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Up Topic The Rybka Lounge / Computer Chess / CCC and TCEC
- By MrKris (**) Date 2019-04-14 20:53
Lc0 won the CCC 7 Blitz Bonanza Final (over 2x the GPU's as at TCEC).
A screenshot of the crosstable is here:
https://i.imgur.com/aSWCYYg.png
(From: https://www.reddit.com/r/ComputerChess/comments/bcr7el/leela_wins_ccc7_blitz_bonanza/ )

CCC pgn downloads:
https://www.chess.com/news/view/ccc-pgn-archive
CCC 1 through the current CCC 8.
_ _ _

TCEC at https://tcec.chessdom.com/live.html
The 'Archive' tab at the top is now working (it was going to the Legacy version).

Early on, Stockfish is leading the TCEC 15 Premier.
Komodo drew all its first 14 games and is a half point behind its MCTS version (0-Sf, 1-Et & 1-Fi) which is tied with Houdini.

1) 9.0/14 Stockfish 19040612 (15th game Ko 0-1 Sf, Giuoco Pianissimo)
2) 8.5/14 LCZero v0.21.1-n41800
3) 7.5/14 Houdini 6.03
4) 7.5/14 KomodoMCTS 2306.00
5) 7.0/14 Komodo 2306.00
6) 6.5/14 AllieStein v0.3dev-n6.1
7) 5.5/14 Ethereal 11.38
8) 4.5/14 Fire 011819

AllieStien as black could not defend its king vs. Stockfish.
https://cd.tcecbeta.club/archive.html?season=15&div=p&game=53

[Event "TCEC Season 15 - Div. P."]
[Site ""]
[Date "2019.04.14"]
[Round "14.1"]
[White "Stockfish 19040612"]
[Black "AllieStein v0.3dev-n6.1"]
[Result "1-0"]
[ECO "A56"]
[Opening "Benoni"]
[Variation "3.d5 d6"]
[TimeControl "5400+5"]
[Termination "normal"]
[PlyCount "110"]
[WhiteType "human"]
[BlackType "human"]
[FEN "8/2r2p1k/1q1p4/1P1Pn1p1/R2NPn2/5P2/7P/Q4B1K w - - 0 42"]

42. h4 Rc2 {??} (42. .. Kg6 {TCEC
Stockfish 176th analyzer +1.02} 43. Ra8 f6 44. h5+ Kh7 45. Qa5 Qxa5 46. Rxa5 Rc1 47.
Kg1 Rb1 {etc.}) 43. Qe1 {Stockfish TCEC, playing +4.69} Nfd3 44. Bxd3 Nxd3 45. Qe3
Nf2+ 46. Kg1 Nh3+ 47. Kf1 Rf2+ 48. Ke1 Qc5 49. e5 Rb2 50. Qe4+ Kh6 51. Nf5+
Kh7 52. Nxd6+ Kg7 53. Nf5+ Kh7 54. Ng3+ Kg8 55. Ra8+ Qf8 1-0


After 42.h4 I noticed that Spike had a big advantage for white, but here its 57.Qf2?? lost to Stockfish @ G/18'+3", amdphIIx6.

[Event "St 1-0 Al, Rd 14.1"]
[Site "from TCEC 15P"]
[Date "2019.04.14"]
[Round "?"]
[White "Spike 1.4 Feb.2011"]
[Black "Stockfish_19041019"]
[Result "0-1"]
[BlackElo "2200"]
[Time "10:38:54"]
[WhiteElo "2200"]
[TimeControl "1080+3"]
[SetUp "1"]
[FEN "8/2r2p1k/1q1p4/1P1Pn1p1/R2NPn2/5P2/7P/Q4B1K w - - 0 42"]
[Termination "unterminated"]
[PlyCount "107"]
[WhiteType "program"]
[BlackType "program"]

42. h4 Kg6 {-1.18/32 105} 43. Ra3 {+2.55/23 84} Qc5 {-0.61/27 27} 44. hxg5
{+1.75/22 59} Rc8 {-0.48/30 22} 45. Ra2 {+1.53/25 101} Kxg5 {0.00/34 20}
46. Bg2 {+1.45/23 76} Kg6 {0.00/33 21} 47. Kh2 {+0.75/22 35} Qb6 {0.00/31
26} 48. Bh3 {+0.60/26 74} Rh8 {0.00/37 28} 49. Rg2+ {+0.60/26 59} Kf6
{+0.38/39 50} 50. Rg3 {0.00/27 22} Qc5 {0.00/40 40} 51. Qb2 {0.00/28 20}
Ned3 {0.00/43 30} 52. Qa1 {0.00/31 31} Ne5 {0.00/41 19} 53. Qb2 {0.00/31
20} Qc8 {0.00/42 23} 54. Nf5 {0.00/26 23} Rh5 {0.00/42 37} 55. Qf2 {0.00/27
21} Qh8 {+3.42/27 18 Sf eval. probably a glich} 56. Qf1 {0.00/25 60} Qa8
{+0.80/29 101} 57. Qf2 {0.00/26 16 ??} (57. Nxd6 {Stockfish} Qa2+ 58. Kh1
Rh8 59. b6 Ned3 60. e5+ Ke7 61. Ne4 Qxd5 62. b7 Qxe5 63. b8=Q Rxb8 64. Qg1
Rb7 {bk. +0.23 =+ or =}) 57. .. Qa3 {+3.91/27 13} 58. Ng7 {-1.90/21 26} Rh7
{+5.09/30 21} 59. b6 {-2.67/25 48} Nxh3 {+6.52/34 14} 60. Rxh3 {-2.78/26
49} Nxf3+ {+7.00/36 15} 61. Kg3 {-2.79/26 39} Rxh3+ {+8.61/32 16} 62. Kxh3
{-2.75/26 15} Kxg7 {+9.38/33 16} 63. b7 {-2.75/25 19} Ne5+ {+10.34/31 13}
64. Kg2 {-2.82/25 57} Qb4 {+13.17/31 23} 65. Qa7 {-2.78/25 36} Qxe4+
{+14.97/29 14} 66. Kf1 {-2.78/22 9} Qc4+ {+16.28/30 21} 67. Ke1 {-2.79/24
14} Qc1+ {+149.37/49 13} 68. Kf2 {-2.79/22 8} Qd2+ {+24.66/35 75} 69. Kf1
{-2.79/23 8} Qd1+ {+149.40/37 7} 70. Kf2 {-2.77/19 13} Nd3+ {+149.41/53 12}
71. Kg3 {-2.62/22 10} Qe1+ {+149.42/58 9} 72. Kg2 {-2.69/22 8} Qe4+
{+149.43/59 10} 73. Kh2 {-2.58/21 12} Qh4+ {+149.52/62 12} 74. Kg1
{-2.58/21 8} Qg3+ {+149.55/60 9} 75. Kf1 {-2.62/21 11} Qf3+ {+149.56/63 10}
76. Kg1 {-2.58/23 11} Nf4 {+149.57/58 9} 77. Qa1+ {-2.77/23 17} f6
{+149.58/61 12} 78. Qa2 {-2.78/19 6} Ne2+ {+149.59/59 9} 79. Qxe2 {-2.91/23
18} Qxe2 {+149.60/56 35} 80. b8=Q {-2.88/19 6} Qd1+ {+149.61/55 12} 81. Kf2
{-2.91/21 9} Qxd5 {+149.62/52 8} 82. Qd8 {-3.07/20 9} Qe5 {+149.62/35 48}
83. Qd7+ {-3.17/21 6} Kg6 {+149.62/35 15} 84. Qg4+ {-3.24/22 6} Qg5
{+149.62/35 15} 85. Qa4 {-3.28/22 8} Qe5 {+149.62/35 15} 86. Qg4+ {0.00/43
5} Qg5 {+149.62/34 24} 87. Qa4 {0.00/10} d5 {+149.62/30 16} 88. Qe8+
{-3.33/18 5} Kg7 {+149.62/36 18} 89. Qd7+ {-3.35/18 6} Kh6 {+149.62/34 20}
90. Qh3+ {-3.53/19 7} Kg6 {+149.62/29 6} 91. Qh8 {-3.77/21 6} Qe5
{+149.62/29 5} 92. Qg8+ {-4.96/22 37} Kh5 {+149.62/30 6} 93. Qg7 {-6.22/21
6} d4 {+M64/35 6} 94. Qf7+ {-16.47/21 24} Kg4 {+M31/41 11} 95. Qg8+
{-21.55/24 3  User Adjudication} 0-1
- By MrKris (**) Date 2019-04-17 18:59
TCEC Season 15 Premier https://tcec.chessdom.com/

Still a long way to go but Stockfish has an amazing 70% vs. the other 'Premiers'.

KomodoMCTS is just above 50% while Komodo has yet to win a game. (Below @ 20 each.)

1 14.0/20 Stockfish 19040612 {=12 +8}
2 12.0/20 LCZero v0.21.1-n41800
3 10.5/20 KomodoMCTS 2306.00 {=17 +2 -1}
4 10.0/20 Houdini 6.03
5. 9.5/20 AllieStein v0.3dev-n6.1
6. 9.5/20 Komodo 2306.00 {=19 -1}
7. 7.5/20 Fire 011819
8. 7.0/20 Ethereal 11.38

Just some numbers from the TCEC archive:
Stockfish 19040612 - LCZero v0.21.1-n41800, Rd. 20.1
https://cd.tcecbeta.club/archive.html?season=15&div=p&game=77
9.Bd3 {52 Mnps} b4 {52 knps} 875/1000 = 0.88 ; 1st after book, 1p each exchanged
14.Rd1 {56 Mnps} O-O {48 knps} 875/1167 = 0.75
19.e4 {60 Mnps} Ne5 {49 knps} 875/1224 = 0.71
24.e5 {62 Mnps} Be7 {47 knps} 875/1319 = 0.66
29.Qf3 {66 Mnps} Qxf3 {55 knps} 875/1200 = 0.73
34.Rf1 {69 Mnps} Kg6 {98 knps} 875/704 = 1.24 ; wh: R+B+6p bk: R+B+4p
37.Bc3 {68 Mnps} Kf5 {84 knps} 875/810 = 1.08 , 1/2-1/2.

Fire 011819 1-0 AllieStein v0.3dev-n6.1 , game 80
https://cd.tcecbeta.club/archive.html?season=15&div=p&game=80
After 39.Rxb4 {0.00} axb4 {-0.81}
8/5pk1/3pp1p1/2n1b1q1/1p2P1P1/1P2PB1p/P3Q2P/2R3K1 w - - 0 40

With a few minor exceptions Fire maintained its 0.00 evaluation for the next 150 moves, meanwhile AllieSteins was -0.65 to -2.67 mostly near -2.00, declining only starting with 179...Kxg4, perhaps since early in the game over valuing its h-pawn.

[Event "Premier, game 80"]
[Site "TCEC Season 15"]
[Date "2019.04.17"]
[Round "?"]
[White "Fire 011819"]
[Black "AllieStein v0.3dev-n6.1"]
[Result "1-0"]
[BlackElo "2000"]
[Time "10:45:23"]
[WhiteElo "2000"]
[TimeControl "5400+5"]
[SetUp "1"]
[FEN "8/8/q3ppp1/4b1k1/1p2p1P1/1P2P2p/P4Q1P/4R2K w - - 92 179"]
[Termination "normal"]
[PlyCount "0"]
[WhiteType "program"]
[BlackType "program"]

179. Rc1 {0.00} Kxg4 {-1.50} 180. Qg1+ Kh5 181. Qd1+ Kh4 182. Qe1+ Kg4 183. Qg1+ Kh5
184. Qd1+ Kg5 185. Qg1+ Kh6 186. Qg4 g5 187. Qxh3+ Kg6 188. Qh8 Qd3
189. Qg8+ {0.00} Kf5 {?? -0.26} ( 189...Kh6 {Fire's TCEC PV} 190. Qf8+ Kg6 191. Qe8+ Kg7 192. Qxe6 Qxe3 193. Qe7+ Kg6 )
190. Qh7+ {4.70} Kg4 {0.58, immediately dropping to some white advantage - the 1st time since move 23} 191. Rg1+ {4.88} Kf3 {1.88} 192. Qh3+ {5.06} Kf2 {2.51} 193. Qg2+ {5.39} Kxe3 {5.41, finally fully realizing the point}
194. Re1+ Kd4 195. Qg1+ Kc3 196. Re3 Bf4 197. Qc1+ Kd4 198. Rxd3+ exd3
199. Qc4+ Ke3 200. Qxe6+ Kf2 201. Qb6+ Ke2 202. Qb5 Ke3 203. Kg2 d2
204. Qd5 g4 205. Qd7 f5 206. Qe6+ Kd4 207. Qxf5 d1=Q 208. Qd7+ Bd6
209. Qxd6+ Ke4 210. Qxd1 g3 211. hxg3 Kf5 212. Qd6 Ke4 213. Kf2 Kf5
214. Kf3 Kg5 1-0
- By MrKris (**) Date 2019-04-19 02:59
TCEC Season 15 Premier https://tcec.chessdom.com/

It is over half done, until 42 games each.

KomodoMCTS is a half point ahead of Houdini while Komodo is a half point behind.

Stockfish - KomodoMCTS in progress, both Bluefish and Redfish have 0.00 for the past few moves
35.Kc1 {0.26} Qg5+ {0.48}
6k1/p4p2/5P2/1p4q1/8/2P5/PP4P1/2K4Q w - - 2 36
Rank Engine  
# Games  Points  Crashes  Wins [W/B]  Loss [W/B]  SB  Elo  Diff [Live]

1 Stockfish 19040612
  23   16   0   9 [7/2]   0 [0/0]   168.50   3603   36 [3639]
2 LCZero v0.21.1-n41800
  23   14   0   5 [4/1]   0 [0/0]   151.75   3603   -6 [3597]
3 AllieStein v0.3dev-n6.1
  23   11.5   0   4 [3/1]   4 [0/4]   124.25   3426   72 [3498]
4 KomodoMCTS 2306.00
  23   11.5   0   2 [1/1]   2 [0/2]   126.75   3486   33 [3519]
5 Houdini 6.03
  23   11   0   1 [1/0]   2 [0/2]   123.75   3571   -45 [3526]
6 Komodo 2306.00
  23   10.5   0   0 [0/0]   2 [1/1]   120.00   3561   -43 [3518]
7 Fire 011819
  23   9   0   1 [1/0]   6 [2/4]   102.50   3488   -18 [3470]
8 Ethereal 11.38
  23   8.5   0   0 [0/0]   6 [2/4]   97.50   3483   -28 [3455]
- By MrKris (**) Date 2019-04-19 05:54 Upvotes 1
TCEC 15 Premier
Komodo loses with white and black to Stockfish in the Giuoco Pianissimo, C50
Komodo, with these 2 losses and all its other games draws, is trailing KomodoMCTS.

CorChess here, AMD PhII X6 6-cpu, finds 77. Rd1d2? Be3!! in 28 seconds, but Komodo walks into it at TCEC with 44 cores?!!
27/45+  00:25   177,352k  6,995k  -0.65  77.R1d2
27/49-  00:28   197,096k  7,009k  -1.07  77.R1d2 Be3
27/49-  00:30   213,391k  7,043k  -1.45  77.R1d2 Be3
27/49  00:36   258,598k  7,125k  -1.76  77.R1d2 Be3 78.fxe3 f3 79.Nxf3 Qf6 80.Rf2 Rxg2 81.Rdd2 Bxh3 82.Ke2 Rxf2+ 83.Kxf2 Bg2 84.Qe2 Bh1 85.Qd1 Rg2+ 86.Ke1 Rg3 87.Rf2 Rxf3...

I commonly move my pieces and pawns into double en prise but it does not work out as well. :)
https://cd.tcecbeta.club/archive.html?season=15&div=p&game=57#/
[Event "Premier, game 57"]
[Site "TCEC Season 15"]
[Date "2019.04.18"]
[Round "?"]
[White "Komodo 2306.00"]
[Black "Stockfish 19040612"]
[Result "0-1"]
[Time "21:05:31"]
[TimeControl "0+2700"]
[SetUp "1"]
[FEN "2b5/1p2qprk/6rp/1QbBp3/4Pp2/2PR3P/5PP1/3RNK2 w - - 1 77"]
[Termination "normal"]
[PlyCount "29"]
[WhiteType "program"]
[BlackType "program"]

{'2b5/1p2qprk/6rp/1QbBp3/4Pp2/2PR3P/5PP1/3RNK2 w - - 1 77'} 77. R1d2 {??} (77. Rf3 Bd7 {-1.75 Stockfish TCEC PV}) 77. .. Be3 {!!} 78.
fxe3 (78. Re2 {?} 78. .. Bxh3 79. Rexe3 fxe3 80. Rxe3 Bxg2+ 81. Ke2 Qa3)
(78. Ra2 {?} Bxh3 79. Ke2 (79. gxh3 Rg1+ {Mate in 8} 80. Ke2 Rxe1+ 81. Kxe1
Rg1+ 82. Ke2 f3+ 83. Kxe3 (83. Kxf3 Qf6+ 84. Kxe3 Re1+ 85. Kd2 Qxf2#) 83.
.. Qg5+ 84. Kxf3 Qh5+ 85. Ke3 Re1+ 86. Kd2 Qd1#) 79. .. Bg4+) 78. .. f3
{!!} 79. Nxf3 (79. Rf2 {?!} fxg2+ 80. Kg1 Rg3 81. Rdd2 Qg5 82. Qe2 (82.
Nxg2 Qxe3 83. Qf1 f6 84. c4 Rxh3 85. Bf7 (85. Rb2 {?} Qg3 86. Rf3 Qh2+ 87.
Kf2 Rxf3+ 88. Kxf3 Qg3+ 89. Ke2 Qxg2+ 90. Qf2 Qh3) 85. .. Qg5 86. Rd3 (86.
Bd5 {??} Qh4 {Mate in 3}) 86. .. Rxf7 87. Rff3 Rxf3 88. Qxf3 Bd7) 82. ..
Rxh3 83. Rxg2 Qh4 84. Rxg7+ Kxg7 85. Qg2+ Bg4 86. Rf2 Rg3) 79. .. Qf6 80.
Ke2 {?} (80. Rf2 Rxg2 81. Rdd2 Bxh3 82. Ke2 Rxf2+ 83. Kxf2 Rg2+ 84. Ke1
{Stockfish TCEC PV -3.07} Qxf3) 80. .. Rxg2+ 81. Kd1 Qxf3+ 82. Kc2 Rg1 83.
c4 {?!} (83. Qb2 Bxh3 84. c4 Bf1 85. Rc3 R1g2 86. Kb3 h5 87. Ka4 {Stockfish
TCEC PV -5.82}) 83. .. Ra1 {Stockfish TCEC -7.90} 84. Qb2 Rgg1 85. Ra3 Rae1
86. Rad3 Qf1 87. Qxe5 Rb1 88. Kc3 Qc1+ 89. Kd4 Rb3 90. Bxf7 Qa1+ 91. Kd5
0-1

Everything on the e, f, g & h files is symmetrical, however on the a, b, c & d files..
https://cd.tcecbeta.club/archive.html?season=15&div=p&game=85#/
[Event "Premier, game 85"]
[Site "TCEC Season 15"]
[Date "2019.04.18"]
[Round "?"]
[White "Stockfish 19040612"]
[Black "Komodo 2306.00"]
[Result "1-0"]
[BlackElo "2000"]
[Time "22:20:22"]
[WhiteElo "2000"]
[TimeControl "0+2700"]
[SetUp "1"]
[FEN "3qr1k1/bp1b1pp1/p1rp1nnp/P3p3/1PP1P3/3B1NNP/R4PP1/2BQR1K1 w - - 0 29"]
[Termination "normal"]
[PlyCount "0"]
[WhiteType "program"]
[BlackType "program"]

29. b5 Rc8 30. b6 Bb8 31. Nd2 Be6 32. Ra3 Nf4 33. Bf1 Ng6 34. Qb3 Nf4
35. Qb1 Qd7 36. Bb2 Ng6 37. Rf3 Nh7 38. Rc3 Nh4 39. Bd3 Nf6 40. Qd1 Red8
41. Ra3 Qe7 42. f4 d5 43. exd5 Qb4 44. Rb3 Qc5+ 45. Kh1 Nxd5 46. Nge4 Qxa5
47. cxd5 Bxd5 48. Rc3 Rxc3 49. Bxc3 Qxb6 50. Qg4 Be6 51. Qxh4  Rxd3 
52. Bxe5 Bxe5 {TCEC 1.12} 53. fxe5 {TCEC 1.68, white has 2 knights vs. bishop and passed a & b pawns} a5 54. Nf3 Qd8 55. Qxd8+ Rxd8 56. Nd6 a4 57. Nd4 Bd5
58. Ra1 Ra8 59. Kg1 h5 60. N6b5 Bc4 61. Na3 Bd5 62. Kf2 Ra5 63. Rb1 Be4
64. Rb4 g5 65. g3 h4 66. g4 Bd5 67. Nf5 Be6 68. Nd6 Kg7 69. Ndb5 Bd5
70. Rb2 f6 71. exf6+ Kxf6 72. Ke3 {TCEC 2.80, black could not find a defense} Bb3 73. Rf2+ Kg6 74. Kd4 Ra6 75. Nc4 Kh6
76. Rf3 Rc6 77. Na5 Rb6 78. Kc5 Bd1 79. Re3 Rf6 80. Nc4 Bf3 81. Nbd6 Kh7
82. Nf5 Bc6 83. Ncd6 Kh8 84. Kb4 Bd7 85. Re7 Bxf5 86. Nxf5 Ra6 87. Ka3 b5
88. Re3 Kh7 89. Kb4 Kg6 90. Kxb5 Ra7 91. Kb4 Kf6 92. Nd4 Rd7 93. Nf3 Rd1
94. Re5 Rf1 95. Rf5+ Kg7 96. Rxg5+ Kh6 97. Rf5 1-0
- By MrKris (**) Date 2019-04-21 20:38
https://cd.tcecbeta.club/archive.html?season=15&div=p&game=116#/
[Event "Preimer, game 116"]
[Site "TCEC Season 15"]
[Date "2019.04.21"]
[Round "?"]
[White "AllieStein v0.3dev-n6.1"]
[Black "Ethereal 11.38"]
[Result "1-0"]
[BlackElo "2400"]
[Time "13:17:31"]
[WhiteElo "2400"]
[TimeControl "?"]
[SetUp "1"]
[FEN "2qr1rk1/pp2ppbp/n1p1b1p1/P7/2nPP3/2N2NPP/1P2QPBK/R1B2R2 w - - 3 15"]
[Termination "unterminated"]
[PlyCount "0"]
[WhiteType "human"]
[BlackType "human"]

15. e5 {TCEC Bluefish +1.72} Qc7 16. Ng5 Nxa5 17. Nxe6 fxe6 18. Be3 Nb3 19. Rad1 c5 20. Nb5 Qa5
21. d5 Nc7 22. Nxc7 Qxc7 23. d6 exd6 24. Qc4 d5 25. Qxb3 Bxe5 26. Bh6 Bg7 27. Bxg7 {TCEC Bluefish 3.21} Kxg7 {on move 114: 1-0} 1-0

After 29 games each:
Stockfish clear 1st
Lc0 clear 2nd
AllieStein 3rd 0.5 above the other* commercials tied KomodoMCTS, Houdini and Komodo.
* being some sort of so-called 'subscription' hack of GPL.
http://www.chessdom.com/alliestein-the-new-neural-network-entering-tcec-s15/
"...Besides LCZero, ... , it showed a trend in computer chess: people understood the potential value and advantages of neural networks in chess." As in $64 per month value.
1 Stockfish 19040612 {69%}
  29   20   0   11 [8/3]   0 [0/0]   271.00   3603   -11 [3592]
2 LCZero v0.21.1-n41800 {59%}
  29   17   0   5 [4/1]   0 [0/0]   235.50   3603   -15 [3588]
3 AllieStein v0.3dev-n6.1 {50%}
  29   14.5   0   5 [4/1]   5 [0/5]   195.75   3426   21 [3447]
4 KomodoMCTS 2306.00 {48%}
  29   14   0   2 [1/1]   3 [0/3]   200.25   3486   -3 [3483]
5 Houdini 6.03 {48%}
  29   14   0   2 [2/0]   3 [1/2]   195.25   3571   -22 [3549]
6 Komodo 2306.00 {48%}
  29   14   0   1 [1/0]   2 [1/1]   199.00   3561   -21 [3540]
7 Fire 011819 {43%}
  29   12.5   0   2 [2/0]   6 [2/4]   176.25   3488   -15 [3473]
8 Ethereal 11.38 {34%}
  29   10   0   1 [1/0]   10 [2/8]   147.50   3483   -32 [3451]
- By MrKris (**) Date 2019-04-21 23:15
https://cd.tcecbeta.club/archive.html?season=15&div=p&game=107#/
Black, like its parent sometimes, plays negative king safety, its pieces fleeing as far as possible from its own king.
[Event "Preimer, game 107"]
[Site "TCEC Season 15"]
[Date "2019.04.21"]
[Round "?"]
[White "Ethereal 11.38"]
[Black "KomodoMCTS 2306.00"]
[Result "1-0"]
[Time "14:22:28"]
[TimeControl "480+4"]
[SetUp "1"]
[FEN "r4rk1/1bq1bpp1/p1n1p2p/1ppnP3/8/P2P1NP1/1PP1QNBP/R1B2RK1 w - - 2 15"]
[Termination "unterminated"]
[PlyCount "13"]
[WhiteType "human"]
[BlackType "human"]

15. c3 Rfb8 {??} (15. .. b4 {TCEC Bluefish 0.90}) 16. Ng4 Qd8 {??} ({Bf 2.76:} 16. ..
h5 17. Nf2 Rf8 {'reverting' its 15th move} 18. Bd2) 17. Bxh6 {!!
Bf 6.14, +- already!} Ra7 ({Bf:} 17. .. gxh6 18. Nxh6+ Kg7 19. Nxf7 {2nd
minor sacrificed} Kxf7 20. Nd4+ Ke8 21. Nxe6 Qb6 22. Qh5+ Kd7 23. Qf5 Nxe5
24. Nf4+ Kc7 25. Bxd5 Qf6 26. Qe4 Qd6 27. Rae1 Nc6 28. Bxc6 Bxc6 29. Qxe7+)
18. Rf2 Qf8 ({Bf} 18. .. c4) 19. Bd2 c4 20. d4 Ba8 21. Raf1 {Bf 9.26, white
up 1 pawn, nothing en prise, all of white's pieces poised for the attack,
most of black's clustered uselessly on the queenside. 1-0 on move 32.} 1-0
Up Topic The Rybka Lounge / Computer Chess / CCC and TCEC

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