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Subject: Re: Question for Chess Programmers

Author: Will Singleton

Date: 19:37:26 12/21/98

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On December 21, 1998 at 22:15:49, Robert Hyatt wrote:

>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.

Bob,

You use this by stuffing the pv into the hash table, right?

Will



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