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Subject: Re: Endgame position revisited...

Author: Tom Likens

Date: 15:58:21 04/23/02

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On April 23, 2002 at 13:11:40, Robert Hyatt wrote:

>On April 23, 2002 at 13:00:30, Gian-Carlo Pascutto wrote:
>
>>On April 23, 2002 at 12:40:09, Robert Hyatt wrote:
>>
>>>Here is an endgame position posted a week or so:
>>>
>>>[D]1b6/8/8/7p/6k1/6P1/8/6K1 w - - 0 1
>>
>>Truly an 'amazing discovery'. Breaks mine, breaks the Yace I have,
>>breaks pretty much most programs with this knowledge I guess...
>>
>>--
>>GCP
>
>
>The really strange thing is that this is drawn no matter where you put
>the black pieces.  But the search can force the stalemate way into the
>future and break most any search that doesn't handle stalemates in the
>q-search...  and none of my programs have ever done that so they would
>all fail.  I even tried Cray Blitz and it had the identical problem...

This is why I continue to pursue this most esoteric of hobbies.  The fact
that such a "simple" position could give a modern engine problems is why
computer chess programming has held my attention for *years*!!

regards,
--tom




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