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Subject: Re: Null-Move: Difference between R = 2 and R = 3 in action

Author: Dann Corbit

Date: 13:19:32 07/15/02

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On July 15, 2002 at 16:09:57, Gian-Carlo Pascutto wrote:
[snip]
>Have a foolproof method for identiefying zugzwang?

Sure.

Never bother analyzing the root node.  Analyze all forward nodes from the root
instead at ply zero [from current].

If every evaluation is worse than the current evaluation before analysis, then
you are zugzwang.

It's also handy for move ordering.




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