Author: Dieter Buerssner
Date: 10:13:57 06/28/02
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On June 28, 2002 at 03:32:35, Gian-Carlo Pascutto wrote: >Robert, do you have any idea why Crafty does so well here? I don't know how Crafty does it. I would guess that a rule including: A K is helpless to stop 2 passed pawns at least 4 files apart (for example a/d). So one could give really large positional scores for this. I have somewhere some code for it, with which I was not happy already. Quite a long time ago the sharp eyes of Carlos Pesce had seen rather deep in the PV that a winning score of Yace was accompanied with a losing line, just because of this. I tried a fast hack, but I did not try to tune it in or check yet. Passed pawn extensions (not only when pushing to 7th rank) may also help here a lot. Regards, Dieter
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