Computer Chess Club Archives




Subject: Re: About SEE

Author: Steve Maughan

Date: 04:26:19 01/04/01

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>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.


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