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Subject: Re: Isn't it an easy case?

Author: Gabor Szots

Date: 22:58:15 12/01/03

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On December 01, 2003 at 10:19:34, Robert Hyatt wrote:

>On December 01, 2003 at 09:21:21, Gabor Szots wrote:
>
>>On December 01, 2003 at 09:14:41, Roger D Davis wrote:
>>
>>>On December 01, 2003 at 08:01:28, Gabor Szots wrote:
>>>
>>>>If an engine is unable to claim draw on repetition, then it is not a draw if the
>>>>opponent plays on. Not a draw even if the same position repeats 10 times.
>>>>If the GUI claims the draw, it is as if a spectator would have claimed it,
>>>>therefore invalid.
>>>>
>>>>It seems to me that Jonny did not recognize draw because it accepted Shredder's
>>>>next move. In this case Shredder was EXTREMELY LUCKY, but nothing illegal or
>>>>unethical happened.
>>>>
>>>>I think it is unimportant that the GUI claimed the draw only when the position
>>>>had in fact repeated 3 times. In a human tournament, if I make my move, STOP THE
>>>>CLOCK, and call the arbiter, my draw claim is still valid. But without the claim
>>>>of the player himself, NOT EVEN THE ARBITER has to right to declare a draw. This
>>>>is what saved Shredder. An unlucky blow for the Fritz team.
>>>>
>>>>Gábor
>>>
>>>The Jonny author may well have chosen to let the interface catch the draw,
>>>rather than duplicate that functionality in his engine.
>>
>>In human chess, am I allowed to tell my kibitz (or the arbiter) to warn me if
>>the position is a 3-fold repetition?
>
>No, but suppose the left side of your brain does the chess analysis while the
>right side processes the visual input of the board.  Does that mean you can't
>use the left side of your brain to claim draws, that the right side has to do
>that?
>
>The gui and the engine and the computer itself are _one_ entity for this
>event.


Yes, but see my answer to Alistair.


>
>Otherwise, can you use the monitor to display moves?  It isn't a part of
>the engine, after all...  If you use the monitor, you _must_ trust the
>GUI as well, as that is the interface between the engine itself and the
>monitor.
>
>this reasoning is simply flawed.
>
>
>>
>>>
>>>Roger



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