Author: Timothy J. Frohlick
Date: 13:49:59 09/05/03
Go up one level in this thread
Shredder 7.04 on an old AMD 1400 with 512 MB RAM sees the win in 10 seconds. New game 6k1/3qppP1/b3p3/Pp1pP1PN/1PpP4/2P5/8/1BK5 w - - 0 1 Analysis by Shredder 7.04: 1.Nf6+ exf6 2.exf6 -+ (-7.02) Depth: 1/2 00:00:00 1.Nf6+ exf6 2.gxf6 -+ (-6.83) Depth: 1/3 00:00:00 1.Kd2 -+ (-5.53) Depth: 1/3 00:00:00 1.Kd2 -+ (-4.49) Depth: 1/3 00:00:00 1.Kd2 -+ (-4.49) Depth: 1/3 00:00:00 1.Kd2 Bb7 -+ (-4.37) Depth: 2/3 00:00:00 1.g6 Qc6 2.gxf7+ Kxf7 -+ (-4.28) Depth: 2/7 00:00:00 1.g6 Qc6 2.gxf7+ Kxf7 -+ (-4.28) Depth: 2/7 00:00:00 1.g6 Qe8 2.Kd2 -+ (-4.60) Depth: 3/8 00:00:00 1.g6 Qe8 2.Kd2 fxg6 -+ (-4.89) Depth: 3/8 00:00:00 1.Kd2 Bb7 2.g6 fxg6 -+ (-4.85) Depth: 3/8 00:00:00 1.Kd2 Bb7 2.Bc2 -+ (-4.49) Depth: 3/8 00:00:00 1.Kd2 Bb7 2.Ke3 -+ (-4.42) Depth: 3/8 00:00:00 1.Kd2 Qe8 2.Ke3 f6 -+ (-4.27) Depth: 4/9 00:00:00 1.Kd2 Qe8 2.Nf4 Kxg7 3.Nxd5 -+ (-4.52) Depth: 5/12 00:00:00 1.Kd2 Qe8 2.Bc2 f6 3.Nf4 Kxg7 4.Nxe6+ Kf7 -+ (-4.59) Depth: 5/12 00:00:00 1.Kd2 Qe8 2.Bc2 Bc8 -+ (-4.34) Depth: 6/12 00:00:00 5kN 1.Kd2 Qe8 2.Ke3 f6 3.Nxf6+ exf6 4.gxf6 -+ (-4.14) Depth: 6/12 00:00:00 8kN 1.Kd2 Qe8 2.Ke3 Bb7 3.Bc2 f6 4.Bd3 -+ (-4.39) Depth: 7/14 00:00:00 13kN 1.Kd2 Qe8 2.Bc2 f5 3.Bd1 Qg6 4.Nf4 Qxg5 -+ (-4.71) Depth: 7/14 00:00:00 17kN 1.Bc2 Qe8 2.Bd1 Bc8 -+ (-4.70) Depth: 7/14 00:00:00 22kN 1.Bc2 Qe8 2.Bd1 Bb7 3.Bf3 Qd8 4.Kd2 -+ (-4.41) Depth: 7/14 00:00:00 25kN 1.Bc2 Qe8 2.Bd1 Bc8 3.Kd2 Bb7 4.Bf3 Qd8 -+ (-4.21) Depth: 8/19 00:00:00 37kN 1.Bc2 Qe8 2.Bd1 Bb7 3.Kd2 Qb8 4.Ke3 Qc7 5.Kf4 -+ (-4.17) Depth: 9/24 00:00:01 63kN 1.Bc2 Qe8 2.Bd1 Bc8 3.Kd2 f6 4.exf6 Bd7 -+ (-4.07) Depth: 10/25 00:00:01 114kN 1.Bc2 Qe8 2.Bd1 Bb7 3.Kd2 Qb8 4.Ke3 Kh7 5.Bc2+ Kg8 6.Kf4 Qc7 -+ (-4.00) Depth: 11/29 00:00:02 210kN 1.Bc2 Qe8 2.Bd1 Bb7 3.Kd2 Qb8 4.Ke3 Qc7 5.Bc2 f6 6.gxf6 Qc6 -+ (-3.92) Depth: 12/29 00:00:02 396kN 1.Bc2 Qa7 2.Kd2 f5 3.gxf6 exf6 4.exf6 Qf7 5.Bd1 Qg6 6.Be2 Qg5+ 7.Ke1 Qe3 8.Kf1 Qxc3 -+ (-3.99) Depth: 13/29 00:00:02 976kN 1.Bc2 Bb7 2.Kd2 Qe8 3.Bd1 f6 4.gxf6 Qg6 5.Be2 exf6 6.exf6 Qg5+ 7.Kc2 Qe3 8.Kd1 Qxc3 -+ (-4.00) Depth: 14/33 00:00:05 2061kN 1.Kd2 Qe8 2.Nf6+ exf6 3.gxf6 Qe7 4.fxe7 f5 -+ (-3.99) Depth: 14/33 00:00:07 2555kN 1.Kd2 Qc6 2.Nf6+ Kxg7 3.Nxd5 -+ (-3.99) Depth: 14/33 00:00:10 3937kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Qc5 5.dxc5 d4+ 6.cxd4 Be4 7.Bxe4 -+ (-3.64) Depth: 14/33 00:00:10 4011kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Qe7 4.fxe7 f5 -+ (-3.29) Depth: 14/33 00:00:10 4011kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qc5 6.bxc5 Bd7 +- (2.99) Depth: 14/33 00:00:11 4058kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qb8 6.Kg5 Qe8 7.Kh6 Qf8 8.gxf8Q+ Kxf8 +- (3.24) Depth: 15/33 00:00:11 4122kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qb8 6.Kg5 Bb7 7.Kh6 Qc7 +- (3.74) Depth: 15/33 00:00:11 4134kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Ba8 6.Kg5 Qxd4 7.cxd4 Bb7 8.Kf4 c3 +- (3.77) Depth: 15/33 00:00:11 4205kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qxd4+ 6.cxd4 Bb7 7.Ke3 Bc8 +- (4.02) Depth: 16/33 00:00:13 4889kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qxd4+ 6.cxd4 Bb7 7.Kg5 c3 8.Bh7+ Kxh7 9.g8Q+ +- (4.05) Depth: 16/33 00:00:13 4990kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qxd4+ 6.cxd4 Be8 7.Kg5 c3 8.Kh6 Bd7 +- (4.30) Depth: 17/33 00:00:18 7071kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qe7 6.Kg5 Qxf6+ 7.exf6 Bb7 +- (4.80) Depth: 17/33 00:00:18 7107kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qe7 6.Kg5 Qxb4 7.Bh7+ Kxh7 8.Kf4 Qxc3 +- (4.80) Depth: 17/33 00:00:18 7229kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qe7 6.Kg5 Be8 7.fxe7 f6+ 8.exf6 Bg6 9.Kxg6 +- (5.05) Depth: 18/33 00:00:24 9992kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qb8 6.Kg5 Qxe5+ 7.dxe5 d4 8.cxd4 Ba8 9.Kf4 Bb7 +- (5.32) Depth: 18/33 00:00:25 10235kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qb8 6.Kg5 Qxe5+ 7.dxe5 d4 8.cxd4 c3 9.Kf4 Bb7 +- (5.37) Depth: 19/33 00:00:35 14731kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qb8 6.Kg5 Qxe5+ 7.dxe5 d4 8.cxd4 Bg2 9.Kh6 Bf1 +- (5.62) Depth: 20/33 00:00:52 21947kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qb8 6.Kg5 Qf8 7.Kh6 Qxg7+ 8.fxg7 f5 9.exf6 Kf7 +- (6.12) Depth: 20/33 00:00:53 22028kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qxa5 6.bxa5 b4 7.cxb4 Ba4 8.a6 c3 9.a7 Bc6 10.b5 +- (6.51) Depth: 20/33 00:00:54 22546kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qxa5 6.bxa5 b4 7.cxb4 Ba4 8.a6 c3 9.a7 Bc6 10.Kg5 +- (6.76) Depth: 21/33 00:01:22 34259kN 1.Nf6+ exf6 2.gxf6 Qa7 3.Kd2 Bb7 4.Ke3 Bc6 5.Kf4 Qc7 6.Kg5 Qxe5+ 7.dxe5 d4 8.cxd4 c3 +- (7.11) Depth: 21/34 00:01:24 35033kN (Frohlick, Albuquerque 05.09.2003) On September 05, 2003 at 11:39:33, Andrey Popov wrote: >On September 05, 2003 at 11:02:07, John Merlino wrote: > >>On September 05, 2003 at 10:51:03, Andrey Popov wrote: >> >>>Look at the following position: >>>[D]6k1/3qppP1/b3p3/Pp1pP1PN/1PpP4/2P5/8/1BK5 w - - 0 1 >>>Does your engine see the victory? >> >>Chessmaster 9000, on a P4-2.4, needs a little over 2 minutes to see the win: >> >I see. 2 minutes and only 9 plies. >However, Ruffian (the same strength) could not get the positive score during >this time. What is the reason of this strange difference? >See the Ruffian log: > 6k1/3qppP1/b3p3/Pp1pP1PN/1PpP4/2P5/8/1BK5 w - - > Depth Time Score Best line > 13/28 1.24 -3.37 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Ke3 Qc8 Kf4 Qd7 Bf3 f5 gxf6 > exf6 > 13--> 1.37 -3.37 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Ke3 Qc8 Kf4 Qd7 Bf3 f5 gxf6 > exf6 > 14/28 2.18 -3.40 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Bc2 Qc8 g6 Qe8 gxf7+ Qxf7 > Bd1 Qf5 Be2 Qg5+ Kc2 > 14--> 2.46 -3.40 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Bc2 Qc8 g6 Qe8 gxf7+ Qxf7 > Bd1 Qf5 Be2 Qg5+ Kc2 > 15/29 3.71 -3.31 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Bc2 Qc8 Bd1 Qd7 Bc2 f5 gxf6 > Qe8 Nf4 exf6 exf6 Qf7 > 15--> 4.00 -3.31 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Bc2 Qc8 Bd1 Qd7 Bc2 f5 gxf6 > Qe8 Nf4 exf6 exf6 Qf7 > 16/35 6.52 -3.31 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Bc2 Qc8 Bd1 Qd7 Bc2 f5 gxf6 > Qe8 Nf4 exf6 exf6 Qf7 > 16--> 7.06 -3.31 Bc2 Qc6 Kd2 Qe8 Bd1 Qd8 Bc2 Qc8 Bd1 Qd7 Bc2 f5 gxf6 > Qe8 Nf4 exf6 exf6 Qf7 > 17/36 31.74 -3.31 Bc2 Qc6 Bd1 Qe8 Kd2 Qd8 Bc2 Qc8 > 17--> 32.68 -3.31 Bc2 Qc6 Bd1 Qe8 Kd2 Qd8 Bc2 Qc8 > 18/42 1:07 -3.31 Bc2 Qc6 Bd1 Qe8 Kd2 Qd8 Ke3 Qc8 Kf4 Qd7 Ke3 Qc6 Kd2 > Qc8 Bc2 Qe8 > 18--> 1:12 -3.31 Bc2 Qc6 Bd1 Qe8 Kd2 Qd8 Ke3 Qc8 Kf4 Qd7 Ke3 Qc6 Kd2 > Qc8 Bc2 Qe8 > 19/42 1:53 -- Bc2 > 19/43 3:28 -3.88 Bc2 Bc8 Bd1 Qd8 Kd2 Bd7 Bg4 Be8 Ke2 f5 exf6 Bxh5 > Bxh5 exf6 gxf6 Qxf6 Be8 Kxg7 Bxb5 e5 > 19--> 3:43 -3.88 Bc2 Bc8 Bd1 Qd8 Kd2 Bd7 Bg4 Be8 Ke2 f5 exf6 Bxh5 > Bxh5 exf6 gxf6 Qxf6 Be8 Kxg7 Bxb5 e5 > 20/43 4:26 -- Bc2 > 20/45 8:05 -4.31 Bc2 Qd8 Bd1 Bc8 Kd2 Bd7 Bg4 Be8 Ke2 f5 exf6 Bxh5 > Bxh5 exf6 gxf6 Qxf6 > 20/45 9:46 x.xx Kd2 > >> >>Chessmaster 9000, on a P4-2.4, needs a little over 2 minutes to see the win: >> >>Time Depth Score Positions Moves >>0:00 1/8 -5.65 44032 1.Bc2 Qe8 2.Bd1 Qc8 3.Bc2 Qd8 4.g6 >> f5 5.Nf4 >>0:00 2/9 -5.65 57399 1.Bc2 Qe8 2.Bd1 Qc8 3.Bc2 Qd8 4.g6 >> f5 5.Nf4 >>0:00 3/10 -5.55 121321 1.Bc2 Qe8 2.Bd1 Qc8 3.Bc2 Qd8 4.g6 >> f5 5.Nf4 Qc8 >>0:01 4/11 -5.60 237325 1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Be2 >> Qe8 5.Bg4 Qb8 6.g6 >>0:02 5/12 -5.52 590781 1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4 >> Qc6 5.Ke3 Qc8 6.Nf4 Qa8 >>0:04 6/13 -5.56 1254718 1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4 >> Qc6 5.Ke3 Qc8 6.Kd2 Qd8 7.Nf4 >>0:15 7/14 -5.45 3909511 1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4 >> Kh7 5.Ke3 Bb7 6.Kf3 Bc6 7.Kf2 Kg8 >> 8.Bf3 >>0:36 8/15 -5.46 8880617 1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4 >> Kh7 5.Ke3 Bb7 6.Be2 Kg8 7.Kd2 Bc6 >> 8.Bf3 >>1:58 9/16 -5.35 28593195 1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4 >> Kh7 5.Ke3 Qc6 6.Be2 Kg8 7.Bg4 Qc8 >> 8.Kd2 Qa8 >>2:17 9/16 4.09 35256466 1.Nf6+ exf6 2.gxf6 Qe8 3.Kd2 Qd8 >> 4.Ke3 Qxa5 5.bxa5 b4 6.cxb4 Bb5 >> 7.Kd2 Ba6 8.Bc2 Bb5 9.Kc3 Ba6 >>2:21 10/17 4.89 36413121 1.Nf6+ exf6 2.gxf6 Qe8 3.Kd2 Qd8 >> 4.Ke3 Qxf6 5.exf6 Bc8 6.Kf4 Bb7 >> 7.Kg5 e5 8.dxe5 d4 9.cxd4 c3 10.Bc2 >>2:51 11/18 5.27 48709448 1.Nf6+ exf6 2.gxf6 Qe8 3.Kd2 Qb8 >> 4.Ke3 Qxe5+ 5.dxe5 Bb7 6.Kd4 Bc6 >> 7.Kc5 Ba8 8.Kxb5 Bb7 9.Kb6 Ba8 >> 10.b5 d4 11.Ka7 >> >>jm
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