Author: Heiner Marxen
Date: 14:01:10 01/06/02
Go up one level in this thread
On January 05, 2002 at 11:28:41, leonid wrote: >On January 05, 2002 at 10:10:09, Gian-Carlo Pascutto wrote: > >>On January 05, 2002 at 08:54:04, leonid wrote: >> >>>[D]3k1q2/2nnrr2/1qBNRNq1/qQRQBqQP/qQqqqQ1Q/1bb1Q3/4P2K/8 w - - >>> >>>Please indicate your result. >>> >>>Thanks, >>>Leonid. >> >>'Trivial' >> >>P: 0 D: 1705103883 N: 243144 S: 243143 Mem: 6.49M Iters: 3112 MaxDepth: 31 >>Time : 1.830000 >>This position is WON. >>PV: d6f7 d8c8 c6d7 e7d7 c5c7 c4c7 b4f8 d7d8 f8d8 c7d8 e6c6 d8c7 c6c7 b6c7 f4f5 >>c7d7 f5d7 >> >>1.8 seconds > >Selective time is excellent and slightly better that mine. For mine it was 1.97 >sec. 13 moves. Celeron 600Mhz. No hash. > >It is still possible that somebody will find shorter mate by selective, or by >brute force. Heiner have good chance to go far that me by brute force. When I >galanced by curiousity into "Chest" result, even for identical conditions, its >branching factor was better. With hash it have chance to look up to the end. > >Cheers, >Leonid. > >>GCP Hello Leonid, Hello Gian-Carlo (aka Mr.'Trivial' :-) ! Bad luck for Chest, this time. It does not find a mate in 10, but needs already over 5 hours for that and the EBF gets worse: # 4 0.10s [ 5.00] 4kN [ 7.08] 1.07 508- 0 # 5 0.63s [ 6.30] 26kN [ 6.31] 1.27 3209- 0 # 6 3.69s [ 5.86] 158kN [ 6.00] 1.46 19409- 0 # 7 18.73s [ 5.08] 809kN [ 5.12] 1.74 95826- 0 # 8 137.70s [ 7.35] 6881kN [ 8.50] 1.87 666312- 0 # 9 1356.73s [ 9.85] 73147kN [ 10.63] 1.98 6076071- 110972 # 10 18922.80s [ 13.95] 1048759kN [ 14.34] 1.88 79356137- 70608236 Currently I let it run on depth 11 with estimated 3 days to go. An increasing EBF sometimes indicates that a solution is near. (All this on my K7/600). Cheers, Heiner
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