Author: Dieter Buerssner
Date: 11:30:20 05/30/05
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On May 29, 2005 at 12:44:10, Gian-Carlo Pascutto wrote: >You can just do the SE searches after the nullmove, no problem there? This is an interesting point. I think, the biggest disadvantage of nullmove in general is not the Zugzwang problem, but hiding tactics. My favorite example (without a really concrete position) is a situation with bKg8, bPf7, g6, h7. White has a pawn or a bishop on f6. Assume white has to do some queen walk, say qd3-qh3-qh6-qg7#. After each queen move, black null move can fail high; certainly it can faíl high more than once during such a walk. This would eat something like 6 plies (or more) from your depth, making rather easy tactics very deep. From SE, one would hope, that it helps here. When you delay it after the null move, it will help zero in such a situation. Regards, Dieter
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