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Article #5059

Zero window searching in gnuchess

#5059
From: Joel Rivat
Date: Mon, 28 Mar 1994 12:22
18 lines
1383 bytes
>I agree with your analysis.  The thing is that in gnuchess, the alpha-beta
>implementation is such that a beta cut is obtained when score > beta
>instead of the more traditional score >= beta.  Hence my suggestion does
>seems to be okay.

>Perhaps it should be changed to following the more traditional alpha,beta
>algorithm.

>Kong Sian


   If gnuchess is designed to be an example of chess programming,
it should be as traditionnal as possible...
   So your suggestion is probably correct for the current gnuchess,
but will make things more confusing in the future...
   Your last suggestion is best possible...

    Joel Rivat
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From: rivat@univ-lyon1.fr (Joel Rivat)
Newsgroups: gnu.chess
Subject: Zero window searching in gnuchess
Date: 28 Mar 1994 12:22:38 GMT
Organization: C.I.S.M.  Universite de Lyon 1 / INSA de Lyon
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