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Subject: Re: Shortest mate?

Author: F. Huber

Date: 09:43:15 05/22/05

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On May 22, 2005 at 12:08:32, David Dahlem wrote:

>On May 22, 2005 at 03:51:47, Kurt Utzinger wrote:
>
>>On May 21, 2005 at 10:54:12, David Dahlem wrote:
>>
>>>What's the shortest forced mate from this position, and can any engine find it
>>>without tablebases?
>>>
>>>[D]2KB4/1P6/2k5/8/8/8/7b/8 w - - 0 1
>>>
>>>Regards
>>>Dave
>>
>>      No engine (excluding mate searchers) will be able
>>      to find the mate in 27 withouth EGTB.
>>      Kurt
>
>Thanks Kurt
>
>Why is this so difficult for engines? White Queens the pawn on move 13, and the
>rest is easy. :-)
>
>Regards
>Dave

Hi Dave,

do you have an idea how many moves of the bishops (and kings) are possible
within these first 13 moves (=26 plies!) ???

I´m sure you have ... ;-)

Regards,
Franz.



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