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Subject: Re: No Qsearch?

Author: Tony Werten

Date: 00:42:58 08/27/03

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On August 26, 2003 at 18:42:59, Ricardo Gibert wrote:

>In the Richard Lang interview at:
>
>http://www.beepworld.de/members37/computerschach/
>(Just click on the link "ChessGenius Classic 7" in the leftmost column. The
>interview also appears in *English*)
>
>"For example I have never used capture searches and rely instead on a static
>swap off routine."
>
>This seems to indicate that CG does not employ a qsearch. I also understand that
>Junior does something similar. I wonder how this is done? I would presume some
>type of accuracy tradeoff must be involved, but I wonder what? I'm very curious
>about how this is all done and why doesn't everybody do it this way?
>
>How is all the effort that goes into creating a good eval compatible with such a
>handling of non-quiescent positions? It just seems kind of wacky to me.

For Shogi there was an article about it. IIRC they called it "Super SOMA", a
kind of global SEE. It also included checking moves etc.

Tony




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