Author: Uri Blass
Date: 10:54:18 02/09/06
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On February 09, 2006 at 13:27:08, Tony Hecker wrote: > >For example, if I set up this position with an engine (black) to move, I would >expect the engine to claim a 50-move draw, because the FEN string indicates a >half-move clock of 49. Instead the engine moves .. Ka2 and lets white >checkmate. > >[D]8/8/3R4/8/8/8/2K5/k7 b - - 49 120 > >I issue the following commands to a winboard engine: >xboard >setboard 8/8/3R4/8/8/8/2K5/k7 b - - 49 120 >go > >I tried this with a few engines, crafty, zappa, yace, shredder w/ polyglot, all >with the same result. Is there a reason for this I am not understanding? Isn't >it legal to claim the draw here? Anyone know of an engine that claims the draw >in this case? Thanks. Yes The 50 move rule is about claiming a draw after 100 plies with no conversion and not after 50 plies with no conversion. Uri
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