Author: Peter Kappler
Date: 20:28:37 05/19/00
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On May 18, 2000 at 23:30:31, Jon Dart wrote: >Here is an interesting game played a few days ago. Arasan >went for 26 .. Bxg3, getting 2 pawns for a piece and what >looks like an attack. But the queen can be chased off, >with advantage to White. Crafty does not like Bxg3 at all >but I think many programs will find it attractive, and the >consequences are far out enough that they may be hard to >see. Anyway, I would be interested to know what othre programs >do here: > >[D] r2r2k1/ppqn1p1p/4p1p1/1P1n4/1P3b2/P2B1NPP/4RP2/BQ1R3K b - - > >--Jon This is a good test position. Grok likes Bxg3, but I think it's a very weak move - one that most humans would reject immediately. Black's pieces aren't at all poised to execute a kingside attack in this position, and by giving up that bishop he is inviting big trouble on his own dark squares. Seems like programs that play Bxg3 here are over-emphasing the importance of kingside pawn cover, and/or aren't aware of the relative easy/difficulty with which the white/black pieces can move to the kingside. Of course, that kind of knowledge is expensive to add to a king safety routine. Nice to see a somebody posting a position where the sac *doesn't* work for once. :-) --Peter
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