Author: Dann Corbit
Date: 16:48:07 06/05/02
Go up one level in this thread
On June 05, 2002 at 10:27:28, Jon Dart wrote: >Recently Arasan had this position in a game: > >[D]8/8/1p5P/2b2P2/7K/8/1k6/8 b - - > >Crafty evaluates this statically as won for White, which is correct. Arasan's >pawn race code doesn't currently cover this case, although it would evaluate it >correctly if there was no Black bishop, and it sees pretty quickly in the search >what the situation is. But in the game, it exchanged into this lost position, as >it couldn't search deep enough to see the consequences. > >I'm wondering how well other programs evaluate this. Pepito: 5 900 95 24005 b5 ?? Kh4-h5 b4 Kh5-g6 5 858 96 26438 b5 f6 Bc5-d4 f7 Bd4-c5 h7 Bc5-e7 Kh4-g4 5 858 98 37303 b5 f6 Bc5-d4 f7 Bd4-c5 h7 Bc5-e7 Kh4-g4 6 825 103 62419 b5 ?? f6 Bc5-d4 f7 Bd4-c5 h7 Bc5-e7 Kh4-g4 6 725 107 87216 b5 ?? f6 Bc5-d4 f7 Bd4-c5 h7 Bc5-e7 Kh4-g4 6 -553 109 95763 b5 f6 b4 h7 b3 f7 Bc5-e7 Kh4-g4 Kb2-a1 h8=Q 6 76 112 113853 Bc5-e3 h7 Be3-d4 Kh4-g5 Bd4-h8 f6 b5 6 281 113 119764 Bc5-d4 f6 Bd4xf6 Kh4-h5 b5 Kh5-g6 Bf6-d4 6 281 116 134679 Bc5-d4 f6 Bd4xf6 Kh4-h5 b5 Kh5-g6 Bf6-d4 7 248 134 241600 Bc5-d4 ?? f6 Bd4xf6 Kh4-h5 b5 Kh5-g6 Bf6-d4 7 148 145 310587 Bc5-d4 ?? f6 Bd4xf6 Kh4-h5 b5 Kh5-g6 Bf6-d4 7 -584 147 323912 Bc5-d4 Kh4-g5 b5 f6 b4 h7 b3 h8=Q 7 -574 151 342855 b5 f6 b4 h7 b3 f7 Bc5-e7 Kh4-g4 Kb2-c2 h8=Q 7 -574 161 407984 b5 f6 b4 h7 b3 f7 Bc5-e7 Kh4-g4 Kb2-c2 h8=Q 8 -541 169 453241 Bc5-d4 !! 8 -540 171 462291 Bc5-d4 Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-a1 8 -540 183 545248 Bc5-d4 Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-a1 9 -573 208 714352 Bc5-d4 ?? Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-a1 9 -607 214 756617 Bc5-d4 Kh4-g5 b5 f6 b4 f7 Bd4-e3 Kg5-g6 b3 h7 Kb2-c2 f8=Q 9 -607 235 894715 Bc5-d4 Kh4-g5 b5 f6 b4 f7 Bd4-e3 Kg5-g6 b3 h7 Kb2-c2 f8=Q 10 -630 272 1103583 b5 f6 b4 h7 Bc5-d4 f7 Bd4-g7 f8=Q Bg7xf8 h8=Q Kb2-c2 Qh8xf8 b3 10 -630 297 1263864 b5 f6 b4 h7 Bc5-d4 f7 Bd4-g7 f8=Q Bg7xf8 h8=Q Kb2-c2 Qh8xf8 b3 11 -611 354 1560992 b5 f6 b4 h7 b3 f7 Bc5-e7 Kh4-h5 Kb2-c2 h8=Q b2 Qh8-c8 Kc2-b1 Kh5-h6 Be7-a3 Kh6-g7 11 -611 380 1734530 b5 f6 b4 h7 b3 f7 Bc5-e7 Kh4-h5 Kb2-c2 h8=Q b2 Qh8-c8 Kc2-b1 Kh5-h6 Be7-a3 Kh6-g7 12 -644 508 2459436 b5 ?? f6 b4 h7 b3 f7 Bc5-e7 Kh4-h5 Kb2-c2 h8=Q b2 Qh8-c8 Kc2-b1 Kh5-h6 Be7-a3 Kh6-g7 12 -658 693 3388103 b5 f6 b4 h7 Bc5-d4 f7 Bd4-g7 f8=Q Bg7xf8 h8=Q Kb2-b1 Qh8xf8 b3 Qf8-f5 Kb1-a1 Qf5-a5 Ka1-b2 12 -657 722 3547205 Bc5-d4 Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-c2 h7 b2 Qf8-f5 Kc2-c3 Qf5-a5 Kc3-c2 Qa5-a4 Kc2-d3 Qa4xd4 Kd3xd4 h8=Q 12 -657 809 4030454 Bc5-d4 Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-c2 h7 b2 Qf8-f5 Kc2-c3 Qf5-a5 Kc3-c2 Qa5-a4 Kc2-d3 Qa4xd4 Kd3xd4 h8=Q 13 -657 876 4363588 Bc5-d4 Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-c2 h7 b2 Qf8-f5 Kc2-c3 Qf5-a5 Kc3-c2 Qa5-a4 Kc2-d3 Qa4xd4 Kd3xd4 h8=Q 13 -657 1042 5277921 Bc5-d4 Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-c2 h7 b2 Qf8-f5 Kc2-c3 Qf5-a5 Kc3-c2 Qa5-a4 Kc2-d3 Qa4xd4 Kd3xd4 h8=Q 14 -690 2149 10972976 Bc5-d4 ?? Kh4-g5 b5 f6 b4 f7 b3 f8=Q Kb2-c2 h7 b2 Qf8-f5 Kc2-c3 Qf5-a5 Kc3-c2 Qa5-a4 Kc2-d3 Qa4xd4 Kd3xd4 h8=Q 14 -696 2378 12184184 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Kb2-a2 h8=Q Bd4xh8 Qf8-a8 Ka2-b2 Qa8xh8 14 -696 2884 14924841 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Kb2-a2 h8=Q Bd4xh8 Qf8-a8 Ka2-b2 Qa8xh8 15 -711 3505 18110175 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Kb2-a2 Qf8-a8 Ka2-b2 Kf4-e4 Bd4-c3 h8=Q Bc3xh8 Qa8xh8 15 -711 5807 29386848 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Kb2-a2 Qf8-a8 Ka2-b2 Kf4-e4 Bd4-c3 h8=Q Bc3xh8 Qa8xh8 16 -711 6260 31599253 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Bd4-c3 Kf4-e4 Kb2-a2 Qf8-a8 Ka2-b2 h8=Q 16 -711 7245 36170640 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Bd4-c3 Kf4-e4 Kb2-a2 Qf8-a8 Ka2-b2 h8=Q 17 -711 8245 41073439 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Bd4-c3 Kf4-e4 Kb2-a2 Qf8-a8 Ka2-b2 Qa8-c8 Bc3-g7 h8=Q Bg7 xh8 Qc8xh8 17 -711 9536 47369022 Bc5-d4 h7 b5 Kh4-g5 b4 f6 b3 f7 Kb2-c2 f8=Q Kc2-b2 Kg5-f4 Bd4-c3 Kf4-e4 Kb2-a2 Qf8-a8 Ka2-b2 Qa8-c8 Bc3-g7 h8=Q Bg7 xh8 Qc8xh8
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