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Subject: Re: crafty fail high problem was Re: A really nasty position

Author: Gian-Carlo Pascutto

Date: 05:56:33 05/31/01

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On May 30, 2001 at 15:14:46, Robert Hyatt wrote:

>3.  When I fail high, I just relax
>beta to +infinity, rather than the tiered approach I used in Cray Blitz.  If
>there are lots of mates here, that are not forced, the program still has to
>search them all out as with +infinity, you get zero beta cutoffs at positions
>where white is to move, until you establish a better beta value after a lot
>of searching.

Silly question...why don't you do it in Crafty? It's not like it's
hard to code, and it gives real benefits.

I use the CB approach after you once described it here or on rgcc and
it's saved my ass a dozen times...

--
GCP



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