Author: blass uri
Date: 15:59:41 06/05/00
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On June 05, 2000 at 18:35:10, blass uri wrote: <snipped> >[D]5k2/7K/6P1/1p6/1P3p2/1P6/8/8 b - - 0 1 > >In this position the static evaluation of Crafty is advantage for black because >it does not know that the white pawn cannot be stopped. > >It plays f3 with 4.96 pawns advantage for black at depth 1. >It is possible to know by evaluation that the white pawn also cannot be stopped >because the white king controls g7 and g8 It is possible to use the following simple rule: White pawn in the 6th rank is unstoppable if the white king control the queening square. It is possible to see also by evaluation that black will have to waste tempo and cannot promote the passed pawn because of the square of the black king. Uri
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