Computer Chess Club Archives




Subject: Re: MTD(f) (was Re: New(?) search idea.)

Author: Bruce Moreland

Date: 23:38:52 01/22/98

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On January 23, 1998 at 00:18:18, Don Dailey wrote:

>2. You mentioned extension based on the target score (alpha/beta.)  We
>used to do this and eventually threw these out long ago because they
>do cause problems whether you use mtd or not.  So far our program
>has met your requirements for MTD candidacy!

Isn't null-move forward pruning an example of this nasty alpha-based


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