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Subject: Re: About SEE

Author: Severi Salminen

Date: 00:48:14 01/05/01

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On January 04, 2001 at 07:26:19, Steve Maughan wrote:

>>I'm planning on programming SEE into my program today. I'd like to know whether
>>I "should" (well, of course I can do anything I want but) prune all losing
>>captures in qsearch or search them (after the good ones)? And what about equal
>>captures? What I mean is that if I prune, I get a speedup, but I lose a lot
>>positional info if that particular losing capture leads to (say) passed pawn or
>>similar. What do you do?
>I prune like hell!!  Got to get to the next ply ASAP!!


>I prune all losing captures in QSearch but search equal captures.  Haven't done
>too much experimentation with alternatives.

So you prune if eval+see<=alpha? Or do you just check the see value?? Do you use
eval or material as the base value (that is material+see<=alpha)?


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