Author: Robert Hyatt
Date: 07:19:34 12/01/03
Go up one level in this thread
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. 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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