Author: Ricardo Gibert
Date: 06:27:08 11/13/00
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On November 12, 2000 at 21:17:53, Howard Exner wrote: >On November 12, 2000 at 18:41:13, Ricardo Gibert wrote: > >>Here is an endgame study that I think everybody will find entertaining: >>[D]8/1p6/1p6/2k4P/7P/5ppK/7P/8 w - - 0 0 >> >>Fritz4 is hopeless in solving this position. I was wondering if newer engines >>with 5-man EGTBs would stand a better chance of solving it. >> >>Hint: White Queens all three of his pawns. > >This is what Tiger 13 produces when given 5 seconds per side using an Athlon >900. > >1.Kxg3 Kd4 2.h6 Ke3 3.h7 f2 4.h8Q f1Q 5.Qe5+ Kd2 6.Qd4+ Kc2 7.Qf2+ Qxf2+ 8.Kxf2 >b5 9.h5 b4 10.h6 b3 11.h7 b2 12.h8Q b1Q 13.Qh7+ Kc1 14.Qxb1+ Kxb1 15.h4 1-0 > >Is this on the right track? This is all correct and it cooks Kashdan's solution to boot! He gives 6.Qf4+ instead. See my response to Hyatt's post in this thread. Unfortunately, the idea was to see if programs could find the correct line from the beginning position. You got lucky with the method you used. If it were really a reliable way to analyze a position, chess programs would perform their searches in a very different way than they do. I think without EGTBs, it is a tough position for programs, though Crafty came tantalizingly close to producing a correct variation.
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