Author: Len Eisner
Date: 08:23:29 01/02/00
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On January 02, 2000 at 01:38:57, Anthony Boynes wrote: >Interesting. Crafty 17.5 chooses Kb1 after 2 minutes and 44 seconds on my PIII >450, with 48MB hash. Which version of Crafty did you use? > > >On January 02, 2000 at 01:05:50, Len Eisner wrote: > >>Which programs can resist playing Qxg7 in the following position? >> >>2k4r/ppp2Qpp/8/q1b1p1P1/1r2Bn1P/1P1P4/P1P2P2/2KR2NR w - - 0 18 >> >>After Qxg7, white is lost. For example, ...Rd8, Bf5 kb8, Kb1 Qa3, Rc1 Ra4! >> >>Fritz 5 & 6, Hiarcs 7.32, and Junior 5 avoid Qxg7 and play Kb1. Crafty plays >>Qxg7. I let each program think for 3 minutes on a PIII 500 with a 128 mb hash >>table. >> >>Len I tested Crafty 17.04 using the Fritz 6 interface. Perhaps the winboard version of Crafty 17.04 would find Kb1. I assumed both versions would play the same move. In any case, I tested the Chessbase version of 17.04 again using Fritz 6, this time for 10 minutes, and it still prefers Qxg7. It shows an evaluation of +-1.26 at Depth 11. Len
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