Author: Robert Hyatt
Date: 07:57:02 03/24/04
Go up one level in this thread
On March 23, 2004 at 21:45:22, Dan Ellwein wrote: >On March 23, 2004 at 16:21:15, Robert Hyatt wrote: > >>On March 23, 2004 at 04:35:49, Tord Romstad wrote: >> >>>[D]k1r5/p5n1/1prp3p/5p2/P1PPp1pP/2P1P1P1/3KBP2/1R4B1 w - - >>> >>>This position occured in a blitz game on the ICC with Gothmog (white) against >>>Arasan. Of course, as is immediately obvious to a human observer, white is >>>dead lost. It's impossible to activate the bishop on g1, and white is >>>effectively a rook down. >>> >>>To my disgust, Gothmog was quite happy about its position, and showed a small >>>plus score. And because Arasan appeared to be equally clueless about the >>>position, Gothmog even went on to win after a really ugly endgame. >>> >>>After the game, I decided to check Gothmog's static eval for the position. >>>It thinks that white has an advantage(!) of 0.24 pawns. Of course it >>>notices the bad mobility for the bishop on g1, but it doesn't understand >>>that it will never be possible to activate the bishop without loss of >>>material. >>> >>>How do other engines evaluate this position? >>> >>>Tord >> >> >>Crafty likes black: >>note: scores are for the white side >>material evaluation................. -1.30 >>development......................... 0.00 >>pawn evaluation..................... -0.27 >>passed pawn evaluation.............. 0.00 >>passed pawn race evaluation......... 0.00 >>king safety evaluation.............. 0.00 >>interactive piece evaluation........ 0.63 >>total evaluation.................... -0.94 > >CM9000 personality OffSet sees this position as a draw... he didn't ask for _search_ score... he asked for a "static evaluation"... btw it is almost certainly not a draw... > >P3/850 64M hash... > >Time Depth Score Positions Moves >0:00 1/5 -0.18 6603 1.Rb5 a6 2.Rb1 Ka7 3.Bh2 Ne6 >0:00 1/6 -0.18 12612 1.Rb5 a6 2.Rb1 Ka7 3.Bh2 Ne6 >0:00 1/6 -0.14 17959 1.Bh2 Re8 2.Rb5 a6 3.Rb1 Ka7 >0:00 1/7 -0.23 53134 1.Bh2 Re8 2.Rb2 Rc7 3.Rb5 Kb8 4.Rd5 >0:00 1/7 -0.20 64817 1.Rb3 Re8 2.c5 bxc5 3.Bb5 Rb6 4.dxc5 > dxc5 5.Bxe8 Rxb3 >0:01 1/8 -0.18 136588 1.Rb3 Rf8 2.Rb1 h5 3.Rb5 a6 4.Rb1 > Ka7 >0:02 1/8 -0.15 201173 1.Kc2 Rb8 2.Bh2 Rf8 3.Rb5 Kb8 4.Kd2 > Rcc8 >0:04 1/9 -0.13 390059 1.Kc2 Rb8 2.Ra1 Nh5 3.Rb1 Rc7 4.Rb5 > Ng7 5.Rd5 >0:07 1/10 -0.16 672636 1.Kc2 Rb8 2.Ra1 Rc7 3.a5 Rcb7 4.Bd1 > bxa5 5.Rxa5 Rb2+ 6.Kc1 Rb1+ 7.Kd2 > R8b2+ 8.Ke1 Rc2 >0:09 1/10 -0.11 964540 1.Rb5 Rb8 2.Rd5 a6 3.a5 bxa5 4.Rxa5 > Rb2+ 5.Ke1 Rb1+ 6.Bd1 Kb7 7.Rd5 Kc7 >0:16 1/11 -0.16 1688952 1.Rb5 a6 2.Rd5 Rb8 3.Kc1 Ka7 4.c5 > bxc5 5.dxc5 dxc5 6.Rd7+ Rb7 >0:19 1/11 -0.11 2045600 1.Kc2 Rb8 2.Ra1 Rc7 3.a5 Rcb7 4.axb6 > Rxb6 5.Ra2 Ne6 6.Kd2 Rb2+ 7.Rxb2 > Rxb2+ 8.Ke1 >0:34 1/12 -0.11 3638209 1.Kc2 Rb8 2.Rb2 h5 3.Ra2 Rbc8 4.a5 > b5 5.c5 a6 6.c4 bxc4 7.Bxc4 dxc5 >1:05 2/13 -0.09 7132334 1.Kc2 Rb8 2.Ra1 Rb7 3.a5 Nh5 4.Bh2 > Kb8 5.d5 Rc8 6.axb6 Rxb6 7.Rb1 >2:41 3/14 -0.11 17725685 1.Kc2 Rb8 2.Ra1 Rc7 3.a5 Rcb7 4.axb6 > Rxb6 5.Bd1 R8b7 6.c5 dxc5 7.dxc5 > Rc6 8.Rb1 Rxc5 9.Rxb7 Kxb7 >7:20 4/15 -0.11 49767297 1.Kc2 Rb8 2.Ra1 a5 3.Bh2 Kb7 4.Rb1 > Rf8 5.Rb5 Ne8 6.Kd2 Nc7 7.d5 Rc5 > 8.Rxc5 bxc5 >20:59 5/16 -0.11 142848746 1.Kc2 Rb8 2.Ra1 a5 3.Bh2 Kb7 4.Rb1 > Rf8 5.Rb5 Ne8 6.Kd2 Nc7 7.d5 Rc5 > 8.Rxc5 bxc5 >35:00 5/16 -0.08 237522685 1.Rb5 a6 2.Rd5 Rb8 3.Bd1 Ka7 4.Bb3 > Rb7 5.Ba2 h5 6.a5 bxa5 7.Rxa5 Rb2+ > 8.Kc1 Rcb6 9.c5 dxc5 10.dxc5 >56:04 6/17 -0.08 386782218 1.Rb5 a6 2.Rd5 Rb8 3.Bd1 Ka7 4.Bb3 > Rb7 5.Ba2 h5 6.a5 bxa5 7.Rxa5 Rb2+ > 8.Kc1 Rcb6 9.c5 dxc5 10.dxc5 >2:47:09 7/18 -0.06 1158632406 1.Rb5 a6 2.Rd5 a5 3.Ke1 Kb7 4.Kf1 > R8c7 5.Bd1 Rf7 6.Bb3 Rf6 7.Rb5 > Rc8 8.c5 dxc5 9.Bd5+ Ka7 10.dxc5 >7:39:09 8/19 -0.16 -1044052721 1.Rb5 a6 2.Rd5 a5 3.Ke1 Kb7 4.Kd2 > R8c7 5.Bh2 Rf7 6.c5 dxc5 7.Bb5 > Rcc7 8.dxc5 Rxc5 9.Rxc5 bxc5 10.Bc4 > Rd7+ 11.Ke2 Nh5 12.Be6 >Dan
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