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Subject: Re: Perpetual check/repetition test position

Author: Steve Maughan

Date: 05:19:01 01/24/03

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James,

>Chess Tiger seems to see the draw but still refuses to drop
>it's score to zero.  I wonder if this is a bug in Chess Tiger?

I don't think this is bug.  I think CT is using a draw heuristic to spot the
potential perpetual so will only set the score to zero if it really find a
forced draw.  Another explanation is that CT doesn't like draws!

Regards,

Steve



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