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Subject: Re: null-move in PV?

Author: Robert Hyatt

Date: 06:35:46 11/20/98

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On November 20, 1998 at 06:28:01, Inmann Werner wrote:

>
>Do you really make null moves in the PV. How do you manage, that Null moves do
>not get into the PV?
>
>Werner


Because when we do the null-move search, if it fails high we return beta
which means it *can't* get into the pv (failed high).  If it doesn't fail
high, we ignore it and do a normal search, which means something else will
get into the pv with the null-move being ignored totally.



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