Author: Robert Hyatt
Date: 07:20:55 12/01/03
Go up one level in this thread
On December 01, 2003 at 09:15:59, Gabor Szots wrote: >On December 01, 2003 at 08:55:59, Drexel,Michael 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. >> >>According to this nearly all computer-computer games that ended in a draw by >>repetition are invalid. > >Not if the claim was made by the engine itself, and it was a correct claim. the engine can't make a claim. It goes through the GUI to display stuff. > >> >>All chessbase native engines are of course not able to claim a draw correctly >>since it is the job of the GUI. > >That's their own business. They start with a handicap in a tournament >deliberately. > >> >>SSDF ratinglist is invalid too since many games ended by a 3-fold repetition >>draw claim of the GUI. > >In this case I would accept what the GUI says because these games are only >played for statistical reasons, so an error margin is acceptable. > >> >>The simple solution is to declare all games with a 3-fold repetition draw. >>Who cares about the FIDE rules? This is computer chess. > >That is of course true. No one said computers must have the same rules as >humans. Still I believe it is better to follow the FIDE rules in this particular >case. > >> >>Michael >> >> >>> >>>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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