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Subject: Re: negative extensions

Author: Miguel A. Ballicora

Date: 09:20:46 01/25/01

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On January 25, 2001 at 10:47:11, Ed Schröder wrote:

>On January 25, 2001 at 10:30:37, Gian-Carlo Pascutto wrote:
>
>>On January 25, 2001 at 09:34:05, Robert Hyatt wrote:
>>
>>>This is what null-move search does, in essence...
>>
>>Mnmnm...yes...but...
>>
>>Nullmove does more than just reducing depth, it also
>>does the nullmove! This makes it a lot unsafer than
>>just reducing the depth.
>
>Which is the essence of null-move, lower the depth.
>
>Ed

Doesn't the classic null-move approach just cut a branch rather than
lowering the depth?
Of course, cutting a branch is a particular case of reducing the
depth (the extreme case). I am asking because I think that I am doing
something different...

Regards,
Miguel

>
>
>>If you had said Fail High Reductions I would have
>>agreed, but I don't think you can really call
>>nullmove a negative extension.
>>
>>--
>>GCP



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