Author: Uri Blass
Date: 10:13:43 12/10/02
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On December 10, 2002 at 12:28:06, Daniel Clausen wrote: >On December 09, 2002 at 11:15:35, Dieter Buerssner wrote: > >>On December 09, 2002 at 09:55:50, Robert Hyatt wrote: >> >>>Some have tried. Monty Newborn had a pawn-endgame-only program called >>>"peasant." It >>>couldn't do this one either... >> >>The program Wilhelm by Rafael B. Andrist will solve it at ply 1 (score +1.8). It >>did not switch away in few minutes. It has, according to its author, >>sophisticated knowledge about corresponding squares. >> >>When I do Kb2 on the board, Wilhelm shows 0.0 immediately. >> >>Regards, >>Dieter > >If I remember right, Rafael once mentioned in CCC, that his program knows what >'Gegenfelder' are. Not sure what the English term for that is though. But it's >the theory, where you know that if whites king is on square X, blacks king has >to be on field Y, in order to hold the draw. > >A very good example in my opinion, which shows what one can do in an engine with >chess knowledge. In Fine70s position, it's not just 'pure luck' that Kb1 wins, >whereas Kb2 only draws... > >Sargon No way to know it by evaluation unless you do some search in the evaluation function. Humans without previous knowledge about this position can find it by search. The search does not have to be a normal search as if I do x the opponent does y but it is still a search to find the right square for the black king when the white king is in some square. Uri
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