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Subject: Re: DeepBlue && SingularExtensions && !Nullmoving

Author: Thorsten Czub

Date: 02:56:07 10/16/02

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On October 16, 2002 at 05:00:53, Gian-Carlo Pascutto wrote:

>On October 16, 2002 at 03:47:01, Vladimir Medvedev wrote:
>
>>In his online interview Mr. CrazyBird told that DB did not use nullmoving
>>because it is not compatible with singular extensions. Could somebody explain
>>what are "singular" extensions (which difference with general meaning of
>>extensions technique? Are singular extensions used only for one move in the
>>node, while "common" - for all moves from the node? )
>
>Singular extensions means extending a move if it is the only 'good'
>one in a position, for example if it is better than all other by
>half a pawn.
>
>>Why are they incompatible with nullmoving?
>
>I have no idea what CB was thinking about. I use them, and
>I use nullmove, and it works fine.
>
>--


don't you think that much resources got wasted by SEX ?


>GCP



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