Author: Gian-Carlo Pascutto
Date: 06:37:59 06/13/02
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On June 13, 2002 at 09:35:22, Vladimir Medvedev wrote: >Is null move technique always incorrect in pawn endings with zugzwangs? > >I try to implement null moves in my program; and it fails to solve simple >ending: > >White Ke4, Pd4; Black Kd7 -> 1. Kd5 +- > >Without nullmoves my program sees winning on ply 13; with nullmoves it fails to >solve this position. > >Even when I allow two (and no more) consequtive nullmoves it does not help. >I thought that double nullmove should work here, but it seems not... >Why? You'll need at least 4-6 ply more with double nullmove. In any case, I'd disable nullmove in pawn endings. They're all about zugzwang anyway. -- GCP
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