Author: Gabor Szots
Date: 06:15:59 12/01/03
Go up one level in this thread
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. > >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
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.