Author: Dieter Buerssner
Date: 16:47:37 11/26/00
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On November 26, 2000 at 18:19:44, Mike S. wrote: >In general, trading is good for the side being ahead in material. I think, the rule can be better stated, as trading pieces is good, when ahead in material, and trading pawns is better otherwise. >This is basic >chess knowledge, known to most programs. But in the endgame, it's often wrong to >trade the last pawn, if the resulting material doesn't allow to win (a common >rule known from beginner's books is, that even the advantage of a minor piece >usually is not enough to win in a PAWNLESS endgame). My current version (and probably former versions as well) of Yace will move h5 instantly in the position you sent. But it is also risky. Currently I have implemeted this knowledge like: If the "winning side" has no pawns, and only B/N more in pieces, make the score very drawish. Sometimes, this fires back. Recently, I have watched a game Crafty-Yace, where Crafty won KRBB vs. KRB. Also Uri Blass has recognized a game Gandalf Fritz, where Gandalf lost KRNKR, if i remember correctly. Of course, a good set of table bases helps in many of those "surprisingly" won postions. Regards, Dieter
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