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Subject: Re: null move improvement ?

Author: Gian-Carlo Pascutto

Date: 07:06:16 03/31/02

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On March 31, 2002 at 08:55:54, Klaus Friedel wrote:

>>You have a knight on e5 that is attacked by a pawn. If you nullmove now,
>>you are assuming that any move would be better than not moving. In reality,
>>the best you can do is retreat the knight to f3 where it will get a smaller
>>bonus from the piece-square tables. The NMO will fail, because not moving
>>would have given you a higher score than moving.
>
>I can't follow your example... If the knight doesn't move qsearch will get a
>score far below the score you get by moving to f3. So not moving won't give a
>higher score than moving.
>
>Klaus

Substitute 'if you nullmove now' by 'if you standpat now in that case.

The general idea is that the NMO fails more often than only in
zugzwang situations.

--
GCP



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