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Subject: Re: perpetual check

Author: Steve Maughan

Date: 05:38:48 10/16/01

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Steffen,

Goliath 1.5 instantly says it's a draw.  Goliath is good at these type of
positions as it has some sort of speculative draw heuristic which sometimes
works and sometimes doesn't - in this case it works well.  I assume, but don't
know for sure, that it works something like - "if the last six moves (12 ply)
were all checks and no captures then assume that it's a draw"

Regards,

Steve

>Hi,
>
>this is a position from a blitz game Hossa - Sjeng:
>
>[D]7k/4QP2/7p/6rP/8/1K6/6r1/8 b
>
>For a human it's obvious that this is a draw. Hossa was rather clueless and
>thought that white was winning. Are there any engines which show a draw value at
>once (without significant search depth)?
>
>Greetings,
>Steffen.



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