Author: Kurt Utzinger
Date: 14:44:16 04/21/02
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Analysis on Ath 1.4/32 MB hashtables New game [D]8/8/5kp1/4qp1p/1P6/2Q3P1/5P2/6K1 w - - 0 1 A very interesting position which cannot be solved by Fritz7007 and Junior7 within a reasonable time. Below analysis of some engines: Analysis by Chess Tiger 14.0: 47.Qc6+ Qe6 48.Qc5 Qe5 49.Qb6+ Qe6 50.Qd8+ Qe7 51.Qh8+ Kf7 52.Qd4 Qe4 53.Qd7+ Qe7 54.Qxe7+ Kxe7 55.f4 Ke6 = (0.00) Depth: 9 00:00:00 221kN = (0.10) Depth: 15 00:05:08 152540kN, tb=507 47.Qxe5+ Kxe5 48.f4+ Kd4 49.Kf2 Kc4 50.Ke3 Kd5 51.Kd3 Ke6 52.Kd4 Kd6 53.b5 Kc7 54.Ke5 Kb6 55.Kf6 Kxb5 56.Kxg6 ± (0.98) Depth: 15 00:05:09 152830kN, tb=727 +- (1.68) Depth: 19 00:06:12 180706kN, tb=13696 (Utzinger, MyTown 21.04.2002) ******************************************************************************************** Analysis by Comet B42: 47.Qxe5+ Kxe5 48.Kg2 Kd5 49.Kh1 g5 50.b5 +- (1.64) Depth: 1/5 00:00:00 +- (1.45) Depth: 4/12 00:00:00 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ Qe5 50.Qd8+ Qe7 51.Qh8+ Kg5 52.b5 Qb7 53.Qe8 +- (1.46) Depth: 4/12 00:00:00 = (0.24) Depth: 10/23 00:00:15 7294kN, tb=790 47.Qc4 Qe4 48.Qa6+ Kg5 49.Qd6 f4 50.Qxf4+ Qxf4 51.gxf4+ Kxf4 52.Kg2 Ke4 53.f3+ Kf4 54.b5 Ke5 ² (0.26) Depth: 10/23 00:00:31 14486kN, tb=1361 ² (0.27) Depth: 12/25 00:01:18 37077kN, tb=5117 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ Qe5 50.Qh4+ Kf7 51.Qc4+ Qe6 52.Qc5 Qe7 53.Qd5+ Qe6 54.Qb7+ Qe7 ² (0.37) Depth: 12/25 00:01:26 41022kN, tb=6092 ² (0.37) Depth: 14/27 00:03:44 108030kN, tb=25246 47.Qxe5+ Kxe5 48.f4+ Kd4 49.Kg2 h4 50.Kh3 hxg3 51.Kxg3 Ke3 52.b5 ² (0.50) Depth: 14/30 00:05:39 164429kN, tb=48038 ± (1.32) Depth: 15/30 00:06:04 175652kN, tb=62391 (Utzinger, MyTown 21.04.2002) ******************************************************************************************** Analysis by Crafty 18.14: 47.Qf3 = (-0.19) Depth: 1/7 00:00:00 47.Qxe5+ Kxe5 48.f4+ Kd4 49.Kh2 Kc4 50.Kh3 Kxb4 51.Kh4 Kc4 52.Kg5 Kd5 53.Kxg6 Ke6 54.Kg5 Ke7 55.Kxf5 Kf7 ² (0.44) Depth: 1/7 00:00:00 +- (2.69) Depth: 15/34 00:00:42 33538kN, tb=1489 (Utzinger, MyTown 21.04.2002) ******************************************************************************************** Analysis by Fritz 7: [not solved within 10 min] 1.Qa3 f4 2.Qa6+ Kf5 3.Qc8+ Kg5 4.Qd8+ Kf5 5.gxf4 Kxf4 6.Qd2+ Kg4 7.Qd7+ Qf5 = (0.19) Depth: 8/23 00:00:00 407kN = (0.03) Depth: 9/24 00:00:01 767kN 1.Qc6+! = (0.06) Depth: 9/24 00:00:01 808kN = (0.22) Depth: 9/24 00:00:01 851kN 1.Qd2 Ke7 2.f4 Qe6 3.Kf2 Kf7 4.Qe3 Qa2+ = (0.25) Depth: 9/25 00:00:01 1226kN = (0.25) Depth: 10/24 00:00:02 1576kN 1.Qc6+ Qe6 2.Qc5 Qe7 3.Qb6+ Qe6 4.Qd8+ Qe7 5.Qh8+ Kf7 6.Qd4 Qe4 7.Qb6 f4 8.b5 ² (0.28) Depth: 10/24 00:00:02 1668kN ² (0.34) Depth: 13/34 00:00:18 14637kN, tb=63 1.Qxe5+ Kxe5 2.f4+ Kd5 3.Kh2 Kc4 4.Kh3 Kxb4 5.Kh4 Kc5 6.Kg5 Kd5 7.Kxg6 Ke4 8.Kxh5 ² (0.38) Depth: 13/34 00:00:29 22787kN, tb=149 ² (0.53) Depth: 15/26 00:00:36 26979kN, tb=937 1.Qc6+! ² (0.56) Depth: 15/36 00:01:09 52806kN, tb=1277 ± (1.09) Depth: 16/40 00:04:10 200385kN, tb=3294 (Utzinger, MyTown 21.04.2002) ******************************************************************************************** Analysis by Hiarcs 7.32: 1.Qxe5+ Kxe5 2.Kg2 Kd5 3.Kf3 Kc4 4.Kf4 Kxb4 ² (0.30) Depth: 1 00:00:00 µ (-1.08) Depth: 5/17 00:00:00 3kN 1.Qc6+ Qe6 2.Qc5 Qe5 3.Qf8+ Ke6 4.Qg8+ Kf6 5.Qd8+ = (0.14) Depth: 5/17 00:00:00 72kN ² (0.30) Depth: 7/23 00:00:02 544kN 1.Qc4 Ke7 2.b5 Qd6 3.Kg2 Qb6 4.Kf3 Kd6 5.Qb4+ Ke5 ² (0.35) Depth: 7/25 00:00:03 948kN ² (0.42) Depth: 9/27 00:00:30 8891kN 1.Qc6+ Qe6 2.Qc5 Qe5 3.Qb6+ Kg7 ² (0.43) Depth: 9/29 00:00:39 11516kN 1.Qxe5+ Kxe5 2.f4+ Kd4 3.Kf2 Kc4 4.Ke3 Kd5 5.Kd3 Kc6 6.Kd4 Kd6 7.b5 Ke6 8.Kc5 ² (0.52) Depth: 9/29 00:00:39 11543kN +- (2.66) Depth: 15/31 00:06:23 114978kN, tb=1362 (Utzinger, MyTown 21.04.2002) ******************************************************************************************** Analysis by Junior 7: [no solution within 15 min] 1.Qxe5+ Kxe5 2.Kg2 f4 3.gxf4+ Kxf4 4.Kh3 g5 ² (0.47) Depth: 3 00:00:00 = (0.14) Depth: 6 00:00:00 7kN 1.Qc6+ Qe6 2.Qxe6+ Kxe6 3.f4 Kd5 4.Kh2 ² (0.33) Depth: 6 00:00:00 18kN ² (0.55) Depth: 20 00:15:57 1334198kN, tb=336134 (Utzinger, MyTown 21.04.2002) ********************************************************************************************
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