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Subject: Rybka blunder - it should be a bug ....

Author: Robert Hollay

Date: 14:38:34 12/05/05


A single game against one of my favorites, Gothmog.
My older PC (850MHz Duron, 512MB RAM), 3m + 0s game,
Arena mainbook by H.S. for Rybka.
Yes, I know, slow machine and fast time control, still ...

[Event "Computer chess game"]
[Site "RobertH"]
[Date "2005.12.05"]
[Round "?"]
[White "Gothmog 1.0 beta 10"]
[Black "Rybka 1.0 Beta 32-bit"]
[Result "1-0"]
[ECO "D11"]
[Opening "Slav"]
[Time "21:38:03"]
[Variation "3.Nf3 dxc4 4.e3"]
[TimeControl "180"]
[Termination "normal"]
[PlyCount "89"]
[WhiteType "program"]
[BlackType "program"]

1.d4 d5 2.c4 c6 3.Nf3 dxc4 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3 Nd7 8.O-O Ngf6 9.e4
Bxf3 10.Qxf3 {+0.53/11 4} Nb6 11.Qd3 {+0.46/11 5} Nxc4 12.Qxc4 {+0.43/11 5} Be7
13.Bf4 {+0.43/10 6} O-O {-0.33/7 1} 14.Rab1 {+0.43/9 5} Nh5 {-0.27/10 7} 15.Bh2
{+0.43/10 5} Qd7 {-0.29/8 4} 16.Rbd1 {+0.53/9 3} Rac8 {-0.35/9 8} 17.Qa4
{+0.53/9 3} b5
{-0.35/9 3} 18.Qc2 {+0.46/10 4} a5 {-0.37/9 9} 19.Rfe1 {+0.50/9 3} g6 {-0.31/8
3} 20.Qc1
{+0.75/9 3} Rfd8 {-0.27/8 2} 21.b3 {+0.56/8 4} Qa7 {-0.19/8 4} 22.Qe3 {+0.65/10
5} a4
{-0.18/9 3} 23.g4 {+0.62/8 3} Nf6 {-0.07/9 3} 24.g5 {+0.75/9 3} Nd7 {-0.01/9 3}
25.h4
{+0.65/8 2} axb3 {+0.05/8 1} 26.axb3 {+0.43/10 3} Rca8 {+0.11/9 5} 27.Qf3
{+0.68/8 2}
Qb6 {+0.18/8 4} 28.Bg3 {+0.46/8 3} Ra3 {+0.37/8 2} 29.Re3 {+0.37/9 5} Bb4
{+0.42/8
2} 30.Ne2 {+0.46/9 2} Rda8 {+0.32/8 2} 31.Red3 {+0.28/10 7} R3a2 {+0.39/9 3}
32.Kg2 {+0.34/9 3} Rb2 {+0.32/8 3} 33.Rh1 {+0.50/8 1} Be7 {+0.41/8 3} 34.h5
{+0.53/8
2} Bxg5 {+0.75/7} 35.hxg6 {+0.37/8 1} hxg6 {+0.73/7 1} 36.e5 {-0.13/8 4} Rc2
{+0.84/6 2} 37.Rdd1 {+0.06/8 3} Be7 {+0.33/7 5} 38.Rh8+ {+7.18/8 2} Kxh8 {-M0/12
31}
39.Qxf7 {+9.68/8 1} Bh4 {-M0/8} 40.Rh1 {+15.28/8 2} g5 {-M0/5} 41.Bxh4 {+M5/8 1}
Ra1
{-M0/3} 42.Rh2 {+M4/6} Rh1 43.Kxh1 {+M3/5} Rc1+ 44.Nxc1 {+M2/4} gxh4 45.Rxh4#
{+M0/2}
{Mate} 1-0



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