Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Question for Chess Programmers

Author: Dann Corbit

Date: 17:41:31 12/21/98

Go up one level in this thread


On December 21, 1998 at 20:18:07, Roberto Waldteufel 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
>
>I can think of no reason at all. My program Rabbit does exactly as you describe
>above and plays the closing moves instantly when a mate is discovered, and
>always has done this from its earliest days. I can't imagine why other programs
>would not do this as well.
Perhaps they are searching for a faster mate.  I would be surprised to see them
do this under time pressure.
For James:
Which programs display that behavior?  Do you have a particular instance you can
display?



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.