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Subject: Re: Double Nullmove

Author: Andreas Herrmann

Date: 10:26:19 04/25/02

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On April 25, 2002 at 11:58:53, Russell Reagan wrote:

>What is double null move? I assume it's playing two null moves one after
>another, but how is it used to detect zugzwang?
>
>Russell

The first null move is for detecting a zugzwang. This first nullmove you have to
make with a reducing + 1. Excample: if your normal null move uses R=3 then use
for the first detecting null move  R=4.
Only if the first null move responds a value >= beta then you do the second null
move.

Andreas

• Re: Double Nullmove J. Wesley Cleveland 14:14:26 04/25/02
  • Re: Double Nullmove Andreas Herrmann 14:55:23 04/25/02
• Re: Double Nullmove Rudolf Huber 11:08:57 04/25/02
  • Re: Double Nullmove Andreas Herrmann 11:27:52 04/25/02
    • Re: Double Nullmove Rudolf Huber 12:09:16 04/25/02

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