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Subject: Re: Null move R=3

Author: Bruce Moreland

Date: 19:11:22 08/09/01

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On August 09, 2001 at 17:20:26, Miguel A. Ballicora wrote:

>I am doing something different that ends up to be similar in concept.
>I do a regular nullmove, but if it fails high, I do not return beta, I just
>reduce the depth = depth-(R+1) and do a normal search.
>So, you do first a shallow search and then a nullmove. If both fails high, you
>cut off. I do a nullmove and then a shallow search, If both fails high I cut
>off. I avoid too the problems with zugswangs. Your case might be better in those
>cases when the shallow search does not fail high, because you do a search at a
>normal depth later. However, in my case I just have to rely on the result of the
>shallow search.

What does this do to the size of the tree?

bruce



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