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Subject: Re: not using nullmove?

Author: Uri Blass

Date: 09:33:02 02/13/04

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On February 13, 2004 at 12:28:26, Mike S. wrote:

>On February 13, 2004 at 11:07:02, Tord Romstad wrote:
>
>>(...) That several of the top commercial
>>programs do not use null move (at least not in the conventional way) is
>>further evidence that it is possible to come up with something better.
>
>Are you sure that there are top engines which don't use nullmove? Maybe they
>"just" combine it with some zugzwang detection, or switch it off depending on
>the amount of material earlier than other engines...

Junior is not using null move pruning.

Uri



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