Author: Günther Simon
Date: 07:10:30 02/27/06
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On February 27, 2006 at 09:36:43, Alessandro Scotti wrote: >Thanks a lot Uri, this is an excellent definition to use in a program! > >On February 27, 2006 at 09:07:34, Uri Blass wrote: > >>definition is simply open pawn that is not a passed pawn and has a friendly pawn >>that can support it for every square in the promotion path that does not make it >>a passed pawn (for example white a4 b4 against black a6 but not white a5 b4 >>against black a6 because a5 cannot support b5) >> >>Uri This is not always true. The pawn a5 can still support b5 sometimes. Here White still moves b5! and gets a supported passer on b6, because Black has to move its King nearer. As White is still in the square of Blacks passer it is an easy win for White. [D]8/8/p3k3/P6p/1P6/4K3/8/8 w - - 0 1 Guenther
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