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Subject: Re: KRBKNN ... and KRNKNN

Author: Sune Fischer

Date: 13:14:02 04/29/04

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On April 29, 2004 at 15:47:33, Helmut Conrady wrote:

>On April 29, 2004 at 15:02:28, Robert Hyatt wrote:
>
>>On April 29, 2004 at 10:48:52, Helmut Conrady wrote:
>>
>>>On April 29, 2004 at 10:32:45, Vincent Diepeveen wrote:
>>>
>>>>On April 29, 2004 at 09:02:39, Victor Zakharov wrote:
>>>>
>>>>>>What do you think about the 50 move rule in computer chess, Guy? Any chances to
>>>>>>modify it for computer games?
>>>>>>
>>>>>>Helmut
>>>>>
>>>>>My opinion that rules will be fixed one day when tablebases will be more common.
>>>>
>>>>A 25 move rule would be more approriated indeed as the 50 move rule.
>>>>50 moves is just too long knowing that it just causes forfeits at the internet
>>>>online chess player. Other uses the 50 move rule doesn't really have.
>>>>
>>>>Shortly FIDE had extended it to 75 moves, but that was changed back soon
>>>>afterwards to 50 moves again.
>>>>
>>>>I doubt they will ever change it.
>>>>
>>>>If they change it, it will be 25 moves sooner than 75 moves.
>>>
>>>IMO that would contradict the spirit of chess. Why not allowing to win a won
>>>position?
>>>
>>>Helmut
>>
>>Suppose you and I reach and ending that is won for you in 270 moves.  But you
>>don't know how to do it.
>
>
>No human and no engine without tbs can find a mate in 270. But if the side to
>win has installed Tbs and they show a mate, the arbiter may not stop the game at
>this point!

They only show a mate because they don't know about the 50 move rule, in a sense
they are buggy.

Besides we don't want different rules for men and machines, it should be the
same game we play.

-S.
>Helmut



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