Author: Uri Blass
Date: 09:11:29 10/28/01
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On October 28, 2001 at 12:04:13, James T. Walker wrote: >Here is what Crafty 18.12 says: > >[D]3k4/8/1p3K2/8/4P1p1/6P1/7P/8 b - - 0 1 > >Analysis by Crafty 18.12: > >1...Kd7 2.e5 > ² (0.53) Depth: 1/2 00:00:01 > ± (0.96) Depth: 2/2 00:00:01 >1...b5 2.Ke5 Kc7 3.Kd5 Kb6 4.e5 b4 > ² (0.54) Depth: 2/2 00:00:01 > ² (0.66) Depth: 7/10 00:00:01 4kN >1...Kc7 2.e5 b5 3.e6 b4 4.e7 Kd7 5.Kf7 b3 6.e8Q+ > ² (0.46) Depth: 7/10 00:00:01 7kN > +- (9.10) Depth: 8/12 00:00:01 16kN, tb=1 >1...b5 2.Kf7 b4 3.e5 > ± (1.39) Depth: 8/12 00:00:01 26kN, tb=1 >1...Kd7 2.Kf7 Kd6 3.Kf6 Kd7 > ± (1.03) Depth: 8/12 00:00:01 32kN, tb=6 > = (0.00) Depth: 11/17 00:00:01 106kN, tb=58 >1...Ke8 2.Ke6 b5 3.Kd5 b4 4.Kc4 > = (-0.15) Depth: 11/17 00:00:01 132kN, tb=68 > +- (2.64) Depth: 12/19 00:00:01 259kN, tb=151 >1...Kd7 2.e5 Ke8 3.Ke6 b5 4.Kd5 Kf7 5.Kc5 Ke6 6.Kxb5 Kd5 7.e6 Kd6 8.Kc4 Ke7 >9.Kd5 > = (0.00) Depth: 12/19 00:00:01 333kN, tb=251 > +- (3.79) Depth: 16/27 00:00:35 29779kN, tb=2526 >1...b5 2.Ke5 Kc7 3.Kd5 Kb6 4.e5 b4 5.e6 Kc7 6.Kc4 Kd6 7.Kxb4 Kxe6 > +- (3.23) Depth: 16/27 00:00:38 32507kN, tb=3093 > +- (#30) Depth: 23/45 00:04:23 227633kN, tb=40595 > >I believe the mate in 30 is correct. Note that my yace did not use all the tablebases(it used the important KPP vs KP but it did not use other tablebases that may be important(for example KPPP vs K) Uri
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