Author: Gabor Szots
Date: 05:01:28 12/01/03
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
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