Author: Kim Roper Jensen
Date: 19:16:33 01/19/02
Here is a test position with a simple endgame(for human) but a tough nut to crack for computers ??? [D]4k3/8/8/8/8/p1p5/5PPP/1K6 w - - here is Shredder 6 analysis, on a dual p3 1Ghz with 256MB ramEngine: Yace by Dieter Buirssner best move: h2-h4 time: 0:08.734 min Engine: Shredder 6 by Stefan Meyer-Kahlen 1.00 0:00 +1.16++ 1.h4 Kf7 2.g4 (62) 4.1 1.00 0:00 +1.37 1.h4 Kf7 2.g4 Kg6 3.f4 (1.111) 74.0 1.00 0:00 +1.59++ 1.g4 Kf7 2.h4 Kf6 3.f4 Kg6 (2.228) 71.8 1.00 0:00 +1.59 1.g4 Kf7 2.h4 Kf6 3.f3 Kg7 4.h5 (3.390) 109.3 2.00 0:00 +1.59 1.g4 Kf7 2.h4 Kf6 3.f3 Kg7 4.f4 Kg8 5.h5 (4.462) 143.9 3.00 0:00 +1.67 1.g4 Kf7 2.h4 Kf6 3.f3 Kg7 4.f4 Kg8 5.h5 (5.502) 177.4 3.00 0:00 +1.71++ 1.h4 Kf7 2.f3 Kf6 3.f4 Kf5 4.g3 (5.926) 191.1 3.00 0:00 +1.71 1.h4 Kf7 2.f3 Kf6 3.f4 Kf5 4.g3 (5.927) 191.1 4.00 0:00 +1.71 1.h4 Kf7 2.f3 Kf6 3.f4 Kf5 4.g3 (5.936) 191.4 5.00 0:00 +1.71 1.h4 Kf7 2.f3 Kf6 3.f4 Kf5 4.g3 (5.946) 191.8 6.00 0:00 +1.71 1.h4 Kf7 2.f3 Kf6 3.f4 Kf5 4.g3 (5.956) 192.1 7.01 0:00 +1.71 1.h4 Kf7 2.f3 Kf6 3.f4 Kf5 4.g3 (5.966) 192.4 8.01 0:00 +1.84 1.h4 Kf7 2.f4 Kg8 3.g4 Kf8 4.h5 Kg7 (18.814) 75.2 9.01 0:00 +1.98 1.h4 Kf7 2.f4 Kg8 3.g4 Kf8 4.g5 Kg7 5.f5 (35.884) 57.4 10.01 0:01 +2.23++ 1.h4 Kf7 2.g4 Kg8 3.h5 a2+ 4.Kxa2 Kh8 5.f4 Kg7 6.g5 (61.805) 45.9 10.01 0:01 +2.28 1.h4 Kf7 2.g4 Kg8 3.h5 Kf8 4.f4 Kf7 5.g5 Kg8 (67.381) 45.8 11.01 0:01 +2.33 1.h4 Kf7 2.g4 Kg8 3.h5 Kg7 4.g5 Kf7 5.f4 Kg7 6.f5 Kg8 (100.634) 51.5 11.02 0:02 +2.34++ 1.g4 Kf7 2.f4 Kg6 3.f5+ Kg7 4.g5 Kh8 (110.605) 52.4 11.02 0:02 +2.34 1.g4 Kf7 2.f4 Kg6 3.f5+ Kg7 4.g5 Kh8 5.h4 Kg7 6.h5 Kg8 (117.748) 52.3 12.01 0:02 +2.53 1.g4 Kf7 2.f4 Kg6 3.f5+ Kg7 4.g5 Kg8 5.h4 Kf7 6.h5 Kg7 (157.173) 52.6 13.01 0:03 +2.65 1.g4 Kf7 2.f4 Kg6 3.f5+ Kg7 4.g5 Kg8 5.h4 Kf7 6.h5 Kg8 7.h6 (220.070) 63.1 14.01 0:03 +2.85 1.g4 Kf7 2.f4 Kg6 3.f5+ Kg7 4.g5 Kh7 5.f6 Kg8 6.h4 Kf7 7.h5 Kg8 (312.405) 81.6 15.01 0:04 +3.10++ 1.g4 Kf7 2.f4 Kg6 3.f5+ Kg7 4.g5 a2+ 5.Kxa2 Kf8 6.h4 Kg8 7.h5 Kf8 (399.388) 91.2 15.01 0:04 +3.18 1.g4 Kf7 2.f4 Kg6 3.g5 Kg7 4.h3 Kg6 5.h4 Kh7 6.h5 Kg8 7.f5 Kg7 8.g6 Kg8 9.f6 (466.890) 98.6 15.02 0:05 +3.19++ 1.h4 Kf7 2.h5 Kg8 3.f4 Kh7 4.f5 Kg7 5.g4 Kf6 6.h6 Kf7 7.g5 Kg8 8.g6 (531.737) 100.1 15.02 0:05 +3.19 1.h4 Kf7 2.h5 Kg8 3.f4 Kh7 4.f5 Kg7 5.f6+ Kxf6 6.h6 a2+ 7.Ka1 c2 8.Kb2 a1Q+ 9.Kb3 c1Q (537.033) 100.7 16.01 0:05 +3.27 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kg7 5.f5 Kg8 6.g5 Kg7 7.g6 a2+ 8.Kxa2 Kg8 (697.555) 121.6 17.01 0:07 +3.52++ 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kg7 5.f5 Kg8 6.g5 Kf7 7.f6 Ke6 (903.233) 123.5 17.01 0:08 +4.00 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kg7 5.f5 Kg8 6.g5 Kf8 (1.092.586) 134.9 18.01 0:10 +3.75-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.f5 Kxh5 5.f6 c2+ 6.Kc1 a2 7.Kd2 a1Q 8.f7 (1.461.966) 144.8 18.01 0:10 +3.25-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.f5 Kxh5 5.f6 c2+ 6.Kc1 a2 7.Kd2 a1Q 8.f7 c1Q+ 9.Ke2 Qf1+ 10.Kd2 Qxf7 11.g4+ Kxg4 (1.511.356) 148.8 18.01 0:11 +2.33 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.g6+ Kxh6 9.Kc2 a2 10.g7 a1Q 11.g8Q (2.060.995) 176.1 18.04 0:12 +2.34++ 1.f3 Kf7 2.f4 Kg6 3.h4 Kf6 4.h5 Kg7 (2.389.885) 185.8 18.04 0:13 +2.34 1.f3 Kf7 2.f4 Kg6 3.h4 Kf5 4.h5 Ke4 5.h6 Kd3 6.h7 a2+ 7.Kxa2 c2 8.h8Q c1Q 9.Qd8+ (2.438.720) 185.3 19.01 0:17 +2.10 1.f3 Kf7 2.g4 Ke6 3.g5 Ke5 4.h3 Ke6 5.Kc1 Kf7 6.Kd1 Kg6 7.Ke2 (3.439.752) 197.9 19.02 0:18 +2.11++ 1.h4 Kf7 2.h5 a2+ 3.Kxa2 Ke6 (3.611.543) 195.7 19.02 0:19 +2.46++ 1.h4 Kf7 2.h5 a2+ 3.Kxa2 Ke6 4.g4 Kd5 5.f4 Kd4 6.Kb1 Kd3 7.Kc1 c2 8.f5 Ke2 (3.814.849) 193.6 19.02 0:44 +2.46 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.h6+ Kg6 7.f5+ Kxf5 8.h7 c2+ 9.Kxc2 a2 10.h8Q Kxg5 11.Qe5+ Kh6 12.Qf6+ Kh7 13.Qf7+ (16.482.256) 374.4 20.01 0:44 +2.21-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.h6+ Kg6 7.f5+ Kxf5 8.h7 c2+ 9.Kxc2 a2 10.h8Q Kxg5 11.Qe5+ Kh6 12.Qf6+ Kh7 13.Qf7+ (16.484.186) 374.3 20.01 0:47 +2.21 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.h6+ Kg6 7.f5+ Kxf5 8.h7 c2+ 9.Kxc2 a2 10.h8Q Kxg5 11.Qe5+ Kh6 12.Qf6+ Kh7 13.Qf7+ (16.984.022) 355.1 21.01 0:56 +2.46++ 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kh7 7.f6 c2+ 8.Kxc2 a2 9.g6+ Kh6 10.Kb2 Kxh5 11.f7 Kg4 12.f8Q (18.932.409) 332.7 21.01 0:57 +2.96++ 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kh7 7.f6 c2+ 8.Kxc2 a2 9.g6+ Kh6 10.Kb2 Kxh5 11.f7 Kg4 12.f8Q (19.446.266) 337.1 21.01 0:59 +2.96 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.g6 Kg7 8.Ka1 Kg8 9.Ka2 c2 10.Kb3 c1Q 11.Ka4 Kg7 (19.723.578) 332.5 22.01 1:03 +2.71-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.g6 Kg7 8.Ka1 Kg8 9.Ka2 c2 10.Kb3 c1Q 11.Ka4 Kg7 12.f6+ Kxf6 (21.722.381) 339.8 22.01 1:10 +2.21-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.g6 Kg7 8.Ka1 Kg8 9.Ka2 c2 10.Kb3 c1Q 11.Ka4 Kg7 12.f6+ Kxf6 (26.490.012) 376.4 22.01 1:29 +1.20 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.Kc1 Kxg5 10.f7 a2 11.Kd1 a1Q+ 12.Ke2 (33.539.227) 373.5 23.01 1:58 +0.95-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.Kc1 Kxg5 10.f7 a2 11.h7 a1Q+ 12.Kc2 Qg1 13.f8Q Qh2+ 14.Kd3 (49.519.530) 417.5 23.01 2:18 +0.45-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.Kc1 Kxg5 10.f7 a2 11.h7 a1Q+ 12.Kc2 Qg1 13.f8Q Qh2+ 14.Kb3 (64.846.490) 467.2 23.01 2:50 -1.50 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.Kc1 a2 10.f7 a1Q+ 11.Kc2 Qb2+ 12.Kd3 Qd2+ 13.Kc4 Kxf7 14.h7 (76.448.496) 447.4 24.01 3:35 -1.75-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.Kc1 a2 10.f7 a1Q+ 11.Kc2 Qb2+ 12.Kd3 Qd2+ 13.Kc4 Kxf7 14.h7 (100.961.288) 467.9 24.01 3:44 -2.25-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.Kc1 a2 10.f7 a1Q+ 11.Kc2 Qb2+ 12.Kd3 Qd2+ 13.Kc4 Kxf7 14.h7 (106.893.325) 476.6 24.01 3:57 -3.01 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Kb4 (113.206.812) 477.0 25.01 4:32 -3.26-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (131.561.860) 482.6 25.01 4:42 -3.76-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (140.228.955) 495.7 25.01 7:34 -5.98 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (263.330.504) 579.6 26.01 12:45 -6.23-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (516.871.946) 675.0 26.01 20:20 -6.68 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (891.666.865) 730.6 27.01 42:19 -6.93-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (1.920.052.384) 756.1 27.01 54:05 -7.43-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (2.466.775.089) 759.9 27.01 68:29 -9.75 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (3.060.432.876) 744.7 28.01 87:18 -10.00-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (3.755.859.643) 716.9 28.01 95:16 -10.50-- 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.f5 Kg8 7.h6 Kh7 8.f6 Kg6 9.f7 Kxf7 10.Ka2 c2 11.Kb3 c1Q 12.Ka4 (4.081.013.861) 713.8 28.01 178:08 -11.29 1.h4 Kf7 2.h5 Kg7 3.f4 Kh6 4.g4 Kh7 5.g5 Kg7 6.h6+ Kg6 7.f5+ Kh7 8.f6 Kg6 9.h7 Kxh7 10.f7 Kg7 11.g6 Kf8 12.Kc2 (7.720.540.804) 722.3 best move: h2-h4 time: 484:09.297 min n/s: 729.248 CPU 198.6% nodes: 21.184.143.667 TB: 5.116.625 Other programs that solves it faster ???? With regards Kim
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