Author: Heiner Marxen
Date: 07:03:11 07/05/01
Go up one level in this thread
On July 03, 2001 at 09:13:39, leonid wrote: >On July 03, 2001 at 05:47:02, Angrim wrote: > >>On July 02, 2001 at 15:10:18, leonid wrote: >> >>>Hi! >>> >>>This mate could be fun to resolve: >>> >>>[D]R1N1N2k/2qqqqbb/1nQ2q1r/2Q2qQ1/1nQ2q2/1QQQQq1r/1BB5/K5QR w - - >>> >>>Please indicate your result. >>> >>>Thanks, >>>Leonid. >>proved that move g5xg7 wins, 11 turns >>PN2:2020634 evals, 39222 expands, 13.15 seconds > > >Excellent time! Only what is "one turn"? One move? > >I do ask this because my program found that mate existe between 12 and 9 moves. >First 8 moves my program looked by brute force. Mate was found in 12 by >selective. If your result signify that mate was found in 11 moves then shortest >mate is between 9 and 11 moves. > >Leonid. Chest says "No solution in 9 moves", using 69.4 minutes on a K7/600 with 350 MB hash. I have started depth 10, but it will need 10 hours or more. Heiner
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