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Subject: Re: Null-Move: Difference between R = 2 and R = 3 in action

Author: Uri Blass

Date: 06:59:10 07/15/02

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On July 15, 2002 at 08:37:34, Omid David wrote:

>I don't think using double null-move is a good idea in practice, since in
>midgame the chance of zugzwang is negligible and thus it's superfluous (I doubt
>if even DIEP uses it). However the contribution of double null-move is that it
>gives legitimacy to the null-move pruning idea, proving that it _is_ a correct
>search method (anyway, no one doubts null-move nowadays).
>
>Omid.

Junior does not use null move pruning(I know that it did not use it few years
ago and based on Amir's post he worked mainly on evaluation after Junior5).

I wonder if amir tried null move pruning in Junior.

Uri



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