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Subject: Re: Null move reductions

Author: Will Singleton

Date: 11:26:15 10/05/98

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On October 04, 1998 at 21:21:09, Roberto Waldteufel wrote:

>
>Yes, I have noticed more improvement when one move is clearly best than when
>there are many plausible candidates, but I had put that down to the nature of
>the null move! If there are many plausible moves, then that leaves fewer
>terrible moves to cause null-move cutoffs on the next ply. Do you find the same
>effect with R=1 as with R=2? I suspect that nodes with a clearly best move are
>just plain easier to handle than the rest.
>
>Best wishes,
>Roberto


I have have bad luck with R=1, causes things to go weird, something to do with
my search algorithm.  So I can only use R=2.

Will



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