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Up Topic Rybka Support & Discussion / Rybka Discussion / Rybka in pawn endgame
- By Vasik Rajlich (Silver) [hu] Date 2007-01-09 14:10
willow wrote:

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[Event "Rated game, 16m + 0s"]
[Site "Engine Room"]
[Date "2007.01.08"]
[Round "?"]
[White "Willow, Rybka 2.2n2 mp "]
[Black "YAE, HIARCS 11 MP UCI."]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2615"]
[Annotator "0.20;0.41"]
[PlyCount "158"]
[EventDate "2007.01.08"]
[TimeControl "960"]

{HIARCS 11 MP UCI: 15.2 ply; 715kN/s AMD Athlon(tm) 64 X2 Dual Core Processor
3800+ 2400MHz, (2 threads)} 1. e4 {B/0 0} c5 {-0.01/1 0} 2. Nf3 {B/0 0} e6 {
-0.01/1 0} 3. d4 {B/0 0} cxd4 {-0.01/1 0} 4. Nxd4 {B/0 0} Nf6 {-0.01/1 0} 5.
Nc3 {B/0 0} d6 {-0.01/1 0} 6. g4 {B/0 0} h6 {-0.01/1 0} 7. h4 {B/0 0} Nc6 {
-0.01/1 0} 8. Rg1 {B/0 0} h5 {-0.01/1 0} 9. gxh5 {B/0 0} Nxh5 {-0.01/1 0} 10.
Bg5 {B/0 0} Nf6 {-0.01/1 0} 11. Qd2 {B/0 0} Qb6 {-0.01/1 0} 12. Nb3 {B/0 0} Bd7
{-0.01/1 0} 13. O-O-O {B/0 0} a6 {-0.01/1 0} 14. Rg3 {B/0 0} Qc7 {-0.01/1 0}
15. Be2 {B/0 0} b5 {0.41/14 32} 16. a3 {B/0 0} Ne5 {0.38/14 42} 17. Nd4 {
(Kc1-b1) 0.20/13 36} Nc4 {0.15/13 38} 18. Qe1 {(Dd2-d3) 0.15/15 3} Qb7 {
(Nh7) 0.14/13 43} 19. Bf3 {(f2-f4) 0.16/12 27} e5 {(Ne5) 0.00/14 46} 20. Nb3 {
0.22/14 28} Be7 {0.25/15 53} 21. h5 {(Lg5xf6) 0.21/15 23} Be6 {0.00/13 27} 22.
Bxf6 {(De1-e2) 0.21/15 25} Bxf6 {0.07/15 29} 23. Nd5 {0.13/16 22} Bxd5 {
0.28/14 0} 24. Rxd5 {0.16/15 10} Rc8 {(Qb6) 0.34/14 43} 25. Be2 {
(Lf3-g4) 0.24/15 35} Qb6 {0.39/13 26} 26. Nd2 {0.23/15 6} Rc6 {(Ke7) 0.30/13 19
} 27. Nxc4 {0.21/14 53} bxc4 {0.44/15 0} 28. Rc3 {(De1-f1) 0.40/15 17} Ke7 {
0.34/14 28} 29. Rxc4 {0.44/17 17} Rxc4 {0.26/15 0} 30. Bxc4 {0.49/15 6} Rxh5 {
0.40/14 10} 31. Rd3 {(Kc1-b1) 0.47/16 12} Rh2 {0.39/14 26} 32. Kb1 {
(Td3-b3) 0.72/16 15} Qc5 {0.72/14 37} 33. Bb3 {(De1-c3) 0.80/18 86} Qb6 {
(Rxf2) 1.01/16 79} 34. Rf3 {(Td3-c3) 0.90/15 21} a5 {(Rh8) 1.07/15 23} 35. Qf1
{1.21/15 13} Rh8 {(Kf8) 1.11/14 0} 36. Qc4 {(Tf3-c3) 1.53/17 17} Rf8 {
1.64/16 20} 37. Qd5 {1.61/18 24} Qa7 {(Qd8) 1.75/16 0} 38. Rd3 {
(Tf3-c3) 1.97/17 21} Qd7 {1.92/15 10} 39. Rc3 {(Lb3-a4) 2.10/17 2} Bg5 {
(Bh4) 2.91/16 47} 40. Rc6 {2.27/16 16} a4 {2.91/15 0} 41. Bc4 {
(Lb3xa4) 2.42/16 7} Qd8 {3.11/14 8} 42. Ra6 {2.72/17 1} Qc7 {(Qb8) 3.18/15 12}
43. Rxa4 {2.83/17 5} Qc5 {3.38/15 13} 44. Qb7+ {3.28/19 11} Kf6 {3.54/17 0} 45.
Ra8 {3.28/18 8} Qxc4 {3.68/16 16} 46. Rxf8 {3.57/18 2} Bh4 {(Kg6) 3.70/15 6}
47. b3 {(Tf8-dCool 3.59/14 3} Qe6 {4.21/15 9} 48. f3 {3.97/16 1} Bf2 {
(g6) 4.25/14 4} 49. Rd8 {(Db7-c7) 4.49/14 8} Kg5 {4.59/14 11} 50. Qd5 {
(Db7-d7) 4.49/16 5} Qxd5 {3.44/15 8} 51. exd5 {4.49/16 6} Kf4 {(Bg3) 3.12/16 0}
52. Rxd6 {4.49/15 10} Kxf3 {3.91/17 29} 53. Rd7 {4.50/17 22} f5 {(f6) 3.92/17 0
} 54. Rf7 {(d5-d6) 5.71/16 10} f4 {3.00/14 7} 55. d6 {4.65/16 3} e4 {2.84/14 5}
56. Re7 {2.57/16 2} Bc5 {(Bh4) 0.35/14 2} 57. Re6 {5.38/17 2} Bxd6 {
(Bf2) -1.10/14 0} 58. Rxd6 {5.71/14 2} e3 {-1.90/17 17} 59. c4 {-1.17/21 24}
Ke2 {-1.71/19 0} 60. c5 {(Kb1-c2) 0.00/24 12} f3 {-1.59/18 5} 61. Kc2 {
0.00/23 2} f2 {-1.59/17 0} 62. Rd1 {-0.29/23 9} Kf3 {-1.83/17 0} 63. c6 {
0.00/22 11} e2 {-1.89/16 0} 64. Rd3+ {-0.20/23 27} Kg2 {-1.62/16 0} 65. c7 {
-0.20/22 6} f1=Q {-1.62/16 0} 66. c8=Q {-0.20/20 40} e1=N+ {-1.73/15 0} 67. Kd2
{-3.22/16 6} Qf2+ {-1.72/14 0} 68. Kd1 {-3.96/20 29} Nxd3 {-1.73/15 0} 69. Qc3
{-4.05/14 3} Qg3 {-2.00/12 0} 70. a4 {(b3-b4) -4.12/16 9} g5 {-1.96/11 6} 71.
a5 {(Kd1-d2) -4.40/15 7} Qd6 {-2.66/11 5} 72. Qc2+ {(Dc3-d2+) -4.85/14 0} Nf2+
{-4.57/12 4} 73. Kc1 {-5.16/15 1} Qa3+ {(g4) -4.53/12 0} 74. Kb1 {-4.32/14 1}
Qxa5 {-4.74/12 0} 75. Qc6+ {-5.09/14 10} Kg1 {-5.45/14 0} 76. Qc1+ {-5.52/13 3}
Kh2 {-5.95/13 0} 77. Qc2 {-8.88/15 2} Qe1+ {-6.77/12 0} 78. Ka2 {-10.02/15 1}
g4 {-7.25/12 0} 79. b4 {(Ka2-b2) -14.11/16 14} g3 {(Qxb4) Willow,Rybka 2.2n2
mp resigns (Lag: Av=0.76s, max=6.5s) -8.00/11 4} 0-1

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This will require some very specialized endgame work.

As a first step, the scores around move 50 or so should be toned down. The rook vs pawns endgame has too much uncertainty for such huge scores.

Vas
Up Topic Rybka Support & Discussion / Rybka Discussion / Rybka in pawn endgame

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