Author: Gerd Isenberg
Date: 16:24:01 07/23/04
Go up one level in this thread
On July 23, 2004 at 17:31:10, Uri Blass wrote: >On July 23, 2004 at 16:57:07, Steven Edwards wrote: > >>On July 22, 2004 at 17:58:45, Uri Blass wrote: >>>On July 22, 2004 at 16:49:41, Steven Edwards wrote: >>> >>> >>>I do not understand >>>1) >>>CTGameTermDrawFiftyMoveByBlack, >>>CTGameTermDrawFiftyMoveByWhite >>> >>>Why seperate it. >> >>The 50 move draw claim is made by the last player to move; this stops the clock. > >It can be always made by the side to move and in computer chess immediatly >before the move that it plays in case of 100 plies without conversion and no >checkmate and immediatly after the move in case that the move that the program >plays is the move that cause 100 plies with no conversion. > >The way that movei claims this draw is by printing the string >Movei->draw by the fifty move rule 1/2-1/2 or something similiar(I am not sure >if I remember now the exact string) > >Movei does not claim white or black. Same for IsiChess. But after the Graz Shredder-Jonny game, wouldn't it be worth to distinguish between the optional draw claim if a) the three-fold repetition already occured (default) or b) the three-fold did not yet occur, but it may be forced by an intended move, claiming the draw without playing that move over the board. Since draw by three-fold is still optional from both sides, it may even be worth to notice the number of repetitions the draw finally was agreed. Most probably less than 50 ;-) Gerd > >Uri
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