Author: Sune Larsson
Date: 10:46:32 02/25/01
[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
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