Author: Gabor Szots
Date: 22:58:15 12/01/03
Go up one level in this thread
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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