Author: Dann Corbit
Date: 16:41:17 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.
Phalanx:
8/8/1p5P/2b2P2/7K/8/1k6/8 b - -
-> increment adds 1440 s to soft time limit
-> soft time limit 3154.28 s
-> hard time limit 41599.9 s
6 -> 0:00.81 173651 0 turns
7 -49 88 189729 Bc5-e7 ??
7 -682 103 224383 Bc5-e7 Kh4-h5 Pb6-b5 Ph6-h7 Pb5-b4 Ph7-h8Q
Kb2-b3 Pf5-f6 Be7-d6
7 -677 105 228351 Bc5-d4 !
7 -644 127 276797 Bc5-d4 Kh4-g5 Bd4-e3 Kg5-g6 Be3xh6 Kg6xh6
Pb6-b5 Kh6-g6 Kb2-c3
7 -> 0:01.91 443242 1 turn
8 -686 244 570068 Bc5-d4 Kh4-g5 Pb6-b5 Pf5-f6 Pb5-b4 Ph6-h7
Pb4-b3 Pf6-f7 Kb2-c1 Pf7-f8Q
8 -> 0:04.34 1001471 0 turns
9 -709 557 1245299 Bc5-d4 Kh4-g5 Pb6-b5 Pf5-f6 Pb5-b4 Pf6-f7
Pb4-b3 Pf7-f8Q Kb2-c2 Qf8-c8 Bd4-c3 Ph6-h7
9 -708 601 1352735 Bc5-e7 Kh4-h5 Pb6-b5 Ph6-h7 Be7-f6 Kh5-g6
9 -703 722 1632825 Pb6-b5 !
9 -686 804 1816644 Pb6-b5 Pf5-f6 Pb5-b4
9 -> 0:08.62 1941669 2 turns
10 -725 1111 2460238 Pb6-b5 Pf5-f6 Pb5-b4 Ph6-h7 Pb4-b3 Pf6-f7
Kb2-a2 Ph7-h8Q
10 -720 1131 2503352 Bc5-e7 !
10 -717 1210 2703788 Bc5-e7 Kh4-h5 Pb6-b5 Ph6-h7 Be7-f6 Kh5-g6
Bf6-c3 Pf5-f6 Pb5-b4 Pf6-f7 Pb4-b3 Pf7-f8Q
Kb2-c1 Qf8-c8
10 -712 1239 2754990 Bc5-d4 !
10 -709 1319 2927649 Bc5-d4 Kh4-g5 Pb6-b5 Pf5-f6 Pb5-b4 Pf6-f7
Pb4-b3 Pf7-f8Q Kb2-c2 Qf8-c8 Kc2-b2
10 -> 0:15.22 3379375 2 turns
11 -721 1859 4140750 Bc5-d4 Kh4-g5 Pb6-b5 Pf5-f6 Pb5-b4 Ph6-h7
Pb4-b3 Pf6-f7 Kb2-c2 Pf7-f8Q Pb3-b2 Qf8-f5
Kc2-c3 Qf5-b1 Bd4-h8 Kg5-f5
11 -> 0:31.48 7098596 0 turns
12 -723 3825 8598163 Bc5-d4 Kh4-g5 Pb6-b5 Pf5-f6 Pb5-b4 Pf6-f7
Pb4-b3
12 -722 4850 10566022 Pb6-b5 Ph6-h7 Bc5-d4 Kh4-g5 Pb5-b4 Pf5-f6
12 -> 0:54.19 11751422 1 turn
13 -742 7527 15985725 Pb6-b5 Ph6-h7 Bc5-d4 Kh4-g5 Pb5-b4 Pf5-f6
Pb4-b3 Ph7-h8Q Kb2-c2 Qh8-c8 Kc2-d2 Qc8-c4
Bd4-e3 Kg5-g6 Pb3-b2 Qc4-b3 Be3-d4
13 -> 1:33.25 19828097 0 turns
14 -785 17145 36144016 Pb6-b5 Pf5-f6 Pb5-b4 Ph6-h7 Pb4-b3 Ph7-h8Q
Bc5-d4 Qh8-d8 Bd4xf6 Qd8xf6 Kb2-c2 Qf6-c6
Kc2-b1 Qc6-e4 Kb1-b2
14 -> 3:25.94 43487640 0 turns
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