Author: Uri Blass
Date: 06:41:49 11/28/04
Go up one level in this thread
On November 28, 2004 at 09:30:32, chandler yergin wrote: >On November 28, 2004 at 09:20:31, Mike Byrne wrote: > >>On November 28, 2004 at 08:26:20, chandler yergin wrote: >> >>Please ,do some analysis and post your results. (Suggestion - do not rely upon >>one program.) > >What Program/Engine do you suggest? I susggest to use almost every engine except shredder to prove that white can mate after g8N+ Bxg8 Here is some analysis by comet and Crafty. The main problem is to find the first move. After g8N+ Bxg8 it is easy for engines with no special knowledge like shredder to find the mate. , [D]6b1/2B2p2/7k/4K3/3p2P1/8/8/8 w - - 0 1 Analysis by Comet B50: 2.Kxd4 ² (0.43) Depth: 1/2 00:00:00 2.Kxd4 Kg5 = (0.11) Depth: 2/5 00:00:00 2.Ke4 Kg5 3.Kxd4 = (0.12) Depth: 2/5 00:00:00 2.Ke4 Kg5 3.Kxd4 Kxg4 µ (-0.88) Depth: 2/6 00:00:00 2.Kxd4 Kg5 = (0.11) Depth: 2/6 00:00:00 2.Kxd4 Kg5 3.Be5 Kxg4 ³ (-0.38) Depth: 3/6 00:00:00 2.Bb8 f6+ 3.Kxd4 Kg5 = (-0.04) Depth: 3/8 00:00:00 2.Bb8 Kg5 3.Kxd4 Kxg4 ³ (-0.68) Depth: 3/8 00:00:00 2.Kxd4 Kg5 ³ (-0.38) Depth: 3/8 00:00:00 2.Kxd4 Kg5 3.Be5 Kxg4 ³ (-0.38) Depth: 3/8 00:00:00 2.Kxd4 Kg5 3.Bd8+ f6 4.Be7 Kxg4 ³ (-0.44) Depth: 4/8 00:00:00 2.Ke4 Bh7+ 3.Kxd4 Kg5 4.Be5 Kxg4 ³ (-0.42) Depth: 4/9 00:00:00 2.Ke4 Bh7+ 3.Kxd4 Kg5 4.Bd8+ f6 5.Be7 Kxg4 ³ (-0.40) Depth: 5/11 00:00:00 7kN 2.Kxd4 Kg5 3.Ke4 Kxg4 4.Be5 ³ (-0.39) Depth: 5/11 00:00:00 7kN 2.Kxd4 Kg5 3.Bg3 Bh7 4.Bf2 f6 5.Be3+ Kxg4 ³ (-0.53) Depth: 6/11 00:00:00 26kN 2.Kxd4 Kg5 3.Ke5 f6+ 4.Ke4 Kxg4 5.Bb6 ³ (-0.55) Depth: 6/13 00:00:00 87kN 2.Kxd4 Kg5 3.Bd8+ Kxg4 4.Bf6 Bh7 5.Kd5 Bd3 ³ (-0.52) Depth: 7/13 00:00:00 92kN 2.Kxd4 Kg5 3.Bd8+ Kxg4 4.Bf6 Bh7 5.Kd5 Bd3 6.Kd4 ³ (-0.44) Depth: 8/14 00:00:00 211kN 2.Kf6 Kh7 3.Be5 d3 4.Bc3 Kh8 5.Kf5+ Kh7 6.Ke4 = (-0.02) Depth: 8/15 00:00:00 401kN 2.Kf6 Kh7 3.Be5 d3 4.Bc3 Kh8 5.Kf5+ Kh7 6.Kf6 = (0.00) Depth: 8/15 00:00:00 410kN 2.Kf6 Kh7 3.Be5 d3 4.Bc3 Kh8 5.Kf5+ Kh7 6.Kf6 = (0.00) Depth: 9/16 00:00:00 466kN 2.Kf6 Kh7 3.Bf4 d3 4.Bd2 Kh8 5.Bc3 Kh7 6.Kg5 f6+ = (0.03) Depth: 10/18 00:00:01 1015kN 2.Kf6 Kh7 3.Bf4 Kh8 4.Bd2 Kh7 5.Kf5 Kg7 6.Ke4 Bh7+ 7.Kxd4 Kf6 ² (0.26) Depth: 11/18 00:00:02 1975kN 2.Kf6 Kh7 3.Bf4 Kh8 4.Bd2 Kh7 5.Kf5 Kg7 6.Ke4 Bh7+ 7.Kxd4 Kf6 ² (0.26) Depth: 11/18 00:00:02 2068kN 2.Kf6 Kh7 3.Bf4 Kh8 4.g5 d3 5.Be5 d2 6.g6 Bh7 7.gxf7 d1Q 8.f8Q+ Bg8 ² (0.39) Depth: 12/21 00:00:03 4072kN 2.Kf6 Kh7 3.Bf4 Kh8 4.g5 d3 5.Be5 Kh7 6.Bc3 d2 7.Bxd2 Kh8 8.Bc3 ² (0.56) Depth: 12/21 00:00:04 4236kN 2.Kf6 Kh7 3.Bf4 Kh8 4.g5 d3 5.Be5 d2 6.g6 Bh7 7.gxf7 d1Q 8.f8Q+ Bg8 ² (0.69) Depth: 13/22 00:00:07 6970kN 2.Kf6 Kh7 3.Bf4 Kh8 4.g5 d3 5.Be5 d2 6.g6 Bh7 7.gxf7 d1N 8.f8Q+ Bg8 ± (0.96) Depth: 13/22 00:00:07 7008kN 2.Kf6 Kh7 3.Bf4 Kh8 4.g5 d3 5.Bb8 d2 6.Kf5 d1Q 7.g6 ± (0.96) Depth: 13/22 00:00:08 7236kN 2.Kf6 Kh7 3.Bf4 Kh8 4.g5 d3 5.Be5 d2 6.g6 Bh7 7.gxf7 d1Q 8.f8Q+ Bg8 9.Bb2 Kh7 ± (1.09) Depth: 14/24 00:00:13 12303kN 2.Kf6 Kh7 3.Bf4 Kh8 4.g5 d3 5.Be5 Kh7 6.Ke7 d2 7.Kd7 d1Q+ 8.Bd6 ± (1.09) Depth: 14/24 00:00:14 12731kN 2.Kf6 Kh7 3.Bf4 d3 4.g5 Kh8 5.Be5 ± (1.22) Depth: 15/25 00:00:22 22185kN 2.Kf6 Kh7 3.Bf4 d3 4.Bd2 Kh8 5.Bc3 Kh7 6.Kg5 d2 7.Bb4 d1Q 8.Ba5 ± (1.31) Depth: 15/27 00:00:23 22936kN 2.Kf6 Kh7 3.Bf4 d3 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 +- (1.44) Depth: 16/28 00:00:37 40715kN 2.Kf6 Kh7 3.Bf4 d3 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 +- (1.71) Depth: 16/28 00:00:37 40756kN 2.Kf6 Kh7 3.Bf4 d3 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 +- (1.98) Depth: 16/28 00:00:37 40772kN 2.Kf6 Kh7 3.Bf4 d3 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 +- (2.37) Depth: 16/29 00:00:37 40786kN 2.Kf6 Kh7 3.Bf4 d3 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 +- (2.88) Depth: 16/29 00:00:37 40787kN 2.Kf6 d3 3.Bf4+ Kh7 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 +- (4.39) Depth: 16/29 00:00:37 40789kN 2.Kf6 d3 3.Bf4+ Kh7 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 10.Qe8 Bc6 11.Qxc6 Kh6 12.Qd6 +- (6.90) Depth: 16/32 00:00:37 40806kN 2.Kf6 d3 3.Bf4+ Kh7 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 10.Qe8 d2 11.Qxe4+ Kh6 12.Bxd2+ Kh5 13.Qe5+ Kg4 14.Qf5+ +- (18.98) Depth: 16/38 00:00:37 40827kN 2.Kf6 d3 3.Bf4+ Kh7 4.g5 Kh8 5.Be5 Kh7 6.Bc3 Kh8 7.g6 Bh7 8.gxf7 Be4 9.f8Q+ Kh7 10.Qf7+ Kh6 11.Qg7+ Kh5 12.Qg5# +- (#10) Depth: 16/38 00:00:37 40833kN 2.Kf6 d3 3.Bf4+ Kh7 4.g5 Kh8 5.Be5 Kh7 6.Bc3 d2 7.Bxd2 Kh8 8.Bc3 Kh7 9.Bd4 Kh8 10.g6 Bh7 11.Kxf7# +- (#9) Depth: 16/38 00:00:43 46752kN (, MyTown 28.11.2004) , 6b1/2B2p2/7k/4K3/3p2P1/8/8/8 w - - 0 1 Analysis by Crafty 19.17: 2.Kxd4 = (0.21) Depth: 1/4 00:00:00 2.Kxd4 f6 = (0.12) Depth: 2/4 00:00:00 2.Kxd4 Kg5 3.Be5 Kxg4 ³ (-0.30) Depth: 3/6 00:00:00 2.Kxd4 Kg5 3.Bd8+ Kxg4 4.Bf6 ³ (-0.29) Depth: 4/6 00:00:00 2.Kxd4 Kg5 3.Ke4 Kxg4 4.Be5 = (-0.21) Depth: 5/8 00:00:00 2.Kxd4 Kg5 3.Bd8+ Kxg4 4.Bf6 Bh7 5.Kd5 ³ (-0.32) Depth: 6/9 00:00:00 3kN 2.Kxd4 Kg5 3.Be5 Bh7 4.Ke3 Kxg4 5.Bf6 ³ (-0.32) Depth: 7/11 00:00:00 9kN 2.Kxd4 Kg5 3.Ke5 Bh7 4.Bd8+ Kxg4 5.Kf6 Bg6 6.Bc7 ³ (-0.47) Depth: 8/13 00:00:00 21kN 2.Kxd4 Kg5 3.Be5 Kxg4 4.Kc5 Bh7 5.Kd6 Be4 6.Ke7 ³ (-0.50) Depth: 9/15 00:00:00 62kN 2.Kxd4 Kg5 3.Be5 Kxg4 4.Bf6 Bh7 5.Ke3 Bf5 6.Be5 Kh3 ³ (-0.53) Depth: 10/17 00:00:00 120kN 2.Kf6 = (-0.10) Depth: 10/17 00:00:00 166kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.Bd2 = (0.00) Depth: 10/17 00:00:00 170kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.Bd2 = (0.00) Depth: 11/19 00:00:00 231kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.Bd2 = (0.00) Depth: 12/20 00:00:00 413kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.Bd2 = (0.00) Depth: 13/22 00:00:01 919kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.Bd2 ² (0.40) Depth: 14/26 00:00:01 1631kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.g5 d2 7.Bxd2 Kh8 8.Bc3 Kh7 9.Be5 Kh8 10.Kf5+ Kh7 ² (0.43) Depth: 14/26 00:00:01 1831kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.g5 d2 7.Bxd2 Kh8 8.Bc3 Kh7 9.Be5 Kh8 10.Kf5+ Kh7 11.Bf6 ² (0.42) Depth: 15/26 00:00:02 3563kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.g5 d2 7.Bxd2 Kh8 8.Bc3 Kh7 9.Be5 Kh8 10.Kf5+ Kh7 11.Bf6 ± (0.82) Depth: 16/29 00:00:04 6739kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.g5 d2 7.Bxd2 Kh8 8.Bc3 Kh7 9.Be5 Kh8 10.Kf5+ Kh7 11.Bf6 +- (1.82) Depth: 16/29 00:00:04 6739kN 2.Kf6 d3 3.Bf4+ Kh7 4.Bd2 Kh8 5.Bc3 Kh7 6.g5 d2 7.Bxd2 Kh8 8.Bc3 Kh7 9.Be5 Kh8 10.Kf5+ Kh7 11.Bf6 +- (3.82) Depth: 16/29 00:00:04 6739kN 2.Kf6 d3 3.Bf4+ Kh7 4.g5 Kh8 5.Be5 Kh7 6.Bc3 d2 7.Bxd2 +- (#10) Depth: 16/29 00:00:04 7634kN 2.Kf6 d3 3.Bf4+ Kh7 4.g5 Kh8 5.Be5 Kh7 6.Bc3 d2 7.Bxd2 +- (#10) Depth: 17/36 00:00:07 13872kN (, MyTown 28.11.2004) Uri
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