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Subject: Re: Null move question

Author: Tony Werten

Date: 00:26:17 07/30/03

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On July 30, 2003 at 02:57:32, Rick Bischoff wrote:

>Hi everyone,
>
>I am trying out null move and am running into a problem-- I am trying the null
>move when beta is still +INF, so what happens is that it calls quies(-INF,
>-INF+1) which will of course fail high.

fail low you mean. It will fail high next ply, and return fail low.

>Is there something else I am missing or
>do I need to avoid null move if beta is +INF?

Yes, it wasts nodes.

Tony

>
>Thanks,
>Rick



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