Author: Ernst Walet
Date: 03:51:23 12/31/00
About two weeks ago someone posted the following postsion: [D]n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - As far as I can recall it should have been a mate for white, but the programs I tried can only find a draw, ie. Shredder4 on a PIII-500E with 128MB hash and all 3-4-5 men EGTB. Can someone shine a light on this please? Thanks, Ernst. 8.01 0:01.92 +1.83 gxh7+ Kh8 Qxa8 a4 Qd5 Qf8 Ke5 Kxh7 Kd4 (75.326) 39.0 8 -> 0:03.27 +1.83 gxh7+ Kh8 Qxa8 a4 Qd5 Qf8 Ke5 Kxh7 Kd4 (188.540) 57.6 9.01 0:03.77 +1.58-- gxh7+ Kh8 Qxa8 Qe6+ Kg5 Kxh7 Qh1+ Kg8 Qa8 Qe3+ Kg4 Qe6+ Kf4 Qc4+ Ke3 Qc5+ Kd3 (237.315) 62.8 9.01 0:04.08 +1.43 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Kxh7 Bxa5 Qe5+ Kh4 Qh2+ Kg4 f5+ Kxf5 Qh5+ Kf4 Qf7+ Ke5 (286.050) 70.0 9 -> 0:04.73 +1.43 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Kxh7 Bxa5 Qe5+ Kh4 Qh2+ Kg4 f5+ Kxf5 Qh5+ Kf4 Qf7+ Ke5 (377.669) 79.7 10.01 0:06.23 +1.18-- gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bxa5 f5 Bb4 Qh2+ Kg5 Qg1+ Kxf5 Qf1+ Ke5 Qb5+ Kf6 Qxb4 (556.526) 89.3 10.01 0:06.48 +1.18 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kg7 (598.538) 92.3 10 -> 0:09.73 +1.18 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kg7 (1.057.636) 108.5 11.01 0:13.01 +1.41 gxh7+ Kh8 Qxa8 a4 Qd5 a3 Be7 Qa4 Kxf7 Qa7 (1.590.702) 122.1 11 -> 0:15.81 +1.41 gxh7+ Kh8 Qxa8 a4 Qd5 a3 Be7 Qa4 Kxf7 Qa7 (2.034.445) 128.6 12.01 0:21.85 +1.16-- gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bxa5 f5 Bb4 Qh2+ Kg5 Qg1+ Kxf5 Qg6+ Ke5 Qg7+ Kf4 (2.903.802) 132.8 12.01 1:02.41 +0.68 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh6 Qg7+ Kh5 Qe5+ Bg5+ Kxh7 Qg2 f6 Qc2+ Kg7 (9.255.885) 148.2 12 -> 2:21.45 +0.68 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh6 Qg7+ Kh5 Qe5+ Bg5+ Kxh7 Qg2 f6 Qc2+ Kg7 (21.769.350) 153.8 13.01 3:16.37 +0.46 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Kh3 a4 Bh4 Qc3+ Bg3 a3 Qe4+ Kg8 Qd5 (31.146.945) 158.6 13 -> 7:22.31 +0.46 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Kh3 a4 Bh4 Qc3+ Bg3 (72.543.581) 164.0 14.01 10:13.74 +0.21-- gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Kh3 a4 Bh4 Qc3+ Bg3 (101.388.403) 165.1 14.01 10:24.21 +0.21 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh6 Qg7+ Kh5 Qe5+ Kg4 Kxh7 Bg5 f5+ Kh3 Qe4 Qa7+ Kg6 Bh4 a4 (103.197.889) 165.3 14 -> 15:01.14 +0.21 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh6 Qg7+ Kh5 Qe5+ Kg4 Kxh7 Bg5 f5+ Kh3 Qe4 Qa7+ Kg6 Bh4 a4 (149.527.676) 165.9 15.01 23:11.33 +0.01 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kd6 Qd4+ Ke7 Qe5+ (234.099.975) 168.2 15 -> 40:57.18 +0.01 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kd6 (416.552.315) 169.5 16.01 74:09.76 0.00 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kf5 Qb1+ Ke5 Qb2+ Kf4 Qc1+ Kg4 Qg1+ Kf4 (759.667.797) 170.7 16 -> 99:57.40 0.00 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kf5 Qb1+ Ke5 Qb2+ Kf4 Qc1+ Kg4 Qg1+ Kf4 (1021.179.262) 170.2 17.01 158:21.98 0.00 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kf5 Qb1+ Ke5 Qb2+ Kf4 Qc1+ Kg4 Qg1+ Kf4 (1657.385.063) 174.4 17 -> 212:40.60 0.00 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kf5 Qb1+ Ke5 Qb2+ Kf4 Qc1+ Kg4 Qg1+ Kf4 (-2097691245) -164.-3 18.01 382:17.07 0.00 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kf5 Qb1+ Ke5 Qb2+ Kf4 Qc1+ Kg4 Qg1+ Kf4 (-255489211) -11.-1 18 -> 582:16.18 0.00 gxh7+ Kh8 Qxa8 Qe6+ Kg5 Qe5+ Kh4 Kxh7 Bg5 Qh2+ Kg4 Qg1+ Kf4 Qf1+ Ke5 Qa1+ Kf5 Qb1+ Ke5 Qb2+ Kf4 Qc1+ Kg4 Qg1+ Kf4 (1739.496.822) 49.7 best move: g6xh7 time: 713:44.659 min n/s: -24961
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