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Subject: Re: 50 move rule question

Author: Will Singleton

Date: 11:40:08 04/20/99

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On April 20, 1999 at 14:10:20, blass uri wrote:

>
>Some programs knows that it is a draw but instead of stopping to play and claim
>that it is a draw they start to do stupid mistakes and lose the game.
>

Yes, my program used to do that.  Once past 50 (either actual or in the search),
it would think all moves were equivalent, and would pick whatever happened to be
first.  Now I take into account potential loss of material.

There is a similar bug some progs have, that when a repetition is found, it
doesn't consider whose move it is.  So, it might move into a repeat position and
score it a draw, except that when the position occurred before it was the progs
turn to move, and now it's going to lose its piece.

Will



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