Author: Heiner Marxen
Date: 11:06:50 08/05/02
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On August 03, 2002 at 08:03:46, leonid wrote: >Hi, > >In it my program was >very slow and I don't know shortest mate. By selective mate was found in 10. > >[D]2bqkb2/1r4rR/nPPPPPPn/1pNppNp1/bNp2pNb/8/8/7K w - - Hmmm, for Chest this was not _that_ difficult: on Athlon 1500+ with 128MB hash Chest needs 12 minutes to find a unique mate in 8: PV: cxb7 Bxe6 Nbxa6 Rxh7 Nc7+ Qxc7 f7+ Rxf7 dxc7 Nxf5 c8=Q+ Bxc8 bxc8=Q+ Ke7 Qd7# Timing info: # 4 0.12s [ 12.00] 28kN [ 18.36] 1.12 1524- 0 # 5 1.33s [ 11.08] 268kN [ 9.60] 1.41 18117- 0 # 6 10.76s [ 8.09] 2044kN [ 7.62] 1.69 178538- 0 # 7 85.97s [ 7.99] 15140kN [ 7.41] 2.04 1604309- 4745 # 8 717.33s [ 8.34] 114984kN [ 7.59] 2.24 13960456- 10761223 I couldn't find anything unusual in Chest's statistics, so I've no idea why this one is slow for you. Cheers, Heiner
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