Author: Albert Silver
Date: 11:12:02 02/27/00
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On February 27, 2000 at 10:52:43, Manfred Schubert wrote: >>>I do not know about cases when it practically happened in games. >>> >>>Uri >> >>I disagree. These are basic chess rules and if the program does not recognize >>this, then it is not properly compliant to the game. How is 'low probability' >>going to justify a program declaring a position drawn when it is not? I don't >>think one can go about choosing which rules of chess the program will respect or >>not. In any case, I have seen a case with two masters playing in which one >>player was given a warning for declaring a draw improperly. >> >> Albert Silver > >There is a difference between detecting it in the search tree (which is not very >important because it is not very probable) and claiming draw too early in the >move list (where there is enough time to apply the correct rules). True, and Uri said he thought the knowledge (there was no mention of this being only subject to detection in the search) was unimportant as there was a 'low probability' of this taking place. Personally, I don't care if the program detects it in the search or not, but I do care if it declares the game a draw incorrectly. Furthermore, even if the program does not refuse to play after declaring the 'draw', what will happen when a real case of 3-fold repetition takes place later in the game? Albert Silver > >Manfred
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