Author: Len Eisner
Date: 14:53:06 12/20/99
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On December 20, 1999 at 16:52:07, Torstein Hall wrote: >On December 19, 1999 at 20:10:59, Len Eisner wrote: > >>In the following endgame position, Fritz 6 plays f7?? I know this is the >>tablebase at work but it seems strange to me. And after …a2, Fritz 6 plays >>Kg2?? which also look weird. Then after Black queens the pawn with a1-Q, Fritz >>6 goes out of the table base and plays f8=q which is only good for a draw >>according the Thompson database on the Fritz 5 CD. If I had the Nalimov QPvsQ >>tablebase, Fritz 6 would have played g8=q and won. But that table base does not >>come with the program. >> >>I created this position to test the table base. It did not arise in an actual >>game. >> >>wKg1,Pf6,g7/bKb5,Pa3 >> >>Len > >Strange, My F6 plays g8Q, says that its check mate in 7 and do not hit the >tablebase at all. Are you sure you not are playing in sparring mode, friend mode >or other weak mode? > >Torstein My Fritz 6 plays f7 in analysis mode and announces mate in 13! If I set it for the long game level 40/40 it moves immediately and announces mate in 25! I have the tablebases from Hiarcs 7.32 loaded on my hard drive. I'm not actually using the ones that came on the F6 CD. I wonder if that could account for the difference. Len
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