Author: Chuck
Date: 16:13:12 02/25/01
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On February 25, 2001 at 13:46:32, Sune Larsson wrote: > > [D]8/5p1k/r5pp/P7/3R3P/6P1/5PK1/8 w - - 0 1 > > > 1927 Alekhine won the 34th game in the battle vs Capablanca to become > World Champion. He did it by playing 1.Ra4! in the above position. > Black's rook has to block the pawn and white has at his disposal an > endless reserve of rook moves along the a-file. Again, the future for > black spells "Zugzwang". The general rule is that a passed pawn should > be supported by a rook from the rear. That's why ideas of 1.Rd5? are > wrong. This is a knowledge that have to be implemented in many chessprograms. > I have seen numerous examples of trying to support such a pawn sideways. > > What would your favourite program play? > > Sune Hiarcs 7.32 also selects Rd5, scoring it +2.14 at depth 17/30 with tb=3371. Chuck
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