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Subject: Re: KRBKNN ... and KRNKNN

Author: Sune Fischer

Date: 14:33:16 04/29/04

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On April 29, 2004 at 17:17:13, Helmut Conrady wrote:

>On April 29, 2004 at 16:14:02, Sune Fischer wrote:
>
>>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.
>
>There ARE differences: humans e.g. are not allowed to use opening books or
>tablebasese during a match ...

Computers don't read books they read files,
humans just have a different internal file system. :)

Seriously though let's not go down that road, it's not even a real rule of
chess.

-S.
>Helmut



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