxa4 {+0.13/22 7:04m} 21. Bxb7 {-0.06/18
0s} Rab8 {+0.13/21 0s} 22. Rxb4 {-0.06/18 0s} Nc5 {+0.14/22
2:24m} 23. Rab1 {-0.06/17 0s} f6 {(Sxb7) +0.12/24 9:41m}
24. Nd4 {0.00/20 3:23m} Nxb7 {(Kf8) +0.08/23 3:01m}
25. Rxb7 {0.00/13 0s} Rxb7 {+0.08/25 2:22m} 26. Rxb7
{-0.01/13 0s} e5 {+0.09/25 4:04m} 27. Nb3 {0.00/22 4:15m}
Bc6 {+0.09/25 3:04m} 28. Rc7 {0.00/23 4:37m} Rd6 {(Ld5)
+0.09/25 4:45m} 29. Kh2 {(Sc5) 0.00/21 4:06m} Be8 {(h5)
+0.10/23 4:51m} 30. g4 {(Kg3) 0.00/20 3:50m} Rc6 {+0.18/24
2:47m} 31. Rxc6 {0.00/22 3:42m} Bxc6 {+0.18/22 0s} 32. h5
{(Sa5) 0.00/26 3:59m} Kf7 {+0.19/31 5:29m} 33. Nc5 {(Kg3)
0.00/27 6:19m} Ke7 {(g6) +0.20/31 5:33m} 34. Kg3 {0.00/26
3:35m} Kd6 {(Ld5) +0.19/31 7:06m} 35. Na6 {(Sb3) 0.00/25
5:41m} Bd7 {(Lb5) +0.20/27 4:28m} 36. f3 {(Sb4) -0.11/26
8:05m} e4 {+0.21/28 4:04m} 37. fxe4 {(f4) -0.11/25 3:12m}
Bb5 {+0.16/32 5:16m} 38. Nb4 {-0.04/26 5:32m} Ke5 {+0.15/33
4:26m} 39. Nd5 {(Kf3) -0.11/25 3:22m} Bc6 {(Ld3) +0.17/32
9:59m} 40. Kf3 {-0.01/25 2:58m} Ba4 {+0.17/33 2:29m}
41. Nb6 {(Sc7) -0.02/24 3:45m} Bd1+ {+0.17/31 2:53m}
42. Kg3 {-0.02/23 0s} Kxe4 {+0.17/32 3:07m} 43. Nc4
{0.00/24 2:25m} Be2 {(g5) +0.17/31 4:56m} 44. Nd6+ {0.00/25
4:03m} Ke5 {(Kxe3) +0.17/33 3:05m} 45. Nf5 {0.00/25 2:18m}
g5 {(g6) +0.17/33 2:03m} 46. hxg6 {0.00/27 3:25m} hxg6
{+0.17/32 0s} 47. Nd4 {0.00/28 2:36m} Bd1 {(Ld3) +0.17/34
2:05m} 48. Nf3+ {(g5) 0.00/28 2:24m} Kd6 {(Lxf3) +0.25/35
2:55m} 49. e4 {(Kf4) 0.00/28 2:38m} Bxf3 {(Lb3) +3.25/38
4:49m} 50. Kxf3 {0.00/22 0s} Ke5 {(Ke6) +3.25/48 3:20m}
51. g5 {0.00/26 0s} f5 {(fxg5) 0.00/59 1:59m} 52. exf5
{0.00/62 0s} Kxf5 {0.00/1 0s} 53. Kf2 {0.00/1 0s} Kxg5
{0.00/1 0s} 54. Kg3 {0.00/1 0s} Kf5 {0.00/1 0s} 55. Kf3
{0.00/1 0s} g5 {0.00/1 0s} 56. Kg3 {0.00/1 0s} g4 {0.00/1
0s} 57. Kg2 {0.00/1 0s} Kf4 {0.00/1 0s} 58. Kf2 {0.00/1 0s}
g3+ {0.00/1 0s} 59. Kg1 {0.00/1 0s} Kf5 {0.00/1 0s} 60. Kf1
{0.00/1 0s} Kg5 {0.00/1 0s} 61. Kg1 {0.00/1 0s} Kf4 {0.00/1
0s} 62. Kg2 {0.00/1 0s} Kg4 {0.00/1 0s} 63. Kg1 {0.00/1 0s}
Kf3 {0.00/1 0s} 64. Kf1 {0.00/1 0s} Ke3 {0.00/1 0s} 65. Kg1
{0.00/1 0s} Ke4 {0.00/1 0s} 66. Kg2 {0.00/1 0s} Kf4 {0.00/1
0s} 67. Kg1 {0.00/1 0s} Kg5 {0.00/1 0s} 68. Kf1 {0.00/1 0s}
Kg4 {0.00/1 0s} 69. Kg1 {0.00/1 0s} Kf4 {0.00/1 0s} 70. Kg2
{0.00/1 0s} Kg4 {0.00/1 0s} 71. Kg1 {Draw accepted 0.00/1
0s} 1/2-1/2

Game 15

Caro Kann (3.Nc3 4..Bf5)

Same line as in game 9, but the Perfect book comes up with an alternative on move 22. On move 33 we have already an endgame with bishops of the same color and six pawns each side. A lot of moving to and fro and nothing really happened over 130 moves.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "1"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B19"]
[Result "1/2-1/2"]

1. e4 {+M-2767/0 0s} c6 {-M-2767/0 0s} 2. d4 {+M-2767/0 0s}
d5 {-M-2767/0 0s} 3. Nc3 {+M-2767/0 0s} dxe4 {-M-2767/0 0s}
4. Nxe4 {+M-2767/0 0s} Bf5 {-M-2767/0 0s} 5. Ng3 {+M-2767/0
0s} Bg6 {-M-2767/0 0s} 6. h4 {+M-2767/0 0s} h6 {-M-2767/0
0s} 7. Nf3 {+M-2767/0 0s} Nd7 {-M-2767/0 0s} 8. h5
{+M-2767/0 0s} Bh7 {-M-2767/0 0s} 9. Bd3 {+M-2767/0 0s}
Bxd3 {-M-2767/0 0s} 10. Qxd3 {+M-2767/0 0s} e6 {-M-2767/0
0s} 11. Bf4 {+M-2767/0 0s} Ngf6 {-M-2767/0 0s} 12. O-O-O
{+M-2767/0 0s} Be7 {-M-2767/0 0s} 13. Kb1 {+M-2767/0 0s}
O-O {-M-2767/0 0s} 14. Ne4 {+M-2767/0 0s} Nxe4 {-M-2767/0
0s} 15. Qxe4 {+M-2767/0 0s} Nf6 {-M-2767/0 0s} 16. Qe2
{+M-2767/0 0s} Qd5 {-M-2767/0 0s} 17. Ne5 {+M-2767/0 0s}
Qe4 {-M-2767/0 0s} 18. Qxe4 {+M-2767/0 0s} Nxe4 {-M-2767/0
0s} 19. Rhe1 {+M-2767/0 0s} Nf6 {-M-2767/0 0s} 20. g4
{+M-2767/0 0s} Bd6 {-M-2767/0 0s} 21. Bg3 {+M-2767/0 0s}
Rfd8 {-M-2767/0 0s} 22. f3 {+M-2767/0 0s} Rac8 {-M-2767/0
0s} 23. c4 {Both last book move +M-2767/0 0s} Bb4 {-0.34/21
21:40m} 24. Re3 {+0.31/21 10:02m} Be7 {-0.32/21 10:06m}
25. Red3 {(Kc2) +0.33/21 5:38m} Nd7 {-0.29/21 11:46m}
26. a4 {(Kc2) +0.32/21 3:26m} a6 {(Kf8) -0.27/21 7:56m}
27. Kc2 {(Lf4) +0.26/21 6:42m } Kf8 {(b5) -0.33/21 17:59m}
28. a5 {(f4) +0.43/21 6:10m} Nxe5 {(Lg5) -0.34/21 6:34m}
29. dxe5 {+0.43/25 5:07m} Rxd3 {-0.39/22 4:07m} 30. Rxd3
{+0.51/25 3:06m} Ke8 {(Td8) -0.54/22 6:12m} 31. Be1
{+0.51/26 3:38m} Rd8 {-0.56/22 4:10m} 32. Bd2 {(Txd8+)
+0.51/27 3:36m} Bc5 {(Txd3) -0.56/23 4:09m} 33. Rxd8+
{+0.51/28 6:01m} Kxd8 {-0.56/22 0s} 34. Kd3 {+0.50/29
10:30m} Ke7 {(Ke8) -0.56/24 3:46m} 35. b4 {(f4) +0.55/28
6:32m} Bf2 {-0.55/23 2:18m} 36. Be3 {(f4) +0.55/28 5:20m}
Be1 {(Lg3) -0.51/23 2:50m} 37. Bc5+ {(Ld2) +0.55/29 6:41m}
Ke8 {-0.50/12 0s} 38. f4 {+0.55/29 5:39m} Bg3 {(Lh4)
-0.54/24 2:46m} 39. Ke4 {+0.55/31 10:47m} Be1 {(Lh4)
-0.54/24 2:49m} 40. Ke3 {+0.49/30 13:47m} Bg3 {(Lh4)
-0.54/25 3:37m} 41. Kf3 {+0.49/29 3:23m} Be1 {-0.54/24
2:43m} 42. Bd6 {(Ke2) +0.49/29 3:16m} Bd2 {-0.34/23 2:38m}
43. f5 {(Lc5) +0.49/29 2:37m} Bc3 {-0.22/24 3:22m} 44. Ke4
{(Kf4) +0.49/29 2:44m} Bb2 {-0.22/24 2:34m} 45. Kf4
{+0.49/29 3:23m} Bc3 {-0.22/24 2:44m} 46. Ke3 {(Kf3)
+0.49/29 2:07m} Bb2 {-0.22/24 2:46m} 47. Ke4 {(Kd3)
+0.49/29 2:21m} Ba1 {(Lc3) -0.22/24 2:24m} 48. Kd3
{+0.49/28 2:17m} Bb2 {-0.22/24 2:16m} 49. Kd2 {(Lc7)
+0.49/28 2:13m} Bd4 {(La1) -0.22/24 2:16m} 50. Ke2 {(Kd3)
+0.49/28 2:09m } Kd8 {(Lb2) -0.22/23 2:58m} 51. Kd3
{+0.49/26 2:58m} Ba1 {(Lb2) -0.22/24 3:40m} 52. Kd2
{+0.49/26 3:12m} Ke8 {(Kd7) -0.22/24 3:23m} 53. Kc1 {(Kc2)
+0.29/27 3:06m} Bc3 {(Ld4) -0.22/24 3:31m} 54. Kd1 {(Kc2)
+0.29/27 2:01m} Kd7 {(Kd8) -0.22/23 2:38m} 55. Ke2 {(Kc2)
+0.49/26 6:05m } Bb2 {(Ld4) -0.22/23 2:20m} 56. Kf3 {(Kd3)
+0.49/27 2:35m} Ke8 {(Lc3) -0.22/23 2:35m} 57. Ke3 {(Ke2)
+0.49/28 2:33m} Bc3 {-0.22/24 3:08m} 58. Kf4 {+0.49/28
2:53m} Bd4 {(Ld2+) -0.22/24 3:41m } 59. Kg3 {+0.29/28
3:39m} Bb2 {(La1) -0.22/24 3:39m} 60. fxe6 {(Kf2) +0.29/31
4:34m} fxe6 {-0.15/26 2:34m} 61. Kf4 {+0.29/32 1:39m} Kf7
{-0.15/27 2:23m} 62. Kf3 {(Ke4) +0.29/32 1:49m} Bd4 {(Kg8)
-0.15/27 3:09m} 63. Ke4 {(Kf4) +0.29/33 2:36m} Bf2 {(Lb2)
-0.15/27 5:05m} 64. Kf4 {(Kd3) +0.29/32 1:51m } g6 {(Ld4)
-0.15/27 3:17m} 65. Ke4 {+0.29/30 1:49m } Be1 {-0.15/27
4:08m} 66. Kd3 {(Kd4) +0.29/30 1:53m} Bf2 {(Lg3) -0.15/27
3:03m} 67. Ke2 {(Ke4) +0.29/29 1:43m} Bd4 {-0.15/26 5:27m}
68. Kf3 {+0.29/31 1:46m} Bc3 {-0.15/26 2:54m} 69. Ke3
{(Kf4) +0.29/33 3:15m} Kg7 {(g5) -0.15/26 2:54m } 70. Kd3
{(Kf4) +0.29/31 2:53m} Bb2 {-0.15/26 2:21m} 71. Ke4
{+0.29/32 3:15m} Kf7 {(Lc3) -0.15/26 2:37m} 72. Ke3 {(Lc5)
+0.29/31 3:07m } Bc1+ {(Lc3) -0.15/25 2:14m} 73. Kd3 {(Kf3)
+0.29/31 2:27m} Bf4 {(Lb2) -0.15/26 2:53m} 74. Ke4
{+0.29/32 5:18m} Bd2 {(Lg5) -0.15/27 2:42m} 75. Bc5 {(Kd4)
+0.29/31 3:39m} Bc3 {-0.15/27 3:22m} 76. Kf4 {+0.29/32
5:00m} Kg7 {(Lb2) -0.15/27 2:21m} 77. Bd6 {+0.29/32 4:34m}
Be1 {(Lb2) -0.15/26 2:02m} 78. Kf3 {(Ke3) +0.29/33 3:34m}
Bc3 {-0.15/27 3:30m} 79. Ke2 {(Kf4) +0.29/33 6:25m} Bd4
{(Kh7) -0.15/26 2:50m} 80. Kd2 {(Kd3) +0.29/32 4:28m } Kf7
{-0.15/25 2:00m} 81. Bc7 {(Ke2) +0.29/31 1:53m} Bb2 {(g5)
-0.15/25 2:29m} 82. Kd3 {+0.29/32 5:52m} Kg7 {-0.15/26
3:40m} 83. Bd6 {+0.29/32 4:03m} Kg8 {(Kf7) -0.15/26 3:06m}
84. Kc2 {(Ke3) +0.29/30 3:02m} Ba1 {(Ld4) -0.15/26 2:24m}
85. Kd1 {(Kd3) +0.29/30 2:47m} Kg7 {-0.15/27 2:10m} 86. Kd2
{(Ke2) +0.29/32 1:47m} Bb2 {(Kf7) -0.15/27 4:29m} 87. Kc2
{(Kd3) +0.29/32 2:44m } Bd4 {-0.15/27 5:47m} 88. Kc1 {(Kd3)
+0.29/32 4:12m} Be3+ {(Lf2) -0.15/26 2:40m} 89. Kd1 {(Kc2)
+0.29/31 1:49m} Bd4 {(Kf7) -0.15/26 3:27m} 90. Kc2
{+0.29/31 2:34m} Kf7 {-0.15/26 3:28m} 91. Bc7 {+0.29/30
1:34m} Ba1 {(Kg7) -0.15/26 4:16m} 92. Kb1 {(Kd3) +0.29/31
3:06m } Bc3 {(Ld4) -0.15/25 2:13m} 93. Bd6 {+0.29/29 0s}
Kg8 {(Ld4) -0.15/26 3:29m} 94. Ka2 {+0.29/30 1:36m} Bd4
{(Kf7) -0.15/26 3:12m} 95. Kb3 {+0.29/29 2:32m} Kg7
{-0.15/26 3:00m} 96. Bc7 {(Lb8) +0.29/30 2:51m} Kf7
{-0.15/25 2:10m} 97. Bb8 {+0.29/30 2:39m} Ba1 {(Lf2)
-0.15/26 2:57m} 98. Bd6 {(Kc2) +0.28/32 4:21m} Bd4
{-0.15/27 2:30m} 99. Bc7 {(Lb8) +0.28/31 9:18m} Kg8 {(La1)
-0.15/26 3:45m} 100. Kc2 {(Ld6) +0.29/30 2:54m} Kg7 {(Kf7)
-0.15/25 2:25m} 101. Bb8 {(Kd2) +0.28/29 3:11m} Kf7
{-0.15/25 2:20m} 102. Kd2 {(Kd3) +0.28/30 3:27m} Bf2 {(Lb2)
-0.15/25 2:40m} 103. Bc7 {(Ke2) +0.29/31 3:30m} Bg3 {(Ld4)
-0.15/24 6:55m} 104. Bd6 {+0.29/31 2:09m} Bf4+ {(Lh2)
-0.15/22 6:24m} 105. Kc2 {(Kd1) +0.29/31 2:59m} Bg3
{-0.11/21 3:08m} 106. Kc3 {(Kd2) +0.29/30 2:03m} Be1+
{0.00/22 2:12m} 107. Kb3 {+0.13/30 2:23m} Bg3 {(Lf2)
0.00/25 2:17m} 108. Kc2 {(Lc7) +0.29/31 2:11m} Bf2 {(Lh4)
0.00/26 3:01m } 109. Kd3 {+0.13/30 3:15m} Kg8 {(Lg3)
0.00/26 2:02m} 110. Ke2 {(Kd2) +0.13/29 2:39m } Bd4 {(Lg1)
0.00/26 2:08m} 111. Kd1 {(Kd3) 0.00/31 3:25m} Kf7 {(Kg7)
0.00/25 2:05m} 112. Kc2 {(hxg6+) 0.00/32 3:06m} Be3 {(Kg7)
0.00/25 2:07m} 113. b5 {(Kd3) 0.00/30 2:38m} cxb5 {0.00/25
2:31m} 114. cxb5 {0.00/31 2:21m} Bf4 {(gxh5) 0.00/25 2:05m}
115. Kc3 {(Kd3) 0.00/32 2:59m} gxh5 {0.00/26 2:48m}
116. gxh5 {(bxa6) 0.00/33 2:11m} Ke8 {0.00/26 3:40m}
117. Kc4 {(bxa6) 0.00/34 2:50m} Bd2 {(Kd7) 0.00/27 2:08m}
118. Bb4 {(bxa6) 0.00/35 4:05m} Bxb4 {0.00/27 1:50m }
119. Kxb4 {0.00/37 3:49m} Kd7 {(axb5) 0.00/28 2:16m}
120. b6 {(bxa6) 0.00/39 3:31m } Kd8 {(Kc6) 0.00/30 1:56m}
121. Kc4 {(Ka4) 0.00/45 5:07m} Ke8 {(Kd7) 0.00/32 2:21m}
122. Kd3 {(Kb4) 0.00/46 8:25m} Ke7 {(Kd7) 0.00/32 2:50m}
123. Ke3 {(Kc4) 0.00/47 3:03m} Kd7 {0.00/33 3:36m} 124. Kd4
{0.00/46 13:09m} Kd8 {(Kc6) 0.00/32 2:32m} 125. Kc5 {(Kc4)
0.00/49 5:48m} Kd7 {(Ke7) 0.00/34 4:40m} 126. Kb4 {(Kd4)
0.00/48 28:16m} Ke8 {(Ke7) 0.00/31 4:31m} 127. Kc3 {(Kc4)
0.00/49 7:20m} Kf8 {(Kd7) 0.00/33 4:12m} 128. Kd3 {(Kb4)
0.00/51 3:16m} Ke8 {(Ke7) 0.00/33 6:26m} 129. Kc3 {0.00/51
15:50m} Kd7 {0.00/34 2:13m} 130. Kb4 {Draw accepted 0.00/49
10:46m} 1/2-1/2

Website update with more games tomorrow.

Kind Regards
Heinz

By BenVanVlierden (***)

Date 2008-09-05 22:45 Edited 2008-09-05 23:18

Heinz, if you mentioned it somewhere, I apologize beforehand for bothering you, but what version of Fritz are you using for these matches?

By Heinz van Kempen (***)

Date 2008-09-06 13:09 Edited 2008-09-06 13:50

Hi :-),

I am using the GUI versions which came with Zap!Chess, Deep Fritz 10 and Fritz 11 including updates if available. The engines used so far for this matches run smoothly and I only had one crash.

Another update:

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 10,5:5,5

Game 16

Semi Slav

Another subvariation in this line popular on GM level. 24 moves from Sedat´s book, the Rybka book has a few more until Zappa played a move not included. Zappa lost the a-pawn and a long endgame with queen and bishop on both sides started, when after exchange of queen finally there was a tablebase draw.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "16"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "D47"]
[Result "1/2-1/2"]

1. d4 {0s} d5 {0s} 2. Nf3 {0s} Nf6 {0s} 3. c4 {0s} c6 {0s}
4. Nc3 {0s} e6 {0s} 5. e3 {0s} Nbd7 {0s } 6. Bd3 {0s} dxc4
{0s} 7. Bxc4 {0s} b5 {0s} 8. Bd3 {0s} Bb7 {0s} 9. e4 {0s}
b4 {0s} 10. Na4 {0s} c5 {0s } 11. e5 {0s} Nd5 {0s} 12. O-O
{0s} cxd4 {0s} 13. Re1 {0s} g6 {0s} 14. Bg5 {0s} Qa5 {0s}
15. Nxd4 {0s} a6 {0s} 16. a3 {0s} bxa3 {0s} 17. bxa3 {0s}
Bg7 {0s} 18. Bd2 {0s} Qd8 {0s} 19. Rb1 {0s} Rb8 {0s}
20. Rxb7 {0s} Rxb7 {0s} 21. Bxa6 {0s} Rc7 {0s} 22. Ba5 {0s}
Qb8 {0s} 23. Bxc7 {0s} Qxc7 {0s} 24. Nb5 {White last book
move 0s} Qb8 {0s} 25. Nac3 {-0.10/18 6:15m} Nxc3 {0s}
26. Nxc3 {-0.10/18 0s} Bxe5 {Black last book move 0s}
27. Bb5 {-0.09/18 5:43m} O-O {+0.41/23 10:07m} 28. Qxd7
{-0.15/19 6:23m} Bxc3 {+0.41/22 0s} 29. Rd1 {-0.15/21
5:47m} Bf6 {+0.39/22 7:23m} 30. Bf1 {-0.20/21 6:10m} Qa8
{(Kg7) +0.43/23 14:09m} 31. Qd6 {-0.20/21 5:58m} Qa7 {(Da4)
+0.42/23 11:18m} 32. Qf4 {-0.12/22 7:16m} Bb2 {+0.41/23
5:12m} 33. a4 {-0.14/22 5:33m} e5 {+0.36/24 11:50m} 34. Qc4
{-0.16/21 6:33m} Bd4 {+0.36/23 23:07m} 35. Qc2 {(Td2)
-0.19/21 5:44m} Rd8 {+0.46/21 3:53m} 36. Rd2 {-0.17/21
10:20m} Qa5 {+0.46/21 5:46m} 37. Rd1 {(Lb5) -0.19/21 8:51m}
Rd5 {+0.55/20 11:10m} 38. Bc4 {(Lb5) -0.24/20 6:56m} Rc5
{+0.62/20 3:43m} 39. Qa2 {-0.32/19 4:54m} Qc7 {+0.63/20
6:07m} 40. Bb3 {(Ld3) -0.34/20 5:06m} Rc3 {+0.68/21 5:33m}
41. a5 {-0.45/20 5:25m} Kg7 {+0.69/20 2:14m} 42. h3 {(a6)
-0.48/20 4:49m} Rc6 {+0.87/20 3:41m} 43. Kh1 {-0.46/20
4:00m} Ra6 {+0.90/21 2:04m} 44. Qe2 {(f4) -0.49/21 5:04m}
Rxa5 {(Tf6) +0.91/21 4:24m} 45. f4 {-0.52/20 5:54m} Rc5
{(f6) +0.91/21 3:09m} 46. fxe5 {-0.27/20 2:20m} Bxe5
{+0.92/22 6:49m} 47. Qe3 {(De1) -0.28/21 2:52m} Rc3
{+0.99/22 2:46m} 48. Rd3 {-0.28/20 0s} Rxd3 {(Tc6) +1.00/23
2:47m} 49. Qxd3 {-0.17/9 0s} Qc1+ {+1.00/25 1:40m} 50. Qd1
{(Ld1) -0.20/22 3:49m} Qf4 {+1.00/25 2:25m} 51. Kg1
{-0.29/21 3:59m} Qe3+ {+1.00/24 1:30m} 52. Kh1 {-0.29/20
0s} h5 {+1.00/25 3:45m} 53. Bd5 {-0.55/21 9:51m} g5
{+1.01/24 4:47m} 54. Qf1 {-0.57/21 4:26m} Bf4 {(f6)
+1.01/23 2:05m} 55. Qg1 {-0.64/20 6:17m} Qg3 {+1.11/24
2:12m} 56. Be4 {-0.68/21 3:01m} g4 {+1.31/24 3:10m} 57. Bf5
{-1.06/22 10:42m} Kf6 {(Le5) +1.41/23 3:20m} 58. Bd7 {(Lc8)
-1.06/20 3:19m} Kg5 {(Ld6) +1.41/25 3:54m} 59. Qc5+
{-1.09/19 3:21m} Kh6 {(Le5) +1.81/25 20:56m} 60. Qg1
{-1.09/21 3:42m} gxh3 {(Kg5) +4.09/24 1:52m} 61. Bxh3
{-0.76/10 0s} f6 {(Kg7) +4.09/23 0s} 62. Bd7 {-0.76/22
4:43m} Kg5 {(Kg7) +4.09/26 3:05m} 63. Qc5+ {-0.74/20 3:50m}
Kh4 {(Le5) +4.09/24 0s} 64. Qg1 {-0.74/16 0s} Be5 {(Kg5)
+4.09/24 0s} 65. Be6 {-1.38/21 2:45m} Kg5 {+4.09/23 0s}
66. Qc1+ {-1.37/21 4:39m} Bf4 {+4.09/23 0s} 67. Qc5+
{-1.38/21 3:46m} Kg6 {+4.19/25 6:18m} 68. Bf5+ {-1.38/21
5:01m} Kh6 {+4.19/23 0s} 69. Qg1 {-1.38/21 0s} Kg5
{+4.19/25 5:09m} 70. Bh3 {(Lc8) -1.38/21 7:10m} f5
{+4.19/24 4:09m} 71. Bxf5 {-1.38/21 0s} Kxf5 {+4.19/25
1:51m} 72. Qc5+ {-1.38/21 0s} Ke6 {(Kg6) +4.19/25 7:33m}
73. Qc8+ {(Dc4+) 0.00/20 2:23m} Ke7 {(Kd6) +5.09/22 2:07m}
74. Qb7+ {0.00/16 0s} Bc7 {+4.89/24 3:05m} 75. Qe4+
{0.00/22 4:30m} Kf6 {(Le5) +4.89/24 3:08m} 76. Qf3+ {(Dd4+)
0.00/23 3:26m} Bf4 {(Dxf3) 0.00/25 42s} 77. Qxg3 {0.00/26
4:41m} Bxg3 {0.00/45 26s} 78. Kg1 {0.00/1 0s} Ke5 {0.00/1
0s} 79. Kf1 {0.00/1 0s} Kd5 {0.00/1 0s} 80. Kg1 {0.00/1 0s}
Be1 {0.00/1 0s} 81. Kf1 {0.00/1 0s} Bg3 {0.00/1 0s} 82. Kg1
{0.00/1 0s} Be1 {0.00/1 0s} 83. Kf1 {0.00/1 0s} Bg3 {Draw
accepted 0.00/1 0s} 1/2-1/2

Game Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 8,5:7,5

Game 16

Sicilian (Richter Rauser)

Another one like a few games before in this match, but now with Rybka as Black. After around 20 book moves Black´s position looks a bit dangerous because of the open king when white opens up with 26.e5. After some exchanges a double rook endgame was left when Rybka was a pawn down but could hold this to a draw. I have my doubts regarding this book line for black anyway (this subvariation, not the Richter Rauser in general, which is fine). Rybka always had a hard time in this game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "16"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B67"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nc3 {0s} Nc6 {0s} 3. Nge2 {0s} Nf6
{0s} 4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} d6 {0s} 6. Bg5 {0s}
e6 {0s} 7. Qd2 {0s} a6 {0s} 8. O-O-O {0s} Bd7 {0s} 9. f4
{0s} b5 {0s} 10. Bxf6 {0s} gxf6 {0s} 11. Kb1 {0s} Qb6 {0s}
12. Nxc6 {0s} Bxc6 {0s} 13. Qe1 {0s} O-O-O {0s} 14. Qh4
{0s} b4 {0s} 15. Ne2 {0s} Be7 {0s} 16. Ng3 {0s} Kb7 {0s}
17. Qh5 {0s} Be8 {0s} 18. Bc4 {0s} a5 {0s} 19. f5 {White
last book move 0s} Qc5 {0s} 20. Qe2 {+1.01/18 5:59m} Qe5
{Black last book move 0s} 21. fxe6 {+1.12/18 6:29m} fxe6
{-0.98/18 4:56m} 22. Nf5 {+1.28/19 10:52m} Bf8 {-1.01/19
5:03m} 23. Nd4 {+1.23/19 10:45m} Bd7 {-1.07/19 18:30m}
24. Rhf1 {+1.21/18 8:46m} Rb8 {(Re8) -0.94/19 17:29m}
25. Nf3 {(g3) +1.51/18 6:10m} Qc5 {-0.96/19 9:53m} 26. e5
{+1.36/18 14:44m} fxe5 {-0.97/19 4:49m} 27. Ng5 {+1.42/18
4:02m} Ka7 {-0.97/19 20:20m} 28. g3 {(Rf7) +1.36/18 4:45m}
Rb7 {(h5) -0.89/19 4:37m} 29. Nf7 {+1.30/18 4:49m} Rg8
{-0.89/19 1:34m} 30. Nd8 {+1.30/18 0s} Rc7 {-0.90/20 3:42m}
31. Nxe6 {+1.26/19 4:30m} Qxc4 {-0.90/19 0s} 32. Qxc4
{+1.26/19 0s} Rxc4 {-0.90/19 0s} 33. Nxf8 {+1.19/20 4:51m}
Rg7 {-0.85/21 3:46m} 34. Rxd6 {+1.02/20 7:46m} Bg4 {(Bc8)
-0.85/22 4:37m} 35. Rd5 {(b3) +1.24/18 3:44m} Re4 {(Re7)
-0.62/19 2:21m} 36. a4 {+1.37/18 5:29m} bxa3 {-0.62/17 0s}
37. Rxa5+ {+1.37/18 0s} Kb7 {-0.62/18 3:01m} 38. Rxa3
{+1.28/19 4:03m} Re2 {-0.58/20 6:36m} 39. Rf6 {+1.11/18
4:05m} Rxh2 {(Rc7) -0.63/21 5:14m} 40. Ne6 {+1.13/18 2:43m}
Bxe6 {-0.62/21 1:24m} 41. Rxe6 {+1.13/17 0s} Re2 {-0.62/22
8:34m} 42. Rc3 {(c4) +1.36/19 4:22m} Re1+ {-0.68/20 5:28m}
43. Ka2 {+1.36/18 0s} Re2 {(e4) -0.91/22 34:35m} 44. b4
{(Ka3) +1.61/19 3:51m} Re4 {-0.73/22 2:25m} 45. b5
{+1.46/20 9:07m} h5 {-0.76/22 2:50m} 46. Kb3 {(Ka3)
+1.47/20 4:25m} Rgg4 {-0.76/23 2:01m} 47. Kb2 {+1.38/20
3:28m} Rg5 {(Rb4+) -0.82/23 4:53m} 48. Ka3 {+1.38/19 4:22m}
Rgg4 {-0.82/23 2:22m} 49. Rf3 {+1.38/20 3:31m} Ra4+
{-0.92/22 4:09m} 50. Kb2 {+1.38/19 0s} Rab4+ {-0.85/22
1:35m} 51. Rb3 {+1.49/20 3:18m} Rbe4 {(Rge4) -0.88/23
2:23m} 52. Kc1 {+1.73/19 3:48m} Rg7 {(Re1+) -0.87/22 2:12m}
53. b6 {(Rh6) +1.97/19 3:47m} h4 {(Rc4) -0.62/21 1:21m}
54. Ra3 {+0.97/19 4:46m} Rg8 {-0.62/19 0s} 55. gxh4
{+0.86/19 4:28m} Rxh4 {-0.63/22 1:34m} 56. Ra7+ {(Rb3)
+0.85/19 4:29m} Kb8 {-0.58/17 0s} 57. Rf7 {(Rxe5) +0.78/20
4:03m} Rb4 {-0.45/22 1:58m} 58. Rh7 {(Kd2) +0.62/20 5:29m}
e4 {-0.44/21 7:20m} 59. Rhh6 {(Rd7) +0.36/19 3:51m} Rg7
{(Rc8) -0.39/22 2:55m} 60. Kd2 {(Reg6) +0.37/18 1:47m} Rc4
{-0.39/22 56s} 61. Rh2 {(Rhg6) +0.14/20 4:49m} Kb7 {(Rd7+)
-0.34/20 1:53m} 62. c3 {(Re2) +0.04/20 7:04m} Ka6 {(Rc6)
-0.21/21 1:22m} 63. Rh1 {(Rd6) +0.08/18 2:24m} Rg2+
{-0.13/20 49s} 64. Ke3 {+0.05/20 4:19m} Rxc3+ {-0.12/22
1:30m} 65. Kd4 {+0.05/20 4:20m} Rcc2 {-0.07/22 2:57m}
66. Rh7 {+0.01/19 1:26m} Rgd2+ {(Rcd2+) -0.07/21 1:05m}
67. Ke5 {(Ke3) +0.03/10 0s } Rd8 {-0.06/19 41s} 68. Rc7
{(b7+) +0.01/18 2:05m} Rb2 {(Rcd2) -0.06/21 1:27m} 69. Ra7+
{+0.01/19 1:26m} Kb5 {-0.06/19 0s} 70. b7 {+0.01/19 1:31m}
Rb8 {-0.05/22 2:21m} 71. Kd4 {0.00/19 2:32m} Rd2+ {-0.04/21
43s} 72. Ke3 {0.00/18 0s} Rd3+ {(Rd7) -0.04/21 52s}
73. Kxe4 {0.00/19 1:46m} Rd7 {(Rd1) -0.04/22 1:31m}
74. Re5+ {(Ra1) 0.00/19 1:47m} Kb4 {-0.02/22 2:20m} 75. Ra8
{(Ra1) 0.00/21 1:38m} Rdxb7 {(Rbxb7) -0.01/22 1:49m}
76. Ra1 {0.00/20 2:15m} Kc3 {-0.01/22 2:30m} 77. Rd1
{(Rc5+) 0.00/19 1:26m} Rb4+ {0.00/24 1:47m} 78. Ke3
{0.00/21 1:52m} Rh4 {0.00/25 1:16m} 79. Rc5+ {0.00/21
1:45m} Kb2 {adjud. Draw accepted 0.00/26 1:27m} 1/2-1/2

More games, answer to Sedat and website update soon.

Kind Regards
Heinz

By Sedat Canbaz (****)

Date 2008-09-06 00:09

Hello Heinz,

Thanks a lot for running this interesting tournament...

A sideline with 9.g4 .... Sedat should remove this line for white, because in the games I found black was always succes

I think there is something wrong,probably you testing the Perfect 13book with normal settings,i am 100 % sure with
"Optimized", Min games=3,Up to move=35,then the 9th move will be to ''Qd2''and not to ''g4''

Please see the Perfect13 book picture:
http://sedatchess.com/zappa_rybka.jpg

Best Regards,
Sedat Canbaz

By Heinz van Kempen (***)

Date 2008-09-06 15:25 Edited 2008-09-06 15:42

Hi Sedat :-),

I am using exactly the settings you gave. Optimize I always used for all books including the Hiarcs book in the previous match. The only thing I change is that learning is deactivated in order to give other engines in future matches equal chances. If it would not be for this reason I guess learning would be fine when applied in LTC games.

When clicking on optimize the throttle is a few mm away from the outmost left, so I guess putting it to the extreme left would reduce variety even more what is not desirable: too much monotony and risk of receiving doubles. But what I use is exactly the position of the throttle when clicking on optimize. So maybe it was bad luck that this rare line with g4 was chosen when it was given a probability to be played of 0,5% or anything like this? Even with optimize we will detect dubious lines in any book with enough games being played and in the previous post I also had doubts regarding a Richter Rauser subvariation played actively by Jeroen´s book.

I think your book is just doing fine bearing in mind that a newer book always has the advantage when it was elaborated well, like Harvey already mentioned in the Hiarcs match thread. And I guess there will be Perfect 14 at some point available?

To resume my impressions so far a bit after the Hiarcs match and first 34 games from this two matches.

1. we mostly get positions after the book moves which leave enough opportunities to fight with a lot of or sufficient material left on the board. Those positions when only a drawish endgame or semi-endgame is left are exceptions.

2. the Rybka book outplayed the Hiarcs book in the previous match, causing some wins directly out of the book or shortly afterwards. This is not the case so obviously in the match against Zappa with Perfect 13 so far, but overall lines are deeper

3. the lines seem to be adequate for the respective engines or engines in general, many half open sicilians and sharp lines in Semi Slav for example. About Ruy Lopez closed line I am not certain if those are really apted for engines, but this lines are indeed very frequently in GM games, so that they should not be omitted.

4. regarding lines

a) Sicilian (tons of them :-) ). Najdorf (especially English attack against Hiarcs, but also 6.Bg5 variations including the Poisoned Pawn line), but also Sveshnikov. Now in this match also a lot of Richter Rauser. I am missing the Dragon variation so far which is currently played a lot by Carlsen, but I have to say that I personally prefer to play this one with White pieces.

b) Ruy Lopez closed (in all kind of shapes and colors, like Chigorin, Zaitsev, Breyer). One open Ruy Lopez and and a Marshall Attack which Hiarcs mishandled. I have not checked if Perfect 13 or Jeroen´s book let the engine play actively the Marshall Gambit. We will see.

c) Caro Kann (Advance Variation and 3.Nc3 4..Bf5 systems)

d) the French Defence (so far with Classical lines after 3..Nf6)

e) Slav and Semi Slav of all kinds including Anti Moscow V., Meraner and others and mostly giving interesting or sharp games

f) from time to time a Queen´s Gambit (accepted or declined)

g) a lot of Nimzo Indian´s in the Hiarcs match, but also Queen´s Indian and Catalan, nostly all of those leading to more positional play

Missing...Grünfeld and King´s Indian so far. If not included actively in the book, the book cookers will have their reasons. I have to say that in the shorter pregiven lines from the generic set I often saw that engines do not play the King´s Indian well with Black pieces. A Pirc from time to time would be also fine, but we all have our favorites and I think it is okay and certainly more successful when the books are especialized in a few systems, but covering those deeply and broadly. Anyway those are the most serious lines from Super GM practice and will mostly do fine in engine vs. engine matches when all checked with Rybka.

Another update:

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 11,0:6,0

Game 17

Sicilian (Richter Rauser)

We are getting some of those, because both books let it play with both colors and additionally with different subvariations, So for example here 9.f4 is played and in a previous game 9.f3.

19 book moves, both castled queenside and equal chances after the opening. Another game with a lot of manouvering like we often get between this two engines. Draw finally in a queen´s endgame.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "17"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B67"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nc3 {0s} Nc6 {0s} 3. Nge2 {0s} Nf6
{0s} 4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} d6 {0s} 6. Bg5 {0s}
e6 {0s} 7. Qd2 {0s} a6 {0s} 8. O-O-O {0s} Bd7 {0s} 9. f4
{0s} b5 {0s} 10. Bxf6 {0s} gxf6 {0s} 11. Kb1 {0s} Qb6 {0s}
12. Nxc6 {0s} Bxc6 {0s} 13. Qe1 {0s} O-O-O {0s} 14. Qh4
{0s} b4 {0s} 15. Ne2 {0s} Be7 {0s} 16. Ng3 {0s} Kb7 {0s}
17. Qh5 {0s} Be8 {0s} 18. Bc4 {0s} a5 {0s} 19. f5 {White
last book move 0s} Qc5 {0s} 20. Qe2 {+1.01/18 5:59m} Qe5
{Black last book move 0s} 21. fxe6 {+1.12/18 6:29m} fxe6
{-0.98/18 4:56m} 22. Nf5 {+1.28/19 10:52m} Bf8 {-1.01/19
5:03m} 23. Nd4 {+1.23/19 10:45m} Bd7 {-1.07/19 18:30m}
24. Rhf1 {+1.21/18 8:46m} Rb8 {(Re8) -0.94/19 17:29m}
25. Nf3 {(g3) +1.51/18 6:10m} Qc5 {-0.96/19 9:53m} 26. e5
{+1.36/18 14:44m} fxe5 {-0.97/19 4:49m} 27. Ng5 {+1.42/18
4:02m} Ka7 {-0.97/19 20:20m} 28. g3 {(Rf7) +1.36/18 4:45m}
Rb7 {(h5) -0.89/19 4:37m} 29. Nf7 {+1.30/18 4:49m} Rg8
{-0.89/19 1:34m} 30. Nd8 {+1.30/18 0s} Rc7 {-0.90/20 3:42m}
31. Nxe6 {+1.26/19 4:30m} Qxc4 {-0.90/19 0s} 32. Qxc4
{+1.26/19 0s} Rxc4 {-0.90/19 0s} 33. Nxf8 {+1.19/20 4:51m}
Rg7 {-0.85/21 3:46m} 34. Rxd6 {+1.02/20 7:46m} Bg4 {(Bc8)
-0.85/22 4:37m} 35. Rd5 {(b3) +1.24/18 3:44m} Re4 {(Re7)
-0.62/19 2:21m} 36. a4 {+1.37/18 5:29m} bxa3 {-0.62/17 0s}
37. Rxa5+ {+1.37/18 0s} Kb7 {-0.62/18 3:01m} 38. Rxa3
{+1.28/19 4:03m} Re2 {-0.58/20 6:36m} 39. Rf6 {+1.11/18
4:05m} Rxh2 {(Rc7) -0.63/21 5:14m} 40. Ne6 {+1.13/18 2:43m}
Bxe6 {-0.62/21 1:24m} 41. Rxe6 {+1.13/17 0s} Re2 {-0.62/22
8:34m} 42. Rc3 {(c4) +1.36/19 4:22m} Re1+ {-0.68/20 5:28m}
43. Ka2 {+1.36/18 0s} Re2 {(e4) -0.91/22 34:35m} 44. b4
{(Ka3) +1.61/19 3:51m} Re4 {-0.73/22 2:25m} 45. b5
{+1.46/20 9:07m} h5 {-0.76/22 2:50m} 46. Kb3 {(Ka3)
+1.47/20 4:25m} Rgg4 {-0.76/23 2:01m} 47. Kb2 {+1.38/20
3:28m} Rg5 {(Rb4+) -0.82/23 4:53m} 48. Ka3 {+1.38/19 4:22m}
Rgg4 {-0.82/23 2:22m} 49. Rf3 {+1.38/20 3:31m} Ra4+
{-0.92/22 4:09m} 50. Kb2 {+1.38/19 0s} Rab4+ {-0.85/22
1:35m} 51. Rb3 {+1.49/20 3:18m} Rbe4 {(Rge4) -0.88/23
2:23m} 52. Kc1 {+1.73/19 3:48m} Rg7 {(Re1+) -0.87/22 2:12m}
53. b6 {(Rh6) +1.97/19 3:47m} h4 {(Rc4) -0.62/21 1:21m}
54. Ra3 {+0.97/19 4:46m} Rg8 {-0.62/19 0s} 55. gxh4
{+0.86/19 4:28m} Rxh4 {-0.63/22 1:34m} 56. Ra7+ {(Rb3)
+0.85/19 4:29m} Kb8 {-0.58/17 0s} 57. Rf7 {(Rxe5) +0.78/20
4:03m} Rb4 {-0.45/22 1:58m} 58. Rh7 {(Kd2) +0.62/20 5:29m}
e4 {-0.44/21 7:20m} 59. Rhh6 {(Rd7) +0.36/19 3:51m} Rg7
{(Rc8) -0.39/22 2:55m} 60. Kd2 {(Reg6) +0.37/18 1:47m} Rc4
{-0.39/22 56s} 61. Rh2 {(Rhg6) +0.14/20 4:49m} Kb7 {(Rd7+)
-0.34/20 1:53m} 62. c3 {(Re2) +0.04/20 7:04m} Ka6 {(Rc6)
-0.21/21 1:22m} 63. Rh1 {(Rd6) +0.08/18 2:24m} Rg2+
{-0.13/20 49s} 64. Ke3 {+0.05/20 4:19m} Rxc3+ {-0.12/22
1:30m} 65. Kd4 {+0.05/20 4:20m} Rcc2 {-0.07/22 2:57m}
66. Rh7 {+0.01/19 1:26m} Rgd2+ {(Rcd2+) -0.07/21 1:05m}
67. Ke5 {(Ke3) +0.03/10 0s } Rd8 {-0.06/19 41s} 68. Rc7
{(b7+) +0.01/18 2:05m} Rb2 {(Rcd2) -0.06/21 1:27m} 69. Ra7+
{+0.01/19 1:26m} Kb5 {-0.06/19 0s} 70. b7 {+0.01/19 1:31m}
Rb8 {-0.05/22 2:21m} 71. Kd4 {0.00/19 2:32m} Rd2+ {-0.04/21
43s} 72. Ke3 {0.00/18 0s} Rd3+ {(Rd7) -0.04/21 52s}
73. Kxe4 {0.00/19 1:46m} Rd7 {(Rd1) -0.04/22 1:31m}
74. Re5+ {(Ra1) 0.00/19 1:47m} Kb4 {-0.02/22 2:20m} 75. Ra8
{(Ra1) 0.00/21 1:38m} Rdxb7 {(Rbxb7) -0.01/22 1:49m}
76. Ra1 {0.00/20 2:15m} Kc3 {-0.01/22 2:30m} 77. Rd1
{(Rc5+) 0.00/19 1:26m} Rb4+ {0.00/24 1:47m} 78. Ke3
{0.00/21 1:52m} Rh4 {0.00/25 1:16m} 79. Rc5+ {0.00/21
1:45m} Kb2 {adjud. Draw accepted 0.00/26 1:27m} 1/2-1/2

Game Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 9,0:8,0

Game 17

Ruy Lopez (Chigorin V.)

This time with one of the bigger main lines. Rybka received four moves more from her book.

White got a slighly better endgame with bishop against knight and a (doubled) pawn up. Zappa defended actively and could sacrifice it´s knight and I adjudicated to a draw although Rybka shows 5 pawn units of advantage. The reason you can guess J.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.05"]
[Round "17"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C99"]
[Result "1/2-1/2"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. Bb5 {0s} a6 {0s}
4. Ba4 {0s} Nf6 {0s} 5. O-O {0s} Be7 {0s} 6. Re1 {0s} b5
{0s} 7. Bb3 {0s} d6 {0s} 8. c3 {0s} O-O {0s} 9. h3 {0s} Na5
{0s} 10. Bc2 {0s} c5 {0s} 11. d4 {0s} Qc7 {0s} 12. Nbd2
{0s} cxd4 {0s} 13. cxd4 {0s} Nc6 {0s} 14. Nb3 {0s} a5 {0s}
15. Be3 {0s} a4 {0s} 16. Nbd2 {0s} Bd7 {0s} 17. Rc1 {0s}
Qb7 {0s} 18. Nf1 {0s} Rfc8 {0s} 19. Ng3 {0s} Bd8 {Black
last book move 0s} 20. Qe2 {0s} Bb6 {-0.26/18 5:15m}
21. dxe5 {0s} Nxe5 {-0.43/18 4:48m} 22. Nxe5 {0s} dxe5
{-0.43/17 0s} 23. Nf5 {0s} Bxf5 {-0.27/19 6:51m} 24. exf5
{White last book move 0s} Bd4 {-0.38/20 7:04m} 25. Bxd4
{(Bd3) +0.67/21 6:08m } exd4 {-0.05/7 0s} 26. Bd3 {(Qe5)
+0.75/22 21:17m } b4 {(Qd5) -0.38/19 5:28m} 27. Rxc8+
{+0.74/22 7:08m} Qxc8 {-0.38/18 0s} 28. Qd2 {(g4) +0.75/22
2:38m} Qf8 {-0.31/21 7:53m} 29. Rc1 {+0.75/22 3:58m} a3
{-0.31/21 5:05m} 30. Rc4 {(bxa3) +0.76/22 8:20m} b3
{-0.26/21 4:28m} 31. bxa3 {+0.76/22 5:11m} bxa2 {(Qxa3)
-0.25/21 7:28m} 32. Qxa2 {+0.76/21 0s} Rxa3 {-0.25/21 0s}
33. Qc2 {+0.79/22 5:46m} Ra1+ {-0.25/21 5:00m} 34. Bf1
{(Kh2) +0.79/23 9:37m} Re1 {-0.28/21 5:41m} 35. Rxd4
{+0.80/23 6:10m} h6 {-0.28/22 7:29m} 36. Qc7 {+0.80/22
8:07m} Ne8 {-0.28/22 6:47m} 37. Qa7 {+0.80/23 5:39m} Nd6
{(Nf6) -0.28/22 7:34m} 38. Qd7 {(Qc5) +0.82/23 9:28m} Ne8
{-0.28/22 4:34m} 39. g4 {(Qa7) +0.83/23 7:57m} Qc5
{-0.26/21 5:06m} 40. Qd5 {+0.84/23 9:45m} Qa7 {-0.28/21
5:44m} 41. Re4 {+0.84/23 2:39m} Rxe4 {-0.28/22 3:00m}
42. Qxe4 {+0.85/24 4:33m} Nf6 {-0.28/23 5:41m} 43. Qc6
{+0.85/25 2:06m} Qd4 {-0.29/22 5:28m} 44. Qc8+ {+0.85/25
2:09m} Kh7 {-0.29/21 0s} 45. Qc4 {+0.85/26 3:01m} Qd7
{-0.29/21 2:18m} 46. Be2 {+0.88/25 5:43m} Qb7 {(Qd2)
-0.29/21 3:30m} 47. Qf4 {(Qd4) +0.88/25 3:59m} Nd7 {(Kg8)
-0.29/20 4:12m} 48. Bf3 {(Qd4) +0.92/23 3:30m} Qb1+ {(Qb5)
-0.36/21 5:51m} 49. Kg2 {+1.02/23 2:02m} Qb5 {(Qb2)
-0.37/21 2:42m} 50. Qc7 {(Qd6) +1.04/24 2:24m} Ne5
{-0.35/21 4:23m} 51. Be4 {(Qb7) +1.04/25 3:07m} f6 {-0.31/9
0s} 52. Qd8 {+1.05/26 6:56m} Nd7 {-0.35/21 3:21m} 53. Bf3
{(Qe8) +1.05/25 1:39m} Nb6 {-0.45/21 4:57m} 54. Qd4 {(h4)
+1.05/25 4:45m} Nd7 {(Nc8) -0.39/21 2:55m} 55. Qd5
{+1.17/25 2:56m} Qxd5 {(Qa4) -0.40/23 3:04m} 56. Bxd5
{+1.17/23 0s} h5 {-0.41/26 3:01m} 57. f3 {(Kg3) +1.47/29
1:29m} g6 {(Nb6) -0.42/24 11:49m} 58. fxg6+ {+2.04/30
2:59m} Kxg6 {-0.42/23 0s} 59. Bc6 {(f4) +2.04/32 1:56m }
Ne5 {(Nb6) -0.01/25 2:23m} 60. Be8+ {+2.25/29 1:25m} Kg5
{-0.01/24 0s} 61. gxh5 {+2.25/31 3:19m} Nxf3 {(Nd3)
-0.01/28 3:56m} 62. Kxf3 {+5.25/20 3:05m} f5 {(Kh6)
-0.01/30 3:14m} 63. h4+ {(Kg3) +5.60/20 6:10m} Kh6
{-0.01/34 4:08m} 64. Kf4 {+5.12/24 2:16m} Kh7 {(Kg7)
-0.01/34 3:14m} 65. Bc6 {(Kxf5) +5.12/23 16:25m} Kh6
{-0.01/35 3:13m} 66. Bf3 {(Be8) +5.12/26 1:46m} Kg7
{-0.01/34 4:35m} 67. Ke5 {(Kxf5) +5.12/27 1:33m} Kh6 {(Kh7)
-0.01/33 2:23m} 68. Be2 {(Kxf5) adjud. Draw accepted
+5.09/28 2:01m} 1/2-1/2

The website is also updated with the latest games and annotations.

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Update on the generic set matches tomorrow morning.

Kind Regards
Heinz

By BenVanVlierden (***)

Date 2008-09-06 17:08 Edited 2008-09-06 17:10

Heinz, as an answer to your question regarding game 13 of the Rybka Human -Zappa match:

I had two games played with reversed colours, starting with the position after 20.Rd3. In both games she also opted for 20. ..., Rg5. In the first one white's advantage evaporated eventually, after which Rybka struck from a seemingly even endgame position. In the second game Zappa played differently on the 23d move, and was rewarded by a Rybka-blunder on move 28: ...,Rxg2?, played after thinking for almost 20 minutes!

I'm not sure if this is the kind of info you had in mind, but it sure was fun to see the games progressing. I realised there is much more randomness to these long games than I ever thought possible!

Zappa Mexico II - Rybka 3 Human [B67]
Test Rybka_Zappa, 120'/40+120'/40+0' SCHAKEN (1), 05.09.2008
[0.59;0.55]

Intel(R) Core(TM)2 Quad CPU   Q9450 @ 2.66GHz 3400 MHz
W=22.7 ply; 3.358kN/s; 412.129 TBAs
B=23.8 ply; 303kN/s; 125.977 TBAs
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.0-0-0 Bd7 9.f4 b5 10.Bxf6 gxf6 11.Kb1 Qb6 12.Nxc6 Bxc6 13.f5 Qc5 14.Bd3 b4 15.Ne2 e5 16.Ng3 Rg8 17.Qe2 a5 18.Bc4 Rc8 19.b3 a4 20.Rd3 Rg5   0.55/19 4:15 21.Rhd1 (Ph5) 0.59/22 33:45 21...Be7 (Tc7) 0.55/20 4:53 22.h4   0.53/20 12:09 Rg7   0.55/20 3:43 23.Nh5   0.53/20 8:34 Rg8   0.55/18 0 24.Rg3 (g4) 0.53/21 12:00 24...Rxg3   0.35/19 5:01 25.Nxg3   0.53/20 0 Qa7 (a3) 0.36/19 2:59 26.Qf3 (Ph5) 0.48/19 5:51 26...axb3   0.30/20 3:06 27.cxb3   0.35/21 7:01 Ra8   0.28/21 3:56 28.Qe2   0.32/21 4:43 Qb7 (Lb7) 0.26/21 9:32 29.Rc1 (Ld5) 0.53/20 4:46 29...Ra5 (d5) 0.06/21 16:24 30.Qg4   0.41/19 3:14 d5 (Tc5) 0.01/21 12:35 31.exd5   0.32/19 7:32 Bxd5   0.01/19 0 32.Rd1 (Lxd5) 0.30/20 2:27 32...Bxc4   0.00/21 3:18 33.Qxc4   0.30/19 0 Qa8   0.00/23 3:37 34.Rd2   0.26/20 1:46 Rc5   0.00/24 3:36 35.Qe4   0.26/21 1:32 Qa6   0.00/24 4:17 36.Qe1 (Td1) 0.15/20 2:13 36...Qb7 (Db5) 0.00/24 4:18 37.h5   0.28/20 1:29 Rc7 (h6) 0.00/25 12:07 38.Qe4   0.19/21 1:47 Qc8   -0.01/24 6:28 39.Rd1   0.17/20 1:21 h6   -0.01/24 4:32 40.Qe2   0.17/21 2:33 Kf8   -0.01/25 4:46 41.Rf1   0.04/22 2:46 Kg7 (Td7) -0.01/25 6:50 42.Ne4   0.03/21 2:40 Rd7   -0.01/25 6:23 43.Qg4+   0.00/22 3:03 Kh7   -0.02/25 4:03 44.Re1 (Tc1) 0.00/24 3:19 44...Qd8   -0.02/24 3:14 45.Qe2   0.00/24 2:18 Rd4   -0.02/24 2:02 46.Ka1 (Tc1) 0.00/24 2:20 46...Qc8   -0.03/23 1:32 47.Qg4 (Tf1) 0.00/24 3:31 47...Qc6 (Dc2) -0.03/24 4:58 48.Qf3 (Kb1) 0.00/24 2:22 48...Kg7   -0.10/23 3:19 49.Kb1 (Dg4+) 0.00/24 3:26 49...Bc5 (Kh8) -0.11/22 1:40 50.Qg4+   0.00/22 2:17 Kf8   -0.11/23 1:47 51.Qf3 (De2) 0.00/23 2:41 51...Bb6 (Le7) -0.12/22 1:33 52.Kb2 (De2) 0.00/22 2:44 52...Qc8 (Ke7) -0.17/21 1:42 53.Kb1   0.00/22 2:25 Qd8 (Dc6) -0.17/22 1:52 54.Qe2 (Kc2) 0.00/23 5:38 54...Ba7 (Kg8) -0.29/22 4:24 55.Qf1 (g3) 0.00/22 3:07 55...Kg7 (Lb6) -0.28/21 1:59 56.Kc2   0.00/22 2:19 Qa8 (Dc8+) -0.17/20 1:29 57.Qf3   0.00/14 0 Rd7 (Dc8+) -0.19/21 1:22 58.Kb1   0.00/21 2:23 Qd8   -0.17/21 1:28 59.Qg4+ (Kc2) 0.00/22 2:37 59...Kh8 (Kf8) -0.26/21 1:36 60.Qe2   -0.29/22 6:52 Rd3   -0.35/21 4:31 61.Kc2   -0.30/22 4:09 Re3   -0.35/21 4:12 62.Qd2   -0.30/21 2:55 Qc8+   -0.32/21 10:27 63.Kd1   -0.36/21 5:41 Rxe1+   -0.32/20 0 64.Kxe1   -0.36/21 0 Kg7   -0.39/24 3:49 65.Nd6   -0.42/21 4:07 Qc6   -0.39/24 2:30 66.Qxb4   -0.42/20 0 Qc1+   -0.39/24 2:05 67.Ke2   -0.42/19 0 Qe3+   -0.39/24 2:47 68.Kd1   -0.42/18 0 Bc5 (Dg1+) -0.39/24 2:18 69.Qg4+   -0.33/19 2:56 Kf8   -0.39/25 3:40 70.Nc4 (Pe4) -0.40/20 5:01 70...Qd3+   -0.86/23 2:59 71.Kc1   -0.40/19 0 Qc3+   -0.88/24 2:44 72.Kd1   -0.70/22 10:07 Bb4   -0.88/25 2:06 73.Qf3   -0.74/21 3:14 Qa1+   -0.88/23 0 74.Kc2   -0.74/21 0 Qxa2+   -0.88/23 0 75.Kc1   -0.74/21 0 Kg7 (Kg8) -0.84/25 2:17 76.Qg3+   -0.74/21 3:35 Kh8   -0.83/25 3:28 77.Qh3   -0.74/22 6:48 Qa1+ (Kg8) -0.83/24 4:43 78.Kc2   -0.74/14 0 Qa8 (Kg7) -0.79/25 7:51 79.Kc1 (Df3) -1.08/20 5:50 79...Kh7   -0.90/23 4:15 80.Kb2   -1.28/20 2:35 Qd5   -1.09/24 2:34 81.Qf3   -1.08/22 4:01 e4   -1.09/23 1:58 82.Qf1 (De2) -1.08/22 3:41 82...Qd4+   -1.71/21 1:18 83.Ka2   -1.08/23 3:27 Bc5   -1.72/22 1:16 84.Qe2   -1.08/22 3:18 Qf2 (Dd5) -1.72/20 0 85.Qxf2 (Db2) -1.30/23 3:12 85...Bxf2   -1.72/19 0 86.b4   -1.55/26 3:08 Kg7   -3.55/28 2:53 87.Kb3   -1.88/25 3:05 e3   -3.55/26 0 88.Nxe3   -2.26/27 3:03 Bxe3   -3.55/26 0 89.Kc4   -3.04/29 3:02 Kf8   -3.55/26 0 90.Kd5   -3.75/28 3:01 Ke7 (Ld2) -5.12/27 7:47 91.Kc6   -6.27/28 3:01 Kd8 (Ld2) -5.12/26 3:20 92.b5   -6.64/28 3:00 Bf4   -4.35/23 0 93.Kb7   -7.78/27 3:00 Kd7   -4.35/22 0 94.Kb6 (Ka7) -7.78/25 3:00 94...Kd6 -5.12/23 3:11 0-1

Zappa Mexico II - Rybka 3 Human [B67]
Test Rybka_Zappa, 120'/40+120'/40+0' SCHAKEN (2), 06.09.2008
[0.62;0.55]

Intel(R) Core(TM)2 Quad CPU   Q9450 @ 2.66GHz 3400 MHz
W=18.7 ply; 2.933kN/s; 7.210 TBAs
B=18.5 ply; 359kN/s; 403.950 TBAs
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.0-0-0 Bd7 9.f4 b5 10.Bxf6 gxf6 11.Kb1 Qb6 12.Nxc6 Bxc6 13.f5 Qc5 14.Bd3 b4 15.Ne2 e5 16.Ng3 Rg8 17.Qe2 a5 18.Bc4 Rc8 19.b3 a4 20.Rd3 Rg5   0.55/20 10:28 21.Rhd1 (Ph5) 0.62/20 14:04 21...Be7 (Tc7) 0.55/21 8:21 22.h4   0.59/20 5:48 Rg7   0.55/21 9:20 23.Qd2 (Ph5) 0.51/20 5:48 23...axb3   0.24/17 6:33 24.Bxb3   0.52/20 6:31 Rg4   0.14/19 2:52 25.Qh6   0.52/19 0 Kd8   0.13/20 5:44 26.Qxh7 (Dh5) 0.12/19 9:39 26...Bb5   0.36/19 4:13 27.Rd5   0.35/19 4:19 Qc6   0.51/19 15:01 28.Nf1   0.55/20 5:22 Rxg2 (Le2) 0.31/19 19:50 29.R5d2   1.01/19 5:50 Qxe4 (Lxf1) 0.90/17 2:47 30.Rxg2   1.01/6 0 Qxg2   1.23/19 3:20 31.Ne3   1.61/20 9:14 Qe2   1.23/19 3:27 32.Qg8+   1.61/19 0 Kd7   1.23/19 1:51 33.Qxf7   1.61/19 0 Kd8   1.22/19 5:35 34.Be6 (Dg8+) 1.73/20 8:23 34...Rb8   2.03/17 2:47 35.Qg8+   1.73/19 0 Kc7   2.23/18 5:50 36.Qh7 (Pd5+) 1.94/20 14:59 36...Re8   1.58/17 1:38 37.Nd5+ (Lf7) 1.95/20 5:14 37...Kd8   1.82/18 2:21 38.Rc1   1.95/20 0 Bc6   1.82/18 3:54 39.Nxe7   1.95/19 0 Rxe7   1.82/18 2:20 40.Qh8+   2.33/21 8:14 Kc7   1.82/17 1:24 41.Qxf6   2.37/20 3:58 Rh7   2.96/19 16:04 42.Qf8   2.65/20 8:36 Bd7   2.96/19 8:40 43.Qa8   2.65/20 9:52 Qb5   3.08/19 21:32 44.Qg8 (Tg1) 3.93/20 9:16 44...Rxh4   5.12/18 23:38 45.Qg7   4.38/19 0 Rf4 (Dc6) 5.12/17 16:04 46.f6   4.37/10 0 Rf3 (e4) 5.12/16 10:55 47.Rh1 (f7) 5.83/18 3:00 47...Kb6 (Tg3) 6.44/16 7:25 48.Bxd7   5.61/11 0 Qd5 (Dc5) 7.96/15 5:03 49.Qg1+   5.77/11 0 Qc5   5.09/15 3:26 50.Qg8   5.77/10 0 Rf2   10.46/14 2:20 51.Qb8+   21.47/17 8:28 Ka5   8.01/12 1:35 52.Rc1   21.47/17 0 Rxf6 (d5) 10.10/13 1:03 53.Qd8+ #27/16 0 1-0

By Heinz van Kempen (***)

Date 2008-09-06 17:49 Edited 2008-09-06 17:54

Hi :-),

thanks for investigating. Yes, exactly this is what I wanted to know. I suspected that Zappa´s position after the book moves was not so bad, that it had to go down in a few moves. So the book line seems to be okay. You seem to be a patient guy :-). Any interest to run an additional match for Rybka 3 Dynamic vs. Zappa with LTC and adding it here? :-)

Regarding randomness, we could need some more currently. Again we have those series of draws happening frequently in LTC matches between Rybka and Zappa or Naum. But maybe the Human version will win the next one. In a wild game it is an exchange down, but has advanced passed pawns. Evaluation by Rybka currently (2.60).

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 11,5:6,5

Game 18

Semi Slav (Anti Moscow Variation)

This line is highly popular. White sacrifices a pawn for iniatiative and usually very sharp positions arise. Regrettably not in this game where soon queens got exchanged.and white regained the pawn, also receiving a pair of passed pawns in the endgame. Rybka could hold the balance first winning the exchange with a little combination and then transposing to a drawn endgame with knight and two pawns against four pawns. Interesting game after all, despite of the early queen exchange.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.06"]
[Round "18"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "D43"]
[Result "1/2-1/2"]

1. d4 {0s} d5 {0s} 2. c4 {0s} c6 {0s} 3. Nf3 {0s} Nf6 {0s}
4. Nc3 {0s} e6 {0s} 5. Bg5 {0s} h6 {0s} 6. Bh4 {0s} dxc4
{0s} 7. e4 {0s} g5 {0s} 8. Bg3 {0s} b5 {0s} 9. Be2 {0s} Bb7
{0s} 10. h4 {0s} g4 {0s } 11. Ne5 {0s} Nbd7 {0s} 12. Nxd7
{0s} Qxd7 {0s} 13. Be5 {0s} Qe7 {0s} 14. b3 {0s} Rg8 {0s}
15. O-O {0s} b4 {0s} 16. Na4 {-0.30/18 3:35m} c3 {0s}
17. Qd3 {Both last book move 0s} Nd7 {+0.39/20 6:23m}
18. Bg3 {-0.35/18 3:40m} a5 {+0.39/20 7:55m} 19. a3
{-0.23/18 3:30m} h5 {+0.38/20 6:14m} 20. Rfd1 {-0.22/18
6:00m} Rg6 {(Dd8) +0.37/19 5:52m} 21. Qc2 {0.00/18 4:26m}
Rg7 {(Td8) +0.33/19 9:22m} 22. Qc1 {0.00/18 4:25m} Rg8
{(Th7) +0.13/19 15:10m} 23. Qf4 {0.00/18 3:54m} Rd8 {(Lg7)
+0.01/19 7:25m} 24. axb4 {(Ld3) +0.12/19 3:53m} axb4
{-0.08/19 2:20m} 25. Qc7 {+0.25/19 3:49m} Nf6 {-0.18/20
1:58m} 26. Nc5 {+0.39/20 5:08m} Qxc7 {-0.37/21 8:27m}
27. Bxc7 {+0.39/19 0s} Rc8 {-0.68/21 16:45m} 28. Ba5 {(Lf4)
+0.47/20 4:24m} Rb8 {-0.18/20 3:42m} 29. Bxb4 {(Ta4)
+0.38/20 4:50m} Bxc5 {(Sxe4) -0.04/19 2:36m} 30. dxc5
{+0.37/21 8:23m} Ba6 {0.00/20 2:14m} 31. Rxa6 {+0.37/20 0s}
Rxb4 {0.00/19 0s} 32. e5 {+0.37/20 4:34m} Nd7 {0.00/18 0s}
33. Ra8+ {+0.49/21 7:53m} Rb8 {0.00/23 1:50m} 34. Rxb8+
{+0.49/20 0s} Nxb8 {0.00/22 0s} 35. f4 {+0.44/22 6:09m}
gxf3 {-0.03/24 6:44m} 36. Bxf3 {+0.44/21 0s} Ke7 {-0.03/25
6:17m} 37. Rc1 {+0.59/23 13:48m} Nd7 {-0.03/25 3:55m}
38. Bxc6 {+0.70/23 5:31m} Nxe5 {-0.14/25 2:23m} 39. Bb7
{+0.70/22 5:09m} Rg3 {-0.14/24 1:26m} 40. b4 {+0.70/21 0s}
Kd7 {(Td3) -0.14/24 52s} 41. b5 {+0.58/20 4:23m} Kc7
{-0.25/25 19:22m} 42. Ba6 {+0.58/20 0s} f5 {(Te3) -0.19/25
20:41m} 43. b6+ {+0.57/8 0s} Kc6 {-0.18/26 21:00m} 44. Be2
{+0.36/19 5:00m} f4 {-0.18/25 0s} 45. Kh2 {(Lxh5) +0.89/19
5:51m} Ng4+ {-0.18/24 4:19m} 46. Kh1 {+1.14/20 4:07m} Ne5
{-0.18/25 3:29m} 47. Bxh5 {+1.14/20 0s} Nd3 {-0.18/25
1:04m} 48. Rxc3 {+1.14/20 0s} Nf2+ {-0.18/25 50s} 49. Kg1
{+1.14/20 0s} Rxc3 {-0.18/24 0s} 50. Bf3+ {+1.14/20 0s}
Rxf3 {-0.18/26 1:04m} 51. gxf3 {+1.14/19 0s} Nd3 {-0.18/25
0s} 52. h5 {+1.14/19 0s} Ne5 {-0.18/25 0s} 53. Kf2 {0.00/24
3:06m} Nf7 {-0.18/24 0s} 54. Ke1 {(Ke2) 0.00/26 4:34m} Nh6
{(e5) 0.00/28 2:10m} 55. Ke2 {0.00/26 4:35m} e5 {0.00/27
45s} 56. Kd3 {(Kd2) 0.00/25 3:16m} Nf5 {0.00/26 1:17m}
57. Ke4 {0.00/24 3:33m} Ng3+ {0.00/24 0s} 58. Kxe5 {0.00/26
2:58m} Nxh5 {0.00/24 0s} 59. Kf5 {(Ke6) 0.00/28 3:39m} Ng7+
{0.00/33 55s} 60. Kf6 {0.00/29 5:30m} Nh5+ {0.00/36 1:08m}
61. Ke5 {0.00/30 3:52m} Ng7 {0.00/37 56s} 62. Kf6 {0.00/30
3:21m} Nh5+ {0.00/43 1:14m} 63. Ke5 {0.00/31 5:38m} Ng7
{0.00/40 1:10m} 64. Kxf4 {0.00/31 8:28m} Ne6+ {0.00/39
1:02m} 65. Kg4 {0.00/32 4:26m} Nxc5 {(Kb7) 0.00/41 1:11m}
66. f4 {(Kf5) 0.00/1 0s} Na4 {0.00/1 0s} 67. f5 {0.00/1 0s}
Nb2 {0.00/1 0s} 68. f6 {0.00/1 0s} Nc4 {0.00/1 0s} 69. b7
{0.00/1 0s} Kxb7 {0.00/1 0s} 70. Kg5 {0.00/1 0s} Ne5
{0.00/1 0s} 71. f7 {0.00/1 0s} Nd7 {0.00/1 0s} 72. f8=N
{0.00/1 0s} Ne5 {0.00/1 0s} 73. Kf6 {0.00/1 0s} Nc4 {0.00/1
0s} 74. Nd7 {0.00/1 0s} Kc6 {0.00/1 0s} 75. Ke6 {0.00/1 0s}
Na3 {0.00/1 0s} 76. Nb8+ {0.00/1 0s} Kc5 {0.00/1 0s}
77. Nc6 {0.00/1 0s} Nc4 {0.00/1 0s} 78. Na5 {0.00/1 0s}
Nxa5 {Draw accepted 0.00/1 0s} 1/2-1/2

Game Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 9,5:8,5

Game 18

Semi Slav

This line was played in the infamous World Championship match between Kramnik and Topalov in Elista. The Perfect 13 delivered 18 moves. More moves would have been fine here. So the Rybka book recommends 20.Qe1 instead of 20.Qb1 exchanging queens, what makes not much sense, because white sacrificed a pawn and compensation was that the Black king could not castle kingside, what does not matter so much after queen´s exchange. But the endgame later with rook each and bishop of opposite colors was a clear draw and the additional pawn did not have any effect.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.06"]
[Round "18"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "D47"]
[Result "1/2-1/2"]

1. d4 {0s} d5 {0s} 2. Nf3 {0s} Nf6 {0s} 3. c4 {0s} c6 {0s}
4. e3 {0s} e6 {0s} 5. Nc3 {0s} Nbd7 {0s} 6. Bd3 {0s} dxc4
{0s} 7. Bxc4 {0s} b5 {0s} 8. Bd3 {0s} Bb7 {0s } 9. a3 {0s}
b4 {0s} 10. Ne4 {0s} Nxe4 {0s} 11. Bxe4 {0s} bxa3 {0s}
12. O-O {0s} Bd6 {0s} 13. b3 {0s} Nf6 {0s} 14. Nd2 {0s}
Nxe4 {0s} 15. Nxe4 {0s} Bxh2+ {0s} 16. Kxh2 {0s} Qh4+ {0s}
17. Kg1 {0s} Qxe4 {0s} 18. f3 {White last book move 0s} Qg6
{0s} 19. Bxa3 {-0.17/20 6:04m} h5 {Black last book move 0s}
20. Qb1 {-0.21/20 9:31m} Qxb1 {+0.29/22 6:40m} 21. Rfxb1
{-0.24/21 4:50m} f6 {(a6) +0.30/23 9:10m} 22. Kf2 {(Bc5)
-0.25/20 3:53m} g5 {(a6) +0.32/22 4:33m} 23. Bc5 {-0.27/19
4:42m} a6 {+0.26/22 6:20m} 24. Rh1 {(f4) -0.29/21 12:57m}
Kf7 {+0.30/22 5:25m} 25. g3 {-0.28/21 5:41m} Rh7 {(h4)
+0.30/22 9:43m} 26. f4 {(e4) -0.26/20 9:37m} gxf4 {(Rg8)
+0.28/21 8:58m} 27. exf4 {-0.17/22 6:09m} Rg8 {+0.28/23
3:25m} 28. Kf3 {-0.18/21 4:59m} Rg4 {+0.28/23 4:33m}
29. Rag1 {-0.15/21 2:53m} Rh6 {(Bc8) +0.28/23 3:46m}
30. Rh4 {(Rh2) -0.15/22 4:39m} Rxh4 {(Rg8) +0.38/27 6:27m}
31. gxh4 {-0.15/10 0s} Rh8 {+0.38/28 4:20m} 32. Kf2 {(Ke3)
-0.13/22 3:56m} Rb8 {(Ra8) +0.38/28 5:54m} 33. b4 {-0.07/23
3:09m} Rd8 {(Bc8) +0.38/28 3:07m} 34. Ke3 {-0.06/23 4:03m}
Rd5 {(Ra8) +0.38/29 3:53m} 35. Kd3 {(Ke4) -0.05/23 3:07m}
Bc8 {(Rd7) +0.38/28 2:27m} 36. Re1 {(Ke4) -0.05/23 3:25m}
Rd7 {+0.38/28 8:47m } 37. Ra1 {(Ke4) -0.05/23 3:55m} Rd8
{(Bb7) +0.38/27 2:28m} 38. Rg1 {-0.05/22 3:06m} Rd7 {(Rd5)
0.00/27 10:01m} 39. Ra1 {-0.05/24 4:08m} Bb7 {+0.27/27
3:13m} 40. Rg1 {(Rb1) -0.05/24 2:42m} Rd5 {+0.27/28 4:00m}
41. Re1 {(Kc3) -0.05/24 5:23m } Rd8 {+0.27/26 10:03m}
42. Rg1 {-0.05/23 3:42m} Bc8 {+0.27/28 5:04m} 43. Rg2
{(Kc4) -0.05/23 4:07m } Rd7 {+0.18/27 26:28m} 44. Ra2
{(Rg1) -0.05/23 2:35m} Rd5 {(Bb7) +0.12/25 2:29m} 45. Rf2
{(Rg2) -0.05/24 3:33m} Bb7 {(Rd7) +0.12/25 2:31m} 46. Rg2
{-0.05/24 3:02m} Bc8 {+0.12/27 2:41m} 47. Rf2 {(Rg1)
-0.05/25 6:01m} Kg6 {(Rd7) +0.10/24 1:53m} 48. Rg2+
{0.00/23 3:10m } Kh7 {(Kf7) +0.11/24 1:25m} 49. Rg1 {(Ke3)
0.00/21 3:15m} e5 {(Bd7) +0.09/24 2:51m} 50. fxe5 {0.00/21
2:30m} fxe5 {+0.10/25 1:24m} 51. Ke3 {(Rc1) 0.00/21 2:20m}
exd4+ {(Bd7) +0.09/24 1:32m} 52. Bxd4 {0.00/22 2:09m} Rd7
{(Bg4) +0.09/25 1:49m} 53. Rg5 {0.00/20 2:54m} Re7+
{+0.08/25 1:18m} 54. Kf4 {0.00/21 3:04m} Bg4 {+0.07/26
2:41m} 55. Ra5 {0.00/21 3:01m} Rb7 {(Rf7+) +0.07/25 1:09m}
56. Bc5 {(Bc3) 0.00/21 3:39m} Be2 {+0.10/25 2:00m} 57. Ra2
{(Ra3) 0.00/22 2:56m} Bc4 {+0.10/25 3:08m} 58. Rg2 {(Ra3)
0.00/22 2:51m} Rg7 {+0.08/26 3:52m} 59. Rxg7+ {(Rg5)
0.00/24 4:40m} Kxg7 {+0.07/34 1:03m} 60. Ke5 {0.00/28
2:22m} Bd3 {(Kf7) +0.07/36 2:06m} 61. Kd6 {0.00/29 2:22m}
Bb5 {(Kg6) +0.07/37 1:10m} 62. Bd4+ {(Ke6) 0.00/31 3:19m}
Kf7 {(Kg6) +0.07/37 1:20m} 63. Bb2 {0.00/32 3:36m} Ba4
{(Kg6) +0.07/38 1:51m} 64. Bc3 {(Bd4) 0.00/31 3:04m} Kg6
{(Bb5) +0.07/39 3:38m} 65. Ke6 {0.00/30 3:07m} Bb5 {(Bc2)
+0.07/38 3:21m} 66. Bf6 {(Bd4) 0.00/31 3:44m} Bc4+
{+0.07/32 1:11m} 67. Ke5 {0.00/32 2:49m} Kf7 {(Bb5)
+0.07/34 1:13m} 68. Bg5 {0.00/29 2:39m} Bb5 {(Kg6) +0.07/36
1:37m} 69. Kd6 {0.00/31 2:49m} Ba4 {(Bd3) +0.07/37 1:27m}
70. Be7 {(Ke5) 0.00/31 3:26m} Kg6 {(Bb5) +0.07/37 2:56m}
71. Ke6 {(Ke5) 0.00/30 2:25m} Kh6 {(Bb3+) +0.07/34 1:00m}
72. Kf6 {(Bf6) 0.00/30 2:48m } Bc2 {(Kh7) +0.07/36 1:12m}
73. Bf8+ {0.00/30 2:41m} Kh7 {+0.07/34 0s} 74. Be7 {(Bc5)
0.00/31 2:37m} Bd3 {(Kh6) +0.07/34 2:02m} 75. Ke6 {(Bc5)
0.00/29 2:08m} Be2 {(Kg7) +0.07/34 1:21m } 76. Kd6 {(Kf6)
0.00/30 2:25m} Bb5 {(Kg7) +0.07/36 1:44m} 77. Bf6 {(Ke6)
0.00/31 2:28m} Kh6 {(Bd3) +0.07/38 3:07m} 78. Bc3 {(Bg5+)
0.00/32 2:06m} Kg6 {+0.07/39 2:41m} 79. Ke6 {0.00/32 2:52m}
Kh7 {(Bc4+) +0.07/39 4:14m} 80. Be5 {(Ke7) adjud. Draw
accepted 0.00/30 2:08m} 1/2-1/2

Kind Regards
Heinz

By BenVanVlierden (***)

Date 2008-09-06 20:30

Hello Heinz,

Perhaps I'm less patient than you think. ;)

If it were a matter of a week, I'd gladly host the Rybka Dynamic match; but it will obviously take much longer than that; I have only one dedicated chess-machine, and I don't want to miss it for weeks on end. So, I'm sorry! But running some "investigations" now and then in between my own testing is no problem at all.

> Regarding randomness

One of the things that struck me, was the completely different ways the position after 22, ...,Rg7 was reached in my two games. The moves were of course the same, but look at the thinking times and the depths reached!

Regards,

Ben.

By Heinz van Kempen (***)

Date 2008-09-06 20:58 Edited 2008-09-06 21:09

Hi Ben :-),

yes, I noticed that. Sometimes there are surprising things, what I am seeing now when Zappa deviates after the same line pregiven already a few moves later although I deactivated learning. Maybe my machines are not as identical as they should be, because this happened on another one built with the same components :-).

Okay, when there are more striking things to investigate I will first ask you. By the way I am always trying to convince people to run some games, but it is hard to find people who do this, excect for Blitz or rapid chess. But M.Ansari wrote that he will do and the Swedes are running them and so after months we will collect a considerable amount of LTC games all together (and maybe some people will be astonished when rating differences with LTC games will be considerably less than those with the quicker time controls. Still do not know at this stage, but seems probable).

Finally after many draws I can give another win for Rybka. This time for the Human version which still has to demonstrate a lot:

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 10,0:8,0

Game 19

French Defence (Steinitz Variation)

The action started when Rybka started to give the exchange for two pawns on move 27, could advance the passed pawns and support them with knight and king.. Rybka gave up all this pawns but had a knight fork on rook and king being this way a whole knight up in an endgame that was easily won. In fact the engines give decisive advantage already for White after move 40. Good game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.06"]
[Round "19"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C11"]
[Result "1-0"]

1. e4 {0s} e6 {0s} 2. d4 {0s} d5 {0s} 3. Nc3 {0s} Nf6 {0s}
4. e5 {0s} Nfd7 {0s} 5. f4 {0s} c5 {0s } 6. Nf3 {0s} Nc6
{0s} 7. Be3 {0s} cxd4 {0s} 8. Nxd4 {0s} Nxd4 {0s} 9. Bxd4
{0s} Bc5 {0s} 10. Qd2 {0s} Bxd4 {0s} 11. Qxd4 {0s} Qb6 {0s}
12. Qxb6 {0s} Nxb6 {0s} 13. Nb5 {0s} Ke7 {0s} 14. Bd3 {0s}
Bd7 {0s} 15. Nd4 {0s} Na4 {0s} 16. O-O-O {0s} h5 {Both last
book move 0s} 17. f5 {+0.42/20 14:38m} Nc5 {-0.42/19 4:26m}
18. Rhf1 {(fxe6) +0.36/20 6:17m} Rac8 {-0.40/19 5:31m}
19. fxe6 {+0.42/20 5:36m} Bxe6 {(fxe6) -0.48/20 4:32m}
20. c3 {(Nf5+) +0.43/18 4:20m} g6 {(Nxd3+) -0.39/18 3:29m}
21. Bc2 {(Kd2) +0.49/19 4:00m} h4 {-0.38/19 4:35m} 22. Nf3
{(h3) +0.48/20 3:57m} h3 {(Rh5) -0.33/18 5:07m} 23. g3
{+0.49/21 6:23m} Ne4 {(Rh5) -0.33/19 3:52m} 24. Rd4 {(Rde1)
+0.49/21 3:09m} Rh5 {-0.39/18 7:50m} 25. Ra4 {(Bxe4)
+0.49/20 7:35m} a6 {-0.25/19 6:28m} 26. a3 {+0.50/21 3:11m}
Rf5 {-0.24/20 4:41m} 27. Rxe4 {(Rb4) +0.41/21 1:55m} dxe4
{-0.33/21 6:07m} 28. Bxe4 {+0.41/20 0s} Rh5 {-0.27/21
4:26m} 29. Bxb7 {+0.41/20 0s} Bc4 {-0.31/21 5:23m} 30. Rf2
{(Re1) +0.44/22 2:09m} Rc5 {(Rc7) -0.17/19 3:15m} 31. b4
{+0.37/21 6:43m} Rc7 {-0.17/18 0s} 32. Be4 {+0.37/22 2:28m}
Be6 {(Kd8) -0.20/20 3:45m} 33. Kb2 {+0.58/22 9:36m} Ke8
{(Kd7) -0.22/20 5:28m} 34. Bd3 {+0.62/21 5:22m} a5
{-0.24/20 4:50m} 35. bxa5 {+0.70/22 5:08m} Bg4 {(Rb7+)
-0.45/20 12:04m} 36. Nd4 {+1.08/21 5:08m} Rxe5 {-0.46/20
8:03m} 37. a6 {+1.09/22 10:04m} Bd7 {(Rc8) -0.66/19 5:22m}
38. Kb3 {+1.26/20 5:20m} Ke7 {(Rc8) -0.66/18 1:42m} 39. Kb4
{+1.36/20 2:27m} f5 {-0.71/18 2:33m} 40. a4 {(Rd2) +1.45/21
4:04m} Be6 {-0.84/18 2:09m} 41. c4 {(Nb5) +1.59/21 2:56m}
Bc8 {(Bd7) -0.95/19 4:18m} 42. Nb5 {+1.28/19 4:04m} Rc6
{-1.10/20 3:44m} 43. a7 {+1.28/18 0s} Bb7 {-1.10/21 6:59m}
44. Rf4 {(Bf1) +1.54/20 3:19m} Rc8 {-1.12/19 2:36m} 45. Rh4
{+1.83/21 20:11m} Be4 {(Bh1) -1.26/19 9:29m} 46. Rh7+
{+2.60/21 2:25m} Kf6 {-1.26/18 0s} 47. Rf7+ {(Rd7) +2.60/19
0s} Kg5 {-2.13/20 11:58m} 48. Bxe4 {+2.82/21 2:54m} fxe4
{-2.13/20 0s} 49. Rf1 {+2.82/20 0s} Re7 {-2.27/20 8:21m}
50. c5 {+2.82/19 0s} e3 {-2.27/21 6:17m} 51. c6 {+2.82/19
0s} Re4+ {-2.56/20 8:39m} 52. Ka5 {+3.15/21 1:45m} e2
{(Re6) -2.63/20 4:45m} 53. Re1 {+3.62/22 5:22m} Re6
{-2.63/20 0s} 54. c7 {+3.62/21 0s} Ra8 {-2.63/20 0s}
55. Kb4 {+3.62/21 0s} Kf6 {-2.63/20 0s} 56. Kc4 {+3.62/21
0s} Rc8 {-2.78/20 3:27m} 57. Kd3 {+3.62/21 1s} Ra6
{-2.78/19 0s} 58. Rxe2 {(Kxe2) +3.62/24 2:16m} Rxa4
{-2.38/8 0s} 59. Nd6 {(Rc2) +3.62/23 0s} Rxc7 {-3.18/20
8:06m} 60. Ne8+ {+3.62/22 0s} Kf5 {-3.18/21 2:11m} 61. Nxc7
{+3.84/23 1:38m} Rxa7 {-4.61/21 8:32m} 62. Nb5 {+3.96/24
1:37m} Ra1 {(Ra4) -5.31/19 2:50m} 63. Nd4+ {+4.33/24 2:23m}
Kg5 {-5.34/21 3:21m} 64. Rf2 {+4.44/25 1:52m} 1-0

Best Wishes
Heinz

By Heinz van Kempen (***)

Date 2008-09-07 12:01 Edited 2008-09-07 12:18

Hi all :-),

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 12,0:8,0

Game 19

Caro Kann (Advance Variation 3.e5)

The Perfect book plays the Caro Kann quite often and probably this line in general is easier to handle for engines compared to the French. At least in this lines the c8 bishop is outside the pawn chain and not a bad one like often in the French, which has other advantages of course.

The most interesting stage of this game is the endgame with rook and pawn up against two knights. Rybka had some advantage due to it´s passed pawns pair on the king´s flank.
Rybka lost this pawns but could promote the a-pawn, but the endgame queen against two knights was a draw again. I would not be surprised when someone finds out that at one point or another after move 50 a win was missed.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.06"]
[Round "19"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B12"]
[Result "1/2-1/2"]

1. e4 {0s} c6 {0s} 2. d4 {0s} d5 {0s} 3. e5 {0s} Bf5 {0s}
4. Nf3 {0s} e6 {0s} 5. Be2 {0s} Ne7 {0s } 6. O-O {0s} c5
{0s} 7. c4 {0s} Nbc6 {0s} 8. Na3 {Both last book move 0s}
a6 {-0.35/17 5:11m} 9. Qa4 {(dxc5) +0.26/18 3:40m} Ng6
{(b5) -0.29/16 4:27m} 10. Be3 {+0.25/18 3:49m} Qb6
{-0.31/17 3:34m} 11. Rac1 {(Tad1) +0.27/19 16:05m} Be7
{-0.17/17 4:47m} 12. dxc5 {+0.27/19 3:06m} Qxb2 {-0.53/18
6:56m} 13. Nd4 {+0.37/19 8:44m} O-O {-0.42/18 5:36m}
14. Nxf5 {+0.29/20 13:21m} Qxe2 {-0.34/18 3:24m} 15. cxd5
{+0.29/21 7:06m} exd5 {-0.34/18 6:51m} 16. Nc2 {(Tb1)
+0.29/21 20:46m} Qh5 {(Db5) -0.01/17 2:18m} 17. Nxe7+
{+0.32/20 14:05m} Ngxe7 {-0.07/18 5:55m} 18. f4 {+0.27/20
8:12m} Nf5 {(Tad8) -0.06/18 2:14m} 19. Rb1 {(Lf2) +0.31/18
55s } Rab8 {-0.08/18 2:58m} 20. Qb3 {(Lf2) +0.32/18 2:13m}
Rfd8 {0.00/18 4:14m} 21. Rbd1 {(Dd3) +0.32/18 2:58m} Na5
{(d4) -0.04/18 4:15m} 22. Qd3 {+0.39/18 1:43m} Nc4
{-0.10/18 2:57m} 23. Rb1 {+0.35/18 59s} Nh4 {(Dg6) -0.06/18
2:29m} 24. Bd4 {+0.34/17 1:33m} Qg6 {(Dg4) -0.18/18 3:06m}
25. Qxg6 {+0.33/17 3:37m} Nxg6 {-0.22/18 3:11m} 26. Rf2
{(Tb4) +0.31/18 38s} Ne7 {-0.16/18 2:03m} 27. Re2 {(Lc3)
+0.28/18 1:20m} Nc6 {(Td7) -0.09/18 2:19m} 28. Rd1
{+0.27/17 26s} Rd7 {-0.15/18 2:37m} 29. Bc3 {(Kf2) +0.30/17
25s} g6 {(Tc8) -0.18/19 9:17m } 30. e6 {(Kf2) +0.35/16 18s}
fxe6 {-0.08/19 2:44m } 31. Rxe6 {+0.35/15 0s} Rf8 {-0.11/19
3:27m} 32. g3 {+0.35/16 13s} Rc8 {(a5) -0.14/19 2:56m}
33. Nd4 {+0.38/16 26s} Kf8 {(a5) -0.23/18 3:21m} 34. Nf3
{(Tde1) +0.44/16 21s} Kf7 {(Tcd8) -0.18/18 2:56m} 35. f5
{+0.71/15 25s} gxf5 {-0.27/18 1:25m} 36. Rf6+ {+0.44/15
25s} Ke8 {(Kg8) -0.34/18 1:39m} 37. Rxf5 {+0.55/16 52s} Re7
{-0.34/17 0s} 38. Rf4 {+0.59/16 39s} Re3 {-0.56/19 3:37m}
39. Bg7 {+0.59/16 23s} Ne7 {(Sb4) -0.50/18 1:25m} 40. Rf8+
{(Sg5) +0.50/14 12s} Kd7 {-0.26/9 0s} 41. Rf7 {+0.41/19
3:22m} Ke8 {-0.35/19 2:37m} 42. Rf6 {+0.53/20 7:31m} Kd7
{-0.50/18 3:15m} 43. Rb1 {(Tf4) +0.51/21 10:25m} Rc7
{-0.47/18 2:55m} 44. Nd4 {+0.51/21 9:06m} Re4 {(Sg6)
-0.47/18 2:54m} 45. Rf7 {+0.68/18 3:43m} Ke8 {-0.50/19
3:04m} 46. Rf8+ {+0.65/18 2:05m} Kd7 {-0.50/18 0s} 47. Rh8
{+0.65/19 6:46m} Nd2 {-0.42/19 6:07m} 48. Rd1 {+0.69/19
1:55m} Nc4 {-0.42/18 0s} 49. Rxh7 {+0.69/19 1:50m} Rxc5
{-0.63/19 4:55m} 50. Nb3 {(Lf6) +0.67/19 7:09m} Rb5
{-0.54/18 8:27m} 51. Bd4 {(Lc3) +0.66/18 5:12m} b6 {(Se3)
-0.58/18 5:39m} 52. Bf6 {+0.66/16 2:02m} Ke8 {-0.59/17
2:55m} 53. h3 {(Th8+) +0.58/17 3:10m} Nd6 {(Tb4) -0.56/16
2:38m} 54. Rc1 {+0.72/16 2:56m} Nc4 {-0.56/17 3:07m}
55. Rf1 {(Th8+) +0.64/16 2:25m} Rb4 {-0.43/17 3:31m} 56. g4
{+0.59/16 2:59m} Ra4 {-0.54/17 2:46m} 57. Rf2 {+0.42/17
1:32m} Ne3 {(Sg6) -0.68/17 3:53m} 58. Rh6 {+0.80/16 1:53m}
Re6 {(Tab4) -0.67/17 2:37m} 59. Nd4 {+0.99/17 1:13m} Rxf6
{-0.88/18 2:50m} 60. Rfxf6 {+1.34/19 1:07m} Rxd4 {-0.88/18
0s} 61. Rxb6 {+1.34/20 56s} Re4 {-0.88/18 0s} 62. Rhe6
{+1.19/21 2:51m} Rxe6 {-0.85/20 8:32m} 63. Rxe6 {+1.34/22
6:46m} d4 {-0.85/20 0s} 64. Kf2 {+1.34/22 52s} Kf7
{-0.90/20 4:56m} 65. Rxa6 {+1.44/22 3:57m} N7d5 {-0.90/20
0s} 66. Rc6 {+1.44/22 3:10m} d3 {(Sf4) -1.00/20 5:40m}
67. Ke1 {+2.03/20 1:24m} Nf4 {(Sb4) -1.20/20 4:17m} 68. a4
{(g5) +1.68/21 1:11m} Nxh3 {-1.20/8 0s} 69. Kd2 {+1.48/22
1:24m} Nxg4 {-0.30/20 2:40m} 70. a5 {+1.28/23 2:10m} Ng5
{-0.30/19 0s} 71. Rc7+ {+1.28/23 1:22m} Ke6 {-0.30/18 0s}
72. a6 {+1.28/24 1:19m} Kd6 {-0.30/17 0s} 73. Rc2 {(Tc8)
+1.28/24 1:46m} Nf3+ {0.00/22 2:39m} 74. Kc1 {(Kxd3)
0.00/25 1:33m} d2+ {0.00/23 2:47m} 75. Rxd2+ {0.00/27
1:10m} Nxd2 {0.00/23 0s} 76. a7 {(Kxd2) 0.00/1 0s} Nc4
{0.00/1 0s} 77. a8=Q {0.00/1 0s} Nge3 {0.00/1 0s} 78. Qb8+
{0.00/1 0s} Kc6 {0.00/1 0s} 79. Qd8 {0.00/1 0s} Kb5 {0.00/1
0s} 80. Qd4 {0.00/1 0s} Ka4 {0.00/1 0s} 81. Kb1 {0.00/1 0s}
Kb3 {0.00/1 0s} 82. Kc1 {0.00/1 0s} Ka4 {0.00/1 0s} 83. Kb1
{0.00/1 0s} Kb3 {0.00/1 0s} 84. Qa1 {0.00/1 0s} Kb4 {0.00/1
0s} 85. Qd4 {0.00/1 0s} Kb3 {Draw accepted 0.00/1 0s}
1/2-1/2

Game 20

Sicilian Najdorf (English Attack)

We will be experts regarding this line and the Semi Slav after the matches :-). But there are surely an awful lot of subvariations in both books. In this one Rybka got six moves more from her book and then started with 46 minutes of advantage on the clock. But it did not help…

Rybka with black a pawn down after the opening moves, but with the half-open c- and b-files against the queenside castled white king and an advanced a pawn, which later opened the a file by exchanging it. Zappa evacuated it´s king to the other side of the board, but had to give the exchange winning the d6 pawn and losing the e pawn. Zappa also won the e-pawn and got pressure against the Black king, so Rybka exchanged queens. The resulting endgame with an advanced passed c-pawn for the exchange proved to be better for Zappa and it won, Interesting game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.07"]
[Round "20"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B90"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. Nc3 {0s} Nf6 {0s}
4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} a6 {0s} 6. Be3 {0s} e5
{0s} 7. Nb3 {0s} Be6 {0s} 8. f3 {0s} Be7 {0s } 9. Qd2 {0s}
O-O {0s} 10. O-O-O {0s} Nbd7 {0s} 11. g4 {0s} b5 {0s}
12. g5 {0s} Nh5 {0s} 13. Nd5 {0s} Bxd5 {0s} 14. exd5 {White
last book move 0s} f6 {0s} 15. h4 {+0.52/18 4:20m} Ng3 {0s}
16. Rg1 {+0.52/17 0s} Nxf1 {0s} 17. Rdxf1 {+0.52/16 0s} a5
{0s} 18. Qd3 {+0.60/19 4:41m} a4 {0s} 19. Nd2 {+0.57/19
5:02m} f5 {0s} 20. Qxb5 {+0.60/20 5:43m} Qc7 {Black last
book move 0s} 21. Rg2 {+0.48/20 26:28m} f4 {(Tfc8) 0.00/19
16:28m} 22. Bf2 {(Lg1) +0.45/20 6:41m} Rfc8 {-0.15/19
5:16m} 23. Qd3 {+0.34/19 3:37m} Rab8 {(Db7) -0.15/19 2:50m}
24. Re1 {(c4) +0.49/18 3:22m} Qb7 {0.00/18 10:53m} 25. Nc4
{+0.49/18 3:50m} Bd8 {(Sc5) +0.18/18 4:14m } 26. b3 {(Te4)
+0.42/17 5:12m} axb3 {0.00/15 0s } 27. axb3 {+0.42/16 0s}
Qa6 {0.00/18 2:25m} 28. Kd1 {0.00/18 5:35m} Qa2 {-0.08/19
16:13m} 29. g6 {+0.38/17 2:49m} h5 {(h6) -0.06/19 9:32m}
30. Ke2 {(Df5) +0.71/18 3:21m} Ba5 {0.00/19 2:41m} 31. Kf1
{+0.71/17 0s} Bxe1 {0.00/20 4:36m} 32. Bxe1 {+0.71/16 0s}
Nf6 {0.00/21 5:13m} 33. Nxd6 {+0.71/15 0s} Rd8 {0.00/20 0s}
34. Nf7 {+0.71/14 0s} Rxd5 {0.00/21 5:28m} 35. Qc4
{+0.71/14 0s} Re8 {(Da1) 0.00/21 9:24m} 36. Re2 {+0.25/20
6:53m} Qa7 {-0.34/21 10:23m} 37. Nd6 {+0.17/20 4:20m} Ra8
{-0.44/21 6:27m} 38. Rxe5 {+0.15/20 4:14m} Qa6 {-0.44/21
3:02m} 39. Re6 {+0.18/21 4:48m} Qxc4+ {-0.44/21 2:54m}
40. bxc4 {+0.16/22 6:04m} Rd4 {(Td1) -0.45/21 1:45m}
41. Bc3 {(c5) +0.45/21 4:49m} Rd1+ {-0.49/20 3:07m} 42. Ke2
{+0.49/22 4:26m} Rg1 {-0.38/21 4:30m} 43. c5 {+0.49/21
6:34m} Rxg6 {-0.89/23 36:01m} 44. Bxf6 {(Kd3) +2.22/21
6:00m} gxf6 {-1.64/21 8:03m} 45. c6 {+2.27/20 6:33m} Rg7
{(Ta3) -1.84/22 9:01m} 46. Kd3 {+2.29/19 0s} Rc7 {-1.97/22
8:18m} 47. Nb5 {+2.29/18 0s} Rcc8 {-1.97/22 52s} 48. Rxf6
{+2.29/17 0s} Ra6 {-2.17/22 9:49m} 49. Nd4 {+2.29/16 0s}
Ra3+ {(Tf8) -2.17/22 12:57m} 50. Kc4 {(c3) +3.30/20 7:02m}
Kh7 {(Kg7) -2.37/21 1:25m} 51. Rf5 {+3.30/19 3:49m} Kh6
{-2.41/22 2:15m} 52. c3 {(Td5) +3.71/19 4:11m } Kg6 {(Kg7)
-3.49/20 5:57m} 53. Rg5+ {(Tc5) +3.87/19 3:15m} Kf6
{-3.21/19 1:22m} 54. Rxh5 {+3.99/20 4:52m} Ra4+ {(Kf7)
-3.65/20 3:58m} 55. Kc5 {+4.46/18 3:25m} Ra7 {-3.65/20
4:03m} 56. Rf5+ {(Th6+) +5.31/19 4:42m} Kg6 {-4.26/21
2:45m} 57. h5+ {(Txf4) +6.21/19 4:00m} Kh6 {-4.36/17 33s}
58. Nb5 {+6.21/19 0s} Re7 {-4.36/17 1:42m} 59. Kd6
{+6.58/20 2:58m} Re3 {-4.98/17 19s} 60. c7 {+6.58/19 0s}
Ra8 {(Txf3) -5.12/17 12s} 61. Kd7 {(Kc6) +6.66/20 4:03m} 1-0

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 11,0:9,0

Game 20

Sicilian Sveshnikov

We had this line already with the default version, but Zappa deviated on move 25, Kh1 instead of 25.h3

The middlegame was balanced, but Rybka got another endgame with slight advantage (exchange up for a pawn) which she could not win (if there was any win, what I did not analyze).

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.06"]
[Round "20"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B33"]
[Result "1/2-1/2"]

1. e4 {1s} c5 {1s} 2. Nc3 {0s} Nc6 {0s} 3. Nge2 {0s} Nf6
{0s} 4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} e5 {0s} 6. Ndb5 {0s}
d6 {0s} 7. Bg5 {0s} a6 {0s} 8. Na3 {0s} b5 {0s} 9. Nd5 {0s}
Be7 {0s} 10. Bxf6 {0s} Bxf6 {0s} 11. c3 {0s} O-O {0s}
12. Nc2 {0s} Bg5 {0s} 13. a4 {0s} bxa4 {0s} 14. Rxa4 {0s}
a5 {0s} 15. Bc4 {0s} Rb8 {0s} 16. Ra2 {0s} Kh8 {0s}
17. Nce3 {0s} Bxe3 {0s} 18. Nxe3 {0s} Ne7 {0s} 19. b3 {0s}
f5 {0s } 20. exf5 {0s} Nxf5 {0s} 21. Nd5 {0s} Bb7 {0s}
22. O-O {White last book move 0s} Rc8 {0s} 23. Qd2
{+0.11/19 5:33m} Rc5 {0s} 24. Rd1 {+0.16/19 13:54m} Nh4
{0s} 25. Kh1 {+0.05/18 8:55m} Bc6 {Black last book move 0s}
26. Qd3 {0.00/19 9:31m} Ng6 {(Qc8) -0.05/19 12:27m}
27. Rad2 {(Qf1) +0.03/19 4:49m} a4 {(Bxd5) -0.03/20 17:30m}
28. Ne3 {+0.23/19 5:24m} axb3 {-0.03/21 6:09m} 29. Bxb3
{(Qxd6) +0.15/19 4:05m} Rf6 {0.00/20 4:04m} 30. Bc2
{+0.23/19 5:00m} Qf8 {(Qg8) 0.00/20 7:17m} 31. c4 {+0.16/20
7:22m} Re6 {(e4) 0.00/20 5:44m} 32. Qb3 {(Qf5) +0.08/18
4:43m} e4 {+0.02/20 16:34m} 33. Kg1 {(Rb1) 0.00/18 8:07m}
Rg5 {+0.06/19 5:52m} 34. Kf1 {(Kh1) 0.00/18 3:23m} Nf4
{+0.03/19 7:50m} 35. Qb6 {0.00/18 3:23m} Rc5 {(Bd7)
+0.01/19 4:40m} 36. Rb1 {0.00/18 3:38m} Re8 {0.00/19 4:15m}
37. Kg1 {(Rbd1) 0.00/20 5:34m} h6 {(Nh3+) +0.12/18 11:15m}
38. h3 {(Rbd1) 0.00/18 3:29m} Qe7 {(Nxh3+) +0.49/17 3:34m}
39. Kh2 {-0.23/17 4:43m} Rf8 {+0.48/17 7:38m} 40. Rb3 {(g3)
-0.49/17 6:08m } Kg8 {+0.55/17 2:17m} 41. Bb1 {-0.45/17
2:52m} Qg5 {+0.55/17 2:28m} 42. Rdb2 {-0.60/17 4:51m} Qf6
{(Qh4) +0.59/17 4:46m} 43. Ng4 {-0.60/17 4:59m} Qd4 {(Qg5)
+0.61/17 1:41m} 44. Qa7 {-0.22/17 6:28m} h5 {+0.67/18
3:56m} 45. Ne3 {-0.22/16 0s} Kh7 {(Nd3) +0.53/18 5:30m}
46. Rb8 {-0.57/17 3:28m} Rf6 {+0.70/18 3:34m} 47. Qe7
{-0.67/17 3:32m} Ng6 {+0.67/19 5:08m} 48. Qd8 {-0.84/17
8:42m} Qe5+ {+0.67/18 6:43m} 49. g3 {-0.64/17 2:36m} Rf8
{+0.67/19 2:14m} 50. Qb6 {-0.64/17 0s} Rxb8 {+0.68/19
2:42m} 51. Qxb8 {-0.64/16 0s} Qf6 {+0.68/19 1:37m} 52. Rd2
{-0.63/18 3:00m} Ne5 {+0.68/17 0s} 53. Qxd6 {-0.63/18 0s}
Nf3+ {+0.77/18 3:01m} 54. Kg2 {-0.57/20 5:00m} Nxd2
{+0.77/17 0s} 55. Qxd2 {-0.58/20 3:15m} Re5 {(h4) +0.77/19
2:49m} 56. Bc2 {(Kg1) -0.54/18 3:21m} h4 {(Re8) +0.82/19
1:56m} 57. gxh4 {(Ng4) -0.45/19 2:51m} Qxh4 {+0.79/19
3:20m} 58. Bd1 {(Ng4) -0.43/21 3:30m} Qf4 {(Qf6) +0.90/21
5:26m} 59. Bg4 {-0.43/20 2:53m} Re7 {(Qf6) +0.90/21 1:40m}
60. Qe2 {(Qd8) -0.43/20 4:04m} Rf7 {(Re5) +0.93/21 4:11m}
61. Be6 {(Qd2) -0.53/19 3:09m} Qf3+ {(Qg5+) +0.94/21 2:43m
} 62. Qxf3 {-0.40/11 0s} Rxf3 {+1.08/24 3:03m } 63. Bf5+
{(Bg4) -0.59/21 3:22m} Kg8 {(g6) +1.18/24 3:23m} 64. h4
{-0.49/21 3:45m} Kf7 {+1.17/24 1:42m} 65. c5 {-0.45/22
3:30m} Ke7 {+1.17/24 1:39m} 66. Bg4 {-0.42/22 5:13m} Rf7
{(Rf8) +1.17/25 5:27m} 67. Kg3 {-0.41/22 5:14m} Kf6 {(Bd7)
+0.97/25 4:54m} 68. Kf4 {-0.41/22 8:00m} Rc7 {(Ke7+)
+0.97/26 5:23m} 69. Bf5 {(Nc4) -0.36/21 1:52m} g6 {+1.08/26
2:13m} 70. Ng4+ {(Bxe4) -0.37/22 2:01m} Kg7 {+1.08/24 0s}
71. Bxe4 {-0.37/22 0s} Bxe4 {+1.08/28 1:37m} 72. Kxe4
{-0.37/21 0s} Rxc5 {+1.08/27 0s} 73. Kf4 {-0.17/25 2:18m}
Rh5 {(Rf5+) +1.04/30 1:52m} 74. Kg3 {-0.01/27 3:36m} Ra5
{+1.04/31 1:26m} 75. f3 {0.00/28 3:44m} Ra6 {(Ra1) +1.04/33
3:35m} 76. Nf2 {0.00/29 2:14m} Kh6 {(Ra4) +1.04/34 1:48m}
77. Kg4 {0.00/31 2:21m} Ra1 {(Ra4+) +1.04/36 2:24m} 78. f4
{(Ne4) 0.00/30 3:49m} Rg1+ {+0.41/32 5:52m} 79. Kh3
{0.00/29 0s} Rf1 {(Kg7) +0.39/33 4:30m} 80. Ng4+ {0.00/27
3:20m} Kg7 {(Kh7) +0.38/33 4:26m} 81. Kg3 {0.00/17 0s} Rg1+
{(Kh7) +0.38/33 5:07m } 82. Kf3 {0.00/28 2:50m} Rh1 {(Rf1+)
+0.38/33 1:46m} 83. Kg3 {0.00/18 0s} Re1 {(Rg1+) +0.38/34
7:39m} 84. Kf3 {0.00/29 5:21m} Rg1 {(Rh1) +0.38/34 4:51m}
85. Nf2 {0.00/29 3:37m} Kh6 {(Rc1) +0.38/34 8:47m} 86. Nh3
{(Ng4+) 0.00/29 3:08m} Rh1 {(Rf1+) +0.31/33 3:32m} 87. Kg4
{0.00/24 0s} Rf1 {(Re1) +0.22/35 4:10m} 88. Ng5 {0.00/21
0s} Rg1+ {(Ra1) +0.22/36 3:08m } 89. Kh3 {0.00/30 3:26m}
Rh1+ {(Rc1) +0.22/36 4:03m} 90. Kg3 {(Kg4) 0.00/30 2:26m }
Rc1 {(Ra1) +0.22/37 3:09m} 91. Kg4 {0.00/31 3:03m} Re1
{+0.22/36 1:39m} 92. Nh3 {(Nf7+) 0.00/31 2:42m} Rh1 {(Rf1)
+0.22/36 1:19m} 93. Ng5 {0.00/32 3:30m} Ra1 {(Rg1+)
+0.22/35 10:06m } 94. Kh3 {(Ne4) 0.00/31 3:56m} Kh5 {(Rh1+)
+0.22/36 5:16m} 95. Ne4 {0.00/19 0s} Rh1+ {(Ra3+) +0.22/36
1:34m} 96. Kg3 {0.00/30 4:31m} Re1 {(Rg1+) +0.22/36 1:26m}
97. Nf6+ {0.00/24 0s} Kh6 {+0.22/37 0s} 98. Kg4 {(Ng4+)
0.00/29 2:41m} Rg1+ {+0.38/33 1:59m} 99. Kh3 {(Kf3) 0.00/30
5:58m} Rd1 {+0.38/34 3:16m} 100. Kg4 {0.00/30 4:06m} Re1
{(Ra1) +0.38/35 4:21m } 101. Kg3 {(Kf3) 0.00/29 3:23m} Kg7
{(Rh1) +0.39/32 2:28m} 102. Ng4 {0.00/29 3:13m} Kf7 {(Re2)
+0.39/32 1:05m} 103. Ne5+ {0.00/28 4:15m} Kf6 {(Kg7)
+0.39/33 1:54m} 104. Nf3 {0.00/29 4:05m } Rd1 {(Re6)
+0.39/33 1:54m} 105. Kg4 {0.00/19 0s} Rh1 {(Kg7) +0.30/33
2:15m} 106. Nd4 {0.00/29 2:57m} Rh2 {(Rg1+) +0.30/34 1:52m}
107. Nf3 {0.00/31 4:31m} Rg2+ {+0.30/34 1:28m} 108. Kh3
{0.00/30 0s} Ra2 {(Rf2) +0.30/34 1:02m} 109. Kg4 {0.00/22
0s} Ra1 {(Rg2+) +0.30/35 2:49m} 110. Nd4 {0.00/30 4:35m}
Rg1+ {(Ra8) +0.30/34 1:16m} 111. Kf3 {0.00/30 4:15m} Rf1+
{+0.30/34 1:36m} 112. Kg4 {0.00/31 4:09m} Rf2 {(Rg1+)
+0.30/35 2:44m} 113. Nf3 {0.00/31 3:56m} Re2 {(Rg2+)
+0.35/34 5:58m} 114. Kh3 {(Ng5) 0.00/25 6:55m} Re8 {(Kg7)
+0.35/34 1:52m} 115. Kg4 {0.00/29 3:29m} Re4 {(Re2)
+0.35/35 1:38m } 116. Ne5 {(Ng5) 0.00/27 2:53m} Rd4 {(Re3)
+0.39/34 2:15m} 117. h5 {0.00/28 6:12m} gxh5+ {+0.39/34
1:53m} 118. Kxh5 {0.00/27 0s} Rxf4 {(Kf5) 0.00/1 1s}
119. Nd7+ {0.00/1 0s} Kf5 {0.00/1 0s} 120. Kh6 {0.00/1 0s}
Rc4 {0.00/1 0s} 121. Nf8 {0.00/1 0s} Re4 {0.00/1 0s}
122. Kg7 {0.00/1 0s} Rc4 {0.00/1 0s} 123. Kf7 {0.00/1 0s}
Rc7+ {0.00/1 0s} 124. Ke8 {0.00/1 0s} Ke5 {0.00/1 0s}
125. Kd8 {0.00/1 0s} Kd6 {0.00/1 0s} 126. Ke8 {0.00/1 0s}
Rg7 {0.00/1 0s} 127. Kd8 {0.00/1 0s} Rf7 {0.00/1 0s}
128. Ke8 {0.00/1 0s} Re7+ {0.00/1 0s} 129. Kd8 {0.00/1 0s}
Rc7 {0.00/1 0s} 130. Ke8 {0.00/1 0s} Rg7 {0.00/1 0s}
131. Kd8 {0.00/1 0s} Rf7 {0.00/1 0s} 132. Ke8 {0.00/1 0s}
Re7+ {0.00/1 0s} 133. Kd8 {0.00/1 0s} Rc7 {Draw accepted
0.00/1 0s} 1/2-1/2

For those who are interested in the Sveshnilov in general there is an video opening survey by GM Karel van der Weide dealing with the line 9.Bf6: which we saw in the match vs. Hiarcs.

http://www.chessedelic.com/

The generic set tests are also updated:

http://cegt.foren-city.de/forum,2,1444d346373ce6ce86743011da718534,-cegt-40-120.html

Kind Regards
Heinz

By Heinz van Kempen (***)

Date 2008-09-09 13:08 Edited 2008-09-09 13:14

Hi all :-),

the lines are repeating, although with different subvariations. So I will only comment more when there is something new and will only give the .pgn of the more interesting games. Of course you will find all games with annotations at the web site.

Just updated:

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 15,0:10,0

Game 21

Sicilian Najdorf (English Attack)

This time Rybka3.ctg with “only” 24 book moves. Zappa in book until move 28 including. The position after the opening is one where Zappa with black is a pawn down, but has a nice advanced pawns majority at the king´s side, pressure along the half-open a-file and Rybka´s knight on a1 Is totally out of play.. Exchange of pieces soon and both had to give a piece for an advanced passed pawn. The endgame was a draw with rook plus knight each when the additional pawn for Zappa was meaningless.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.07"]
[Round "21"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B90"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. Be3 {0s} e5
{0s} 7. Nb3 {0s} Be7 {0s} 8. f3 {0s} O-O {0s} 9. Qd2 {0s}
Be6 {0s} 10. O-O-O {0s} Nbd7 {0s} 11. g4 {0s} b5 {0s}
12. g5 {0s} b4 {0s} 13. Ne2 {0s} Ne8 {0s} 14. f4 {0s} a5
{0s} 15. f5 {0s} Bc4 {0s} 16. Ng3 {0s} Bxf1 {0s} 17. Rhxf1
{0s} a4 {0s} 18. Na1 {0s} a3 {0s} 19. b3 {0s} Kh8 {0s }
20. f6 {0s} gxf6 {0s} 21. Nf5 {0s} fxg5 {0s} 22. Qxb4 {0s}
Rb8 {0s} 23. Qxa3 {0s} Ra8 {0s} 24. Qb2 {White last book
move 0s} Ng7 {0s} 25. Nxd6 {+0.51/19 12:36m} f5 {0s}
26. Nc4 {+0.48/21 14:42m} f4 {0s} 27. Bd2 {+0.54/22 27:57m}
Qc7 {0s} 28. Bc3 {+0.44/20 7:00m} Bf6 {Black last book move
0s} 29. Rd5 {+0.44/20 20:12m} Ne6 {-0.15/18 8:49m} 30. Rfd1
{+0.11/18 13:18m} Nec5 {-0.51/19 21:31m} 31. Bb4 {+0.11/18
1:16m} f3 {-0.51/19 20:25m} 32. Qc3 {(c3) 0.00/18 8:24m}
Rxa2 {0.00/17 4:39m} 33. Rxd7 {0.00/19 2:11m} Nxd7 {0.00/17
0s} 34. Bxf8 {0.00/18 0s} Nxf8 {0.00/17 0s} 35. Kb1
{0.00/20 3:08m} Ra8 {+0.04/20 7:16m} 36. Qxf3 {0.00/21
3:36m} Be7 {+0.01/21 10:27m} 37. Qc3 {(Df5) 0.00/21 2:31m}
Ng6 {+0.38/20 6:49m} 38. Qe3 {(Td5) 0.00/20 52s} Qc6 {(Tb8)
+0.37/20 7:16m} 39. Rd5 {(Sb2) 0.00/18 1:20m} Qf6 {+0.36/19
5:32m} 40. Kb2 {0.00/18 47s} Qf1 {+0.15/19 5:58m} 41. Ra5
{0.00/16 0s} Rf8 {(Td8) +0.24/19 5:41m} 42. Rb5 {0.00/19
3:39m} Qh1 {+0.25/19 4:23m} 43. Qa7 {-0.29/20 17:05m} Qxe4
{+0.41/19 2:28m} 44. Rb7 {-0.27/21 10:54m} Qd4+ {+0.40/20
2:30m} 45. Qxd4 {-0.19/21 5:50m} exd4 {+0.40/19 0s} 46. b4
{-0.19/22 4:51m} Rf2 {(g4) +0.62/19 3:38m} 47. Nb3 {(Se5)
-0.02/18 2:24m} d3 {(Txh2) +0.81/20 5:13m} 48. Nbd2
{-0.27/19 2:43m} g4 {(Txh2) +0.58/20 4:07m} 49. b5
{-0.24/19 2:00m} Rxh2 {+0.45/19 6:00m} 50. b6 {-0.26/20
3:33m} g3 {+0.42/19 7:01m} 51. Rc7 {(Td7) -0.25/20 4:38m}
Rh5 {+0.79/18 3:37m} 52. b7 {-0.25/21 4:36m} Rb5+ {+0.79/17
0s} 53. Kc3 {-0.25/20 0s} Nf4 {(g2) +0.50/18 5:05m} 54. Ne3
{-0.12/20 2:44m} Bd6 {+0.60/18 5:01m} 55. Rd7 {(Tc8+)
-0.12/20 1:37m} Be5+ {+0.76/18 5:16m} 56. Kc4 {-0.12/18 0s}
dxc2 {+0.27/19 6:43m} 57. Nxc2 {-0.09/21 1:34m} g2
{+0.27/20 6:20m} 58. Nf3 {-0.09/21 1:02m} Rb1 {+0.21/19
3:36m} 59. Ne3 {(Td8+) -0.08/21 1:48m} g1=Q {+0.24/18
2:46m} 60. Nxg1 {-0.06/21 3:12m} Rxg1 {+0.13/19 4:03m}
61. Nf5 {-0.06/23 1:29m} Rc1+ {(h5) +0.07/19 3:57m} 62. Kb5
{-0.10/23 1:10m } Ne6 {+0.07/19 2:23m} 63. Re7 {-0.11/23
1:40m} Nc7+ {+0.04/20 2:50m} 64. Ka4 {-0.11/22 0s} Ra1+
{+0.03/20 2:01m} 65. Kb3 {-0.11/21 0s} Rb1+ {+0.03/20 0s}
66. Kc4 {(Kc2) -0.13/24 2:52m} Bh2 {(Lf4) +0.85/20 3:46m}
67. Rd7 {-0.18/23 3:41m} Ne6 {(Tc1+) +0.44/20 5:57m}
68. Re7 {-0.23/23 2:03m} Nf8 {+0.41/19 3:10m} 69. Re2
{-0.19/22 1:58m} Bf4 {(Lc7) +0.34/19 1:59m} 70. Re4
{-0.29/23 2:11m} Rf1 {(Lc7) +0.29/19 5:40m} 71. Nd4
{-0.09/22 2:29m } Bh2 {+0.24/18 1:52m} 72. Re2 {-0.08/23
1:37m} Bg3 {(Lb8) +0.18/18 1:50m} 73. Re3 {-0.08/23 1:53m }
Bh2 {(Lc7) +0.17/19 2:40m} 74. Re2 {0.00/25 1:36m} Rf7
{(Tf5) +0.14/19 2:07m} 75. Rxh2 {-0.05/20 1:28m} Rxb7
{+0.09/19 2:13m} 76. Kd5 {-0.06/22 7:39m} Rd7+ {(Sg6)
+0.03/19 3:00m} 77. Ke4 {-0.03/22 1:41m} Kg8 {(Ta7)
+0.02/19 3:52m} 78. Ra2 {0.00/22 1:44m} Re7+ {(Kf7)
+0.02/18 1:19m} 79. Kf5 {0.00/23 2:18m} Rf7+ {+0.01/19
1:28m} 80. Ke4 {(Kg5) 0.00/24 5:02m} Rf1 {(Sg6) +0.01/19
1:28m} 81. Ra7 {(Sf3) 0.00/23 1:54m} Rd1 {(Tf7) 0.00/20
3:24m} 82. Nf5 {0.00/24 3:58m} Nd7 {(Td7) 0.00/20 2:39m}
83. Ne3 {0.00/26 3:45m} Nc5+ {0.00/20 2:12m} 84. Kf5
{0.00/27 3:05m} Rb1 {(Te1) 0.00/21 3:08m} 85. Ng4 {(Sd5)
0.00/25 4:00m} Rf1+ {(Tb7) 0.00/20 2:20m } 86. Ke5 {0.00/26
2:09m} Nd3+ {(Te1+) 0.00/21 3:48m} 87. Ke6 {0.00/26 1:46m}
Re1+ {(Sf4+) 0.00/21 3:29m} 88. Kd6 {(Kf5) 0.00/27 2:18m }
Kh8 {(Tf1) 0.00/21 2:50m} 89. Nf6 {+0.09/23 2:00m} Rh1
{0.00/20 0s} 90. Kd5 {(Ke6) +0.06/24 4:01m} Nb4+ {(Sf4+)
0.00/21 2:18m} 91. Kc5 {(Ke6) +0.07/24 2:29m} Rh4 {(Th6)
0.00/21 3:16m} 92. Kd6 {+0.08/25 2:30m} Rh1 {(Sd3) 0.00/22
3:08m} 93. Rc7 {(Ke6) +0.07/24 2:47m} Nd3 {0.00/23 4:31m}
94. Rd7 {(Ke6) +0.01/24 3:48m} Rh6 {(Sf4) 0.00/23 2:18m}
95. Rf7 {0.00/27 3:24m} Rh1 {(Sf4) 0.00/24 4:55m} 96. Kd5
{(Ke6) 0.00/25 2:43m} Nf4+ {0.00/23 2:23m} 97. Kd6 {(Ke5)
0.00/26 3:07m} Nd3 {(Td1+) 0.00/25 6:36m} 98. Rc7 {(Ke6)
0.00/26 2:45m} Rh6 {0.00/24 5:07m} 99. Rf7 {0.00/28 1:35m}
Nb4 {(Txf6+) 0.00/24 4:38m} 100. Ke6 {(Ke5) +0.05/25 2:59m}
Rh1 {0.00/23 2:26m} 101. Ke5 {+0.01/24 3:00m} Nd3+ {0.00/24
3:54m} 102. Kf5 {(Ke6) +0.01/25 1:19m} Rf1+ {(Sc5) 0.00/23
3:26m} 103. Ke4 {(Kg5) +0.03/25 1:28m} Nc5+ {0.00/23 5:31m}
104. Kd5 {(Ke5) +0.35/29 14:26m} Rf5+ {0.00/19 0s }
105. Kc4 {(Kc6) +0.35/32 2:17m} Rxf6 {0.00/19 1s} 106. Rxf6
{0.00/45 1:17m} Ne4 {(Kg7) 0.00/1 0s} 107. Rh6 {0.00/1 0s}
Kg7 {0.00/1 0s} 108. Rh2 {0.00/1 0s} Ng5 {0.00/1 0s}
109. Rh1 {0.00/1 0s} Kg6 {0.00/1 0s} 110. Kd3 {0.00/1 0s}
Nf7 {0.00/1 0s} 111. Rh2 {0.00/1 0s} h5 {0.00/1 0s}
112. Re2 {0.00/1 0s} Nh6 {0.00/1 0s} 113. Re8 {0.00/1 0s}
Kf6 {0.00/1 0s} 114. Rh8 {0.00/1 0s} Kg5 {0.00/1 0s}
115. Rc8 {0.00/1 0s} h4 {0.00/1 0s} 116. Rc1 {0.00/1 0s}
Nf5 {0.00/1 0s} 117. Rd1 {0.00/1 0s} Ng3 {0.00/1 0s}
118. Rd2 {0.00/1 0s} Kf4 {0.00/1 0s} 119. Rh2 {0.00/1 0s}
Kg4 {0.00/1 0s} 120. Kd4 {0.00/1 0s} Kg5 {0.00/1 0s}
121. Kd5 {0.00/1 0s} Nf1 {0.00/1 0s} 122. Rg2+ {0.00/1 0s}
Kh5 {0.00/1 0s} 123. Ke4 {0.00/1 0s} h3 {0.00/1 0s}
124. Rg1 {0.00/1 0s} Nd2+ {0.00/1 0s} 125. Kf4 {0.00/1 0s}
Nc4 {0.00/1 0s} 126. Rg7 {0.00/1 0s} Kh6 {0.00/1 0s}
127. Rg3 {0.00/1 0s} h2 {0.00/1 0s} 128. Rh3+ {0.00/1 0s}
Kg6 {0.00/1 0s} 129. Rxh2 {0.00/1 0s} Kf6 {0.00/1 0s}
130. Ke4 {0.00/1 0s} Ke6 {0.00/1 0s} 131. Re2 {0.00/1 0s}
Nb6 {0.00/1 0s} 132. Rc2 {0.00/1 0s} Ke7 {0.00/1 0s}
133. Kf4 {0.00/1 0s} Nd7 {0.00/1 0s} 134. Kg5 {0.00/1 0s}
Ke6 {0.00/1 0s} 135. Kf4 {0.00/1 0s} Kf6 {0.00/1 0s}
136. Rc6+ {0.00/1 0s} Ke7 {0.00/1 0s} 137. Kf5 {0.00/1 0s}
Nb8 {0.00/1 0s} 138. Rb6 {0.00/1 0s} Nd7 {0.00/1 0s}
139. Rc6 {0.00/1 0s} Nb8 {0.00/1 0s} 140. Rb6 {0.00/1 0s}
Nd7 {0.00/1 0s} 141. Rc6 {Draw accepted 0.00/1 0s} 1/2-1/2

Game 22

French Defence (Mac Cutcheon Variation)

This line is rarely seen on top GM level nowadays, The retreat of the bishop 6.Bd2 is considered to be the best continuation. We had a totally closed pawn chain until some queenside action was started giving Rybka two rooks for a queen. The game was quite entertaining, but another draw.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.07"]
[Round "22"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "C12"]
[Result "1/2-1/2"]

1. e4 {2s} e6 {2s} 2. d4 {1s} d5 {2s} 3. Nc3 {0s} Nf6 {1s}
4. Bg5 {0s} Bb4 {1s} 5. e5 {0s} h6 {0s} 6. Bd2 {0s} Bxc3
{0s} 7. bxc3 {0s} Ne4 {0s} 8. Qg4 {0s} Kf8 {0s} 9. Bd3 {0s}
Nxd2 {0s} 10. Kxd2 {0s} c5 {0s} 11. Nf3 {0s} c4 {0s}
12. Be2 {0s} Bd7 {Both last book move 0s} 13. h4 {+0.09/16
3:18m} Qa5 {(Sc6) +0.18/19 5:03m} 14. Qf4 {(Thb1) +0.09/18
4:39m} Qa3 {(Sc6) +0.19/20 4:44m} 15. Rhb1 {+0.08/19 4:01m}
b5 {+0.09/21 10:41m} 16. Ng1 {+0.07/19 3:33m} Kg8 {(Lc6)
+0.12/21 5:11m} 17. Bh5 {0.00/19 3:57m} Be8 {+0.17/21
3:41m} 18. Ne2 {+0.01/19 3:32m} a6 {(Kh7) +0.17/20 1:57m}
19. Ke1 {-0.08/19 3:39m} Nc6 {+0.22/19 2:05m} 20. Qg3
{(Kf1) -0.15/19 3:14m} Kh7 {+0.37/20 4:20m} 21. Kf1
{-0.27/19 3:33m} Rf8 {+0.37/21 4:26m} 22. Bg4 {-0.32/19
5:30m} a5 {+0.37/20 2:00m} 23. Qf3 {-0.36/19 4:52m} Bd7
{(Kg8) +0.37/20 6:29m} 24. Kg1 {(De3) -0.39/18 3:20m} b4
{(Se7) +0.43/20 5:18m} 25. Qe3 {-0.42/19 4:20m} Rab8
{+0.46/20 18:32m} 26. Kh1 {(cxb4) -0.47/18 4:08m} Na7
{(Se7) +0.54/18 3:12m} 27. Qd2 {-0.57/19 8:16m} Rb7 {(Kh8)
+0.55/19 13:09m} 28. Qd1 {(f4) -0.57/18 4:31m} Nc6 {(Tfb8)
+0.56/19 10:03m} 29. Rb3 {(Dd2) -0.30/19 2:58m} cxb3 {(Da4)
+0.76/18 1:05m} 30. axb3 {0.00/8 0s} Qb2 {(Sxe5) +0.70/19
1:25m} 31. Rb1 {-0.21/20 4:24m} bxc3 {+0.70/20 1:12m}
32. Rxb2 {-0.21/19 0s} cxb2 {+0.70/19 0s} 33. Qb1 {-0.21/19
0s} a4 {+0.70/20 5:07m} 34. Qxb2 {-0.21/18 0s} axb3
{+0.70/20 39s} 35. cxb3 {-0.18/20 4:05m} Rfb8 {+0.70/20
3:49m} 36. Nc1 {(Sf4) -0.20/20 4:16m} Rb4 {(Kg8) +0.91/18
1:14m} 37. f4 {-0.06/19 4:29m} Kg8 {(Sxd4) +0.83/18 45s}
38. Qc3 {0.00/22 5:45m } Be8 {(Txd4) +0.82/19 53s} 39. Bd1
{(Kh2) 0.00/21 3:50m} Rxd4 {+0.82/19 41s} 40. Nd3 {0.00/20
0s} Re4 {(Ta8) +0.82/21 1:57m} 41. Qd2 {(Lf3) 0.00/21
2:59m} Rc8 {(Td4) +0.72/21 5:09m} 42. Bf3 {(Kh2) +0.05/21
2:58m} Rd4 {+0.72/21 1:59m} 43. Qc3 {+0.08/21 2:32m} Ra8
{+0.72/22 2:33m} 44. Kh2 {(Dc2) +0.10/20 2:50m} Ra2
{+0.53/19 4:49m} 45. Kg3 {(Kh3) +0.12/20 2:52m} Kh7
{+0.36/20 8:33m } 46. Kh3 {(Sc1) +0.11/20 7:34m} Ra8 {(Kg8)
+0.52/20 3:19m} 47. g4 {(g3) +0.29/19 2:39m} Kg8 {(Ta3)
+0.27/19 9:59m} 48. f5 {+0.41/19 3:27m} Rb8 {(Ta7) 0.00/19
7:15m} 49. h5 {(f6) +0.41/19 2:33m} Rb5 {0.00/18 4:18m}
50. Kg2 {+0.42/19 2:28m} Rb7 {(Ta5) 0.00/19 2:16m} 51. fxe6
{+0.49/19 2:48m} fxe6 {0.00/20 1:18m} 52. Nc5 {+0.49/20
2:53m} Re7 {0.00/19 0s} 53. Kg3 {+0.51/20 6:47m} Kh8 {(Kf8)
0.00/21 1:16m} 54. Be2 {(Lg2) +0.44/19 9:50m} Rb4 {0.00/20
2:59m} 55. Qd2 {+0.37/19 2:55m} Rf7 {0.00/20 5:52m} 56. Bd3
{+0.36/19 3:04m} Re7 {0.00/21 2:50m} 57. Qc3 {(Le2)
+0.36/19 2:40m} Kg8 {(Tb8) -0.09/21 4:33m} 58. Bf1 {(Sa6)
+0.36/19 2:56m} Rb6 {+0.02/18 1:57m} 59. Be2 {(Ld3)
+0.36/20 3:39m} Nd8 {(Tb4) 0.00/20 7:32m } 60. Qa5 {(b4)
+0.39/18 4:45m} Rb8 {0.00/19 1:44m} 61. g5 {(Da6) +0.39/19
4:22m} hxg5 {0.00/18 2:08m} 62. Bg4 {+0.50/20 8:38m} Rc8
{0.00/19 2:05m} 63. b4 {(Da3) +0.25/20 4:53m} Bf7 {0.00/19
1:41m} 64. Qa3 {(Da6) +0.44/19 2:36m} Kh7 {(Sb7) 0.00/19
1:01m} 65. Bd1 {(Da6) +0.53/18 2:32m} Nb7 {(Sc6) -0.10/19
3:36m} 66. Qa7 {(Da6) +0.90/19 7:07m } Bg8 {0.00/19 1:10m}
67. Bc2+ {(Sxb7) +0.46/20 9:33m} Kh8 {0.00/19 1:23m}
68. Bg6 {+0.46/20 0s} Rcc7 {-0.04/22 4:14m} 69. Na6
{+0.46/19 0s} Rc8 {(Tc3+) 0.00/21 2:05m} 70. Qe3 {+0.43/19
5:39m} Rd7 {0.00/20 1:11m} 71. Qxg5 {+0.34/18 5:31m} d4
{0.00/20 1:07m} 72. Bd3 {+0.34/18 0s} Rc3 {(Lh7) 0.00/20
2:10m} 73. Qg6 {+0.59/20 3:49m} Ra3 {0.00/20 1:42m} 74. b5
{+0.56/19 2:21m} Rf7 {0.00/20 5:35m} 75. Qe4 {(b6) +0.23/19
3:12m} Rf1 {0.00/20 3:34m} 76. Kh4 {(h6) +0.55/17 1:21m}
Rd1 {(Tf2) 0.00/19 58s} 77. Bc2 {+0.31/17 39s} Rg1 {(Tc1)
0.00/18 41s} 78. b6 {0.00/16 34s} Rag3 {(Sd8) 0.00/19
1:03m} 79. Qxb7 {0.00/18 52s} d3 {0.00/21 35s} 80. Bxd3
{0.00/18 0s} Rxd3 {0.00/23 1:29m} 81. Qe4 {(Sc5) 0.00/20
3:17m} Rb3 {(Td2) 0.00/25 5:11m} 82. b7 {0.00/21 3:19m} Rb2
{0.00/24 0s} 83. Qf3 {0.00/21 0s} Rh2+ {0.00/27 2:58m}
84. Qh3 {0.00/20 0s} Rxh3+ {0.00/28 2:48m} 85. Kxh3
{0.00/19 0s} Rh1+ {0.00/34 1:53m} 86. Kg4 {(Kg3) 0.00/24
2:57m} Rg1+ {0.00/35 1:51m} 87. Kf4 {0.00/25 3:28m} Rf1+
{0.00/35 2:43m} 88. Kg5 {(Kg4) 0.00/26 3:19m} Rg1+ {0.00/37
2:18m} 89. Kf4 {0.00/26 3:23m} Rf1+ {0.00/36 3:25m} 90. Kg5
{(Ke3) 0.00/26 3:46m} Rg1+ {0.00/38 4:01m} 91. Kf4 {Draw
accepted 0.00/28 4:16m} 1/2-1/2

Game 23

Caro Kann (3.Nc3 4..Bf5)

We had the same line with Rybka 3 Human before. After 30 moves an endgame rook and bishop of the same color..

0,5:0,5

Game 24

Sicilian (Taimanov Variation)

Rybka got six moves more from her book. We got quite a sharp position then, but all ended peacefully with threefold repetition in a rook endgame.

So one win for Zappa and nine draws out of the last ten games!!

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.08"]
[Round "24"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B49"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nc3 {0s} Nc6 {0s} 3. Nge2 {0s} e6
{0s} 4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} Qc7 {0s} 6. Be2 {0s}
a6 {0s} 7. O-O {0s} Nf6 {0s} 8. Be3 {0s} Bb4 {0s} 9. Na4
{0s} Be7 {0s} 10. Nxc6 {0s} bxc6 {0s} 11. Nb6 {0s} Rb8 {0s}
12. Nxc8 {0s} Qxc8 {0s} 13. e5 {0s} Nd5 {0s} 14. Bc1 {0s}
Bc5 {0s} 15. c4 {0s} Ne7 {0s} 16. b3 {0s} Qc7 {0s} 17. Bb2
{0s} d6 {0s} 18. exd6 {0s} Bxd6 {0s} 19. Qd4 {White last
book move 0s} c5 {0s} 20. Qxg7 {+0.75/19 8:13m} Bxh2+ {0s}
21. Kh1 {+0.75/19 0s} Rg8 {0s} 22. Qc3 {+0.65/19 6:05m} Nc6
{0s} 23. Qf3 {+0.60/19 8:54m} Be5 {0s} 24. Bxe5 {+0.60/18
0s} Nxe5 {Black last book move 0s} 25. Qh5 {+0.56/20 6:41m}
Ng6 {-0.29/21 8:57m} 26. g3 {+0.53/20 5:28m} Qe5 {-0.30/21
3:25m} 27. Qf3 {(f4) +0.49/20 6:30m} Ke7 {-0.12/19 5:33m}
28. Rad1 {(Tfe1) +0.47/19 4:37m} h5 {-0.09/20 11:25m}
29. Bd3 {(Td3) +0.52/19 8:16m} h4 {-0.05/16 0s} 30. Bxg6
{+0.28/19 8:38m} Rxg6 {-0.10/19 3:26m} 31. Rd7+ {+0.28/19
3:43m} Kxd7 {-0.09/18 0s} 32. Qxf7+ {+0.28/19 0s} Kc6
{-0.10/17 0s} 33. Qxg6 {+0.28/19 0s} hxg3 {(De2) -0.12/21
4:12m} 34. Qxg3 {+0.18/21 10:25m} Rh8+ {(De2) -0.01/22
27:27m} 35. Kg1 {+0.29/20 6:56m} Qe2 {-0.01/23 14:45m}
36. f4 {+0.28/20 7:42m} Qxa2 {-0.01/23 15:34m} 37. Re1
{+0.12/20 9:17m} Qb2 {-0.01/22 9:24m} 38. Qg2+ {+0.02/19
2:31m} Qxg2+ {-0.01/20 0s} 39. Kxg2 {+0.02/19 0s} Kd7
{0.00/30 4:05m} 40. Ra1 {(Td1+) 0.00/23 4:05m} Rb8 {0.00/32
5:09m} 41. Rxa6 {(Ta3) 0.00/24 2:45m} Rxb3 {0.00/33 2:21m}
42. Ra7+ {0.00/25 2:35m} Kd6 {0.00/34 3:25m} 43. Ra6+
{0.00/27 4:28m} Kd7 {0.00/36 2:44m} 44. Ra7+ {(Txe6)
0.00/27 3:16m} Kc6 {(Kd6) 0.00/35 2:20m} 45. Ra6+ {0.00/27
2:37m} Kd7 {Draw accepted 0.00/37 2:47m} 1/2-1/2

Game 25

Sicilian Najdorf (English Attack)

This is clearly a book win for White. Both engines came back into book by transposition of moves. I checked again, both books are set to optimize!

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.08"]
[Round "25"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B90"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s } 3. d4 {0s} cxd4
{0s} 4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s} 6. Be3 {0s}
e5 {0s} 7. Nb3 {0s} Be7 {0s } 8. f3 {0s} Be6 {0s} 9. Qd2
{0s} h5 {0s} 10. Nd5 {0s} Nxd5 {0s} 11. exd5 {0s} Bf5 {0s}
12. Be2 {0s} O-O {0s} 13. O-O {0s} Nd7 {-0.47/18 4:40m}
14. Na5 {0s} Rb8 {0s} 15. c4 {0s} h4 {0s} 16. b4 {0s} Nf6
{0s} 17. Rad1 {0s} Re8 {0s} 18. h3 {+0.56/18 4:48m} Nh5
{0s} 19. c5 {0s} Ng3 {0s} 20. Rfe1 {0s} Qc7 {0s} 21. Rc1
{0s} Bf6 {0s} 22. Bd1 {White last book move 0s} Red8 {0s}
23. Nc4 {+1.82/18 5:51m} dxc5 {0s} 24. bxc5 {+1.83/16 0s}
Qd7 {Black last book move 0s} 25. Nb6 {+2.23/21 7:00m} Qe8
{-1.92/21 18:23m} 26. Ba4 {+2.23/20 0s} Qf8 {-2.01/21
13:45m} 27. d6 {+2.49/21 23:30m} Be6 {-2.04/20 7:34m}
28. Bb3 {(Sd5) +2.54/20 7:15m} Nf5 {-2.08/19 6:48m}
29. Bxe6 {+2.73/20 7:27m} fxe6 {-2.08/18 0s} 30. Bf2
{+2.73/21 22:43m} g5 {(g6) -2.19/19 5:06m} 31. Re4 {(Dd3)
+2.95/18 3:09m} Qg7 {-2.33/19 5:07m} 32. Rce1 {(Sc4)
+3.13/18 5:50m} Ne7 {(Kh8) -2.42/19 10:10m} 33. Rg4 {(Le3)
+3.87/18 5:15m} Ng6 {-2.74/19 6:07m} 34. Ree4 {+3.87/16 0s}
Rf8 {-2.92/19 5:35m} 35. Be3 {+3.87/15 0s} Nf4 {-3.01/19
7:51m} 36. Bxf4 {+3.87/15 0s} exf4 {-3.01/19 0s} 37. Rexf4
{+3.87/15 0s} Bc3 {-3.14/20 7:37m} 38. Rxf8+ {+4.10/19
10:28m} Rxf8 {-3.48/20 6:34m} 39. Qe3 {+4.10/18 0s} Bf6
{-3.96/19 4:54m} 40. Qxe6+ {+4.10/17 0s} Qf7 {-3.94/19
2:11m} 41. Qe1 {(Dxf7+) +4.10/19 1:59m} Re8 {-3.32/17
3:07m} 42. Qxh4 {+4.28/19 13:46m} Re5 {-3.45/17 4:40m}
43. Qf2 {+4.28/17 0s} Qe6 {-3.68/17 4:26m} 44. Re4 {(f4)
+4.55/18 6:57m} Kg7 {-3.53/18 4:05m} 45. d7 {(De2) +4.55/19
1:40m} Kf7 {-3.18/17 2:48m } 46. Kh2 {(De1) +4.74/19 8:14m}
Bd8 {(Kg6) -3.93/17 6:26m} 47. Qd4 {+4.75/18 3:00m} Rxe4
{-3.93/17 0s} 48. fxe4 {+4.75/17 0s} Qf6 {-4.35/17 4:22m}
49. Qxf6+ {(Dd5+) +6.35/20 32:21m} Kxf6 {(Lxf6) -8.95/22
2:53m} 50. Kg3 {+6.66/16 2:18m} Ke5 {(Ke6) -11.70/22 8:12m}
51. Kg4 {+5.10/14 0s} 1-0

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 14,5:10,5

Game 21

Queen´s Gambit declined (Tartakover Variation)

0,5:0,5

16 moves from the books and a knight vs. bishop endgame already on move 30.

This line was just played a few days ago in a game Carlsen vs. Topalov in Bilbao, where Topalov won with the black pieces.

http://webcast.chessclub.com/Bilbao08/Round3/GOTD.html

Comments by GM Ronen Har-Zvi

Game 22

Sicilian Sveshnikov (9.Nd5)

0,5:0,5

26 moves from book each and an equal (double) rook endgame shortly afterwards.

Game 23

Semi Slav (4.e4)

0,5:0,5

Rybka got no less than 10 moves more from her book. A semi-endgame when Zappa is the exchange down for a pawn after the “theoretical line”, but having the better pawn structure. The endgame with two rooks against rook and knight plus two extra pawns (trading a pair of rooks later) was quite interesting. Another draw however.

Game 24

Sicilian Najdorf (6.Be2)

This time Rybka was out of book first.

Zappa sacrificed a pawn and got the open c-file. But this was not enough. After 54..g5! Rybka got the upper hand advancing her central pawns and then the passed a-pawn and Zappa resigned when finally the rook threatened to come down the open b-file.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.08"]
[Round "24"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B92"]
[Result "0-1"]

1. e4 {0s} c5 {1s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s} 6. Be2 {0s} e5
{0s} 7. Nb3 {0s} Be7 {0s } 8. O-O {0s} O-O {0s} 9. Kh1 {0s}
Nc6 {0s} 10. f3 {0s} b5 {0s} 11. Be3 {0s} Na5 {0s} 12. Nxa5
{0s} Qxa5 {0s} 13. Qd2 {0s} Qc7 {Black last book move 0s}
14. Rac1 {0s} Bb7 {+0.01/20 6:12m} 15. a3 {0s} Rac8
{+0.06/20 7:01m} 16. Rfd1 {White last book move 0s} h6
{+0.09/19 3:36m} 17. Nd5 {(Bf1) +0.48/21 5:34m} Nxd5
{+0.03/20 2:54m} 18. exd5 {+0.48/20 0s} f5 {(Qd8) 0.00/21
6:45m} 19. c4 {+0.51/21 5:34m} bxc4 {0.00/21 2:44m}
20. Rxc4 {+0.46/20 3:32m} Qd7 {0.00/21 4:41m} 21. b3
{+0.45/20 6:51m} Bf6 {(Kh8) -0.08/21 28:24m} 22. Bd3
{+0.50/19 6:15m} h5 {(Kh8) -0.13/20 19:07m} 23. Bf2 {(Rdc1)
+0.58/18 7:53m} g6 {(Kh8) 0.00/16 1:42m} 24. Ra4 {(Kg1)
+0.55/18 5:05m} Ra8 {-0.01/18 2:10m} 25. Rc1 {(Bc4)
+0.50/18 5:51m} Qf7 {(Rfe8) 0.00/17 5:44m} 26. Rac4 {(Bc4)
+0.54/17 5:01m} Rfe8 {(Rfc8) 0.00/19 2:18m} 27. Be2 {(Rc7)
+0.64/18 5:10m} Bxd5 {(Rac8) +0.05/17 2:02m} 28. b4 {(Rc7)
+0.55/19 5:17m } Qe6 {0.00/19 1:53m} 29. Rc7 {+0.49/19
4:52m} Re7 {0.00/19 53s} 30. Qh6 {+0.28/20 7:26m} Bg7
{0.00/19 51s} 31. Qg5 {(Qd2) +0.28/20 6:37m} Rf7 {(Qf6)
+0.21/18 2:34m} 32. Qd2 {+0.41/18 4:23m} Kh7 {+0.17/18
1:29m} 33. Bf1 {(Kg1) +0.41/18 2:57m} e4 {(Kh8) +0.24/18
4:19m} 34. f4 {+0.48/19 5:45m} Kh6 {(Bf6) +0.24/19 4:52m}
35. Bd4 {+0.51/19 3:05m} Bf8 {(Bxd4) 0.00/18 1:07m} 36. Kg1
{(Rxf7) +0.80/17 3:18m} Be7 {(Bb7) +0.23/17 2:36m} 37. Bc4
{(Rd1) +0.63/18 6:32m} Bxc4 {(Bf6) +0.32/18 34s} 38. R7xc4
{+0.28/19 4:21m} Bf6 {+0.32/19 1:44m} 39. Bxf6 {(Qc3)
0.00/18 2:54m } Qxf6 {+0.26/18 26s} 40. Rd4 {(Rc6) 0.00/17
1:40m} Rd8 {(Rd7) +0.42/18 1:02m} 41. Rc6 {-0.40/18 3:34m}
Qg7 {+0.41/20 7:28m} 42. Qc3 {(Rxa6) -0.48/18 3:34m} d5
{(Rb7) +0.71/19 4:45m} 43. h3 {-0.52/18 5:52m} Ra7 {(Kh7)
+0.71/19 4:48m} 44. Kh2 {-0.36/18 2:49m} Kh7 {+0.68/19
6:31m} 45. Qe3 {(a4) -0.52/19 4:24m } Qb7 {(Qe7) +0.68/20
23:34m} 46. Qc1 {(Rc5) -0.52/20 2:49m} Qb8 {(Qg7) +0.85/19
2:13m} 47. Kg1 {-0.48/18 3:04m} Rd6 {(Rdd7) +0.79/18 2:38m}
48. Rc8 {-0.25/20 2:32m} Qb5 {(Qb6) +0.84/19 1:18m} 49. Qc3
{(Qc5) -0.42/18 2:42m} Rg7 {+0.85/18 1:08m} 50. Rc5
{-0.49/20 3:39m} Qd7 {+0.89/18 2:28m} 51. Kf1 {(Qd2)
-0.54/19 3:15m} Qd8 {+0.93/20 4:34m} 52. Kg1 {(a4) -0.55/20
3:03m} Rgd7 {(Qf6) +0.94/19 2:08m} 53. Qd2 {(a4) -0.57/19
3:02m} Kh6 {(Qe7) +0.94/19 1:32m} 54. Kh2 {(a4) -0.65/20
3:03m} g5 {(Qe7) +0.99/19 4:57m} 55. Kg1 {(a4) -0.84/17
2:37m} Kg6 {+1.03/19 2:29m} 56. fxg5 {(a4) -1.11/19 13:08m}
Qxg5 {+1.28/17 49s } 57. Qe2 {-1.19/18 3:19m} Qf6 {+1.85/17
14:39m} 58. Qd1 {(Qd2) -1.28/18 3:39m} Qe5 {+1.89/15 1:10m}
59. a4 {(Kh1) -1.50/18 8:07m} e3 {(f4) +2.16/16 56s}
60. Rc2 {-1.85/17 2:06m} f4 {(Kh6) +2.73/16 3:37m} 61. b5
{-2.49/16 6:31m} axb5 {(Kh6) +2.73/14 0s} 62. h4 {(axb5)
-3.29/16 10:51m} bxa4 {+4.03/15 2:09m} 63. Qd3+ {(Ra2)
-3.84/16 3:07m} Qf5 {+4.03/13 0s} 64. Qd1 {(Qe2) -5.03/16
3:52m} a3 {(Kh7) +5.22/14 8:12m} 65. Re2 {(Rd3) -5.03/14
1:46m} Rb7 {+6.63/12 51s} 0-1

Game 25

Semi Slav

Rybka won a pawn a few moves after the opening line and could convert this advantage to a win in an endgame with bishops of the same color.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.08"]
[Round "25"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "D47"]
[Result "1-0"]

1. Nf3 {0s} Nf6 {0s} 2. d4 {0s} e6 {0s} 3. c4 {0s} d5 {0s}
4. Nc3 {0s} c6 {0s} 5. e3 {0s} Nbd7 {0s } 6. Bd3 {0s} dxc4
{0s} 7. Bxc4 {0s} b5 {0s} 8. Bd3 {0s} Bb7 {0s} 9. a3 {0s}
b4 {0s} 10. Ne4 {0s} Nxe4 {0s} 11. Bxe4 {0s} bxa3 {0s}
12. bxa3 {0s} Bd6 {0s} 13. Rb1 {0s} Qc8 {0s} 14. Qc2 {0s}
h6 {0s} 15. Nd2 {0s} Rb8 {0s} 16. Nc4 {Both last book move
0s} Be7 {-0.64/20 7:37m} 17. Na5 {+0.72/21 5:49m} Ba6
{(0-0) -0.59/20 4:14m} 18. Nxc6 {(Rxb8) +0.82/20 4:18m}
Rxb1 {-0.62/20 4:57m} 19. Qxb1 {+0.82/19 0s} Nf6 {-0.62/20
4:50m} 20. Nxe7 {+0.81/21 3:15m} Qc4 {-0.64/20 4:24m}
21. Bf3 {+0.85/21 4:10m} Kxe7 {-0.64/19 0s} 22. Qb4+
{+0.86/22 4:05m} Kd7 {(Qxb4+) -0.69/21 5:06m} 23. Bd2
{(Qxc4) +0.84/22 6:45m} Rc8 {-0.65/21 4:52m} 24. Qxc4
{+0.85/22 4:52m} Bxc4 {-0.71/22 12:45m} 25. Bb4 {(Bc3)
+0.75/23 4:12m} Bd5 {(g5) -0.73/21 4:17m } 26. Bd1
{+0.75/22 4:20m} Bc6 {-0.64/21 5:43m} 27. f3 {+0.78/23
9:45m} Nd5 {-0.64/21 5:24m} 28. Bd2 {+0.78/24 6:21m} Nc7
{(Rb8) -0.63/21 6:44m} 29. h4 {(Rf1) +0.88/20 6:04m} Rb8
{-0.64/21 5:00m} 30. Bc1 {+0.85/22 2:53m} Nb5 {-0.66/21
3:32m} 31. Bc2 {+0.86/22 5:51m} Nd6 {-0.65/19 4:24m} 32. h5
{+0.84/22 5:20m} Ke7 {(Bd5) -0.65/19 5:55m} 33. Ke2
{+0.82/20 6:22m} a5 {-0.62/20 3:41m} 34. Kd2 {(Rh4)
+0.78/21 8:08m} Nc4+ {-0.62/19 2:51m} 35. Kd1 {(Ke2)
+0.79/21 3:28m} Nb2+ {-0.62/18 2:56m} 36. Ke2 {(Kd2)
+0.77/23 4:45m} Bb5+ {-0.58/20 3:01m} 37. Kd2 {+0.77/24
3:52m} Nc4+ {-0.57/21 5:40m} 38. Kd1 {+0.77/23 7:41m} Rc8
{(f5) -0.57/21 1:53m} 39. Rh4 {+0.68/19 2:48m} Nb6
{-0.57/20 2:31m} 40. Rh2 {(Rh3) +0.66/21 4:23m} f5 {(Rc3)
-0.52/18 1:46m} 41. Rh1 {(Rh4) +0.67/21 4:57m} Nd5 {(Ba4)
-0.55/18 3:03m} 42. e4 {(Bd2) +0.71/22 5:01m} Nc3+ {(fxe4)
-0.60/19 3:04m} 43. Kd2 {+0.71/20 0s} Ne2 {-0.69/20 4:33m}
44. a4 {+1.07/18 1:43m} Ba6 {-0.91/19 8:37m} 45. Ba3+
{+1.29/19 2:58m} Ke8 {-1.05/20 6:09m} 46. Bc5 {+1.29/21
1:57m} Rd8 {-1.08/20 4:40m} 47. Rb1 {(Bb6) +1.45/22 2:38m}
Nxd4 {-1.08/11 0s} 48. Bxd4 {+1.45/21 0s} Rxd4+ {-1.19/20
3:00m} 49. Ke3 {+1.45/21 0s} e5 {(Rc4) -1.26/20 5:52m}
50. exf5 {+1.98/22 1:36m} Ke7 {-1.51/21 5:21m} 51. g4
{+1.87/24 1:34m} Rd6 {-1.69/20 5:04m} 52. Be4 {(Rb8)
+2.14/24 1:33m} Bc4 {(Rd8) -1.52/20 2:21m} 53. Rc1 {(Rb8)
+2.14/24 1:56m} Bb3 {-0.75/20 2:43m} 54. Rc5 {(Rc7+)
+2.14/23 0s} Bxa4 {-0.75/13 0s} 55. Rxe5+ {+2.14/26 2:55m}
Kf6 {-0.97/22 3:10m} 56. Rxa5 {+2.15/28 2:25m} Bb3
{-1.18/22 5:28m} 57. Kf4 {(Ra7) +2.15/28 2:22m} Bf7 {(Rb6)
-1.26/22 4:39m} 58. Rc5 {(Bb1) +2.74/25 3:45m} Bb3 {(Rd7)
-2.72/21 6:05m} 59. Rc6 {+3.12/29 3:40m} Rxc6 {-3.00/24
2:15m} 60. Bxc6 {+3.12/28 0s} Bf7 {-3.04/27 4:58m} 61. Bd7
{+4.30/33 11:02m} Ke7 {(Bc4) -3.04/26 2:10m} 62. Be6
{+4.30/31 0s} Be8 {-3.04/25 0s} 63. Bg8 {(Kg3) +4.30/31 0s}
Bc6 {(Ba4) -3.05/26 2:19m} 64. Kg3 {(Bh7) +4.70/34 12:23m}
Ke8 {(Bd7) -3.05/26 2:16m} 65. f4 {+4.70/35 18:55m} Kf8
{-3.05/27 2:18m} 66. Bh7 {+4.70/32 0s} Bb5 {(Kf7) -4.44/28
6:05m} 67. g5 {(Bg6) +5.08/30 2:18m} Be2 {-4.48/27 1:59m}
68. Bg6 {+5.08/31 1:31m} Bc4 {-4.48/27 1:52m} 69. f6 {(Kf3)
+5.08/31 1:05m} gxf6 {-4.44/13 0s} 70. gxh6 {+5.08/29 0s}
Kg8 {(Bd5) -4.77/29 3:52m} 71. Kf2 {(h7+) +5.09/33 2:54m}
Ba6 {(Kh8) -6.03/28 6:03m} 72. Ke3 {+5.09/31 1:18m} Kh8
{(Bc4) -6.03/28 1:57m} 73. Kd4 {(Ke4) +5.09/32 7:24m} 1-0

Kind Regards
Heinz

By Heinz van Kempen (***)

Date 2008-09-10 14:32 Edited 2008-09-10 14:42

Hi all :-),

both matches with the same score currently. I am currently investigating a bit how the Rybka personalities would play in the Carlsen games in Bilbao just in progress and will report later regarding this.

The website is up-to-date:

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 18,0:12,0

Game 26

Sicilian Najdorf (English Attack) A80

Rybka got a few more moves out of book. But a very dubious move 23..Ba2:? (reminding a famous blunder by Fischer vs. Spassky in the World Championship match).
This bishop got trapped and although not being lost immediately was out of play over the whole game. On move 67 the bishop was finally doomed but Zappa had already a won position for a long time. Every better amateur player would avoid a move like 23..Ba2: in this position without calculating a lot, just because of the general consideration not wanting to have locked out this piece forever.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.08"]
[Round "26"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B80"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. f3 {0s} e6
{0s} 7. Be3 {0s} b5 {0s} 8. Qd2 {0s} Nbd7 {0s} 9. g4 {0s}
b4 {0s} 10. Nce2 {0s} h6 {0s} 11. O-O-O {0s} Qc7 {0s}
12. Re1 {0s} Bb7 {0s} 13. Qxb4 {White last book move 0s} d5
{0s} 14. Qc3 {-0.44/18 5:13m} Qxc3 {0s} 15. Nxc3 {-0.44/17
0s} dxe4 {0s} 16. Nxe4 {-0.12/19 4:51m} Nxe4 {0s} 17. fxe4
{-0.12/18 0s} Bxe4 {Black last book move 0s} 18. Rg1
{-0.12/17 0s} Bd6 {+0.10/20 11:30m} 19. Re2 {(Lg2) -0.11/17
3:34m} Nf6 {+0.26/18 6:00m} 20. Nb3 {(h4) -0.13/17 3:52m}
Bd5 {+0.25/18 4:05m} 21. Rf2 {(Kb1) -0.20/18 4:35m} O-O
{+0.43/19 5:23m} 22. Bd3 {(c4) -0.11/18 5:04m} Rfc8 {(Tfd8)
+0.40/19 7:42m} 23. Nd2 {(Kb1) -0.15/17 4:04m} Bxa2 {(a5)
+0.39/18 6:16m} 24. b3 {+0.15/18 8:43m} Nd5 {+0.34/18
5:47m} 25. Bd4 {+0.15/17 0s} Ba3+ {(a5) +0.34/19 7:52m}
26. Kd1 {+0.07/18 6:28m} Nb4 {(a5) +0.38/19 6:41m} 27. Be4
{+0.60/18 5:12m} Nc6 {+0.23/20 5:34m} 28. Bc3 {(Le3)
+0.56/19 6:37m} Ra7 {+0.40/18 4:23m} 29. Rg3 {+0.56/18
4:31m} Be7 {(a5) +0.60/18 3:45m} 30. Rgf3 {(Kc1) +0.52/18
4:22m} f6 {(Lc5) +0.13/19 10:52m} 31. Nc4 {+0.62/18 6:15m}
Nb4 {(Tac7) +0.07/20 9:56m} 32. Nb6 {(Td2) +0.84/20 6:12m}
Rb8 {+0.10/17 1:54m} 33. Bd4 {+0.82/19 4:50m} h5 {(Tc7)
+0.14/18 2:24m} 34. h3 {(Sc8) +0.75/18 4:18m} Bd8 {(Tc7)
+0.07/18 3:20m} 35. Na4 {(Sc4) +0.95/19 4:33m} Rd7
{-0.28/18 3:56m} 36. Rd2 {+0.95/18 0s} hxg4 {(Le7) -0.28/19
5:18m } 37. hxg4 {+0.94/9 0s} Be7 {-0.43/18 1:39m} 38. Bb6
{(Lc5) +0.94/19 6:31m} Rxd2+ {(Td6) -0.33/17 1:28m}
39. Kxd2 {+0.94/10 0s} Bd6 {(Kf7) -0.24/20 2:32m} 40. Kc1
{(Kc3) +0.89/18 5:50m} Be5 {-0.27/17 44s} 41. Bf2 {(Lc5)
+0.90/19 4:13m} Ba1 {(Tc8) -0.30/19 3:31m} 42. Bc5 {(Th3)
+1.30/19 4:16m} a5 {(Sd5) -0.36/21 5:05m} 43. Bb6 {+1.57/20
5:57m} Kf7 {(Le5) -0.58/21 13:49m} 44. Bxa5 {+1.63/19
4:15m} Rb5 {(Sd5) -0.71/21 7:05m} 45. Bc7 {+1.65/18 0s }
Rg5 {(Ke7) -0.75/21 4:19m} 46. Rg3 {+1.53/8 0s} Nd5
{-0.81/21 11:19m} 47. Bd6 {+1.97/20 10:32m} Bd4 {(Kg8)
-0.86/21 3:42m} 48. Rd3 {+2.12/20 3:22m} Ba1 {-0.87/22
8:00m} 49. Bf3 {+2.12/19 0s} f5 {-0.85/23 6:31m} 50. gxf5
{+2.09/20 7:30m} Rxf5 {-0.85/24 12:07m} 51. Ba3 {(Sb2)
+2.09/20 3:54m} Bf6 {-1.12/19 2:53m} 52. Nc5 {(c4) +2.26/20
6:38m} Rg5 {-1.12/19 40s} 53. Ne4 {+2.27/20 3:48m} Rg1+
{-1.19/20 46s} 54. Rd1 {+2.38/21 4:56m} Rxd1+ {-1.38/21
57s} 55. Bxd1 {+2.37/22 3:30m} Be5 {-1.38/22 1:20m}
56. Bh5+ {+2.39/21 3:37m} g6 {-1.55/23 4:07m} 57. Bf3
{+2.52/20 2:58m} Ne3 {-1.70/23 7:34m} 58. Bb4 {(Sc5)
+2.93/20 7:22m} Nd5 {-1.93/20 53s} 59. Bd2 {+3.09/21 2:48m}
Bd4 {(Ke7) -2.02/21 1:10m} 60. Bd1 {+3.28/21 3:39m} Ke7
{-2.22/22 2:04m} 61. c3 {(c4) +3.61/21 2:33m} Be3 {-2.64/21
51s} 62. c4 {(Kb2) +3.88/22 8:05m} Bxd2+ {-2.78/21 1:14m}
63. Nxd2 {+3.88/20 0s} Ne3 {-2.96/22 1:09m} 64. Be2
{+3.95/21 0s} Nf5 {(Kf6) -2.96/23 52s} 65. Kb2 {+4.01/22
2:50m} Nd4 {(Lxb3) -3.46/23 3:58m} 66. Bg4 {+4.38/22 3:39m}
Bxb3 {-3.58/23 40s} 67. Nxb3 {+4.38/22 0s} Nc6 {(Sf5)
-3.78/23 1:12m} 68. Kc3 {+4.68/22 2:11m} Ne5 {-3.85/23 34s}
69. Be2 {+4.90/23 4:44m} g5 {-3.90/24 52s} 70. Kd4 {(Sd2)
+5.18/23 2:48m} Kf6 {(Sc6+) -4.10/23 48s} 71. c5 {+5.22/22
1:59m} g4 {-4.50/23 1:42m} 72. Ke3 {(Ke4) +5.37/22 2:45m}
g3 {-5.09/23 3:04m} 73. Bf3 {+5.65/22 5:12m} Ke7 {-5.09/24
1:03m} 74. Kf4 {+5.86/21 3:06m} 1-0

Game 27

Sicilian (Richter Rauser)

Rybka out of book on move 21, but having some advantage afterwards for a long time. Zappa sacrificed the exchange on move 25 and the game was very sharp then, but finishing in a drawn rook endgame after many exchanges.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.09"]
[Round "27"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B66"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. d4 {0s} cxd4
{0s} 4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} d6 {0s } 6. Bg5 {0s}
e6 {0s} 7. Qd2 {0s} a6 {0s} 8. O-O-O {0s} h6 {0s} 9. Nxc6
{0s} bxc6 {0s} 10. Bf4 {0s} d5 {0s} 11. Qe3 {0s} Be7 {0s}
12. Be2 {0s} O-O {0s} 13. h4 {0s} Bb7 {0s} 14. Rh3 {0s} c5
{0s} 15. Bxh6 {0s} d4 {0s} 16. Qg3 {0s} Ne8 {0s} 17. h5
{0s} Kh7 {0s} 18. Bf4 {0s} Qa5 {0s} 19. Nb1 {0s} Qxa2 {Both
last book move 0s} 20. f3 {+0.84/17 5:01m} Bc8 {(Td8)
-0.48/18 5:01m} 21. Bg5 {(Le5) +0.93/18 12:52m } Bxg5+
{-0.73/19 6:45m} 22. Qxg5 {+0.93/16 0s} e5 {-0.90/20 9:49m}
23. g4 {+0.49/19 31:22m} Rb8 {-0.69/20 14:15m} 24. b3
{+0.50/20 15:45m} Be6 {-0.76/20 8:48m} 25. Qxe5 {+0.50/20
9:25m} Rxb3 {-0.63/20 10:27m} 26. cxb3 {+0.50/21 15:28m}
Qxe2 {-0.63/20 0s} 27. Rh2 {+0.50/20 5:31m} Qxf3 {-0.63/20
5:29m} 28. h6 {+0.36/21 5:24m} g5 {(De3+) -0.64/20 7:29m}
29. Qxc5 {+0.35/16 1:21m} Rg8 {-0.62/19 3:46m} 30. Qxd4
{+0.42/17 1:44m} Nf6 {-0.62/19 3:43m} 31. Nc3 {(Tc2)
+0.40/18 2:21m} Nxg4 {-0.65/19 3:27m} 32. Rb2 {+0.37/19
2:29m} Rg6 {-0.51/19 4:48m} 33. Kb1 {+0.37/19 1:53m} Rxh6
{(Df6) -0.45/19 6:02m} 34. Rg1 {(Ka2) +0.38/17 1:59m } Qf4
{-0.47/18 3:17m} 35. Nd5 {+0.45/17 31s} Bxd5 {-0.60/19
3:35m} 36. Qxd5 {+0.30/18 46s} Ne5 {-0.60/19 2:58m}
37. Rgg2 {+0.30/18 38s} Nf3 {(Th3) -0.57/19 4:12m} 38. Rbf2
{+0.41/18 1:41m} Rh1+ {(g4) -0.66/19 2:39m} 39. Ka2
{+0.41/16 0s} g4 {-0.66/20 4:29m} 40. Rxg4 {(Df5+) +0.55/19
2:29m } Qxg4 {-0.63/8 0s} 41. Qxf7+ {+0.68/22 2:50m} Qg7
{-0.56/21 3:02m} 42. Qxg7+ {+0.68/21 0s} Kxg7 {-0.56/21 0s}
43. Rxf3 {+0.68/21 0s} Rh4 {-0.54/24 3:22m} 44. e5
{+0.53/28 3:35m} Rh5 {-0.51/25 2:57m} 45. Rf6 {(Te3)
+0.99/31 4:05m} Rxe5 {(a5) -0.01/27 3:29m} 46. Rf4
{+0.15/25 2:53m} Kg6 {-0.01/27 2:32m} 47. Ka3 {+0.14/30
3:06m} Rf5 {(Kg5) 0.00/29 2:25m} 48. Rg4+ {(Te4) +0.19/31
3:33m } Kf6 {0.00/31 2:35m} 49. Ra4 {(Kb4) +0.19/33 12:01m
} Rd5 {(a5) 0.00/33 3:09m} 50. Re4 {(Txa6+) +0.02/29 2:46m}
Rg5 {(Te5) 0.00/30 2:26m} 51. Ka4 {(Kb2) +0.09/32 3:08m}
Rg2 {(Td5) 0.00/29 3:08m} 52. Ka5 {+0.09/33 3:48m} Ra2+
{(Tb2) 0.00/29 3:34m} 53. Kb4 {+0.09/31 3:57m} a5+ {(Kf5)
0.00/30 3:46m} 54. Kb5 {(Kc5) +0.09/32 1:48m} Rb2 {(Ta3)
0.00/31 2:44m} 55. Re3 {(Tf4+) +0.09/30 1:15m} Ra2 {0.00/32
4:08m} 56. Kc4 {(Te4) +0.09/31 3:06m} Kg5 {(Kf5) 0.00/29
3:11m} 57. Rf3 {(Kd3) +0.10/30 1:58m} Rg2 {(Kg4) 0.00/29
3:08m } 58. Kc3 {(Kb5) +0.10/31 3:30m} Kg6 {(Th2) 0.00/30
3:03m} 59. Rf1 {(Th3) +0.10/31 1:41m} Re2 {(Tg4) 0.00/29
3:19m} 60. Rf8 {+0.10/31 1:21m} Kg5 {(Th2) 0.00/29 3:00m}
61. Kc4 {(Tf7) +0.10/32 3:37m} Rc2+ {(Te4+) 0.00/29 3:08m}
62. Kb5 {(Kd4) +0.10/32 1:14m} Rb2 {0.00/30 36s} 63. Rf3
{(Tg8+) +0.10/32 4:37m} Kg4 {(Ta2) 0.00/31 2:51m} 64. Rd3
{(Te3) +0.09/31 3:33m} Ra2 {0.00/30 3:21m} 65. Rd8 {(Te3)
+0.09/32 3:18m} Kf4 {(Kf3) 0.00/31 5:29m} 66. Re8 {(Tg8)
+0.09/32 2:31m} Rb2 {0.00/33 4:16m} 67. Kc4 {(Tf8+)
+0.09/32 1:22m} Rc2+ {0.00/30 5:08m} 68. Kd4 {(Kd5)
+0.09/32 1:59m} Rd2+ {0.00/30 4:06m} 69. Kc3 {(Kc5) adjud.
Draw accepted +0.01/32 2:53m} 1/2-1/2

Game 28

Caro Kann (Advance Line)

Rybka gave the exchange correctly evaluating that in the arising position the rook was stronger than the bishop pair, because a passed a-pawn could be created and additionally Rybka had a passed e-pawn.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.09"]
[Round "28"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B12"]
[Result "0-1"]

1. e4 {0s} c6 {0s} 2. d4 {0s} d5 {0s} 3. e5 {0s} Bf5 {0s}
4. Nf3 {0s} e6 {0s} 5. Be2 {0s} Nd7 {0s } 6. O-O {0s} Ne7
{0s} 7. Nh4 {0s} c5 {0s} 8. Na3 {0s} Be4 {0s} 9. f3 {0s}
Bg6 {0s} 10. c3 {White last book move 0s} Nc6 {0s} 11. Nxg6
{+0.17/18 2:58m} hxg6 {0s} 12. Be3 {+0.11/17 2:44m} Be7
{Black last book move 0s} 13. Nc2 {+0.32/17 2:54m} cxd4
{(Tc8) +0.14/20 5:24m} 14. cxd4 {+0.45/17 3:24m} Rc8
{+0.14/21 5:11m} 15. Qd2 {(Tb1) +0.45/17 3:46m} O-O {(Da5)
+0.12/21 7:17m} 16. Bd3 {+0.50/19 5:55m} Qb6 {(Da5)
+0.13/20 8:56m } 17. Rfc1 {(Tab1) +0.48/19 3:11m} Na5
{+0.16/21 5:09m} 18. b3 {+0.39/20 5:17m} Rc7 {+0.15/20
10:37m} 19. Kh1 {(Tab1) +0.39/20 5:39m} Rfc8 {+0.21/21
3:48m} 20. Rab1 {(g3) +0.34/19 8:52m} Nc6 {+0.26/20 10:10m}
21. Qd1 {(f4) +0.31/19 3:17m} Nb4 {(a6) +0.37/19 2:23m}
22. Nxb4 {+0.38/10 0s} Bxb4 {(Dxb4) +0.26/20 4:06m}
23. Rxc7 {0.00/19 3:24m} Rxc7 {+0.35/21 1:23m} 24. Qe2
{(f4) -0.07/20 9:31m } Nb8 {+0.42/20 1:52m} 25. Rd1 {(g3)
-0.14/19 3:38m} Nc6 {+0.37/21 2:59m} 26. Bb1 {-0.10/19
2:38m} Bc3 {+0.50/21 17:13m} 27. h4 {(g4) 0.00/19 5:18m}
Bxd4 {(Kf8) +1.30/20 1:18m} 28. Rxd4 {(Lxd4) +0.46/7 0s}
Nxd4 {+1.43/17 0s} 29. Qd1 {-0.56/20 3:15m} Qc5 {+1.43/16
0s} 30. Bxd4 {(Kh2) -0.63/21 4:58m} Qc1 {+1.30/18 0s}
31. Qg1 {-0.63/21 0s} Qxg1+ {+2.50/22 2:03m} 32. Bxg1
{-0.63/20 0s} Rc1 {+2.50/21 0s} 33. Bd3 {-0.63/19 0s} Rd1
{+2.50/21 0s} 34. Be2 {-1.35/23 6:11m} Rd2 {+2.50/20 0s}
35. Bf1 {-1.35/23 10:34m} Rxa2 {+2.50/19 0s} 36. Bd4
{-1.67/22 3:10m} b6 {(Td2) +2.73/24 2:32m} 37. Bb5 {(Kg1)
-1.39/21 4:21m} Rd2 {+3.57/23 3:00m} 38. Bg1 {-1.39/20 0s}
Rb2 {(f6) +3.57/22 0s} 39. Ba4 {-1.38/19 0s} b5 {(f6)
+3.57/22 0s} 40. Bxb5 {-1.11/9 0s} Rxb3 {+3.57/22 0s}
41. Bd7 {(Le8) -1.96/21 3:21m} a5 {(d4) +3.57/21 0s}
42. Kh2 {(Lc5) -2.37/21 5:32m} Rb7 {(Tc3) +3.88/25 5:33m}
43. Be8 {-1.96/9 0s} Rb2 {(Tb8) +3.88/23 0s} 44. Kg3 {(Lc5)
-3.60/21 7:25m} Ra2 {+3.97/25 4:48m} 45. Bc5 {-3.81/22
8:03m} a4 {+3.97/23 0s} 46. Kf4 {-3.84/22 3:58m} a3
{+3.98/25 2:04m} 47. Be7 {(Ld6) -3.98/21 4:20m} Ra1
{+3.98/25 2:42m} 48. Ba4 {-3.98/21 0s} Rb1 {+3.98/26 3:28m}
49. Bxa3 {-3.98/20 0s} Ra1 {+3.98/25 0s} 50. Be7 {-3.98/20
0s} Rxa4+ {+3.98/24 0s} 51. Ke3 {-3.98/20 0s} Ra2 {(Ta7)
+4.46/26 8:26m} 52. g4 {(g3) -4.32/23 6:51m} f6 {(Ta7)
+4.96/26 37:42m} 53. exf6 {-3.49/21 2:58m} e5 {+5.12/19
3:16m} 54. fxg7 {(Kd3) -3.49/21 0s} d4+ {(Kxg7) +5.11/19
0s} 55. Kd3 {-8.35/22 13:00m} Rf2 {+4.96/23 0s} 56. Bc5
{(Ke4) -8.35/22 8:11m} Rxf3+ {+5.94/18 7:41m} 0-1

Game 29

Caro Kann (Advance Line)

This one we see quite often. Both play it with white and black pieces. Rybka won a pawn in the middelgame and could convert the advantage in an endgame with rook and bishop of the same color each.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.09"]
[Round "29"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B12"]
[Result "1-0"]

1. e4 {0s} c6 {0s} 2. d4 {0s} d5 {0s} 3. e5 {0s} Bf5 {0s}
4. Nf3 {0s} e6 {0s} 5. Be2 {0s} Ne7 {0s } 6. O-O {0s} Nd7
{0s} 7. Nbd2 {0s} h6 {0s} 8. Nb3 {0s} Bh7 {0s} 9. Bd2 {Both
last book move 0s} Nf5 {-0.46/18 3:41m} 10. Rc1 {(La5)
+0.31/20 5:15m} Be7 {(a5) -0.46/18 4:56m} 11. c4 {+0.32/19
1:52m} dxc4 {-0.46/19 3:36m} 12. Na5 {+0.43/20 5:44m} Rb8
{-0.40/19 4:05m} 13. Nxc4 {+0.44/19 4:35m} O-O {-0.43/19
4:16m} 14. a3 {+0.45/20 23:43m} Kh8 {(Lg6) -0.45/18 6:35m}
15. h3 {(Lc3) +0.53/18 3:59m} Bg6 {-0.48/18 3:55m} 16. Bc3
{(Kh2) +0.58/19 4:48m} Kh7 {(Kg8) -0.48/17 5:26m} 17. g4
{(Ld2) +0.62/19 3:37m} Nh4 {-0.46/9 0s} 18. Nxh4 {+0.65/20
1:38m} Bxh4 {-0.53/19 3:17m} 19. f4 {+0.65/20 7:33m} f5
{(Le4) -0.62/19 6:58m} 20. Ba5 {(exf6) +0.76/19 4:14m} Nb6
{-0.61/18 3:09m} 21. Rc3 {+0.75/19 1:07m} fxg4 {(Kg8)
-0.65/18 3:03m } 22. hxg4 {(Lxg4) +0.79/19 2:39m} Kh8
{-0.74/18 3:18m} 23. Rb3 {+0.96/19 1:40m} Qd7 {-0.80/18
3:09m} 24. Nxb6 {+0.85/20 1:53m} axb6 {-0.80/17 0s}
25. Bxb6 {+0.86/21 2:14m} Bd8 {-0.76/20 4:07m} 26. Bc5
{+0.98/20 3:07m} Be7 {-0.88/20 9:20m} 27. Rh3 {+0.98/20
1:26m} Bxc5 {-0.88/19 3:24m} 28. dxc5 {+0.99/21 2:10m} Qe8
{-0.88/20 5:46m} 29. Qb3 {+1.02/20 1:47m} Rd8 {-0.92/19
2:54m} 30. Qe3 {+0.99/19 1:48m} Bh7 {-0.95/19 3:26m} 31. b4
{(Tg3) +1.06/20 4:37m} Rd7 {-0.93/18 2:35m} 32. Rhf3 {(Lc4)
+1.08/19 2:18m} Rd5 {-0.92/19 4:20m} 33. Bc4 {+1.05/20
3:18m} Rd8 {-1.40/20 7:13m} 34. R3f2 {(f5) +1.05/20 2:56m}
Qg6 {-0.91/20 2:22m} 35. Rg2 {+0.97/19 4:22m} Qe4 {-0.93/20
2:32m} 36. Qxe4 {+0.97/17 0s} Bxe4 {-0.93/20 0s} 37. Rg3
{+1.00/21 3:09m} Rfe8 {-0.98/20 2:20m} 38. Bb3 {+0.96/22
6:14m} Bd5 {(Td2) -0.88/20 2:58m} 39. Bc2 {+1.08/21 1:26m}
Bc4 {-0.97/20 1:37m} 40. Rf2 {+1.08/23 4:19m} Kg8 {-0.93/20
1:13m} 41. g5 {(Kh2) +1.31/22 2:36m} hxg5 {(h5) -0.93/21
2:52m} 42. fxg5 {+1.51/24 5:04m} Rf8 {-0.93/20 0s} 43. Rgg2
{+1.62/25 10:16m} Rxf2 {-0.95/22 3:25m} 44. Rxf2 {(Kxf2)
+1.42/26 3:53m} Rd4 {-1.10/21 3:01m} 45. g6 {+1.75/26
23:09m} Rg4+ {-1.11/21 2:58m} 46. Kh2 {+1.75/25 0s} Bd5
{-1.11/22 2:53m} 47. Kh3 {(Ld3) +1.75/26 2:06m} Rc4 {(Tg1)
-1.08/22 3:07m} 48. Bd1 {+1.90/24 2:01m} Rc3+ {-1.21/22
13:13m} 49. Kh4 {+1.90/22 0s} Rxa3 {-2.16/22 4:25m} 50. Rf7
{+1.90/22 0s} Re3 {(Ta1) -2.16/22 7:14m} 51. Rxb7 {+3.60/20
1:07m} Kf8 {(Te4+) -2.36/22 4:57m} 52. Rf7+ {(b5) +3.60/23
1:34m} Kg8 {-2.36/13 0s} 53. Rc7 {(Tb7) +3.60/22 0s} Kf8
{-2.36/23 6:46m} 54. Ba4 {(b5) +3.60/21 0s} Rxe5 {(Te4+)
-3.01/21 3:36m} 55. Bxc6 {+5.12/24 10:51m} Re4+ {-3.01/21
0s} 56. Kg5 {(Kh5) +3.92/22 0s} Re5+ {-3.01/17 0s} 57. Kf4
{(Kh4) +5.12/23 3:21m} Re4+ {-3.01/14 0s} 58. Kf3 {(Kg5)
+3.92/21 0s} Bxc6 {-3.74/22 2:46m} 59. Rxc6 {+3.92/20 0s}
Rxb4 {-3.74/22 0s} 60. Rxe6 {+3.92/20 0s} Rc4 {-M22/25
3:30m} 61. c6 {+5.12/22 18:00m} Rd4 {(Ta4) -M19/26 4:35m}
62. Ke3 {+5.12/24 12:07m} Rc4 {-M17/27 6:08m} 63. Kd3
{+5.74/21 43s} Rc1 {-M16/27 2:39m} 64. Kd4 {+5.74/18 7:57m}
Rc2 {(Th1) -M15/29 4:24m} 65. Kd5 {(Ke5) +5.91/18 5:19m}
Rd2+ {(Tc3) -M15/28 2:52m} 66. Kc5 {+M16/17 1:48m } Rc2+
{-M14/29 1:19m} 67. Kb6 {+M15/14 3s} Rb2+ {-M13/27 0s}
68. Kc7 {+M13/13 1s} Rd2 {-M12/26 0s} 69. Kc8 {+M12/12 1s}
Rc2 {(Td3) -M11/24 0s} 70. c7 {+M11/9 0s} Rd2 {-M10/22 0s}
71. Kb7 {+M10/9 0s} Rb2+ {-M9/20 0s} 72. Rb6 {+M9/8 0s}
Rxb6+ {(Tc2) -M8/20 0s} 73. Kxb6 {+M7/3 0s } Ke7 {-M8/1 0s}
74. c8=Q {+M7/1 0s } Kf6 {-M7/1 0s} 75. Qg4 {+M6/1 0s} Ke5
{-M6/1 0s} 76. Kc6 {+M5/1 0s} Kf6 {-M5/1 0s} 77. Kd5 {+M4/1
0s} Ke7 {-M4/1 0s} 78. Qf5 {+M3/1 0s} Kd8 {-M2/1 0s}
79. Kd6 {+M2/1 0s} Ke8 {-M2/1 0s} 80. Qc8# {+M1/1 0s} 1-0

Game 30

Nimzo Indian (4.Qc2)

21 moves from the books and only an endgame with rook and knight each side (soon only pawns) was left. Not enough to fight for a win.

0,5:0,5

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 18,0:12,0

Game 26

Sicilian Najdorf (6.Be2)

Both with 20 moves from the books. Rybka could sacrifice the queen and promote to a new one, but Zappa then had a draw by perpetual check.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.09"]
[Round "26"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "B92"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s } 3. Nc3 {0s} Nf6
{0s} 4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} a6 {0s} 6. Be2 {0s}
e5 {0s} 7. Nb3 {0s} Be7 {0s } 8. O-O {0s} O-O {0s} 9. Kh1
{0s} Nc6 {0s} 10. f4 {0s} b5 {0s} 11. a4 {0s} b4 {0s}
12. Nd5 {0s} Bb7 {0s} 13. Bf3 {0s} Rc8 {0s} 14. a5 {0s}
exf4 {0s} 15. Bxf4 {0s} Ne5 {0s} 16. Ra4 {0s} Bxd5 {0s}
17. exd5 {0s} Nxf3 {0s} 18. Qxf3 {0s} Rxc2 {0s} 19. Rxb4
{0s} Rxb2 {0s} 20. Rb6 {0s} Qc7 {Both last book move 0s}
21. Rc1 {+0.06/18 5:21m} Rc2 {0.00/21 5:10m} 22. Rxa6
{+0.01/20 9:17m} Rxc1+ {0.00/21 2:36m} 23. Bxc1 {+0.01/19
0s} Qc4 {(Re8) 0.00/22 8:01m} 24. Rc6 {0.00/11 0s} Qa4
{0.00/22 4:39m} 25. h3 {-0.10/20 9:02m} Rb8 {0.00/22
10:17m} 26. a6 {0.00/20 4:26m} Rxb3 {0.00/22 4:54m}
27. Qxb3 {(Rc8+) 0.00/22 5:53m} Qxb3 {0.00/20 0s} 28. Rc8+
{0.00/22 0s} Bf8 {0.00/26 2:57m} 29. a7 {0.00/22 0s} Qd1+
{(Qg3) 0.00/26 3:00m} 30. Kh2 {0.00/13 0s} Qd4 {(Qe1)
0.00/27 6:20m} 31. a8=Q {0.00/11 0s} Qe5+ {0.00/26 0s}
32. g3 {(Kh1) 0.00/23 7:12m} Qe2+ {0.00/22 4:10m} 33. Kg1
{0.00/23 10:57m} Qe1+ {0.00/22 5:13m} 34. Kh2 {(Kg2)
0.00/24 13:56m} Qe2+ {0.00/22 5:20m} 35. Kg1 {0.00/25
13:45m} Qe1+ {0.00/23 17:53m} 36. Kh2 {(Kg2) 0.00/25
11:23m} Qe2+ {Draw accepted 0.00/23 7:34m} 1/2-1/2

Game 27

Sicilian (Sozin Variation)

This has been a favorite of Bobby Fischer. Zappa on it´s own on move 11 already.

Rybka won a pawn on move 32 and won the endgame convincingly.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.09"]
[Round "27"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B57"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. d4 {0s} cxd4
{0s} 4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} d6 {0s } 6. Bc4 {0s}
Qb6 {0s} 7. Ndb5 {0s} a6 {0s} 8. Be3 {0s} Qa5 {0s} 9. Nd4
{0s} Ne5 {0s} 10. Nb3 {0s} Qc7 {Black last book move 0s}
11. Be2 {0s} Nc4 {-0.30/17 2:45m} 12. Bxc4 {0s} Qxc4
{-0.30/16 0s} 13. f3 {White last book move 0s} e5 {-0.35/16
3:06m} 14. Qd3 {+0.44/21 6:07m} Qxd3 {-0.43/19 4:26m}
15. cxd3 {+0.44/20 0s} Bd7 {(Be6) -0.44/19 3:46m} 16. d4
{(Rc1) +0.53/20 12:02m} Rc8 {-0.45/19 4:33m} 17. Rc1
{+0.53/20 2:06m} Be7 {-0.48/18 4:35m} 18. O-O {+0.60/21
7:51m} O-O {-0.55/19 4:39m} 19. Na5 {+0.62/21 3:35m} exd4
{(b5) -0.51/19 4:11m} 20. Bxd4 {+0.62/17 0s} b5 {(Rc7)
-0.50/20 4:55m} 21. Ne2 {(a3) +0.61/21 11:14m} b4 {(Rxc1)
-0.46/19 3:47m} 22. Rfd1 {(Nf4) +0.56/21 22:27m} Bb5
{-0.56/20 5:51m} 23. Nf4 {+0.44/22 9:18m} Rfe8 {(g5)
-0.63/20 4:05m} 24. b3 {+0.85/19 1:15m} Kf8 {-0.69/19
4:28m} 25. h4 {+0.86/19 1:07m} g6 {-0.67/19 5:04m} 26. Kf2
{+0.83/19 5:07m} h6 {-0.73/19 3:51m} 27. Kg3 {+0.76/19
1:13m} Kg8 {(g5) -0.67/19 7:36m} 28. Rxc8 {(Nd5) +0.82/20
3:48m} Rxc8 {-0.74/9 0s} 29. Bxf6 {+0.94/22 1:39m} Bxf6
{-0.60/20 4:47m} 30. Nd5 {+0.94/21 0s} Kg7 {-0.60/20 0s}
31. Nxf6 {+0.86/23 1:33m} Kxf6 {-0.60/19 0s} 32. Rxd6+
{+0.85/24 1:57m} Ke5 {(Ke7) -0.69/21 3:49m} 33. Rd5+
{+0.71/22 2:56m} Ke6 {-0.77/21 3:43m} 34. Rd2 {+0.71/22
1:32m} Rc7 {-0.58/20 6:19m} 35. Kf4 {+0.75/23 1:53m} f6
{-0.77/21 3:27m} 36. Ke3 {+0.78/23 1:43m} f5 {(g5) -0.89/20
8:46m} 37. Nc4 {+1.09/22 4:00m} Bxc4 {(fxe4) -0.97/19
2:23m} 38. Rc2 {+1.09/23 2:33m} a5 {(fxe4) -1.11/20 2:53m}
39. Rxc4 {(Kd4) +2.00/24 7:48m} Rxc4 {(f4+) -1.12/12 0s}
40. bxc4 {+3.17/25 4:40m} a4 {-5.09/21 4:05m} 41. Kd3
{+4.97/24 38:34m} fxe4+ {-5.09/21 0s} 42. fxe4 {+3.37/22
0s} 1-0

Game 28

Ruy Lopez closed 9.d4

More rarely played than 9.h3. This was like already mentioned featured in the Mexico match when Rybka lost. Rybka3.ctg comes up here with a new move 15..Nd7 instead of 15..Nc6. A long endgame queen and knight against queen and bishop and finally another draw.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.10"]
[Round "28"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "C91"]
[Result "1/2-1/2"]

1. e4 {+M-2767/0 0s} e5 {-M-2767/0 0s} 2. Nf3 {+M-2767/0
0s} Nc6 {-M-2767/0 0s} 3. Bb5 {+M-2767/0 0s} a6 {-M-2767/0
0s} 4. Ba4 {+M-2767/0 0s} Nf6 {-M-2767/0 0s} 5. O-O
{+M-2767/0 0s} Be7 {-M-2767/0 0s} 6. Re1 {+M-2767/0 0s} b5
{-M-2767/0 0s} 7. Bb3 {+M-2767/0 0s} d6 {-M-2767/0 0s}
8. c3 {+M-2767/0 0s} O-O {-M-2767/0 0s} 9. d4 {+M-2767/0
0s} Bg4 {-M-2767/0 0s} 10. Be3 {+M-2767/0 0s} exd4
{-M-2767/0 0s} 11. cxd4 {+M-2767/0 0s} Na5 {-M-2767/0 0s}
12. Bc2 {+M-2767/0 0s} c5 {-M-2767/0 0s} 13. h3 {+M-2767/0
0s} Bh5 {-M-2767/0 0s} 14. g4 {+M-2767/0 0s} Bg6 {-M-2767/0
0s} 15. Nbd2 {+M-2767/0 0s} Nd7 {-M-2767/0 0s} (15... Nc6
16. d5 Na5 17. a3 Re8 18. b4 Nb7 19. a4 cxb4 20. Nd4 Nc5
21. Nc6 Qc8 22. f3 Nfd7 23. axb5 Bh4 24. Rf1 Bf6 25. Rb1
axb5 26. Rxb4 Nb8 27. Nxb8 Rxb8 28. Qb1 Qd7 29. Bd3 Nxd3
30. Qxd3 Rec8 31. Rfb1 Rc3 32. Rxb5 Rbc8 33. Qe2 h6 34. Rb8
Kh7 35. Rxc8 Qxc8 36. f4 Kh8 37. Kg2 Qe8 38. f5 Bh7 39. Rb6
Qe5 40. Bf2 Rc2 41. Qd3 Ra2 42. Rb1 Qf4 43. Qe3 Qe5 44. Nf3
Qe8 45. Qb3 Ra8 46. Bg3 Qd8 47. Rc1 Qe7 48. Re1 Qd8 49. Rc1
Qe7 50. Rc4 Bg8 51. h4 Qd8 52. Rc6 Be7 53. g5 hxg5 54. hxg5
Rb8 55. Qc3 Ra8 56. Bf4 Bh7 57. Rc7 Rb8 58. Qc6 Qe8
59. Qxe8+ Rxe8 60. Nd2 Bg8 61. Kf3 g6 62. f6 Bf8 63. Nc4
Rd8 64. Rc6 Ra8 65. Bxd6 Bxd6 66. Nxd6 {1-0
ZAPPA-RYBKA/Mexico City MEX 2007/The Week in Chess 672})
16. dxc5 {+M-2767/0 0s} dxc5 {Black last book move
-M-2767/0 0s} 17. Qe2 {+M-2767/0 0s} Qc7 {+0.22/19 7:24m}
18. a4 {White last book move +M-2767/0 0s} Qb7 {+0.16/19
4:09m} 19. b3 {-0.19/18 17:47m} h6 {(Tfd8) +0.27/19 6:37m}
20. axb5 {-0.08/18 7:21m} axb5 {+0.20/20 3:06m} 21. Bd3
{-0.09/19 6:56m} b4 {(Sxb3) +0.17/20 11:25m} 22. Red1
{(Ta2) -0.10/18 13:56m} Qc7 {(Tfd8) +0.24/19 5:35m} 23. Ra4
{-0.17/17 5:38m} Bf6 {+0.31/18 1:52m} 24. h4 {-0.40/18
12:37m} Nc6 {+0.37/18 4:12m} 25. Rxa8 {-0.37/19 8:08m} Rxa8
{+0.31/19 4:18m} 26. h5 {-0.27/19 4:47m} Bh7 {+0.27/19
2:30m} 27. Nc4 {-0.16/19 7:58m} Re8 {+0.25/19 3:46m}
28. Kf1 {(e5) -0.25/19 6:09m} Re6 {(Lxe4) +0.25/19 7:27m}
29. Bc2 {-0.25/18 2:08m} Bxe4 {+0.29/20 5:06m} 30. Bxe4
{-0.25/17 0s} Rxe4 {+0.29/19 0s} 31. Qd3 {-0.22/18 1:47m}
Re7 {+0.29/19 0s} 32. Qd5 {-0.23/18 4:10m} Qc8 {(Lc3)
+0.28/19 8:42m} 33. Nd6 {-0.24/17 1:30m} Qa6+ {+0.25/19
3:30m} 34. Kg2 {(Dc4) -0.17/18 2:01m} Nce5 {+0.27/19 6:44m}
35. Nxe5 {-0.18/18 2:22m} Nxe5 {+0.28/20 8:08m} 36. Bxc5
{-0.13/18 1:47m} Nxg4 {+0.28/21 10:41m} 37. Nc4 {-0.11/17
1:50m} Re8 {+0.27/19 4:23m} 38. Bxb4 {-0.13/17 1:32m} Be5
{(Td8) +0.27/20 5:11m} 39. Qf3 {(Te1) -0.08/17 1:26m} Nf6
{+0.27/18 1:01m} 40. Ba5 {-0.07/18 2:17m} Qb5 {+0.23/19
3:45m} 41. Bd8 {-0.06/19 2:45m} Ba1 {+0.19/19 5:03m}
42. Ba5 {-0.06/19 3:28m} Bb2 {+0.19/19 2:14m} 43. Rd8
{(Ld2) -0.09/18 2:26m} Ba3 {+0.27/20 4:53m} 44. Rxe8+
{-0.09/19 2:13m} Nxe8 {+0.27/18 0s} 45. Bd2 {(Lb6) -0.09/20
2:36m} Be7 {+0.33/20 1:40m} 46. Qa8 {-0.09/20 3:42m} Bf8
{+0.33/20 2:05m} 47. Qf3 {-0.11/20 2:42m} Nc7 {+0.34/20
1:56m} 48. Bf4 {-0.10/21 4:06m} Nd5 {(Se6) +0.34/20 9:15m}
49. Bd2 {(Le5) -0.10/20 2:43m} Nb4 {(Sc7) +0.40/21 4:46m}
50. Na3 {-0.10/20 4:45m} Qd7 {(De5) +0.40/22 2:23m}
51. Bxb4 {-0.08/22 3:14m} Bxb4 {+0.40/25 4:56m} 52. Nc2
{(Sc4) -0.08/22 2:21m} Bf8 {+0.40/25 3:09m} 53. Ne3
{-0.08/22 4:01m} Qe7 {(Dd3) +0.39/26 7:10m} 54. Qd5
{-0.08/22 3:00m} Qb4 {(Dc7) +0.39/26 1:34m} 55. Kg3 {(Sc2)
-0.08/22 3:36m} Qb8+ {(Ld6+) +0.39/25 2:48m} 56. Kg2
{-0.08/23 2:40m} Qf4 {(Dc7) +0.39/26 1:37m} 57. Nf5 {(Sc2)
-0.08/22 4:34m} Qg5+ {+0.39/26 3:20m} 58. Kf1 {-0.08/21 0s}
Qc1+ {+0.39/27 3:37m} 59. Kg2 {-0.08/23 5:02m} Qf4
{+0.39/26 1:12m} 60. Ng3 {(f3) -0.08/22 3:00m} Qh4 {(Dg4)
+0.39/24 3:39m} 61. Ne4 {(Se2) -0.08/22 2:09m} Qg4+
{+0.39/28 17:33m} 62. Ng3 {-0.08/24 2:17m} Qb4 {+0.03/27
11:48m} 63. Kf1 {(Sf5) -0.08/24 5:53m} Qh4 {(Db8) +0.30/25
1:07m} 64. Ne4 {(Kg2) -0.08/22 2:22m} Qh3+ {(De7) +0.39/21
39s} 65. Kg1 {(Ke2) -0.08/23 2:36m} Qf3 {(Dg4+) +0.39/25
57s} 66. Kf1 {(Kh2) -0.08/23 3:31m} Qf4 {(Dh3+) +0.39/23
55s} 67. Ke2 {(Kg2) -0.08/22 2:06m} Qc1 {(Dg4+) +0.39/23
1:02m} 68. Kf3 {-0.08/21 2:30m} Qh1+ {+0.39/24 1:18m}
69. Ke3 {(Kg3) -0.08/22 4:18m} Qe1+ {+0.39/24 1:13m}
70. Kf3 {-0.08/23 4:43m} Qg1 {(Dc1) +0.39/24 41s} 71. Ke3
{(Kf4) -0.08/21 2:40m} Qf1 {(Dc1+) +0.39/24 2:04m} 72. Kf3
{-0.08/21 2:21m} Qc1 {(Dh1+) +0.39/24 2:20m} 73. Kg2
{-0.08/22 3:11m} Qc8 {(Dc2) +0.30/24 2:03m} 74. Kh1 {(Sg3)
-0.08/22 2:05m} Qc2 {(Dg4) +0.30/25 1:15m} 75. Kh2 {(Kg2)
-0.08/22 2:52m} Qb2 {(De2) +0.39/24 1:39m} 76. Kg1 {(Kg3)
-0.08/22 1:40m} Qa3 {(Dc1+) +0.38/24 1:04m} 77. Kh2 {(Kg2)
-0.08/23 2:20m} Qa2 {(Db4) +0.30/25 1:44m} 78. Kh1 {(Kg2)
-0.08/22 1:58m} Qa7 {(De2) +0.30/26 1:48m} 79. Kg2
{-0.08/22 2:13m} Qe7 {(Da1) +0.30/25 45s } 80. Kh3 {(Sd2)
-0.08/22 1:49m} Qc7 {(Db4) +0.24/25 1:05m} 81. Kg2
{-0.08/22 2:59m} Qb8 {(Da7) +0.23/25 18:11m} 82. Kf1 {(Sg3)
-0.08/23 4:40m} Qc8 {(Da7) +0.30/25 1:49m} 83. Kg1
{-0.08/23 6:22m} Bb4 {(Dg4+) +0.24/26 3:31m} 84. Ng3
{-0.07/21 2:40m} Qg4 {(Dc1+) +0.23/25 7:29m} 85. Kg2
{(Da8+) -0.07/21 2:34m} Bf8 {(Dc8) +0.23/27 2:32m} 86. Kh2
{(Kg1) -0.07/22 2:11m} Qc8 {(Dh4+) +0.23/27 3:40m} 87. Kg2
{(Sf5) -0.07/23 2:44m} Qc3 {(Dg4) +0.23/25 5:19m} 88. Nf5
{-0.06/22 2:43m} Qb4 {(Df6) +0.23/26 3:39m } 89. Kf1 {(Kg3)
-0.06/21 4:05m} Qg4 {(Df4) +0.23/27 2:47m} 90. Ne3 {(Sg3)
-0.06/21 2:56m} Qh4 {+0.23/27 3:06m} 91. Kg1 {-0.06/21
6:17m} Qf4 {(Db4) +0.23/27 6:22m} 92. Nf5 {-0.04/19 4:22m}
Qg4+ {(Dg5+) +0.23/27 1:56m} 93. Kf1 {(Sg3) -0.03/19 2:03m}
Qg5 {(Db4) +0.23/26 2:12m} 94. Ne3 {-0.01/19 2:16m} Qf6
{(Dh4) +0.15/25 8:34m} 95. Kg2 {(Sc4) -0.01/20 2:35m} Qb2
{(Da1) +0.06/24 3:47m} 96. Nf5 {-0.01/21 2:18m} Qc2 {(Df6)
+0.01/23 2:50m} 97. Nh4 {0.00/20 2:35m} Qc8 {(De2) 0.00/25
2:55m} 98. Ng6 {0.00/21 2:20m} Bb4 {(Dg4+) 0.00/24 46s}
99. Kg1 {(Se5) 0.00/21 2:34m} Qe8 {0.00/24 1:19m} 100. Ne5
{(Sf4) 0.00/22 3:05m} Bc3 {(Lf8) 0.00/27 1:33m} 101. Nc6
{(Sg6) 0.00/22 2:04m} Qe2 {Draw accepted 0.00/29 1:38m}
1/2-1/2

Game 29

Sicilian (Richter Rauser)

Zappa´s queenside attack proved not to be efficient. In fact it lost a pawn there and Rybka´s passed pawns were rolling.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.10"]
[Round "29"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B67"]
[Result "1-0"]

1. e4 {+M-2767/0 0s} c5 {-M-2767/0 0s} 2. Nf3 {+M-2767/0
0s} d6 {-M-2767/0 0s} 3. d4 {+M-2767/0 0s} cxd4 {-M-2767/0
0s} 4. Nxd4 {+M-2767/0 0s} Nf6 {-M-2767/0 0s} 5. Nc3
{+M-2767/0 0s} Nc6 {-M-2767/0 0s} 6. Bg5 {+M-2767/0 0s} e6
{-M-2767/0 0s} 7. Qd2 {+M-2767/0 0s} a6 {-M-2767/0 0s}
8. O-O-O {+M-2767/0 0s} Bd7 {-M-2767/0 0s} 9. f4 {+M-2767/0
0s} b5 {-M-2767/0 0s} 10. Bxf6 {+M-2767/0 0s} gxf6
{-M-2767/0 0s} 11. Kb1 {+M-2767/0 0s} Qb6 {-M-2767/0 0s}
12. Nxc6 {+M-2767/0 0s} Bxc6 {-M-2767/0 0s} 13. f5
{+M-2767/0 0s} Qc5 {-M-2767/0 0s} 14. Bd3 {+M-2767/0 0s} b4
{-M-2767/0 0s} 15. Ne2 {+M-2767/0 0s} e5 {-M-2767/0 0s}
16. Ng3 {+M-2767/0 0s} a5 {-M-2767/0 0s} 17. Nh5 {+M-2767/0
0s} Be7 {Black last book move -M-2767/0 0s} 18. Qe2
{+M-2767/0 0s} Rg8 {-0.34/19 4:18m} 19. Bc4 {White last
book move +M-2767/0 0s} a4 {-0.34/20 4:48m} 20. b3 {(g4)
+0.79/17 7:20m} Kf8 {(Db6) -0.34/19 5:09m} 21. Rd3 {(g4)
+0.83/19 7:46m} Ke8 {-0.54/17 11:52m} 22. Rhd1 {+0.84/19
3:38m} Rg5 {(Tc8) -0.63/18 8:28m} 23. g4 {(h4) +1.13/18
5:24m } axb3 {(Td8) -0.96/18 10:18m} 24. cxb3 {+1.31/18
2:38m} Bb5 {-1.02/19 5:09m} 25. Bxb5+ {+1.31/16 0s} Qxb5
{-1.02/18 0s} 26. h3 {+1.64/20 3:12m} Rc8 {-1.17/21 4:45m}
27. Qd2 {+1.70/21 5:09m} Rc6 {-1.25/21 4:19m} 28. Rd5
{+1.70/22 4:04m} Qb6 {-1.22/21 4:35m} 29. Qe2 {(Dd3)
+1.79/21 3:55m} Kd7 {-1.41/21 6:19m} 30. Rb5 {(Db5)
+1.80/21 5:56m} Qa6 {-1.08/20 3:49m} 31. Qd3 {+1.80/20 0s}
Rg8 {-1.12/20 3:33m} 32. Rxb4 {+1.80/20 0s} Qxd3+ {-1.46/21
3:30m} 33. Rxd3 {+1.80/20 0s} Rgc8 {(Kc7) -1.42/22 4:29m}
34. Rb7+ {+1.91/20 4:51m} Ke8 {-1.68/22 11:33m} 35. Rd2
{+2.18/22 26:26m} Rc1+ {(Tc3) -1.68/21 7:22m} 36. Kb2
{+2.58/20 0s} h6 {(Th1) -1.92/20 3:53m} 37. a4 {+3.10/21
4:49m} R1c3 {(T8c7) -2.00/20 2:15m} 38. a5 {(h4) +3.76/21
5:14m} R3c7 {-2.05/20 1:41m} 39. Rxc7 {+3.76/20 0s} Rxc7
{-2.05/19 0s} 40. Rd5 {(Td1) +3.76/20 0s} Kd7 {-2.42/21
2:39m} 41. Ng3 {+3.76/19 0s} Bd8 {(Kc6) -2.68/21 2:55m}
42. b4 {+4.76/24 47:52m} Rc4 {(Tc6) -2.90/21 3:00m} 43. Kb3
{+4.76/22 0s} Rc1 {(Tc6) -3.45/21 7:07m} 44. Ne2 {+4.76/21
0s} Rc6 {(Tc8) -4.15/21 7:15m} 45. b5 {(Sc3) +5.09/22
32:33m} Rc8 {-6.34/22 10:03m} 46. b6 {+5.09/19 0s} Kc6
{(Tb8) -6.43/22 2:36m} 47. Nc3 {+5.09/20 22:08m} 1-0

Game 30

Sicilian (English Attack)

A 158 moves game, but quite interesting due to material imbalances. Please check it at the website.

0,5:0,5

Kind Regards
Heinz

By Heinz van Kempen (***)

Date 2008-09-11 17:01 Edited 2008-09-11 17:05

Hi all :-),

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 22,0:13,0

Queen´s Pawn D02

A rare line. After 31..g4 Rybka could saq the queen temporarily and got a won pawn endgame. Nice game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.10"]
[Round "31"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "D02"]
[Result "1-0"]

1. Nf3 {0s} d5 {0s} 2. g3 {0s} Nc6 {0s} 3. d4 {0s} Bf5 {0s}
4. Bg2 {0s} Nb4 {0s} 5. Na3 {0s} e6 {0s } 6. O-O {0s} Be7
{0s} 7. c3 {Both last book move 0s} Nc6 {-0.24/18 3:32m}
8. Qa4 {+0.36/18 11:09m} Qd7 {(Lxa3) -0.17/18 3:36m} 9. b4
{(Sb5) +0.34/18 2:52m} a6 {-0.07/18 2:27m} 10. b5 {+0.42/19
4:25m} Na7 {-0.15/18 2:40m} 11. c4 {+0.42/20 2:51m} f6
{-0.09/18 4:24m} 12. Nh4 {+0.51/19 14:54m} Bg4 {-0.12/18
2:45m} 13. Qb3 {(cxd5) +0.50/18 2:19m} axb5 {-0.11/17
3:04m} 14. cxd5 {+0.50/16 0s} exd5 {-0.11/17 0s} 15. Bxd5
{+0.51/18 2:01m} O-O-O {-0.08/17 2:49m} 16. Bg2 {(Lf3)
+0.47/18 6:25m} g5 {-0.22/16 3:05m} 17. Nf3 {+0.57/18
2:08m} Be6 {-0.25/17 4:21m} 18. Qb2 {+0.65/17 2:07m} h5
{-0.19/17 2:38m} 19. d5 {(Sc2) +0.50/18 5:06m} Bxd5
{-0.23/17 3:03m} 20. Rd1 {+0.50/19 2:13m} Qc6 {-0.32/17
3:31m} 21. Nd4 {(Sc2) +0.50/18 1:33m} Qa6 {-0.35/18 4:06m}
22. Bxd5 {+0.63/17 2:37m} Rxd5 {-0.35/17 0s} 23. Qb3
{+0.72/18 2:13m} Rd7 {(Te5) -0.60/18 4:56m} 24. Bb2
{+0.84/18 2:09m} Nh6 {-0.75/19 6:48m} 25. Naxb5 {+0.74/18
1:39m} Nxb5 {-0.81/20 9:32m} 26. Nxb5 {+0.93/19 2:46m} Rhd8
{-0.81/20 8:51m} 27. Rxd7 {+0.93/20 16:38m} Rxd7 {-0.81/18
0s} 28. Rc1 {+0.67/19 7:34m} Nf7 {(h4) -0.76/18 6:35m}
29. Qxf7 {(Sc3) +0.96/17 2:25m} Qxb5 {-0.83/10 0s} 30. Qe8+
{(Lxf6) +0.97/18 1:00m} Bd8 {-0.83/8 0s} 31. Bxf6 {+0.97/17
0s} g4 {(b6) -0.77/18 2:57m} 32. Bxd8 {(a4) +3.83/20 3:17m}
Rd1+ {-0.78/11 0s} 33. Rxd1 {+3.83/19 0s} Qxe8 {-0.78/11
0s} 34. Bf6 {+3.83/19 0s} b5 {-2.70/23 9:37m} 35. Rd8+
{+3.83/18 0s} Qxd8 {-2.70/23 0s} 36. Bxd8 {+3.83/18 0s}
Kxd8 {-2.70/23 0s} 37. f4 {+5.03/26 6:18m} gxf3 {-4.31/24
6:54m} 38. exf3 {+5.03/24 0s} c5 {(Ke7) -6.66/24 5:56m}
39. Kf2 {(h4) +5.03/23 0s} h4 {(c4) -6.65/24 3:57m}
40. gxh4 {(g4) +5.12/21 8:00m} 1-0

Game 32

Catalan

Not happening a lot. I adjudicated the endgame with bishops of opposite colors to a draw.

0,5:0,5

Game 33

Petroff 5.d4

We had this line in two Rybka games in Leiden 2008 against Deep Gandalf and Diep (see this games in the annotations at the website) and it was also played by Leko against Kramnik and Grischuk. Zappa out of book already on move 13 (back into book for two moves later) when Rybka got 7 more moves from the book and soon some advantage after leaving it due to her strong bishop and more active pieces.

.
[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.10"]
[Round "33"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C42"]
[Result "1-0"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nf6 {0s } 3. Nxe5 {0s} d6
{0s} 4. Nf3 {0s} Nxe4 {0s} 5. d4 {0s} d5 {0s} 6. Bd3 {0s}
Nc6 {0s} 7. O-O {0s} Be7 {0s} 8. c4 {0s} Nb4 {0s} 9. Be2
{0s} O-O {0s} 10. Nc3 {0s} Be6 {0s} 11. Ne5 {0s} f6 {0s}
12. Nf3 {0s} Kh8 {0s} 13. a3 {0s} Nxc3 {-0.19/19 4:51m}
14. bxc3 {0s} Nc6 {-0.19/19 8:54m} 15. Nd2 {0s} f5 {0s}
16. Re1 {0s} Bf6 {Black last book move 0s} 17. Bf3 {0s} Bf7
{-0.43/19 4:14m} 18. Rb1 {0s} b6 {-0.37/18 3:06m} 19. cxd5
{0s} Bxd5 {-0.25/18 5:38m} 20. Nc4 {White last book move
0s} Rc8 {-0.18/18 3:49m} 21. Bf4 {(Lb2) +0.42/20 7:23m} Ne7
{-0.09/18 3:23m} 22. Ne5 {+0.37/21 8:27m} c6 {(c5) -0.33/18
4:01m} 23. c4 {(Tc1) +0.53/19 4:29m} Bxe5 {(Lg8) -0.60/20
16:13m} 24. Bxe5 {+0.67/19 6:13m} Bxf3 {(Lxc4) -0.74/20
6:57m} 25. Qxf3 {+0.67/21 5:02m} Qd7 {-0.72/20 3:22m}
26. Rbd1 {(h4) +0.69/21 16:00m} Ng6 {-0.49/19 3:32m} 27. d5
{(c5) +0.70/20 4:04m} cxd5 {-0.70/19 5:06m} 28. cxd5
{+0.70/20 2:26m} Rce8 {(Sxe5) -0.76/18 9:09m} 29. Bb2
{+0.84/21 7:46m} Kg8 {-0.89/19 2:52m} 30. Rxe8 {(h3)
+0.89/20 2:36m} Rxe8 {-1.04/18 4:03m} 31. h3 {+0.89/21
2:16m} Rd8 {-1.12/19 3:51m} 32. d6 {+0.94/21 10:03m} Qf7
{-1.18/18 3:06m} 33. Rd5 {(a4) +1.06/20 2:12m} f4 {-1.09/18
2:42m} 34. Qc3 {(Td1) +1.12/20 3:33m} Rd7 {-0.92/19 3:53m}
35. Qc8+ {(Td4) +1.16/20 5:08m} Nf8 {-0.89/19 2:15m}
36. Rg5 {+1.17/21 2:50m} Qe6 {(Db3) -0.89/19 3:12m }
37. Qc3 {+1.23/20 10:28m} Qf7 {-0.89/19 0s} 38. Rg4
{+1.29/21 5:38m} h6 {(h5) -1.04/19 3:11m} 39. h4 {+1.50/19
5:26m} Ne6 {(h5) -1.08/19 2:35m} 40. Qc8+ {+1.57/19 3:34m}
Kh7 {-1.08/19 0s} 41. Qc2+ {+1.57/18 0s} Kg8 {-1.08/19 0s}
42. Be5 {(Tg6) +1.68/20 9:45m} a5 {(De8) -1.35/18 2:53m}
43. Rg6 {+1.89/19 3:12m} Qe8 {-1.53/20 6:07m} 44. Qe4
{+1.89/17 0s} Nf8 {-1.63/20 5:27m} 45. Rg4 {+1.89/16 0s} f3
{(De6) -1.71/20 3:39m} 46. gxf3 {+2.21/20 4:30m} Qe6
{-1.91/20 4:56m} 47. Qd4 {+2.54/20 10:12m} h5 {(Sg6)
-2.01/19 4:08m} 48. Rg5 {+2.69/19 4:47m} Qb3 {-2.18/19
5:10m} 49. Qe4 {+2.69/19 1:23m} Rf7 {-2.49/19 3:04m} 50. f4
{+4.22/19 13:35m} Ne6 {-3.71/18 4:39m} 51. Rg3 {+4.98/19
21:21m} Qd1+ {-4.44/18 2:26m} 52. Kh2 {+4.98/20 3:30m} Qf1
{-4.93/18 6:29m} 53. Rg2 {+5.18/20 16:46m} Qb5 {-4.93/18
0s} 54. f5 {+5.18/20 11:24m} 1-0

Game 34

Semi Slav

Again a line from the World Championship match between Kramnik and Topalov.

Early Queen exchange and draw by threefold repetition after 112 moves.

0,5:0,5

Game 35

Sicilian Najdorf (Poisoned Pawn) 10.e5

Zappa out of book on move 22. Rybka got a few more moves from her book. Jeroen here recommends 12..Nd5 for Black:

http://www.rybkachess.com/index.php?auswahl=Rybka+3+book

Rybka already with a clear advantage after the opening pinning the b8 knight, so that Zappa´s queenside pieces could not come into play, what later causes the loss of the knight and the game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "35"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B97"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. Bg5 {0s} e6
{0s} 7. f4 {0s} Qb6 {0s} 8. Qd2 {0s} Qxb2 {0s} 9. Rb1 {0s}
Qa3 {0s} 10. e5 {0s} h6 {0s } 11. Bh4 {0s} dxe5 {0s}
12. fxe5 {0s} Nfd7 {0s} 13. Ne4 {0s} Qxa2 {0s} 14. Rd1 {0s}
Qd5 {0s} 15. Qe3 {0s} Bc5 {0s} 16. Nxe6 {0s} Bb4+ {0s}
17. c3 {0s} Qxe6 {0s} 18. cxb4 {0s} O-O {0s} 19. Be2 {0s}
Qb6 {0s} 20. Qxb6 {0s} Nxb6 {0s} 21. Be7 {0s} Re8 {Black
last book move 0s} 22. Nd6 {0s} Rxe7 {-0.97/20 11:24m}
23. Nxc8 {0s} Nxc8 {-0.97/20 0s} 24. Rd8+ {0s} Kh7
{-0.97/20 0s} 25. Rxc8 {White last book move 0s} Rxe5
{-0.86/21 10:08m} 26. Kd2 {+0.77/20 6:46m} a5 {-1.01/21
24:06m} 27. Bd3+ {+0.77/18 0s} g6 {-1.12/20 11:48m} 28. Rf1
{+0.83/21 3:41m} f5 {(Te7) -1.29/20 10:29m} 29. Rfc1 {(b5)
+1.35/24 11:34m} Re7 {-1.16/20 4:33m} 30. R1c7 {(bxa5)
+1.35/25 3:37m} Rxc7 {-1.14/21 6:01m } 31. Rxc7+ {+1.35/23
0s} Kh8 {-1.15/22 5:19m} 32. Rc8+ {+1.35/22 0s} Kg7
{-1.15/22 8:53m} 33. bxa5 {+1.35/22 0s} Kf6 {(h5) -1.22/21
2:54m} 34. Be2 {+1.49/23 5:48m} Rxa5 {(h5) -1.22/20 2:41m}
35. Rxb8 {+1.81/25 8:42m} Ra4 {(Ta2+) -1.29/19 3:36m}
36. Rxb7 {(Td8) +2.21/25 6:01m} h5 {-1.82/20 4:34m}
37. Rb6+ {+2.42/27 22:41m} Kg5 {(Kg7) -1.86/21 4:31m}
38. Ra6 {(Lf3) +2.62/28 13:23m} Rd4+ {(Th4) -1.86/20 1:31m}
39. Kc3 {+2.70/29 11:53m} Re4 {(Th4) -1.86/21 1:47m}
40. Bf3 {+2.90/29 9:49m} Re7 {(Te8) -1.86/21 1:39m} 41. h4+
{(Kd4) +2.90/25 2:02m} Kxh4 {-1.34/21 2:58m} 42. Rxg6
{+2.90/27 0s} Rd7 {-1.35/23 4:07m} 43. Rg8 {(Th6) +2.96/28
4:19m} Rd6 {-1.38/22 2:52m} 44. Rh8 {+3.01/29 3:31m} Kg5
{(Kg3) -1.42/23 4:27m} 45. Rxh5+ {+3.02/29 3:02m} Kf4
{-1.43/24 3:18m} 46. Rh3 {+3.32/29 12:07m} Ke5 {(Ta6)
-1.48/23 2:41m} 47. Be2 {+3.52/26 3:34m} Rg6 {-2.43/22
5:00m} 48. Re3+ {+3.92/27 6:47m} Kf6 {-5.08/23 6:17m}
49. g3 {+4.29/28 15:53m} Rg8 {(Tg7) -5.08/25 3:34m} 50. Kd2
{+4.29/28 2:41m} 1-0

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 21,0:14,0

Game 31

Queen´s Gambit accepted

A drawish endgame due to bishops of opposite colors, although Rybka was one or two pawns up.

0,5:0,5

Game 32

Ruy Lopez closed (9.d4)

This game was played overnight when I slept. Otherwise I would have interrupted it, because the same line was played we had a few games before. Anyway Rybka now played 18..Rfb8 instead of 18..Qb7. So I will count this game for the match.

Rybka sacrificed a piece but won it back quickly with advanced pawns at the queenside. Attack in the h-file where Rybka gave the queen just to promote to a new one, But Zappa´s attack was continuing, so Rybka gave a perpetual. A really wild game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "32"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "C91"]
[Result "1/2-1/2"]

1. e4 {+M-2767/0 0s} e5 {-M-2767/0 0s} 2. Nf3 {+M-2767/0
0s} Nc6 {-M-2767/0 0s} 3. Bb5 {+M-2767/0 0s} a6 {-M-2767/0
0s} 4. Ba4 {+M-2767/0 0s} Nf6 {-M-2767/0 0s} 5. O-O
{+M-2767/0 0s} Be7 {-M-2767/0 0s} 6. Re1 {+M-2767/0 0s} b5
{-M-2767/0 0s} 7. Bb3 {+M-2767/0 0s} d6 {-M-2767/0 0s}
8. c3 {+M-2767/0 0s} O-O {-M-2767/0 0s} 9. d4 {+M-2767/0
0s} Bg4 {-M-2767/0 0s} 10. Be3 {+M-2767/0 0s} exd4
{-M-2767/0 0s} 11. cxd4 {+M-2767/0 0s} Na5 {-M-2767/0 0s}
12. Bc2 {+M-2767/0 0s} c5 {-M-2767/0 0s} 13. h3 {+M-2767/0
0s} Bh5 {-M-2767/0 0s} 14. g4 {+M-2767/0 0s} Bg6 {-M-2767/0
0s} 15. Nbd2 {+M-2767/0 0s} Nd7 {-M-2767/0 0s} 16. dxc5
{+M-2767/0 0s} dxc5 {Black last book move -M-2767/0 0s}
17. Qe2 {+M-2767/0 0s} Qc7 {+0.21/19 6:58m} 18. a4 {White
last book move +M-2767/0 0s} Rfb8 {+0.20/18 4:10m} 19. Rec1
{(Ted1) -0.25/17 3:45m} c4 {+0.23/17 5:56m} 20. Nd4
{-0.30/17 9:40m} Bf6 {+0.30/18 3:25m} 21. h4 {(axb5)
-0.19/17 3:59m} h6 {+0.47/17 4:45m} 22. g5 {-0.30/17 4:56m}
hxg5 {(Lxd4) +0.30/18 10:15m} 23. hxg5 {-0.35/18 4:55m} Be5
{+0.42/18 7:03m} 24. Qg4 {(Kg2) -0.31/17 8:38m} Nc6
{+0.28/18 7:05m} 25. N2f3 {-0.42/18 5:00m} Nxd4 {+0.28/19
4:17m} 26. Nxd4 {-0.42/17 0s} Nc5 {+0.28/19 3:37m} 27. b4
{(axb5) -0.21/18 6:14m} Ne6 {+0.19/18 6:27m} 28. Nxe6
{-0.21/17 0s} fxe6 {0.00/19 10:36m} 29. Ra2 {-0.22/19
9:09m} Qd7 {-0.10/19 9:55m} 30. Rd1 {+0.29/19 7:24m} Qe8
{-0.10/19 3:17m} 31. f4 {+0.04/19 5:48m} a5 {-0.10/19
4:23m} 32. fxe5 {(bxa5) +0.04/19 3:31m} axb4 {0.00/18
1:15m} 33. a5 {(Tf1) 0.00/19 6:32m} b3 {0.00/18 1:45m}
34. Bxb3 {0.00/18 0s} cxb3 {(Lh5) 0.00/20 3:15m} 35. Rh2
{+0.11/8 0s} Bh7 {0.00/20 6:16m} 36. Kg2 {0.00/18 6:33m}
Qg6 {0.00/18 0s} 37. Rh4 {0.00/20 5:06m} Rf8 {(b2) -0.06/18
1:27m} 38. Rdh1 {0.00/19 3:53m} b2 {0.00/20 3:54m} 39. Rxh7
{(Kg3) 0.00/20 4:02m} Qxh7 {0.00/21 3:47m} 40. Rxh7
{(Dxe6+) 0.00/21 5:51m} b1=Q {0.00/24 4:17m} 41. Qxe6+
{(g6) 0.00/21 6:53m} Rf7 {0.00/22 0s} 42. g6 {0.00/21
3:09m} Qf1+ {0.00/21 2:04m} 43. Kh2 {(Kg3) 0.00/22 2:57m}
Qe2+ {0.00/22 3:21m} 44. Kh1 {0.00/22 0s} Qe1+ {(Df3+)
0.00/23 5:25m} 45. Bg1 {(Kg2) 0.00/21 6:46m} Qxe4+ {0.00/20
2:32m} 46. Kh2 {0.00/20 0s} Qe2+ {(Df4+) 0.00/21 4:44m}
47. Kg3 {(Kh3) 0.00/22 6:00m} Qe1+ {(Df3+) 0.00/21 3:40m}
48. Kh2 {(Kg2) 0.00/21 2:25m} Qe2+ {0.00/22 2:48m} 49. Kh1
{0.00/23 6:49m} Qe4+ {0.00/22 2:19m} 50. Kh2 {0.00/22 0s}
Qc2+ {(Df4+) 0.00/21 6:10m} 51. Kg3 {(Kh1) 0.00/21 2:28m}
Qc3+ {(Dd3+) 0.00/20 2:50m} 52. Kh2 {(Kh4) 0.00/21 3:26m}
Qc2+ {0.00/22 2:02m} 53. Kg3 {(Kh1) 0.00/22 6:40m} Qd3+
{0.00/21 6:03m} 54. Kh4 {0.00/22 6:01m} Qe4+ {(Dd8+)
0.00/21 4:31m} 55. Kg3 {0.00/22 2:32m} Qf3+ {(Df4+) 0.00/22
8:30m} 56. Kh2 {0.00/21 0s} Qe2+ {Draw accepted 0.00/23
1:52m} 1/2-1/2

Game 33

Ruy Lopez (Chigorin Variation)

Rybka got the advantage of more opening moves and also the advantage in the game after leaving it. A longer endgame with a pawn up which was finally won.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "33"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C96"]
[Result "1-0"]

1. e4 {+M-2767/0 0s} e5 {-M-2767/0 0s} 2. Nf3 {+M-2767/0
0s} Nc6 {-M-2767/0 0s} 3. Bb5 {+M-2767/0 0s} a6 {-M-2767/0
0s} 4. Ba4 {+M-2767/0 0s} Nf6 {-M-2767/0 0s} 5. O-O
{+M-2767/0 0s} Be7 {-M-2767/0 0s} 6. Re1 {+M-2767/0 0s} b5
{-M-2767/0 0s} 7. Bb3 {+M-2767/0 0s} d6 {-M-2767/0 0s}
8. c3 {+M-2767/0 0s} O-O {-M-2767/0 0s} 9. h3 {+M-2767/0
0s} Na5 {-M-2767/0 0s} 10. Bc2 {+M-2767/0 0s} c5 {-M-2767/0
0s} 11. d4 {+M-2767/0 0s} Nd7 {-M-2767/0 0s} 12. Nbd2
{+M-2767/0 0s} exd4 {-M-2767/0 0s} 13. cxd4 {+M-2767/0 0s}
Nc6 {-M-2767/0 0s} 14. d5 {+M-2767/0 0s} Nce5 {-M-2767/0
0s} 15. a4 {+M-2767/0 0s} b4 {Black last book move
-M-2767/0 0s} 16. Nxe5 {+M-2767/0 0s} Nxe5 {-0.62/20 9:34m}
17. f4 {+M-2767/0 0s} Ng6 {-0.59/20 5:09m} 18. Nc4 {White
last book move +M-2767/0 0s} f5 {-0.64/19 4:57m} 19. exf5
{+0.55/19 7:17m} Bxf5 {-0.67/19 4:00m} 20. Bxf5 {+0.56/21
7:53m} Rxf5 {-0.67/18 0s} 21. g3 {(Dd3) +0.57/21 15:58m}
Rf7 {(Dc7) -0.62/17 6:58m} 22. Be3 {(b3) +0.60/20 6:44m}
Bf6 {(Dc7) -0.61/19 6:32m} 23. Bf2 {+0.70/19 4:41m} Qc7
{(Sf8) -0.62/19 5:26m} 24. Qd3 {(Te6) +0.75/19 9:12m} Rd8
{-0.67/18 4:44m} 25. Kg2 {(Te6) +0.75/20 1:55m} Re7 {(Se7)
-0.63/18 4:36m} 26. Rxe7 {+0.83/20 3:01m} Nxe7 {-0.76/20
4:46m} 27. Qe4 {+0.83/21 9:21m} Qd7 {-0.82/19 7:36m}
28. Re1 {+0.87/21 5:30m} b3 {-0.85/19 4:26m} 29. g4
{+0.91/20 3:26m} h6 {-0.97/19 4:07m} 30. a5 {(Lg3) +0.88/20
10:28m} Qb7 {-0.88/19 4:49m} 31. Rd1 {+0.91/19 2:37m} Kh8
{-0.91/18 5:01m} 32. Rd3 {(Kg1) +1.04/19 2:39m} Ng8
{-1.01/19 4:40m} 33. Nd2 {+1.05/19 2:33m} Ne7 {-1.01/19
3:56m} 34. f5 {+1.24/20 9:13m} Kh7 {(Te8) -1.12/19 9:34m}
35. Bg3 {+1.22/18 4:12m} Qb4 {-1.22/18 5:05m} 36. Qxb4
{+1.10/18 5:35m} cxb4 {-1.22/17 0s} 37. Rxb3 {(Se4)
+1.18/20 1:51m} Nxd5 {-1.20/16 0s} 38. Kf3 {+1.17/21 2:55m}
g6 {-1.24/19 2:20m} 39. fxg6+ {+1.20/20 38s} Kxg6 {-1.37/20
2:11m} 40. Nc4 {+1.18/20 1:28m} Kf7 {(h5) -1.42/20 3:03m}
41. Nxd6+ {(Lxd6) +1.36/21 5:29m} Ke6 {-1.37/20 2:51m}
42. Ke4 {+1.39/23 15:54m} Be7 {(Tb8) -1.40/20 4:13m}
43. Nf5 {+1.69/23 14:30m} Nf6+ {-1.41/20 4:58m} 44. Kf3
{+1.70/24 26:39m} Bf8 {-1.41/20 0s} 45. Re3+ {+1.70/24
6:09m} Kf7 {-1.41/19 0s} 46. Ke2 {+1.70/24 51s} Rd5
{-1.55/20 5:22m} 47. Re5 {+1.70/24 6:32m} Rd7 {-1.61/21
7:52m} 48. Ne3 {(Lf4) +1.79/23 8:46m} Bd6 {-1.73/19 5:39m}
49. Nc4 {+1.79/21 0s} Be7 {(Lc7) -2.05/20 4:44m} 50. Re3
{+2.19/21 1:49m} Rd5 {-2.14/20 5:04m} 51. Ne5+ {+2.38/21
2:12m} Kg8 {(Kg7) -2.14/20 2:36m} 52. Nc6 {+2.39/19 0s} Bf8
{-2.45/21 6:20m} 53. Re5 {+2.61/19 51s} Rxe5+ {-2.64/20
4:44m} 54. Bxe5 {+2.61/17 0s} Nd7 {-3.42/22 11:43m} 55. Kd3
{+3.43/21 1:17m} Nxe5+ {-3.77/23 3:37m} 56. Nxe5 {+3.43/19
0s} Bg7 {-3.77/23 0s} 57. Nc6 {+4.88/25 2:32m} Bxb2
{-4.39/24 3:19m} 58. Kc4 {+4.88/23 0s} Bf6 {(Lc3) -4.39/25
5:11m} 59. Nb8 {+4.88/22 0s} Bd8 {-5.56/25 2:52m} 60. Kxb4
{+5.12/21 7:43m} Be7+ {(Kf7) -6.53/25 3:19m} 61. Ka4
{+5.12/20 1:11m} 1-0

Game 34

Semi Slav

A quick draw for Rybka with Black where nothing really happened.

0,5:0,5

Game 35

French Defence (Steinitz Variation)

Another draw after early queen exchange.

0,5:0,5

All games, also those not given as pgn here, are available with annotations at the web site.

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Kind Regards
Heinz

By Heinz van Kempen (***)

Date 2008-09-12 15:00 Edited 2008-09-12 15:07

Hi all :-),

the tests with own books are slowly coming to an end. There will be two more posts with 10 games each in the following days, giving a total amount of one hundred games Rybka vs. Zappa with this CPU time consuming controls.

I am having the problem with books set to optimize that many lines are now repeated and have to check constantly in order to interrupt in case of doubles, what is of course not always possible when I am sleeping or most of the time not at home. But there will be more 40/120 with the generic set. Here we currently only have 300 games against six opponents with the repeated time control and we want to have some meaningful CEGT results and ratings here before Christmas, maybe also adding a second Rybka 3 personality later (Human or Dynamic).

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 25,0:15,0

Game 36

Ruy Lopez (Chigorin Variation)

Advancing the kingside pawns Zappa could trap a bishop, but lost three pawns for it and both kings remained fairly open. The piece up so early proved to be better and Zappa won the endgame with R+B+P against R+4P.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "36"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "C91"]
[Result "1-0"]

1. e4 {0s} e5 {1s} 2. Nf3 {0s} Nc6 {0s} 3. Bb5 {0s} a6 {0s}
4. Ba4 {0s} Nf6 {0s} 5. O-O {0s} Be7 {0s} 6. Re1 {0s} b5
{0s} 7. Bb3 {0s} d6 {0s} 8. c3 {0s} O-O {0s} 9. d4 {0s} Bg4
{0s} 10. Be3 {0s} exd4 {0s} 11. cxd4 {0s} Na5 {0s} 12. Bc2
{0s} c5 {0s} 13. h3 {0s} Bh5 {0s } 14. g4 {0s} Bg6 {0s}
15. Nbd2 {0s} Nd7 {0s} 16. dxc5 {0s} dxc5 {Black last book
move 0s} 17. Qe2 {0s} Qc7 {+0.30/19 5:16m} 18. a4 {White
last book move 0s} Rfb8 {+0.24/18 5:33m} 19. Rec1 {(Ted1)
-0.22/16 3:59m} Qb7 {(c4) +0.24/18 8:29m} 20. h4 {-0.17/17
7:54m} h5 {+0.23/18 6:31m} 21. g5 {(Sg5) -0.10/18 5:57m}
Nc6 {(c4) +0.48/19 4:16m} 22. Ne1 {(b3) -0.08/18 4:01m}
Nde5 {+0.58/18 5:13m} 23. f4 {(Ld1) -0.14/18 11:22m} Ng4
{+0.52/15 1:58m} 24. f5 {-0.31/18 6:03m} Bh7 {(Dc7)
+0.41/17 7:24m} 25. e5 {-0.04/17 4:22m} Qd7 {(Kh8) +0.36/17
8:41m} 26. e6 {-0.07/16 3:28m} fxe6 {+0.36/16 0s} 27. g6
{-0.07/16 0s} exf5 {+0.43/18 14:19m} 28. gxh7+ {-0.05/17
8:50m} Kxh7 {+0.43/19 5:54m} 29. Nef3 {-0.15/17 12:38m} c4
{(g6) +0.43/18 9:47m} 30. Nf1 {(Td1) -0.07/16 3:06m} g6
{+0.31/16 3:06m} 31. Qd2 {(Te1) 0.00/16 9:35m} Qc7 {(Db7)
+0.60/15 3:55m} 32. Bf4 {(Te1) -0.27/17 5:38m} Qb6+
{+0.62/17 10:10m} 33. Kh1 {-0.27/16 0s} Rd8 {+0.62/18
2:07m} 34. Qg2 {-0.28/16 2:54m} Nb4 {+0.62/17 6:40m}
35. Ng5+ {-0.16/16 3:06m} Bxg5 {+0.53/17 1:18m} 36. Bxg5
{-0.16/15 0s} Nf2+ {(Te8) +0.53/17 3:55m} 37. Kh2 {-0.26/18
5:28m} Nbd3 {+0.62/16 1:51m} 38. Bxd3 {-0.41/18 4:30m} Rxd3
{+0.45/16 1:26m} 39. Rc3 {-0.26/18 5:42m} Ng4+ {(Se4)
+0.38/16 1:17m} 40. Kh1 {-0.33/19 2:52m} Re8 {+0.38/17 46s}
41. Rxd3 {(axb5) -0.20/18 3:00m} Nf2+ {+0.26/15 3:24m}
42. Kh2 {-0.20/19 6:32m} Nxd3 {+0.25/16 2:04m} 43. axb5
{0.00/18 2:12m} Qxb5 {+0.20/17 4:15m} 44. Ng3 {0.00/18
3:17m} Qb8 {+0.03/17 6:33m} 45. Kh1 {0.00/18 2:18m} Qa7
{(Te6) 0.00/17 2:51m} 46. Rf1 {(Dc6) +0.03/18 4:50m} Qd7
{(Db6) 0.00/19 6:09m} 47. Ne2 {+0.13/17 2:32m} Re6 {0.00/20
5:18m} 48. Nc3 {+0.11/18 2:52m} Kg7 {(Dc7) 0.00/19 3:32m}
49. Nd5 {(Da8) +0.17/18 2:53m} Rd6 {(Kf7) -0.01/18 4:02m}
50. Ne3 {(Sf4) +0.21/16 2:14m} Rb6 {(Dc6) -0.08/17 2:52m }
51. Nxc4 {+0.23/16 2:11m} Rb4 {-0.06/17 1:19m} 52. b3
{(Se3) +0.30/17 2:32m} Rxb3 {-0.08/18 2:28m} 53. Nd2
{+0.32/18 2:53m} Rb2 {-0.09/19 3:54m} 54. Qe2 {+0.37/18
2:35m} Kh7 {-0.15/19 4:11m} 55. Rf3 {+0.41/19 2:56m} Nc5
{-0.15/20 2:04m} 56. Qe5 {(De7+) +0.41/19 3:34m} Qb7 {(Tc2)
-0.15/20 1:59m} 57. Qxc5 {(De7+) +0.56/20 3:06m} Rxd2
{-0.28/22 1:41m} 58. Qe7+ {+0.62/21 3:06m} Qxe7 {-0.28/21
0s} 59. Bxe7 {+0.62/21 0s} Ra2 {-0.36/26 2:03m} 60. Re3
{(Lg5) +0.69/22 4:39m} Kg8 {(a5) -0.38/27 3:11m} 61. Bd8
{(Lg5) +0.74/22 6:06m } Kf8 {(a5) -0.38/26 2:25m} 62. Re5
{(Te6) +0.82/23 5:15m} Rd2 {(Kg7) -0.38/27 3:30m} 63. Bg5
{+0.82/23 3:26m} Ra2 {(Td1+) -0.46/28 2:07m } 64. Re6
{+0.82/23 4:15m} Kf7 {(Ta1+) -0.73/27 5:03m} 65. Re7+
{+0.82/23 3:54m} Kf8 {-0.92/27 9:44m} 66. Ra7 {(Tc7)
+0.95/23 4:53m} a5 {(Ta1+) -0.92/25 4:54m} 67. Bh6+
{+1.11/22 3:57m} Ke8 {-0.92/26 1:50m} 68. Rg7 {+1.29/22
6:30m} a4 {(Ta1+) -0.92/26 9:15m} 69. Rxg6 {+1.67/21 3:39m}
Kd7 {(Te2) -0.92/25 6:07m} 70. Ra6 {+1.67/21 2:24m} Ke7
{-0.92/23 4:02m} 71. Bg5+ {+1.68/21 2:54m} Kd7 {-2.12/21
37s} 72. Kg1 {+1.69/21 2:05m} Ra3 {(Kc7) -2.12/23 1:14m}
73. Rh6 {(Kf2) +3.57/18 2:19m} Rb3 {(Ta1+) -1.94/18 51s}
74. Rxh5 {+3.57/9 0s} a3 {(Tg3+) -1.94/21 30s} 75. Rh7+
{+3.56/11 0s} Kc6 {(Ke6) -2.11/21 19s} 76. Ra7 {+3.57/11
0s} Kb6 {-2.11/22 1:36m} 77. Ra8 {+4.92/20 3:09m} Kb7
{-2.31/22 1:00m} 78. Ra4 {(Ta5) +4.92/19 0s} Kc8 {(Kc6)
-2.71/19 36s} 79. Kg2 {+5.99/20 2:53m} Rb2+ {-3.35/18 22s}
80. Kf3 {(Kg3) +6.15/21 2:53m} a2 {-4.14/17 13s } 81. h5
{+6.47/21 5:37m} Kd7 {-5.70/18 38:25m} 82. h6 {+6.57/20
4:06m} Ke6 {-5.60/18 25:23m} 83. Bf4 {(Ta7) +6.75/20 4:11m}
1-0

Game 37

Caro Kann (3.Nc3 4..Bf5)

21 moves from the books and soon an equal endgame.

0,5:0,5

Game 38

Sicilian Najdorf (Poisoned Pawn 10.f5)

The Rybka3.ctg with less book moves here, Rybka got a slightly better position with Black anyhow, being a pawn up for a more passive position for a while. Rybka gave the pawn back in the endgame but got a favourable rook endgame with advancing pawns in the center.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.12"]
[Round "38"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B97"]
[Result "0-1"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. Nc3 {0s} Nf6 {0s}
4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} a6 {0s} 6. Bg5 {0s} e6
{0s} 7. f4 {0s} Qb6 {0s} 8. Qd2 {0s} Qxb2 {0s} 9. Rb1 {0s}
Qa3 {0s} 10. f5 {0s} Nc6 {0s} 11. fxe6 {0s} fxe6 {0s}
12. Nxc6 {0s} bxc6 {0s} 13. Be2 {0s} Be7 {0s} 14. O-O {0s}
O-O {0s} 15. Rb3 {0s} Qc5+ {0s} 16. Kh1 {0s} Bd7 {0s}
17. Bf4 {0s} Rad8 {Black last book move 0s} 18. Rb7 {0s}
Rb8 {+0.33/20 7:10m} 19. Rfb1 {0s} Rxb7 {+0.43/19 2:49m}
20. Rxb7 {0s} Rf7 {+0.31/19 10:31m} 21. Rb8+ {0s} Ne8
{+0.64/18 3:03m} 22. g3 {White last book move 0s} h6
{+0.49/18 8:44m} 23. Be3 {(Nd1) -0.35/18 5:34m} Qe5
{+0.40/20 3:21m} 24. Bxa6 {(Bd4) -0.50/19 7:16m} d5
{+0.62/18 5:06m} 25. Rb3 {-0.50/19 5:54m} Nf6 {+0.60/20
26:44m} 26. Bd4 {-0.62/19 5:50m} Nxe4 {+0.64/20 1:27m}
27. Bxe5 {-0.48/20 7:46m} Nxd2 {+0.64/19 0s} 28. Rb8+
{-0.48/20 0s} Rf8 {+0.67/21 2:10m} 29. Rb7 {-0.70/20 6:08m}
Rd8 {+0.48/22 5:30m} 30. Kg2 {-0.68/20 8:16m} Bf6 {+0.61/21
5:23m} 31. Bxf6 {-0.68/19 0s} gxf6 {+0.61/20 0s} 32. Kf2
{-0.63/21 8:48m} f5 {(d4) +0.67/22 5:59m} 33. Rc7 {-0.63/19
10:38m} Kg7 {(Kf8) +0.67/21 2:02m} 34. Bb7 {(a4) -0.49/20
7:40m} Kf6 {+0.62/22 3:14m} 35. Bxc6 {(a4) -0.50/21 5:51m}
Bxc6 {+0.83/24 3:00m} 36. Rxc6 {-0.50/20 0s} Ne4+ {+0.85/24
1:53m} 37. Ke2 {-0.53/22 9:29m} Nxc3+ {+0.85/25 3:16m}
38. Rxc3 {-0.53/21 0s} Ra8 {+0.90/27 7:41m} 39. a3
{-1.01/22 5:33m} h5 {+0.90/27 4:40m} 40. Rb3 {-1.05/22
8:26m} Ra4 {(h4) +0.90/26 5:04m} 41. Ke1 {-1.04/22 5:00m}
Ra6 {+0.90/25 1:56m} 42. Ke2 {-1.05/22 8:35m} e5 {(Ra5)
+0.90/24 1:46m} 43. Rb5 {(Rb8) -1.33/20 7:01m} d4 {+1.65/23
5:30m} 44. Rb8 {(Rb3) -1.36/20 2:39m} Rxa3 {+2.80/20 3:48m
} 45. Rf8+ {-1.56/21 4:56m} Ke6 {+2.88/24 3:04m } 46. Rh8
{-2.31/21 5:06m} e4 {+2.88/22 0s} 47. Rxh5 {(Rh6+) -3.00/21
4:43m} Ra2 {+2.88/21 0s} 48. Kd1 {-3.59/22 6:40m} Ra1+
{+4.79/18 1:38m} 49. Ke2 {-3.59/22 0s} Rg1 {(Rc1) +5.12/22
7:06m} 50. Rh6+ {-4.33/19 4:53m} Ke5 {+4.85/19 0s} 51. Rh7
{(Rc6) -6.39/20 4:25m} Rg2+ {+5.12/20 9:58m} 52. Kd1
{-7.04/21 6:24m} e3 {+5.12/18 1:56m} 0-1

Game 39

French Defence (Mac Cutcheon Variation)

Around 20 moves from the book and a strange position with queens exchanged white having the bishop pair but a tripled pawn in the c-file. Rybka got the upper hand and Zappa gave the exchange in an already inferior position.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "39"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C12"]
[Result "1-0"]

1. e4 {2s} e6 {1s} 2. d4 {1s} d5 {0s} 3. Nc3 {1s} Nf6 {1s}
4. Bg5 {1s} Bb4 {0s} 5. e5 {0s} h6 {0s} 6. Be3 {0s} Ne4
{0s} 7. Qg4 {0s} Kf8 {0s} 8. Nge2 {0s} c5 {0s} 9. dxc5 {0s}
Nc6 {0s} 10. O-O-O {0s} Nxc3 {0s} 11. Nxc3 {0s} Bxc3 {0s}
12. bxc3 {0s} Qa5 {0s} 13. Kd2 {0s} Nxe5 {0s} 14. Qb4 {0s}
Nc6 {0s} 15. Qxa5 {0s} Nxa5 {0s} 16. Rb1 {0s} f6 {0s}
17. Be2 {0s} Ke7 {+0.07/17 4:36m} 18. Rb5 {0s} Nc6
{+0.06/19 4:38m} 19. f4 {0s} Kd8 {Black last book move 0s}
20. Bf3 {0s} Kc7 {+0.05/19 8:25m} 21. Ke2 {White last book
move 0s} Rd8 {+0.39/19 4:06m} 22. Kf2 {(Td1) -0.06/19
5:29m} e5 {+0.49/19 5:35m} 23. Rd1 {(Thb1) -0.06/20 2:48m}
Be6 {+0.60/20 6:44m} 24. fxe5 {(g4) -0.05/20 3:37m } fxe5
{+0.71/20 13:02m} 25. Kg1 {(g4) 0.00/21 3:51m} Rd7 {(Tab8)
+0.57/19 5:05m} 26. Bf2 {0.00/21 4:21m} Rad8 {+0.51/19
4:12m} 27. Bg3 {+0.01/22 10:56m} Kc8 {(Lf5) +0.34/19 3:36m}
28. Re1 {(Tbb1) +0.13/20 5:41m} e4 {(Te7) +0.25/20 3:02m}
29. Bh5 {+0.16/22 7:42m} Rg8 {(Lf5) 0.00/20 7:06m} 30. Bg6
{+0.71/21 25:50m} Ne7 {(Tf8) -0.34/19 6:31m} 31. Reb1
{+0.95/19 0s} Rgd8 {(Tf8) -0.57/19 4:52m} 32. Ra5 {+1.22/19
5:04m} Nc6 {-0.57/18 0s} 33. Ra3 {+1.22/18 0s} e3 {(h5)
-0.95/19 3:55m} 34. Re1 {+1.48/22 5:46m} Rf8 {-1.07/21
5:03m} 35. Bd6 {+1.52/23 7:23m} Rxd6 {-1.07/21 4:19m}
36. cxd6 {+1.52/22 0s} Kd7 {-1.08/22 8:22m} 37. Rxe3 {(Tb3)
+1.62/23 12:53m} Kxd6 {-1.15/20 2:36m} 38. Bd3 {(Te1)
+1.62/24 9:14m} b6 {(a6) -1.14/20 2:26m} 39. Bb5 {(Tf3)
+1.76/21 3:24m} Na5 {-1.18/20 2:11m} 40. Ra4 {+1.82/22
2:34m} Rf7 {-1.28/19 3:11m} 41. Rd4 {+1.84/22 2:15m} Rc7
{-1.30/20 3:33m} 42. Rf4 {(Td1) +1.88/22 3:25m} Nb7 {(Te7)
-1.31/21 4:11m} 43. Rf8 {+2.03/20 2:09m} Re7 {-1.32/21
3:41m} 44. a4 {(Kf2) +2.08/23 5:41m} Rc7 {(Sc5) -1.41/19
3:09m} 45. Ra8 {(Kf2) +2.66/23 10:22m} Nc5 {-1.78/21 4:21m}
46. Rd8+ {+2.67/23 4:28m} Bd7 {-1.87/21 5:58m} 47. Bxd7
{(Tee8) +2.67/24 3:08m} Rxd7 {-1.47/11 0s } 48. Rxd7+
{(Tee8) +2.67/23 0s} Kxd7 {-1.81/23 6:00m} 49. Rg3
{+2.67/23 0s} Ne6 {-1.81/22 0s} 50. Kf2 {+2.66/24 3:44m}
Kd6 {-1.99/21 4:31m} 51. Ke3 {(Tf3) +2.86/24 3:04m} a5
{(a6) -2.07/21 2:48m} 52. Rg6 {(Tf3) +2.86/22 0s} Ke7 {(h5)
-3.35/21 7:09m} 53. h4 {(c4) +5.12/23 11:55m} h5 {(Kf7)
-3.12/21 4:47m} 54. g4 {(c4) +5.12/23 2:57m } hxg4
{-3.92/21 3:42m} 55. Rxg4 {+5.08/21 5:25m} Kf7 {(Kf6)
-4.62/22 3:02m} 56. Rg1 {+5.11/21 0s} Nc5 {-5.19/22 3:36m}
57. Kd4 {+5.12/18 4:06m} Kf6 {(Sxa4) -6.78/22 5:40m}
58. Ra1 {(Kxd5) +5.11/19 0s} 1-0

Game 40

Semi Slav (Anti Moscow Variation)

A long line in Rybka´s book for Black and a drawish endgame with rook and knight and a few pawns each as a result.

0,5:0,5

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 25,0:15,0

Same result like Rybka 3 default currently.

Game 36

Sicilian Najdorf (English Attack)

Not less than 31 moves out of book. An endgame with rooks and knights, but few pawns left.

0,5:0,5

Game 37

Caro Kann (Advance Variation)

Rybka got the upper hand advancing the pawns against the long castled enemy king, while Zappa could not get enough counterattack. Good game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "37"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B12"]
[Result "1-0"]

1. e4 {2s} c6 {1s} 2. d4 {1s} d5 {0s} 3. e5 {0s} Bf5 {0s}
4. Nf3 {1s} e6 {0s} 5. Be2 {0s} Ne7 {0s} 6. O-O {0s} h6
{0s} 7. Nbd2 {0s} Nd7 {0s} 8. Nb3 {0s} Bh7 {0s} 9. c3 {0s}
Qc7 {Both last book move 0s} 10. a4 {+0.18/18 4:13m} O-O-O
{(Ng6) -0.40/17 4:38m} 11. a5 {+0.26/19 3:12m} a6 {-0.33/18
5:42m} 12. Ne1 {(Re1) +0.22/18 3:35m} c5 {(Nf5) -0.09/18
2:54m} 13. Nxc5 {(f4) +0.58/17 1:57m} Nxc5 {-0.12/9 0s}
14. dxc5 {+0.58/16 0s} Nc6 {-0.17/18 3:27m} 15. Be3
{+0.60/18 2:23m} Nxe5 {-0.08/19 4:16m} 16. b4 {+0.61/19
4:06m} Nc4 {(Kb8) -0.18/18 3:27m} 17. Bxc4 {+0.64/21
12:09m} dxc4 {-0.18/17 0s} 18. Qe2 {(Qg4) +0.65/21 6:39m}
g5 {(Be7) -0.30/19 13:10m} 19. Bd4 {+0.66/19 3:29m} Rg8
{-0.19/19 2:54m} 20. Bf6 {(Be5) +0.57/20 9:53m} Rd7
{0.00/19 2:48m} 21. Qxc4 {+0.51/20 2:11m} Rg6 {(Bd6)
0.00/20 3:38m} 22. Qe4 {(Bh8) +0.45/20 3:20m} Qc6 {-0.22/19
4:07m} 23. Qb1 {(Qxc6+) +0.39/20 6:14m} h5 {0.00/18 6:46m}
24. Bd4 {(c4) +0.40/19 2:00m} f6 {+0.05/18 7:04m} 25. Qa2
{+0.39/19 4:14m} e5 {+0.05/19 7:02m} 26. Be3 {+0.39/18 0s}
Bg8 {(Rgg7) +0.11/19 3:47m} 27. Qc2 {(Qe2) +0.45/19 2:36m}
Rgg7 {-0.01/18 2:12m} 28. c4 {+0.41/19 1:36m} h4 {-0.09/18
4:52m} 29. Rc1 {+0.43/19 3:47m} Be7 {(Kb8) -0.13/17 2:31m}
30. Qe2 {(Qb1) +0.77/15 1:42m} g4 {-0.14/17 2:17m} 31. Bh6
{+0.77/18 2:32m} Rh7 {-0.57/18 4:23m} 32. b5 {+0.94/18
3:17m} Qe6 {-0.57/17 0s} 33. Be3 {+0.94/18 13:03m} g3
{-0.62/18 4:11m} 34. h3 {+1.11/17 7:15m} Rg7 {-0.94/17
7:57m} 35. Qb2 {+1.26/17 4:37m} gxf2+ {-1.12/16 1:59m}
36. Bxf2 {(Rxf2) +1.26/16 0s} Kb8 {(Rc7) -1.25/16 2:40m}
37. c6 {+1.26/18 4:27m} Rc7 {-1.25/15 0s} 38. Rc3 {(Kh1)
+1.26/17 2:06m} Bh7 {(bxc6) -1.12/16 1:42m} 39. cxb7
{+1.36/16 2:00m} Rxb7 {(Be4) -1.22/16 2:02m} 40. Bxh4
{(Bb6) +1.28/16 1:12m} Be4 {-1.16/16 1:51m} 41. Qe2
{+1.28/16 2:14m} f5 {-1.24/17 2:44m} 42. Bxe7 {+1.47/17
2:54m} Qxe7 {-1.38/17 2:52m} 43. b6 {(bxa6) +1.47/18 2:04m}
Qc5+ {-1.57/17 2:54m} 44. Qe3 {+1.47/17 0s} Qxa5 {-1.65/17
2:41m} 45. c5 {+1.47/17 0s} Rbe7 {(Qb4) -1.87/18 9:12m}
46. c6 {+1.72/17 4:21m} Re8 {-1.95/18 3:19m} 47. Rf2
{+1.89/18 5:18m} Rg6 {-1.84/18 5:05m} 48. c7+ {+1.89/17
1:44m} Kb7 {-1.84/18 0s} 49. Rd2 {(Nd3) +1.89/18 3:19m} Rc8
{-1.85/9 0s} 50. Rd8 {+1.89/19 4:07m} Rg8 {-2.22/18 2:56m}
51. Rd6 {+1.89/19 5:49m} Qa2 {(Qb5) -2.40/18 6:31m} 52. g4
{+3.30/16 10:11m} Rh8 {(Qa4) -3.30/17 5:36m} 53. Rb3
{+3.35/14 0s} Qa1 {-4.86/16 5:45m} 54. Qd2 {+4.51/16
12:01m} fxg4 {(Qa4) -5.57/17 8:25m} 55. Qb4 {+4.95/14 0s}
1-0

Game 38

Semi Slav

After some exchanges Rybka had two rooks against queen and so could target the enemy pawns twice. Looks almost like an easy win with black, because Zappa had a weak doubled pawn in the e-file.

.
[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "38"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 Human x64 4CPU"]
[ECO "D47"]
[Result "0-1"]

1. d4 {0s} Nf6 {0s} 2. Nf3 {0s} d5 {0s} 3. c4 {0s} c6 {0s}
4. Nc3 {0s} e6 {0s} 5. e3 {0s} Nbd7 {0s } 6. Bd3 {0s} dxc4
{0s} 7. Bxc4 {0s} b5 {0s} 8. Bd3 {0s} Bb7 {0s} 9. e4 {0s}
b4 {0s} 10. Na4 {0s} c5 {0s } 11. e5 {0s} Nd5 {0s} 12. dxc5
{0s} Nxc5 {0s} 13. Nxc5 {0s} Bxc5 {0s} 14. O-O {0s} h6 {0s}
15. Nd2 {0s} Qc7 {0s} 16. Ne4 {0s} Be7 {0s} 17. Bb5+ {0s}
Kf8 {0s} 18. Qd4 {0s} a6 {0s} 19. Bc4 {White last book move
0s} Qc6 {0s} 20. f3 {+0.28/19 8:24m} Rd8 {Black last book
move 0s} 21. Bxd5 {+0.22/19 4:09m} Qxd5 {0.00/21 5:30m}
22. Qa7 {(Qb6) +0.27/19 7:40m} Kg8 {(Bc6) 0.00/21 7:53m}
23. Be3 {+0.37/19 4:43m} Kh7 {+0.08/21 5:18m} 24. Rfd1
{(Rac1) +0.24/19 4:50m} Qxd1+ {+0.34/20 3:29m} 25. Rxd1
{+0.24/18 0s} Rxd1+ {+0.34/19 0s} 26. Kf2 {+0.24/18 0s}
Bxe4 {+0.50/21 9:41m} 27. fxe4 {0.00/20 12:47m} Re8
{+0.58/22 4:42m} 28. Qxa6 {(Kf3) -0.11/20 5:02m} Rb1
{+0.70/21 3:38m} 29. Bd4 {(b3) -0.36/20 9:19m} Rd8
{+0.70/22 2:52m} 30. Qc4 {-0.36/19 0s} Kg8 {(Bf8) +0.75/23
7:02m} 31. Kf3 {-0.47/20 8:41m} Ra1 {+0.78/23 5:56m} 32. g3
{(Kg4) -0.51/19 8:32m } Ra8 {+0.78/21 2:45m} 33. Qc7 {(Bb6)
-0.50/20 5:40m} Bf8 {+0.80/23 4:08m} 34. Bc5 {(Kg4)
-0.53/20 4:28m} Bxc5 {+1.64/24 6:42m} 35. Qxc5 {-0.53/19
0s} R8xa2 {+1.64/23 0s} 36. Qc2 {-0.90/21 4:26m} Rf1+
{+1.98/24 11:05m} 37. Kg2 {(Ke3) -1.08/22 4:46m} Raa1
{+2.80/23 9:53m} 38. Qb3 {(Qd2) -1.47/22 8:49m} Rfd1
{(Rg1+) +2.88/25 7:45m} 39. Qxb4 {-1.42/21 5:55m} Ra2
{+2.88/23 0s} 40. Kf3 {(h4) -2.12/21 3:56m} Rb1 {+2.88/22
0s} 41. h4 {(Qe7) -2.12/21 3:18m} Raxb2 {+2.88/21 0s }
42. Qd4 {-2.35/20 6:06m} Rf1+ {(Kh7) +4.87/24 6:56m}
43. Kg4 {-2.45/23 7:16m} Rb3 {+4.87/23 0s} 44. h5 {-2.69/22
4:23m} Kh7 {+4.87/22 0s} 45. Qd8 {-2.69/21 0s} Rg1 {(Rb4)
+5.12/27 16:10m} 46. Kh4 {(Kf4) -2.79/22 3:20m} Re3
{+5.12/23 4:46m} 47. Qa8 {-3.44/22 4:34m} Rge1 {+5.12/23
36:24m} 48. Kh3 {(Qa7) -5.22/21 7:02m} Rxe4 {+5.12/21
24:32m } 49. Qb7 {(Kg2) -8.36/21 4:33m} Rxe5 {+5.12/20
14:31m} 0-1

Game 39

French Defence (Mac Cutcheon Variation)

This line was played between Anand and Kortschnoj in 1999 ending in a draw.

Here Rybka with good bishop and knight against Zappa´s worse counterparts opened the files at the kingside giving a pawn and winning the exchange. The endgame rook and two pawns against knight and three pawns was a fairly easy win and Rybka managed it penetrating with the king.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.11"]
[Round "39"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C12"]
[Result "1-0"]

1. e4 {0s} e6 {0s} 2. d4 {0s} d5 {0s} 3. Nc3 {0s} Nf6 {0s}
4. Bg5 {0s} Bb4 {0s} 5. e5 {0s} h6 {0s} 6. Bd2 {0s} Bxc3
{0s} 7. bxc3 {0s} Ne4 {0s} 8. Qg4 {0s} Kf8 {0s} 9. h4 {0s}
c5 {0s} 10. Rh3 {0s} Nc6 {0s} 11. Bd3 {0s} Nxd2 {0s}
12. Kxd2 {0s} c4 {0s} 13. Be2 {0s} Bd7 {0s} 14. Qf4 {0s}
Kg8 {0s} 15. Bh5 {0s} Be8 {0s} 16. Ne2 {Both last book move
0s} Kh7 {+0.13/18 4:38m} 17. Bf3 {(Bg4) -0.04/18 4:38m} f6
{(Ne7) +0.37/19 4:21m} 18. exf6 {(Rb1) +0.03/19 2:31m} Rf8
{+0.10/19 3:39m } 19. g4 {+0.03/20 5:33m} Qxf6 {+0.10/18
0s} 20. Qxf6 {+0.13/20 4:06m} Rxf6 {+0.10/17 0s} 21. g5
{(Rf1) +0.14/20 2:22m} Rf8 {-0.14/20 5:11m} 22. Bg4
{+0.17/20 6:49m} Bd7 {(e5) -0.18/20 6:17m} 23. Rb1 {(f4)
+0.22/20 5:33m} b6 {-0.19/20 4:52m} 24. f4 {(Re3) +0.18/20
2:10m} Rae8 {-0.16/20 4:38m} 25. Rg1 {(Re3) +0.18/20 4:24m}
Re7 {(Ne7) -0.24/20 10:59m} 26. Re3 {(Rgh1) +0.23/19 3:47m}
g6 {(Ree8) -0.38/21 8:04m} 27. h5 {+0.34/21 4:18m} gxh5
{-0.35/21 3:32m} 28. Bxh5 {+0.33/22 6:05m} hxg5 {-0.42/21
4:04m} 29. fxg5 {+0.29/22 8:47m} Kg7 {(Kg8) -0.44/20 5:35m}
30. Bg4 {+0.73/20 11:06m} Rf2 {(e5) -0.69/20 4:39m} 31. Ke1
{(Rh3) +0.66/20 4:52m } Rf8 {-0.75/20 4:48m} 32. Rh1
{+0.67/21 2:30m} Kg6 {(Be8) -0.78/20 4:25m} 33. Rh6+ {(Kd2)
+0.93/20 4:11m} Kxg5 {-0.69/9 0s} 34. Rh5+ {(Rh2) +0.93/19
0s} Kg6 {-0.70/21 7:13m} 35. Rh1 {(Rh2) +1.05/21 5:52m} Kf7
{-0.70/20 3:55m} 36. Nf4 {+1.05/22 2:57m} Ke8 {-0.72/20
3:43m} 37. Ng6 {+1.13/22 3:27m} Rf6 {-0.74/21 3:57m}
38. Rh8+ {+1.13/23 4:49m} Kf7 {-0.74/20 0s} 39. Nxe7
{+1.13/24 9:53m} Kxe7 {-0.74/19 0s} 40. Bh5 {+1.12/26
5:14m} Kd6 {(Rf5) -0.53/21 4:51m} 41. Rf3 {+1.18/27 4:26m}
Rxf3 {-0.48/22 3:22m} 42. Bxf3 {+1.18/26 0s} b5 {(a6)
-0.48/23 4:54m} 43. Kd2 {+1.30/25 3:27m} a5 {-0.48/23
3:53m} 44. a3 {(Bg2) +1.29/27 3:54m} b4 {-0.46/23 3:51m}
45. axb4 {+1.29/28 3:04m} axb4 {-0.46/22 0s} 46. Rh6
{(cxb4) +1.29/28 1:37m} bxc3+ {-0.36/23 2:56m} 47. Kxc3
{+1.29/26 0s} Be8 {-0.36/24 4:11m} 48. Bg4 {+1.29/28 3:17m}
Bf7 {-0.36/24 4:00m} 49. Be2 {(Rh7) +1.28/28 2:53m} Ke7
{(Be8) -0.36/23 2:24m} 50. Bf3 {(Bd1) +1.28/28 4:19m} Be8
{-0.36/23 2:57m } 51. Bg4 {(Rh7+) +1.28/28 2:40m} Bf7
{-0.36/23 2:51m} 52. Bh5 {(Bh3) +1.14/28 7:42m} Bxh5
{-0.33/24 2:37m} 53. Rxh5 {+1.14/32 1:33m} Kd7 {(Kd6)
-0.33/26 2:38m} 54. Rg5 {(Rh7+) +1.14/33 3:39m} Ke7 {(Kd6)
-0.33/26 3:11m} 55. Rg6 {(Rg8) +1.14/33 2:05m} Kd7 {(Kd6)
-0.33/26 3:31m} 56. Rh6 {(Rg7+) +1.14/34 2:58m} Ke7 {(Kd6)
-0.33/26 3:18m} 57. Rh1 {(Rh7+) +1.14/34 2:58m} Kd7 {(Kd6)
-0.33/27 2:51m} 58. Ra1 {(Rh7+) +1.14/33 3:40m} Kd6 {(Ke7)
-0.33/26 2:40m} 59. Ra6 {(Rf1) +1.14/33 1:23m} Kd7 {(Kc7)
-0.33/27 2:28m} 60. Ra8 {(Ra1) +1.14/34 2:01m} Ke7 {(Kd6)
-0.33/27 4:35m} 61. Rh8 {(Rg8) +1.14/32 2:24m} Kd6 {(Kd7)
-0.33/27 3:13m} 62. Rh2 {(Rf8) +1.14/33 2:10m} Kd7 {(Ne7)
-0.33/25 3:40m} 63. Rf2 {(Rh7+) +1.14/34 2:03m} Ke7
{-0.33/28 4:00m} 64. Rf4 {+1.14/35 2:45m} Kd7 {(Kd6)
-0.33/28 4:27m} 65. Rf6 {+1.14/34 1:35m} Kd6 {-0.33/27
2:41m} 66. Rf1 {(Rf7) +1.14/33 3:51m} Ke7 {(Ne7) -0.33/27
3:42m} 67. Rf2 {+1.14/34 2:33m } Kd6 {-0.33/28 3:19m}
68. Rf6 {+1.14/34 1:37m} Nd8 {(Ne7) -0.33/28 2:44m} 69. Kd2
{+1.20/33 3:16m } Nc6 {-0.33/28 2:56m} 70. c3 {+1.20/34
3:24m} Ke7 {(Na7) -0.33/27 2:54m} 71. Rh6 {+1.45/33 1:40m}
Kd6 {-0.33/28 2:41m} 72. Ke3 {+1.45/35 2:43m} Nd8 {(Na7)
-0.33/28 2:52m} 73. Kf4 {+1.45/34 1:47m} Ke7 {-0.33/28
2:46m} 74. Rh7+ {(Rh8) +1.45/36 5:28m} Kd6 {(Nf7) -0.33/27
3:16m} 75. Rh3 {(Ra7) +1.45/34 5:45m} Ke7 {(Nf7) -0.33/28
7:14m} 76. Kg5 {(Rh7+) +4.03/27 3:16m} Nc6 {-0.33/10 0s}
77. Rh6 {(Rh7+) +4.83/28 9:04m} Nb8 {-5.85/24 7:03m}
78. Rh7+ {+5.12/26 2:16m} Kd6 {-5.85/24 0s} 79. Kf6
{+4.03/25 0s} 1-0

Game 40

Sicilian Najdorf (English Attack)

A rather boring game with only two half.open file which were of no use. A queen´s endgame ending in a draw after 187 moves.

0,5:0,5

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

Kind Regards
Heinz

By Heinz van Kempen (***)

Date 2008-09-14 13:44 Edited 2008-09-14 13:48

Hi all :-),

Match A

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 29,0:16,0

Game 41

Sicilian (Richter Rauser)

No clear advantage after the opening moves, but the way Zappa played it´s long castled king proved to be vulnerable in the long run. Some manouvering and Rybka could win a pawn and later the queens endgame. In the end four queens on the board, but Rybka´s king position was completely safe and she could convert her clear advantage to a win.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.12"]
[Round "41"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B67"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. d4 {0s} cxd4
{0s} 4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} d6 {0s } 6. Bg5 {0s}
e6 {0s} 7. Qd2 {0s} a6 {0s} 8. O-O-O {0s} Bd7 {0s} 9. f4
{0s} b5 {0s} 10. Bxf6 {0s} gxf6 {0s} 11. Kb1 {0s} Qb6 {0s}
12. Nxc6 {0s} Bxc6 {0s} 13. Qe1 {0s} O-O-O {0s} 14. Bd3
{0s} Rg8 {0s} 15. Qh4 {0s} Rxg2 {0s} 16. f5 {0s} Re8 {0s}
17. Qxf6 {0s} Qb7 {0s} 18. fxe6 {0s} fxe6 {0s} 19. Qf4
{Both last book move 0s} Rd8 {+0.12/17 4:50m} 20. Ne2
{(Rhg1) +0.16/20 5:45m} Bg7 {+0.03/18 4:51m} 21. Qe3
{+0.16/21 11:40m} Be5 {(Rg6) +0.02/18 5:37m} 22. Nf4
{+0.23/18 2:17m} Bxf4 {0.00/19 4:03m} 23. Qxf4 {+0.21/21
4:25m} e5 {(Qg7) -0.09/19 5:10m} 24. Qe3 {+0.29/20 4:14m}
Kb8 {-0.19/20 10:11m} 25. Rhf1 {(Rhg1) +0.28/20 9:44m} Qa7
{-0.05/19 5:17m} 26. Qh3 {(Qe1) +0.30/20 5:45m} Rg6 {(Rdg8)
-0.37/19 26:40m} 27. a3 {+0.33/20 6:04m} Rc8 {(Rdg8)
-0.15/17 3:37m} 28. Rf3 {+0.36/19 5:25m} Qe7 {(Rcg8)
-0.39/18 10:13m } 29. Qf1 {(a4) +0.48/19 7:32m} Rg4 {(Qa7)
-0.55/18 4:19m} 30. Rf6 {(a4) +0.58/19 9:33m} Rg6 {-0.38/18
3:42m} 31. Rf7 {(Rf3) +0.60/19 2:22m} Qh4 {-0.82/19 5:39m}
32. Qe2 {(a4) +0.58/20 4:04m} Rc7 {(Be8) -0.38/18 2:01m}
33. Rf8+ {+0.77/18 2:23m } Rc8 {-0.64/19 4:05m} 34. Rdf1
{+0.71/20 3:36m} Rxf8 {-0.58/19 5:16m} 35. Rxf8+ {+0.71/18
0s} Kb7 {-0.58/19 0s} 36. Rf7+ {+0.85/20 4:00m} Kc8
{-0.58/19 0s} 37. Qe3 {+0.87/20 3:27m} Bd7 {-0.74/18 3:44m}
38. Bf1 {+0.91/20 9:55m} Qg4 {(Rf6) -0.82/17 1:50m} 39. b3
{(b4) +1.03/20 7:38m} Qg1 {-0.57/18 2:08m} 40. Qc3+ {(Qd3)
+1.03/20 5:13m} Kd8 {-0.63/19 2:15m} 41. Qf3 {+1.03/21
4:47m} Rh6 {-0.72/19 3:33m} 42. h4 {(h3) +1.19/20 3:30m}
Qg6 {-0.74/19 2:43m} 43. Qf2 {+1.29/20 3:17m} Ke8 {-0.74/18
0s} 44. Rf8+ {(Rf3) +1.35/20 3:32m} Ke7 {-0.35/9 0s}
45. Rf3 {+1.35/19 0s} Qe8 {-1.08/17 2:55m} 46. Kb2 {(Bh3)
+1.40/20 5:17m} Bg4 {-1.15/19 3:29m} 47. Rg3 {+1.40/20
2:04m} Rf6 {-1.15/18 0s} 48. Qb6 {+1.40/21 4:40m} h5
{-1.13/19 4:36m} 49. Bg2 {+1.55/21 11:40m} Qd8 {(Bd7)
-1.15/19 2:58m} 50. Qxa6 {+1.89/18 9:35m} Qb8 {-1.30/20
2:55m} 51. Bh3 {+2.01/18 1:17m} Rf3 {(Bxh3) -1.60/19 5:11m}
52. Rxf3 {+1.89/17 0s} Bxf3 {-1.60/19 0s} 53. Bf5 {+2.51/19
1:19m} Bg4 {-1.83/20 4:36m} 54. Qc6 {+2.51/17 0s} Bxf5
{-2.00/20 5:06m} 55. exf5 {+3.02/22 8:38m} Kf6 {-2.26/20
9:06m} 56. Qd7 {(Qg2) +3.02/20 0s} Qg8 {-1.82/8 0s}
57. Qxd6+ {(Qxb5) +3.02/22 1:19m} Kxf5 {-1.76/20 9:20m}
58. Qd7+ {+3.02/21 0s} Kf4 {-1.76/20 7:29m} 59. Qd2+
{+3.02/20 0s} Kf3 {(Kf5) -1.93/20 5:08m} 60. Qd1+ {(Qd3+)
+3.89/20 3:21m} Kf2 {-2.60/19 3:59m} 61. Qxh5 {+3.89/18 0s}
Qe6 {-3.21/20 10:32m} 62. Qg5 {+3.89/17 0s} e4 {-3.21/20
2:23m} 63. h5 {+3.89/17 0s} e3 {-3.21/19 0s} 64. h6
{+3.89/17 0s} Qd6 {(Qe4) -3.47/19 3:31m} 65. Qh4+ {+4.40/22
2:55m} Kg2 {-3.47/18 0s} 66. Qh5 {(h7) +4.40/21 0s} Qf6+
{-3.58/19 3:02m} 67. Ka2 {+4.40/21 0s} Qf3 {(Qf2) -3.77/19
3:47m} 68. Qg5+ {+5.12/20 3:56m} Qg3 {-3.88/19 2:07m}
69. Qd5+ {(Qxg3+) +4.40/18 0s} Kf2 {(Qf3) -3.88/19 3:11m }
70. h7 {+5.11/18 0s} e2 {-3.88/18 0s} 71. Qc5+ {(Qd4+)
+5.12/19 10:48m} Kg2 {-3.88/19 2:53m} 72. h8=Q {+5.12/16
2:15m} e1=Q {-3.88/18 0s} 73. Qc6+ {(Qa8+) +5.09/13 4:23m}
Kf2 {-3.88/19 3:40m} 74. Qd4+ {(Qhf6+) +11.08/17 12:50m }
Qee3 {-3.88/19 2:54m} 75. Qcf6+ {(Qd1) +11.69/17 4:09m} Ke2
{-3.88/19 1:33m} 76. Qd5 {+5.10/16 0s} Qh3 {-3.88/18 0s}
77. Qxb5+ {+13.85/16 4:24m} Ke1 {-3.88/17 0s} 78. a4 {(Qa4)
+13.84/16 5:00m} Qd2 {-7.34/16 3:22m} 79. Qc4 {(Qc5)
+18.95/15 6:00m} Qde3 {-7.34/11 0s} 80. a5 {(Qb4+)
+13.94/15 3:36m} Kd2 {-M19/16 2:03m} 81. Qd5+ {+21.64/15
38:32m} Ke2 {(Ke1) -M17/19 8:04m} 82. a6 {+39.97/13 2:17m}
Ke1 {-M16/19 7:42m} 83. Qa5+ {(Qa1+) +28.15/12 25:28m} Qd2
{-M15/18 2:38m} 84. Qa1+ {(Qxd2+) +38.46/12 17:19m} Ke2
{-M14/20 3:16m} 85. Qb5+ {+28.15/12 11:46m} Kf2 {-M13/19
3:37m} 86. a7 {+38.73/11 49s} Qxc2+ {(Qd8) -M12/19 3:59m}
87. Ka3 {+5.10/10 0s} Qe4 {(Qd2) -M11/19 4:18m} 88. Qb2+
{+M14/10 20s} Kg1 {(Kg3) -M10/20 3:11m} 89. Qg5+ {(Qc5+)
+M12/7 1s} Qhg2 {(Kh1) -M11/17 3:18m} 90. Qbxg2+ {(Qgxg2+)
+M11/7 0s} Qxg2 {-M10/9 0s} 91. Qxg2+ {+M9/3 0s} Kxg2
{-M10/1 0s } 92. a8=Q+ {+M9/1 0s} Kf2 {-M8/1 0s} 93. b4
{+M8/1 0s} Ke3 {-M7/1 0s} 94. b5 {+M7/1 0s} Kf4 {-M6/1 0s}
95. b6 {+M6/1 0s} Kg5 {-M5/1 0s} 96. b7 {+M5/1 0s} Kg4
{-M4/1 0s} 97. b8=Q {+M4/1 0s} Kf5 {-M3/1 0s} 98. Qd5+
{+M3/1 0s} Kf6 {-M2/1 0s} 99. Qf8+ {+M2/1 0s} Kg6 {-M2/1
0s} 100. Qdf5# {+M1/1 0s} 1-0

Game 42

Sicilian Najdorf (6.Be3)

A very complicated middlegame, for me needing further analyses in order to understand all the tactics. Zappa “thought” to have some advantage in the endgame and maybe missed the win at some point (with rooks still on the board). Later material was too reduced.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.12"]
[Round "42"]
[White "Zappa Mexico II x64 4CPU"]
[Black "Rybka 3 x64 4CPU"]
[ECO "B84"]
[Result "1/2-1/2"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. Nc3 {0s} Nf6 {0s}
4. d4 {0s} cxd4 {0s} 5. Nxd4 {0s} a6 {0s} 6. Be3 {0s} e6
{0s} 7. Be2 {0s} Nbd7 {0s} 8. g4 {0s} h6 {0s } 9. f4 {White
last book move 0s} g5 {0s} 10. fxg5 {+0.44/16 2:39m} hxg5
{0s} 11. Bxg5 {+0.43/16 3:02m} b5 {0s} 12. Bf3 {+0.35/17
6:05m} b4 {0s} 13. Nce2 {+0.30/17 2:53m} Bb7 {Black last
book move 0s} 14. Qd2 {+0.35/16 2:47m} Qa5 {(Lxe4) +0.06/17
4:32m} 15. Ng3 {+0.29/16 4:08m} Be7 {0.00/17 1:54m} 16. h4
{(a3) +0.30/16 5:28m} Ne5 {(Tc8) +0.06/17 18:34m} 17. Rf1
{+0.38/16 2:56m} Nc4 {(Tc8) 0.00/16 3:22m} 18. Qf2
{+0.30/17 3:11m} Nxb2 {(Th7) 0.00/16 6:14m} 19. Be2 {(Lh1)
+0.08/16 12:20m} Rxh4 {(Tf8) 0.00/14 3:21m } 20. Bb5+
{0.00/16 3:57m} axb5 {0.00/13 0s} 21. Bxh4 {0.00/16 0s} b3+
{0.00/16 3:36m} 22. Ke2 {0.00/16 0s} Qc3 {(Sc4) 0.00/17
7:18m} 23. Bxf6 {+0.90/17 11:26m} bxc2 {0.00/18 9:26m}
24. Qf3 {+0.90/17 0s} Qc4+ {0.00/18 5:14m} 25. Kf2
{+0.90/17 0s} Ra3 {(Sd3+) 0.00/18 6:21m} 26. Nb3 {(Dxa3)
+0.97/17 4:49m} Bxf6 {-0.29/15 4:33m} 27. Qxf6 {+0.97/16
0s} Nd3+ {-0.29/14 0s} 28. Kg1 {+0.97/16 0s} Ne5 {-0.27/17
4:10m} 29. Qf4 {+0.91/17 6:34m} Bc6 {(Ta4) -0.35/17 6:38m}
30. g5 {+0.99/17 5:03m} Kd7 {-0.35/18 12:19m} 31. Qe3
{+0.97/18 6:57m} b4 {-0.60/16 2:46m} 32. Kg2 {+1.09/17
3:36m} Ke8 {(Ke7) -0.68/17 5:04m} 33. Rh1 {+1.35/17 3:33m}
Qd3 {-0.85/16 5:25m} 34. Rh8+ {+1.42/18 3:36m} Kd7
{-0.87/17 1:54m} 35. Qxd3 {+1.42/18 0s} Nxd3 {-1.07/18
1:37m} 36. Rf1 {+1.51/19 4:09m} Ne5 {-1.08/19 2:11m}
37. Nc1 {(g6) +1.44/19 3:41m} d5 {-0.80/18 1:33m} 38. Nge2
{+1.58/18 4:16m} dxe4 {-1.38/17 57s} 39. Nd4 {+1.96/18
3:51m} Rc3 {-1.74/15 35s} 40. Rxf7+ {(Sxc6) +2.40/17 2:20m}
Nxf7 {-1.74/13 0s} 41. g6 {(Th7) +2.40/17 0s} Nh6 {(Sxh8)
-1.97/19 4:29m} 42. Rh7+ {(Txh6) +3.05/17 3:26m} Kd6
{-1.57/20 6:40m} 43. Rxh6 {+3.05/17 0s} Rc5 {-1.57/19 0s}
44. Kf2 {+3.05/19 5:00m} Rg5 {(Le8) -1.55/21 7:46m}
45. Nxc2 {+3.30/19 3:20m} Be8 {-1.55/22 6:16m} 46. Nxb4
{+3.33/19 4:21m} Rxg6 {(Lxg6) -1.51/22 4:38m} 47. Rxg6
{(Th8) +3.97/21 5:14m} Bxg6 {-0.54/29 8:06m} 48. Nb3
{+3.97/21 0s} e5 {-0.52/29 2:05m} 49. Ke3 {+3.97/24 3:44m}
Bh7 {-0.52/29 1:12m} 50. Na6 {(Ke2) +3.97/24 4:14m} Kc6
{-0.50/29 1:39m} 51. Nac5 {+3.97/23 0s} Kb5 {-0.50/30
1:17m} 52. a4+ {+3.97/22 0s} Kb4 {-0.50/31 1:48m} 53. a5
{+3.97/22 0s} Kb5 {-0.50/29 0s} 54. Nxe4 {+3.97/22 0s} Bg8
{-0.37/32 3:16m} 55. Nec5 {+3.97/21 0s} Bd5 {-0.36/32
3:42m} 56. Ke2 {(Kd2) +3.97/27 4:06m} e4 {(Kc6) -0.36/32
3:35m} 57. Ke3 {(Kd2) +0.01/27 3:07m} Kb4 {(Kc4) -0.29/30
9:04m} 58. Kd4 {+0.01/26 3:20m} Bc6 {-0.29/29 1:16m} 59. a6
{(Sa1) +0.01/26 3:02m} Kb5 {-0.29/29 5:51m} 60. a7 {(Sd2)
+0.01/26 2:40m} e3 {(Kb6) -0.29/29 6:41m} 61. Nd3 {(Kxe3)
+0.01/24 3:59m } Kb6 {-0.29/29 4:23m} 62. Nbc5 {(Kxe3)
+0.01/24 4:49m} Kxa7 {(e2) -0.09/27 1:59m} 63. Ne6 {(Se1)
+0.01/30 3:51m} Be4 {(e2) -0.07/26 1:27m} 64. Ne1 {(Sef4)
+0.01/32 6:12m} Kb6 {(Lf5) -0.07/27 1:48m} 65. Kc3 {(Kxe4)
0.00/27 3:25m} Bg6 {(Kc6) adjud. Draw accepted -0.07/27
1:45m} 1/2-1/2

Game 43

Sicilian Najdorf 6.Be3

Rybka successful here with a piece sacrifice for three pawns (later pawn for the exchange). The game was unclear until in the end Rybka coud push her passed queenside pawns. Interesting game.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.13"]
[Round "43"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B80"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} a6 {0s } 6. Be3 {0s} e6
{0s} 7. f3 {0s} b5 {0s} 8. Qd2 {0s} Nbd7 {0s} 9. g4 {0s} h6
{0s} 10. O-O-O {0s} b4 {0s} 11. Na4 {0s} Ne5 {0s} 12. Qxb4
{0s} Bd7 {0s} 13. Bf4 {0s} Ng6 {0s} 14. Bg3 {0s} e5 {0s}
15. Nf5 {0s} d5 {0s} 16. Nc5 {0s} Qc8 {0s} 17. Nxg7+ {0s}
Bxg7 {0s} 18. Nxd7 {0s} Qxd7 {0s} 19. exd5 {0s} a5 {0s}
20. Qa3 {0s} Qb7 {0s} 21. Qd6 {Both last book move 0s} Rd8
{-0.10/19 9:06m} 22. Qa3 {+0.54/18 5:39m} Qb4 {(Rb8)
-0.19/19 12:17m} 23. Qxb4 {+0.32/20 8:23m} axb4 {-0.19/18
0s} 24. d6 {+0.19/21 31:19m} O-O {-0.10/20 11:06m} 25. h4
{(Bb5) +0.14/21 22:29m} Ra8 {(Nf4) -0.29/19 9:52m} 26. Bc4
{+0.44/18 2:26m} Nd7 {(Rfc8) -0.15/19 5:47m } 27. Kb1
{+0.45/17 3:12m} Rfd8 {0.00/19 5:10m} 28. Bf2 {(Rhe1)
+0.31/18 3:16m} Nf4 {0.00/19 7:24m} 29. Be3 {(Rhe1)
+0.29/17 3:01m} Rac8 {(Bf8) +0.21/20 9:47m} 30. Bb5 {(b3)
0.00/18 3:27m} Ne6 {+0.59/19 6:58m} 31. Rhe1 {0.00/19
2:46m} Rb8 {+0.43/19 9:29m} 32. Bc4 {-0.09/20 6:00m} Nb6
{+0.48/19 2:18m} 33. Bb3 {-0.10/20 5:11m} Bf8 {+0.49/19
4:33m} 34. Bc1 {(Rd2) -0.10/20 2:03m} Nd4 {+0.56/19 2:55m}
35. f4 {(Rxe5) -0.15/20 3:27m} Bxd6 {+0.59/20 4:44m}
36. fxe5 {-0.18/21 2:48m} Be7 {(Bf8) +0.57/19 3:05m} 37. h5
{(e6) -0.16/19 1:23m} Kg7 {(Bf8) +0.74/19 2:15m} 38. e6
{(Rd3) -0.18/20 4:30m} fxe6 {+0.84/19 2:39m} 39. Bf4
{(Bxe6) -0.23/20 3:48m} Nxb3 {+0.98/20 3:32m} 40. Bxb8
{(Rxd8) -0.23/21 4:22m} Nd2+ {+0.94/7 0s} 41. Kc1 {-0.27/23
5:29m} Bg5 {(Rxb8) +1.10/19 4:50m} 42. Bc7 {0.00/23 4:18m}
Ndc4+ {+1.10/18 0s} 43. Kb1 {0.00/22 0s} Rxd1+ {+1.10/18
0s} 44. Rxd1 {0.00/22 0s} Nd5 {+1.10/18 0s} 45. Rd3
{0.00/24 3:28m} Kf7 {(Nd2+) +1.08/19 6:48m} 46. c3 {(a3)
0.00/23 4:28m} bxc3 {(Ke7) +0.86/20 16:38m} 47. bxc3
{0.00/24 1:29m} Ke8 {(Ke7) +0.78/20 8:02m } 48. Bg3
{+0.24/21 2:56m} Nde3 {(Nd2+) +0.79/20 2:56m} 49. a4
{+0.21/21 1:44m} Ke7 {(e5) +0.31/20 11:54m} 50. Bf2 {(Ka2)
+0.39/22 1:57m} Nxg4 {+0.53/19 2:14m} 51. Bc5+ {+0.39/21
0s} Ke8 {+0.39/21 4:59m} 52. Rd4 {(Kc2) +0.52/23 4:35m}
Nge5 {+0.62/20 3:47m} 53. Bb4 {+0.45/24 2:55m} Nf3 {(Be3)
+0.48/20 4:34m} 54. Rd1 {+0.64/21 1:32m} Bd8 {+0.48/20
1:50m} 55. Ka2 {+0.56/23 2:04m} Bb6 {+0.38/20 1:56m}
56. Kb3 {+0.68/24 3:35m} Nfd2+ {+0.14/20 2:58m} 57. Kc2
{+0.68/22 0s} Nf1 {(Nf3) 0.00/21 3:25m} 58. Re1 {+0.89/22
1:40m} Nfe3+ {(Kd7) 0.00/20 1:46m} 59. Kb3 {(Kd3) +0.96/22
1:51m} Nd2+ {+0.14/19 1:51m} 60. Ka2 {+0.96/20 0s} Nf3
{(Ba7) 0.00/20 3:57m} 61. Re2 {+1.27/22 3:34m} Ng5
{-0.17/20 4:15m} 62. a5 {+1.62/22 6:00m} Ba7 {-0.17/19 0s}
63. a6 {+1.62/21 0s} Nf7 {-0.36/19 1:31m} 64. Re1 {(Ba5)
+1.79/23 9:15m} Kd7 {-0.58/20 4:45m} 65. Rg1 {(Rb1)
+1.79/21 0s} Nf5 {-0.83/20 3:00m} 66. Rg6 {+1.86/23 2:17m}
Ne5 {(N7d6) -1.48/19 4:17m} 67. Rf6 {+1.86/21 0s} Bf2
{-1.70/19 4:43m} 68. Ka3 {(Kb3) +2.45/20 1:49m} Nc6
{-1.77/19 1:45m} 69. Kb3 {(Rf7+) +2.45/18 0s} Be3 {(Bb6)
-1.77/19 1:32m} 70. Kc4 {+3.25/22 9:50m} Nxb4 {-2.81/19
5:08m} 71. cxb4 {+3.25/20 0s} Ke7 {-3.02/19 1:46m} 72. Rg6
{+3.25/20 0s} Kd6 {-3.02/20 2:26m} 73. Rg8 {+3.25/18 0s}
Bf2 {-3.59/20 1:59m} 74. Rf8 {(b5) +5.10/20 13:07m} Ke7
{(Bb6) -3.87/18 1:03m} 75. Rh8 {(Rb8) +5.11/18 0s} Nd6+
{(Kf6) -3.87/17 30s} 76. Kb3 {(Kc3) +5.12/18 6:18m} Nf5
{-3.93/19 41s} 77. b5 {(Rh7+) +5.12/17 2:39m} Kd6 {-6.12/17
1:05m} 78. Kb4 {(Rb8) +5.12/17 3:33m} Kd5 {(Ba7) -4.65/15
37s} 79. Ka5 {(Rb8) +5.45/16 4:49m} Be1+ {(Nd6) -6.11/16
23s} 80. Ka4 {+5.11/15 0s} Bf2 {-6.11/16 0s} 81. Rb8
{+6.26/17 2:29m} 1-0

Game 44

Caro Kann (Advanced Variation)

Zappa got the exchange for two pawns. The endgame two bishops against rook and two doubled pawns was a draw.

0,5:0,5

Game 45

The shortest decided game in this match. Rybka with a pawn strom and strong attack on the king´s flank.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.13"]
[Round "11"]
[White "Rybka 3 x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B67"]
[Result "1-0"]

1. e4 {0s} c5 {0s} 2. Nf3 {0s} d6 {0s} 3. d4 {0s} cxd4 {0s}
4. Nxd4 {0s} Nf6 {0s} 5. Nc3 {0s} Nc6 {0s} 6. Bg5 {0s} e6
{0s} 7. Qd2 {0s} a6 {0s} 8. O-O-O {0s} Bd7 {0s} 9. f3 {0s}
Be7 {0s} 10. Kb1 {0s} b5 {0s} 11. Nxc6 {0s} Bxc6 {0s}
12. h4 {0s} O-O {0s} 13. Ne2 {0s} Bb7 {0s} 14. g4 {0s} Qc7
{0s} 15. Nd4 {0s} Rfe8 {0s} 16. Bd3 {0s} b4 {0s} 17. Rc1
{0s} d5 {Black last book move 0s} 18. e5 {0s } Nd7
{-0.80/19 9:10m} 19. Bxe7 {0s} Rxe7 {-0.80/19 0s} 20. f4
{White last book move 0s} Qb6 {-0.86/19 7:11m} 21. h5
{+0.69/19 19:54m} a5 {-0.77/19 6:41m} 22. Rhe1 {+0.71/20
12:57m} a4 {-0.85/19 26:48m} 23. f5 {(h6) +1.02/19 18:51m}
exf5 {-0.68/17 3:54m} 24. Bb5 {+1.02/19 1:49m} Nc5
{-0.75/18 5:24m} 25. Qg5 {(gxf5) +1.04/20 11:27m} Rc7
{-1.03/18 5:44m} 26. gxf5 {+1.04/18 0s} h6 {(f6) -1.11/18
3:52m} 27. Qe3 {(Qg1) +2.17/14 1:42m} f6 {(b3) -1.47/17
13:42m} 28. Ne6 {+2.52/15 1:42m} a3 {-3.28/17 12:31m}
29. b3 {+4.08/17 18:03m} Rf8 {(fxe5) -4.01/17 5:54m}
30. Nxf8 {+4.08/15 0s} Qxb5 {-4.01/17 0s} 31. exf6
{+4.08/15 0s} Ne4 {(Kxf8) -5.58/17 5:17m} 32. Ne6 {+6.68/14
8:13m} Qc6 {-6.38/17 2:49m} 33. Nxc7 {+6.26/13 1:32m} 1-0

Match B

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU-- 28,0:17,0

Game 41

Caro Kann (Advance Variation)

Once again. In this subvariation with few book moves. Zappa got under pressure and lost the exchange. Rybka won the endgame with rook and pawns vs. knight and pawns convincingly.

[Event "PC4, 120'/40+0'/0+0'0"]
[Site "PC4"]
[Date "2008.09.12"]
[Round "41"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "B12"]
[Result "1-0"]

1. e4 {3s} c6 {1s} 2. d4 {1s} d5 {0s} 3. e5 {1s} Bf5 {0s}
4. Nf3 {1s} e6 {0s} 5. Be2 {0s} Ne7 {0s } 6. O-O {0s} Nd7
{0s} 7. Nbd2 {1s} h6 {0s} 8. Nb3 {0s} Bh7 {0s} 9. Bd2 {Both
last book move 0s} Nf5 {-0.46/18 3:20m} 10. Rc1 {(Ba5)
+0.34/18 4:46m} Be7 {(a5) -0.40/18 3:15m} 11. c4 {+0.36/19
3:01m} dxc4 {(Nb6) -0.40/19 5:57m} 12. Na5 {+0.43/19 2:22m}
Qc8 {(Rb8) -0.42/18 3:31m} 13. g4 {+0.49/19 3:14m} Nh4
{-0.53/20 3:24m} 14. Nxh4 {+0.50/20 1:42m} Bxh4 {-0.49/20
4:54m} 15. Nxc4 {+0.50/20 1:50m} Be7 {-0.52/20 7:55m}
16. Qb3 {(Ba5) +0.50/20 10:15m} O-O {-0.48/19 6:32m}
17. Bb4 {(a3) +0.47/20 4:25m} Bxb4 {-0.51/19 3:13m}
18. Qxb4 {+0.47/19 0s} Nb6 {-0.36/19 2:25m} 19. Nd6
{+0.49/20 3:04m} Qc7 {(Qd7) -0.41/19 8:36m} 20. Bf3 {(f4)
+0.40/19 9:11m} Qe7 {-0.31/17 2:39m} 21. Rc3 {+0.43/19
2:59m} f5 {(f6) -0.39/18 5:20m} 22. gxf5 {(Qb3) +0.46/19
3:32m} Rxf5 {-0.39/18 2:56m} 23. Bg2 {+0.28/20 13:52m} Rf4
{-0.43/18 3:08m} 24. Rb3 {+0.38/20 11:42m} Kh8 {(Bc2)
-0.48/18 3:04m} 25. Qa3 {(Qc3) +0.64/19 5:02m} Rff8
{-0.52/19 5:12m} 26. Qc5 {(f4) +0.64/18 1:22m} Qd7 {(Na4)
-0.57/18 7:30m } 27. f4 {(Bh3) +0.68/18 1:37m} Qe7 {(Bf5)
-0.66/18 3:36m} 28. Kh1 {+0.68/18 8:12m} Qh4 {(Bg6)
-0.67/18 2:09m} 29. Qc1 {(Rh3) +0.46/17 1:53m} Rab8 {(Rad8)
-0.64/18 3:43m} 30. Qd2 {(a4) +0.45/17 4:41m} Qe7 {-0.49/19
4:53m} 31. Qa5 {+0.35/18 2:52m} Nc8 {-0.40/19 2:36m}
32. Ne4 {(Nxc8) +0.35/18 47s} Nb6 {-0.40/18 1:43m} 33. Nc5
{(Nd6) +0.34/18 1:15m} Ra8 {-0.41/17 1:53m} 34. Qc3 {(Rg1)
+0.28/19 6:15m} Bf5 {(Rab8) -0.19/15 1:31m} 35. Ne4 {(Rb4)
+0.38/19 3:46m} Bxe4 {-0.46/17 2:20m} 36. Bxe4 {+0.38/17
0s} Rad8 {(Qh4) -0.60/18 4:02m} 37. Bb1 {+0.98/17 1:29m}
Nd5 {-1.01/17 2:22m} 38. Qd3 {+0.98/15 0s} Rf5 {-1.00/19
1:13m} 39. Qg3 {+0.98/15 0s} Rdf8 {-1.08/19 1:06m} 40. Bxf5
{(Qg6) +0.97/20 4:15m} Rxf5 {-0.99/20 53s} 41. Rbf3
{+0.96/21 6:34m} Kh7 {-0.99/20 2:38m} 42. a3 {(Qg4)
+0.95/21 12:25m} Qf7 {(Qf8) -0.95/20 2:49m} 43. Qf2 {(Qg4)
+0.96/19 3:37m} Kh8 {-0.95/22 3:07m} 44. Qh4 {(Kg1)
+0.94/21 9:53m} Kg8 {(a6) -0.95/21 3:48m} 45. Rg1 {(h3)
+1.18/20 14:01m} Rxf4 {-0.81/21 4:36m} 46. Rxf4 {+1.34/22
2:49m} Nxf4 {-0.81/22 4:36m} 47. Qf6 {+1.39/24 1:54m} Qxf6
{-0.85/22 4:38m} 48. exf6 {+1.41/25 2:43m} g5 {(g6)
-0.94/23 3:03m} 49. Rg3 {+1.59/24 1:01m} Kf7 {-1.00/23
4:58m} 50. Rb3 {+1.59/22 0s} b6 {-1.06/23 2:29m} 51. Rc3
{+1.59/21 0s} Kxf6 {-1.11/23 3:19m} 52. Rxc6 {+1.59/21 0s}
h5 {(Nd5) -1.15/23 4:15m} 53. Rc7 {+1.82/23 1:23m} a5
{-1.15/22 0s} 54. Rc6 {+2.42/25 15:29m} Nd5 {-1.15/21 0s}
55. Kg2 {+2.42/24 0s} Ke7 {-1.32/22 3:21m} 56. Kf3
{+2.42/23 0s} Kd7 {-1.72/22 3:03m} 57. Rc1 {+2.42/22 0s}
Ke7 {-1.72/22 2:36m} 58. Rc8 {+2.42/21 0s} Kf6 {(Kf7)
-1.75/22 3:21m} 59. Rh8 {+2.60/26 6:08m} Kg6 {-1.86/22
3:27m} 60. Ke4 {+2.60/24 0s} Kg7 {-1.86/22 0s} 61. Ra8
{(Rc8) +2.60/25 1:17m} Kf6 {-1.89/22 2:39m} 62. Rg8 {(Rd8)
+2.69/25 1:37m} h4 {-2.01/22 5:24m} 63. a4 {(Rc8) +2.79/25
1:20m} h3 {(Ne7) -2.72/21 7:08m} 64. Rh8 {(Rb8) +3.47/26
5:26m} Nf4 {-2.72/23 3:22m} 65. Kf3 {(Rf8+) +3.87/26
11:05m} Nd5 {(Kg7) -3.54/22 5:52m} 66. Rxh3 {+4.16/24 0s}
Nf4 {(Kf5) -5.76/23 12:53m} 67. Rh7 {(Rh8) +5.12/21 2:48m}
Nd3 {-6.08/20 4:29m} 68. b3 {+5.12/20 46s} 1-0

Game 42:

Ruy Lopez (closed)

A Spanish were both engines are out of book after move 10. Something new. Rybka did not evaluate the endgame correctly. Not so new :-).

0,5:0,5

Game 43

Italian Game (Giuoco Piano)

http://en.wikipedia.org/wiki/Giuoco_Piano

A bit surprising. Closed pawn structure and not a lot happened until Zappa with 31..c5 and later h5 started to push it´s kingside pawns, opening the g-file and getting the upper hand.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match own books"]
[Date "2008.09.13"]
[Round "43"]
[White "Rybka 3 Human x64 4CPU"]
[Black "Zappa Mexico II x64 4CPU"]
[ECO "C54"]
[Result "0-1"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nc6 {0s } 3. Bc4 {0s} Bc5
{0s} 4. c3 {0s} Nf6 {0s} 5. d3 {0s} d6 {0s} 6. O-O {0s} O-O
{0s} 7. Bb3 {0s} a6 {0s } 8. Nbd2 {0s} Ba7 {0s} 9. h3 {0s}
h6 {0s} 10. Re1 {0s} Be6 {Black last book move 0s} 11. Nc4
{0s} Re8 {-0.04/19 17:29m} 12. Be3 {White last book move
0s} b5 {+0.12/20 5:32m} 13. Ncd2 {+0.06/20 8:24m} Bxe3
{+0.07/20 6:51m} 14. Rxe3 {+0.06/21 4:51m} Bd7 {+0.09/20
30:02m} 15. d4 {+0.06/20 10:03m} Na5 {+0.04/19 5:52m}
16. Qc2 {(Sf1) +0.08/19 7:41m} Qe7 {+0.15/18 7:52m} 17. Rd1
{+0.06/18 2:27m} Rac8 {(Sxb3) +0.12/18 2:39m} 18. Nf1
{(dxe5) +0.14/19 4:00m} c5 {(Sxb3) +0.02/18 1:56m} 19. dxe5
{+0.19/21 7:33m} dxe5 {+0.02/17 0s} 20. Bd5 {+0.19/22
3:35m} Nxd5 {0.00/19 3:32m} 21. exd5 {+0.17/22 4:17m} Nc4
{-0.06/19 2:52m} 22. Re2 {+0.15/22 4:22m} e4 {-0.13/18
2:59m} 23. N3d2 {+0.19/21 4:48m} Nxd2 {(Sd6) -0.11/18
1:35m} 24. Nxd2 {+0.26/20 13:24m} f5 {-0.11/18 2:15m}
25. c4 {+0.26/19 1:15m} Qd6 {(Df6) -0.07/17 2:04m} 26. Qc3
{(Te3) +0.29/18 3:41m} b4 {(Tcd8) -0.04/18 1:41m} 27. Qg3
{(Dc2) +0.39/20 2:37m} Qf6 {0.00/17 1:11m} 28. Rde1
{+0.35/20 1:21m} a5 {0.00/18 1:29m} 29. Qf4 {+0.34/20
4:49m} a4 {-0.04/18 1:51m} 30. Nf1 {(g4) +0.34/20 8:33m}
Re7 {(g5) +0.09/16 1:32m} 31. Ng3 {+0.33/18 2:17m} g5
{(Tf7) +0.14/18 1:23m} 32. Qd2 {+0.25/18 2:16m} Qd6 {(Tce8)
+0.15/18 2:31m} 33. Qc2 {+0.25/19 1:33m} Rb8 {(Tce8)
+0.16/18 3:10m} 34. Re3 {+0.20/19 6:14m} Qg6 {(Df6)
+0.17/17 58s} 35. Qd1 {+0.14/19 3:58m } Kf8 {+0.37/17
2:32m} 36. R3e2 {(f3) +0.14/18 1:09m} b3 {+0.42/17 50s}
37. a3 {+0.06/18 1:44m} Rbe8 {+0.42/16 0s} 38. Qb1 {(Dd2)
0.00/19 1:06m} Kf7 {(Kg8) +0.45/18 57s} 39. Kh2 {(Kh1)
0.00/19 52s} h5 {(Da6) +0.61/19 1:26m} 40. Kg1 {0.00/16
1:00m} h4 {+0.66/19 1:18m} 41. Nf1 {-0.59/19 4:39m} g4
{+0.69/21 4:25m} 42. hxg4 {-0.67/20 7:19m} Qxg4 {+0.69/20
0s} 43. Nh2 {-0.73/20 13:47m} Qg5 {+0.85/20 3:14m} 44. Kh1
{-0.88/20 14:31m} Rg8 {(f4) +1.12/20 4:15m} 45. Rg1
{-0.65/19 25:33m} Ree8 {+1.20/20 4:51m} 46. Qd1 {(De1)
-1.51/18 17:22m} f4 {+1.67/19 6:06m} 47. Qd2 {(Td2)
-1.43/18 7:30m} Bf5 {+1.73/18 0s} 48. d6 {-1.43/17 30s} Bd7
{(Lh3) +2.20/19 4:20m} 49. Qd5+ {(f3) -2.25/14 57s} Qxd5
{+3.03/19 3:18m} 50. cxd5 {-2.35/14 0s} Rg5 {(Lb5) +3.03/19
0s } 51. Rd1 {-2.91/17 1:17m} Kf6 {(h3) +3.66/19 4:20m}
52. Ree1 {-2.80/17 1:03m} h3 {+4.91/20 6:20m} 53. g4
{-3.51/19 8:15m} fxg3 {+4.91/19 0s} 54. fxg3 {-4.30/19
5:37m} Rxg3 {+4.91/19 0s} 55. Re2 {(Sf1) -3.90/18 3:49m}
Rd3 {+4.91/10 0s} 56. Rg1 {(Tf1+) -4.58/17 2:08m} Ke5
{+4.47/11 0s } 57. Nf1 {-4.73/17 54s} Kxd5 {+4.47/11 0s }
58. Kh2 {(Se3+) -4.91/17 1:33m} Kxd6 {+4.47/11 0s} 59. Ne3
{-4.92/17 1:07m} Ke5 {+7.07/19 3:54m} 0-1

Game 44

Sicilian (B35)

A long fought endgame (116 moves) with rooks, knight and pawns each. Nothing too exciting.

0,5:0,5

Game 45

Sicilian Najdorf 6.Be3

Here Rybka got a lot of activity with it´s pieces, also along the d-file and finally a passed c-pawn.

[Event "CEGT Quad 40/120 repeated"]
[Site "Engine Match"]
[Date "2008.08.25"]
[Round "25"]
[White "Rybka 3 x64 4CPU"]
[Black "HIARCS 12 ShPV 4CPU"]
[ECO "B67"]
[Result "1-0"]

1. e4 {Black last book move 1s} c5 {+0.01/1 1s} 2. Nf3 {1s}
d6 {+0.01/1 0s} 3. d4 {0s} cxd4 {+0.01/1 0s} 4. Nxd4 {0s}
Nf6 {+0.01/1 0s} 5. Nc3 {0s} a6 {+0.01/1 0s} 6. Bg5 {0s} e6
{+0.01/1 0s} 7. f4 {0s} Qc7 {+0.01/1 0s} 8. Bxf6 {0s} gxf6
{+0.01/1 0s} 9. Qd2 {0s} Nc6 {+0.01/1 0s} 10. O-O-O {0s}
Bd7 {+0.01/1 0s} 11. Kb1 {0s} b5 {+0.01/1 0s} 12. Nxc6 {0s}
Bxc6 {-0.51/18 3:13m} 13. Bd3 {White last book move 0s} Bg7
{-0.50/18 4:37m} 14. f5 {(g4) +0.70/19 13:50m} Bb7 {(0-0)
-0.53/17 4:06m} 15. Bxb5+ {(Ne2) +0.83/18 11:16m} axb5
{-1.10/19 1:55m} 16. Nxb5 {+0.83/17 0s} Qb6 {(Qe7) -1.07/19
3:57m} 17. Nxd6+ {+0.92/18 4:06m} Kf8 {-1.07/20 3:58m}
18. Rhf1 {(Nxb7) +0.87/18 3:54m} Rb8 {(Bd5) -0.96/18
10:28m} 19. fxe6 {(Qc3) +1.15/17 3:32m} Bc8 {-0.87/19
18:39m} 20. b3 {+1.15/18 4:12m} Bxe6 {-1.34/20 9:13m}
21. e5 {+1.14/19 3:33m} h5 {(f5) -1.35/19 2:46m} 22. exf6
{+1.52/19 2:42m} Bh6 {-1.35/18 1:23m} 23. Qe1 {+1.45/20
6:58m} Ra8 {(Rg8) -1.33/17 2:20m} 24. Qe4 {+2.55/17 1:38m}
Qa6 {-2.14/18 3:57m} 25. a4 {+3.56/17 2:40m} Kg8 {-2.67/20
5:09m} 26. Rf3 {+3.56/16 0s} Rh7 {-3.13/20 5:24m} 27. Nf5
{+3.56/15 0s} Bxf5 {-3.46/20 5:43m} 28. Rxf5 {+3.56/14 0s}
Rf8 {-4.38/21 7:08m} 29. Qe7 {+3.56/13 0s} Qe6 {-4.67/20
2:12m} 30. Rxh5 {+6.77/16 12:55m} Bg7 {-9.99/20 11:07m}
31. Qxe6 {+7.05/16 13:30m} fxe6 {-6.08/17 9s} 32. Rxh7
{+6.71/15 1:54m} 1-0

Website update with 100 games totally will come this evening. Last games are in progress. The tests with generic set have been updated (now 300 games and continuing).

http://cegt.foren-city.de/topic,97,-r3-and-r3-human-vs-zappa-own-books.html

Updated it the CEGT 40/20 rating list.

http://www.husvankempen.de/nunn/40_40%20Rating%20List/40_40%20All%20Versions/rangliste.html

and also the Blitz rating list

http://www.husvankempen.de/nunn/blitz.htm

Kind Regards
Heinz

By Heinz van Kempen (***)

Date 2008-09-14 20:30 Edited 2008-09-14 20:33

Hi all :-),

the website is now updated with all 100 games Rybka 3 and Rybka 3 Human against Zappa Mexico II:

http://www.husvankempen.de/nunn/Replay/download40120.htm

http://www.husvankempen.de/nunn/Replay/rybka3ownbooks.htm

We got exactly the same results for the two versions:

Rybka 3 x64 4CPU vs. Zappa Mexico II x64 4CPU -- 31,5:18,5

Rybka 3 Human x64 4CPU vs. Zappa Mexico II x64 4CPU -- 31,5:18,5

It is hardly possible to run more games here because already now lines are repeating constantly with books set to optimize and not setting to optimize will surely give sometimes weird and dubious variations.

This games and also the 50 games against Hiarcs 12 run previously will not go to any CEGT rating list, which are still based on short generic books or sets. Here currently tests for Rybka 3 x64 4CPU and 40/120 repeated against six top opponents are continuing and will be pushed to 600 games (currently a bit more than 300) over the next weeks and months. I am reporting here every Sunday in the CEGT Forum.

Tomorrow or on Tuesday I will inform about 12 Rybka games with long time controls in the Cochrane Gambit (4.Nxf7) in the Petroff.

Kind Regards
Heinz

Topic Rybka Support & Discussion / Rybka Discussion / CEGT 40/120 R3 x64 4CPU vs. Zappa Mexico II x64 4CPU own b.