Author: Jaime Benito de Valle Ruiz
Date: 07:34:59 08/21/03
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On August 21, 2003 at 10:10:54, Mihaly Szalai wrote: >[D]8/8/8/4p1p1/6N1/5p1p/5K2/7k w - - 0 1 > >All the programs I've tried see the mate >except Junior 7 and 8. They go to depth=63 >and score=0.00 in a few seconds then stop. >Why? One knight is not enough to mate? Even more susprising: [D]8/8/5N2/8/6p1/8/5K1p/7k w - - 0 6 6. Nxg4 (0.00) Depth 21 tb=11693 [D]8/8/8/8/4N1p1/8/5K1p/7k b - - 0 6 6...g3+ 7. Nxg3# Depth 3 It appears that it must be "thinking" that king & knight cannot mate, and its aggresive pruning system must discard most of the options!!! It's just a guess, of course. Regards, Jaime
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