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Subject: Re: Question for Chess Programmers

Author: Robert Hyatt

Date: 19:15:49 12/21/98

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On December 21, 1998 at 20:09:34, James T. Walker wrote:

>Hello,
>I have noticed on most all programs that when the program finds a "Mate in 12"
>it shows up in the score and the program makes it's move.  The question is:  Why
>can't you save the PV and if the opponent makes the next move in the PV then why
>can't you continue with the PV without doing another search.  Then continue on
>until the opponent is either mated or breaks the original PV.  It seems to me if
>you were in time trouble you might lose on time by searching when the moves to
>mate are already known.  I guess since none of the programs I know of do this,
>there must be a reason for it.  Can someone enlighten me?
>Jim Walker

This is how crafty should work normally.  IE when I complete a 12 ply
search, I make the first move, assume the second move, and still have a
perfectly good 10-ply search result left over.



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