Author: Slater Wold
Date: 22:24:52 10/06/01
Go up one level in this thread
On October 07, 2001 at 01:10:09, John Merlino wrote: >On October 07, 2001 at 00:16:35, Slater Wold wrote: > >>On October 06, 2001 at 23:07:51, K. Burcham wrote: >> >>> >>>bruce posted a position similiar to this, i modified it for a mate in 11. >>>can your program see this mate in 11. >>>slate if you read this, will you post your analysis. >>> >>> >>> [D] 7b/q7/Pk3p1P/1Pp2pB1/K1P2P2/1Q6/8/8 w - - 0 1 >>> >>> >>>kburcham >> >>Here are the "deep" programs: >> >>Deep Fritz - W,S >>7b/q7/Pk3p1P/1Pp2pB1/K1P2P2/1Q6/8/8 w - - 0 1 >> >>Analysis by Deep Fritz T29c: >> >>1.h7-- >> ± (1.28) Depth: 1/5 00:00:00 >>1.h7-- fxg5 >> ± (1.19) Depth: 1/5 00:00:00 >>1.Bxf6! >> +- (2.34) Depth: 1/5 00:00:00 >>1.Bxf6! Bxf6 >> +- (2.59) Depth: 1/5 00:00:00 >>1.Qd3! >> +- (2.66) Depth: 1/5 00:00:00 >>1.Qd3! fxg5 >> +- (3.16) Depth: 1/5 00:00:00 >>1.Qb2! >> +- (3.53) Depth: 1/5 00:00:00 >>1.Qb2! fxg5 >> +- (3.78) Depth: 1/5 00:00:00 >>1.Bh4! >> +- (5.16) Depth: 1/5 00:00:00 >>1.Bh4! >> +- (5.50) Depth: 1/5 00:00:00 >>1.Bh4 Kc7 >> +- (5.53) Depth: 2/4 00:00:00 >>1.Qc3! >> +- (5.66) Depth: 2/4 00:00:00 >>1.Qc3! Kc7 2.Bxf6 >> +- (5.81) Depth: 2/7 00:00:00 >>1.Qc3 Kc7 2.Bxf6 >> +- (5.81) Depth: 3/8 00:00:00 >>1.Qc3 Qd7 2.Bxf6 Qd1+ 3.Ka3 >> +- (5.75) Depth: 4/12 00:00:00 1kN >>1.Qc3! >> +- (6.06) Depth: 5/14 00:00:00 3kN >>1.Qc3! Qe7 2.Qa5+ Ka7 3.b6+ Kb8 >> +- (6.09) Depth: 5/16 00:00:00 4kN >>1.Qc3-- >> +- (5.78) Depth: 6/17 00:00:00 8kN >>1.Qc3-- Qf7 2.Bh4 Kc7 3.Ka5 Qe6 >> +- (5.69) Depth: 6/17 00:00:00 9kN >>1.Qd3! >> +- (5.72) Depth: 6/17 00:00:00 12kN >>1.Qd3! Qe7 2.Bh4 Kc7 3.Qxf5 Kb8 >> +- (6.09) Depth: 6/17 00:00:00 16kN >>1.Qd3 Qc7 2.Bh4 Qe7 3.Bf2 Kc7 4.Qxf5 >> +- (6.16) Depth: 7/17 00:00:00 24kN >>1.Qd3! >> +- (6.47) Depth: 8/21 00:00:00 40kN >>1.Qd3! >> +- (6.78) Depth: 9/23 00:00:00 79kN >>1.Qd3-- >> +- (6.47) Depth: 10/22 00:00:00 141kN >>1.Qd3-- >> +- (6.47) Depth: 10/27 00:00:00 168kN >>1.Qd1! >> +- (6.50) Depth: 10/27 00:00:00 227kN >>1.Qd1! >> +- (6.81) Depth: 11/28 00:00:00 437kN >>1.Qd1! >> +- (7.13) Depth: 12/28 00:00:01 1166kN >>1.Qd1! Qe7 2.Bh4 Kc7 3.Qd5 Qe4 4.Qxc5+ Kd7 5.a7 Qc2+ 6.Ka5 Qd2+ >> +- (10.00) Depth: 12/30 00:00:02 3318kN >>1.Qd3! >> +- (10.03) Depth: 12/30 00:00:03 3691kN >>1.Qd3! Qe7 2.Bh4 Ka7 3.Qd5 Kb8 4.b6 Kc8 5.Qc6+ Kb8 6.h7 Qf7 >> +- (13.16) Depth: 12/30 00:00:03 4505kN >>1.Qd3! >> +- (13.47) Depth: 13/30 00:00:04 5359kN >>1.Qd3! Qe7 2.Bh4 Kc7 3.a7 Kb7 4.b6 Kxb6 5.a8Q Qa7+ 6.Qxa7+ Kxa7 >> +- (13.84) Depth: 13/31 00:00:04 5923kN >>1.Qd3! >> +- (14.16) Depth: 14/31 00:00:06 7931kN >>1.Qd3! Qe7 2.Bh4 Kc7 3.a7 Kb7 4.b6 Kxb6 5.a8Q Qa7+ >> +- (14.47) Depth: 14/32 00:00:07 8842kN >>1.Qd3! >> +- (14.78) Depth: 15/33 00:00:10 14396kN >>1.Qd3! Qe7 2.Bh4 Kc7 3.a7 Kb7 4.b6 Kxb6 5.a8Q Qa7+ >> +- (14.94) Depth: 15/35 00:00:12 17027kN >>1.Qd1! >> +- (14.97) Depth: 15/36 00:00:17 23611kN >>1.Qd1! >> +- (15.28) Depth: 16/35 00:00:20 27501kN >>1.Qd1! Qe7 2.Bh4 Kc7 3.Be1 Kc8 4.Ba5 Qd7 >> +- (15.88) Depth: 16/36 00:00:24 33486kN >>1.Qd1! >> +- (16.19) Depth: 17/36 00:00:36 49666kN, tb=2 >>1.Qd1! Qe7 2.Bh4 Kc7 3.Be1 Kc8 4.Ba5 Qd7 >> +- (17.88) Depth: 17/39 00:01:01 87895kN, tb=4 >>1.Qd3! >> +- (17.91) Depth: 17/41 00:01:46 153538kN, tb=4 >>1.Qd3! Kc7 2.Qd5 Qb6 3.Qf7+ Kc8 4.a7 Qb7 5.Qe6+ Kd8 6.Bxf6+ Bxf6 >> +- (19.84) Depth: 17/41 00:03:42 330718kN, tb=9 >>1.Qd3! >> +- (20.16) Depth: 18/39 00:04:08 369617kN, tb=20 >> >>(W, 06.10.2001) >> >>After 15 minutes, the eval window hadn't updated, so I stopped it. >> >> >>Shredder 5.32 - W,S >>7b/q7/Pk3p1P/1Pp2pB1/K1P2P2/1Q6/8/8 w - - 0 1 >> >>Analysis by Shredder 5.32: >> >>1.Qb4 cxb4 2.Kxb4 fxg5 >> -+ (-2.65) Depth: 1/2 00:00:00 >>1.Qb4 fxg5 >> -+ (-3.47) Depth: 1/2 00:00:00 >>1.Qb4 >> -+ (-5.85) Depth: 1/2 00:00:00 >>1.Qc3 Qf7 2.Qa5+ Ka7 3.b6+ Ka8 >> +- (6.62) Depth: 1/2 00:00:00 >>1.Qc3 Qd7 2.Qa5+ Ka7 3.Bh4 >> +- (6.43) Depth: 1/2 00:00:00 >>1.Qc3 Qd7 2.Qa5+ Ka7 3.Bh4 >> +- (6.43) Depth: 2/4 00:00:00 >>1.Qc3 Qd7 2.Qa5+ Ka7 3.Bh4 Qd1+ 4.Ka3 >> +- (6.43) Depth: 3/6 00:00:00 >>1.Qc3 Qd7 2.Bxf6 Bxf6 3.Qxf6+ Ka7 >> +- (6.43) Depth: 4/8 00:00:00 >>1.Qc3 Qd7 2.Bxf6 Bxf6 3.Qxf6+ Ka7 >> +- (6.43) Depth: 5/10 00:00:00 >>1.Qc3 Qd7 2.Bxf6 Bxf6 3.Qxf6+ Ka7 >> +- (6.54) Depth: 6/12 00:00:00 5kN >>1.Qc3 Qf7 2.Qa5+ Ka7 3.b6+ Kb8 4.a7+ Ka8 5.Qb5 Kb7 6.Qa5 Qxc4+ 7.Ka3 >> +- (6.51) Depth: 7/14 00:00:00 21kN >>1.Qc3 Qe7 2.Qa5+ Ka7 3.b6+ Kb8 4.Qb5 Qd8 5.a7+ Kb7 6.Bh4 Qd6 >> +- (6.27) Depth: 8/16 00:00:00 76kN >>1.Qf3 Qc7 2.Bh4 Ka7 3.Qd5 Qb6 4.h7 Kb8 5.Qxf5 >> +- (6.28) Depth: 8/16 00:00:00 136kN >>1.Qf3 Qd7 2.Bh4 Ka7 3.Qd5 Qxd5 4.cxd5 c4 5.d6 >> +- (6.46) Depth: 8/16 00:00:00 166kN >>1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Qh7 4.Qxh7+ Ka8 5.Qxh8+ Ka7 6.Bxf6 >> +- (6.47) Depth: 8/16 00:00:00 208kN >>1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Qh7 4.Qxh7+ Bg7 5.Qxg7+ Kb8 6.Qb7# >> +- (6.82) Depth: 8/16 00:00:00 217kN >>1.Qd3 Qe7 2.Bh4 Ka7 3.Qxf5 Kb6 4.Qc8 Qe4 5.Qxh8 Qxc4+ 6.Ka3 Qxf4 7.Qxf6+ Qxf6 >> +- (7.12) Depth: 8/16 00:00:00 241kN >>1.Qd3 Qe7 2.Bh4 Ka7 3.Qxf5 Qd6 4.Qh7+ Kb6 5.Bg3 Qd8 >> +- (7.37) Depth: 9/18 00:00:00 276kN >>1.Qd3 Qe7 2.Bh4 Ka7 3.Qxf5 Qc7 4.Bf2 Kb8 5.Bxc5 >> +- (7.58) Depth: 9/18 00:00:00 303kN >>1.Qd3 Qe7 2.Bh4 Qc7 3.Bf2 Qxf4 4.Qd8+ Ka7 5.Bxc5# >> +- (7.77) Depth: 10/20 00:00:00 438kN >>1.Qd3 Qe7 2.Bh4 Qc7 3.Bf2 Qxf4 4.Qd8+ Qc7 5.Qxh8 f4 6.Qxf6+ Ka7 7.b6+ Kb8 >> +- (8.02) Depth: 11/22 00:00:01 825kN >>1.Qd3 Qe7 2.Bh4 Qc7 3.Bf2 Ka7 4.Bxc5+ Qb6 5.Bxb6+ Kxb6 >> +- (8.52) Depth: 11/22 00:00:01 943kN >>1.Qd3 Qe7 2.Bh4 Kc7 3.Qd5 Qe4 4.Qxc5+ Kd8 5.Qf8+ Kc7 6.Qxh8 Qxc4+ 7.Ka3 Qc5+ >>8.Ka2 Qc4+ 9.Ka3 Qc5+ >> +- (9.39) Depth: 11/22 00:00:02 1407kN >>1.Qd3 Qe7 2.Bh4 Kc7 3.a7 Kb7 4.b6 Qe8+ 5.Ka5 Qc6 6.Qd8 Qe8 7.a8Q# >> +- (9.64) Depth: 12/24 00:00:05 2826kN, tb=1 >>1.Qd3 Qe7 2.Bh4 Kc7 3.a7 Kb7 4.b6 Qe8+ 5.Ka5 Qc6 6.Qd8 Qe8 7.Qxe8 Bg7 >> +- (10.14) Depth: 12/24 00:00:05 3186kN, tb=1 >>1.Qd3 Qb8 2.Bh4 Kc7 3.Qd5 Qb6 4.Be1 Kb8 5.Ba5 Qxa5+ 6.Kxa5 Ka7 7.Qxc5+ Kb8 >>8.Qxf5 >> +- (15.10) Depth: 12/24 00:00:13 7683kN, tb=26 >>1.Qd3 Qb8 2.Bh4 Kc7 3.Qd5 Qb6 4.Be1 Kb8 5.Ba5 Bg7 6.hxg7 Ka7 >> +- (15.35) Depth: 13/25 00:00:23 13465kN, tb=45 >>1.Qd3 Qb8 2.Bh4 Kc7 3.Qd5 Qb6 4.Be1 Kb8 5.Ba5 Bg7 6.hxg7 Ka7 >> +- (15.85) Depth: 13/25 00:00:24 14178kN, tb=50 >>1.Qd3 Kc7 2.Qd5 Qb6 3.Bh4 Bg7 4.hxg7 Kb8 >> +- (19.42) Depth: 13/25 00:00:31 18274kN, tb=94 >>1.Qd3 Qb8 2.Bh4 Ka7 3.Qd7+ Qb7 4.axb7 Bg7 5.Qxg7 Kb6 >> +- (19.66) Depth: 14/26 00:00:49 29251kN, tb=192 >>1.Qd3 Qb8 2.Bh4 Ka7 3.Qd7+ Qb7 4.axb7 Kb8 5.Qxf5 Kxb7 6.Bxf6 Bg7 7.Bxg7 Kc7 >> +- (19.91) Depth: 15/27 00:01:31 53465kN, tb=873 >>1.Qd3 Qb8 2.Bh4 Ka7 3.Qd7+ Qb7 4.axb7 Kb8 5.Qxf5 Kxb7 6.Bxf6 Bg7 7.Bxg7 >> +- (20.41) Depth: 15/27 00:01:44 61439kN, tb=1391 >> >>(W, 06.10.2001) >> >> >>Once again, eval window did not update in 10 minutes, so I stopped it. >> >>Sorry I didn't have more time. I was trying to do something when I read the >>post, and *thought* I'd have enough time to solve it. >> >>Slate > >This begs the question: How can DF get to depth 18/39 and Shredder get to depth >15/27 and neither of them see a Mate in 11 (21 plies away)? Or am I missing >something? Or is it truly not a Mate in 11? > >jm That's a very good question. I'll let one of them think longer, and see what it comes up with. Slate
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