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Subject: Re: KR against KQ is draw without tablebases

Author: José de Jesús García Ruvalcaba

Date: 13:00:40 01/27/03

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On January 27, 2003 at 12:42:09, Daniel Clausen wrote:

>On January 27, 2003 at 12:35:50, Georg Langrath wrote:
>
>>I tried to let Chessmaster 9000 play against itself in endgame KRKQ. The side
>>KR with tablebases and the side  KQ without. KQ-side wasn?t nearer checkmate in
>>move 50 than in move 1, even with 3 minutes per move.  It is rather amusing to
>>look at. I think that it is impossible for a computer to solve without special
>>knowledge or tablebases as in the case KBNK.
>>Georg
>
>Now do the experiment again but let a strong human play for the KQ-side and see
>whether the result is any different. ;)
>
>Sargon

A strong player will win this ending after the second or third try if he has not
practised before. It is not really difficult, even a weak player like I can win
against a computer with tablebases after some practise.
José.



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