Author: Dieter Buerssner
Date: 10:30:13 05/28/03
Go up one level in this thread
On May 27, 2003 at 19:11:49, Jorge Pichard wrote: >Six years later, which program can see the draw in the famous 2nd game of the >rematch? Not exactly draw score, but pretty close (0.11 after a long think). I think draw score would be possible with a slightly different positional evaluation function. See Uri's argument in another post of this thread. I had tried this position before, and I believe to remember that older versions of Yace did better here. Regards, Dieter Yace, P4 2.53 GHz, 200 MB hash, using perhaps 90% of the CPU: 1...Qxc6 2.dxc6 Kf8 3.Ra7 Rc8 4.Rb7 h5 5.Rxb5 Ke7 6.g3 Rc7 7.Ra5 Kd8 8.h4 +- (1.63) Depth: 13/35 00:00:16 12425kN 1...Qe3 2.Qd7+ Kg8 3.Qxd6 Rf8 4.Qe6+ Kh7 5.Bf3 Qc1+ 6.Ke2 Qb2+ 7.Kd1 Qb3+ 8.Kc1 +- (1.62) Depth: 13/47 00:02:44 118268kN 1...Qe3 2.Qxd6 Re8 3.h4 ± (1.15) Depth: 13/48 00:04:40 198273kN 1...Qe3 2.Qxd6 Re8 3.h4 ± (1.15) Depth: 13/48 00:04:42 199151kN 1...Qe3 2.Qxd6 Re8 3.h4 Re7 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Kg3 Qe1+ 7.Kg4 e4 8.Qd8 h5+ 9.Kxh5 Re8 10.Ra7+ Kf8 +- (1.55) Depth: 14/48 00:05:29 232777kN 1...Qe3 2.Qxd6 Re8 3.h4 +- (1.55) Depth: 14/50 00:07:56 335213kN 1...Qe3 2.Qxd6 Re8 3.h4 Qxe4 4.Qxe5 +- (1.55) Depth: 14/50 00:08:02 339120kN 1...Qe3 2.Qxd6 Re8 3.h4 h5 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Be2 Qf4+ 7.Kg1 Qe3+ 8.Kh2 Qf4+ 9.Kh3 Qxf5+ 10.Kh2 Qf4+ 11.Kg1 Qe3+ 12.Kf1 Qc1+ 13.Kf2 Qf4+ 14.Bf3 Qxh4+ +- (1.81) Depth: 15/53 00:13:56 587235kN 1...Qxc6 2.dxc6 Kf8 3.Ra7 Rc8 4.c7 +- (1.80) Depth: 15/53 00:13:57 588663kN 1...Qxc6 2.dxc6 Kf8 3.Ra7 Rc8 4.Bd5 Rc7 5.Ra8+ Ke7 6.Rb8 e4 7.Kf2 +- (1.79) Depth: 15/53 00:14:06 594883kN 1...Qxc6 2.dxc6 Kf8 3.Ra7 Rc8 4.Bd5 Rc7 5.Ra8+ Ke7 6.Rb8 e4 7.Kf2 +- (1.79) Depth: 15/53 00:14:11 598558kN 1...Qxc6 2.dxc6 Kf8 3.Ra7 Rc8 4.Bd5 Rc7 5.Ra8+ Ke7 6.Rg8 h5 7.Rxg7+ Ke8 8.Rg8+ Bf8 9.Rh8 h4 10.Rxh4 Ke7 +- (1.98) Depth: 16/53 00:14:26 610307kN 1...Qe3 2.Qxd6 Re8 3.h4 h5 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Be2 Qf4+ 7.Kg1 Qe3+ 8.Kh2 Qf4+ 9.Kh3 Qxf5+ 10.Kh2 Qf4+ 11.Kg1 Qe3+ 12.Kh2 Qxe2 13.Ra2 Qxa2 14.Qxe5 +- (1.97) Depth: 16/59 00:27:04 1132367kN 1...Qe3 2.Qxd6 Re8 3.h4 h5 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Be2 Qf4+ 7.Kg1 Qe3+ 8.Kh2 Qf4+ 9.Kh3 Qxf5+ 10.Kh2 Qf4+ 11.Kg1 Qc1+ 12.Kf2 Qf4+ 13.Ke1 Qc1+ 14.Bd1 Qxc3+ 15.Kf2 Qd4+ 16.Kf1 Qxd1+ 17.Kf2 ± (1.39) Depth: 16/59 00:49:00 2040652kN 1...Qe3 2.Qxd6 Re8 3.h4 h5 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Be2 Qf4+ 7.Kg1 Qe3+ 8.Kh2 Qf4+ 9.Kh3 Qxf5+ 10.Kh2 Qf4+ ± (1.33) Depth: 16/59 01:12:01 2979343kN 1...Qe3 2.Qxd6 Re8 3.h4 h5 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Be2 Qf4+ 7.Kg1 Qe3+ 8.Kh2 Qf4+ 9.Kh3 Qxf5+ 10.Kh2 Qf4+ ± (1.33) Depth: 16/59 01:12:48 3010533kN 1...Qe3 2.Qxd6 Re8 3.h4 h5 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Be2 Qf4+ 7.Kg1 Qe3+ 8.Kh2 Qf4+ 9.Kh3 Qxf5+ 10.Kh2 Qf4+ 11.Kg1 Qe3+ 12.Kf1 Qc1+ 13.Kf2 Qf4+ 14.Bf3 Qd2+ 15.Kf1 Qc1+ 16.Ke2 Qc2+ 17.Ke1 ± (1.24) Depth: 17/63 02:04:24 780792kN 1...Qe3 2.Qxd6 Re8 3.h4 h5 4.Bf3 Qc1+ 5.Kf2 Qd2+ 6.Be2 Qf4+ 7.Kg1 Qe3+ 8.Kh2 Qf4+ 9.Kh3 Qxf5+ 10.Kh2 Qf4+ 11.Kg1 Qe3+ 12.Kf1 Qc1+ 13.Kf2 Qf4+ 14.Bf3 Qd2+ 15.Kf1 Qc1+ 16.Ke2 Qc2+ 17.Ke1 ± (1.24) Depth: 17/63 02:06:12 851630kN 1...Qe3 2.Qxd6 Re8 3.h4 Qxe4 4.Ra7+ Kg8 5.Qd7 Re7 6.Qc8+ Kh7 7.Rxe7 Qf4+ 8.Kg1 Qxh4 9.Rxg7+ Kxg7 10.Qd7+ Kf8 11.Qd8+ Kf7 12.Qc7+ Kf8 13.Qc8+ Kf7 14.Qe6+ Kf8 15.g3 Qxg3+ 16.Kf1 ± (0.84) Depth: 18/63 04:37:14 2462896kN 1...Qe3 2.Qxd6 Re8 3.Qd7+ Re7 4.Qc6 Qxe4 5.d6 Qb1+ 6.Kf2 Qc2+ 7.Kg1 Re8 8.Kh2 Qxf5 9.Ra2 Rd8 10.Qxb5 Rxd6 11.Ra7+ Kg6 12.Qe8+ = (0.11) Depth: 18/63 07:13:38 4279816kN 1...Qe3 2.Qxd6 Re8 3.Qd7+ Re7 4.Qc6 Qxe4 5.d6 Qb1+ 6.Kf2 Qc2+ 7.Kg1 Re8 8.Kh2 Qxf5 9.Ra2 Rd8 10.Qxb5 Rxd6 11.Ra7+ Kg6 12.Qe8+ = (0.11) Depth: 18/63 07:18:03 147635kN
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