Author: Mihaly Szalai
Date: 09:26:38 08/21/03
Go up one level in this thread
On August 21, 2003 at 10:34:59, Jaime Benito de Valle Ruiz wrote: >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 Jaime, interesting: Junior 8 sees this mate on my Celeron 1.7 GHz. Mihaly
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