Author: Heiner Marxen
Date: 12:54:40 06/02/02
Go up one level in this thread
On June 02, 2002 at 08:20:52, leonid wrote: >On June 02, 2002 at 05:20:35, Tim Foden wrote: > >>On June 01, 2002 at 08:45:35, leonid wrote: >> >>>[D]Kn4QQ/RNQQQQQ1/nqrqqp2/qNRQq3/kBBp4/rbq5/Pb6/q7 w - - >>> >>>Please indicate your result. >> >>GLC 2.18, 24MB Hash, AXP 1.46GHz, finds that Bxb3+ is a mate in 10 after 21.04 >>seconds. >> >>Cheers, Tim. > >Thanks, Tim! > >Since I see that you found mate at 10, I will try later at the same depth but >with much deeper selective. Before I used my usual, almost default selective >that make search at reasonable time. It is "mixed search" where initial brute >force search goes the most 3 moves deep (6 plys) before switching to "real >selective". I will try later to search 4 and 5 moves (8 and 10 plys) by brute >force before starting "real selective". > >Cheers, >Leonid. And according to Chest there is no mate in 9 (2 hours on K7/600, 350 MB hash). Since the EBF has increased up to above 18 in the last 2 depthes, it may take some time for Chest to complete depth 10. I'll follow-up, then. But so far it appears to be a mate-in-10 for sure. Cheers, Heiner >
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