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Subject: Re: mate extension

Author: Carsten Kossendey

Date: 05:51:06 01/11/98

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On January 11, 1998 at 01:07:46, Stuart Cracraft wrote:

>Someone on this newsgroup wrote about a useful extension
>that went something like "If the null move search returns
>a mate score, e.g. n moves to mate, then extend."

If you use recursive null moves, you will want to limit it to small N's
since otherwise you start extending lines where your opponent moves 6
times in a row or something, and even the most quiet positions look like
mates then ;)

>I didn't see any improvement (with limited testing) after
>implementing this. Is it basically in time-to-solve or
>seeing more solutions?
>
>Where's the beef?
>
>--Stuart



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