Author: Uri Blass
Date: 14:46:49 12/08/01
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On December 08, 2001 at 17:23:06, leonid wrote: >On December 08, 2001 at 15:40:29, Heiner Marxen wrote: > >>On December 08, 2001 at 10:27:55, leonid wrote: >> >>>[D]2R2R2/Q6Q/B1nqqn1B/N1qkqp1N/Q1qqqp1Q/Q1rrbb1K/Q6Q/2N2N2 w - - >>> >>>Please indicate your result. >>> >>>Thanks, >>>Leonid. >> >>Chest says: No solution in 9 moves. K7/600, 350MB, 2.9 hours. >>Since the EBF is around 10, I stopped here. > > >Thanks, Heiner! > >Now I know that this is mate in 10. Could hardly expect to see 9 moves deep >since my 8 moves, by brute force, took already 1 hours and 53 sec. Mate was >found by selective in 10 moves. > >Cheers, >Leonid. Here are the results of my program on p800(perft 5 is the number of legal games of 5 plies) perft 4=15444557 time 2.133 seconds perft 5=1260017972 time 119.571 seconds yace agrees about the numbers and I know of no bugs of the program(I already corrected the known problem of the enpassant that is not relevant here) I still suspect that there are unknown bugs because the program is very complicated. Uri
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