Author: Robert Hyatt
Date: 20:53:32 01/12/99
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On January 12, 1999 at 11:43:40, James T. Walker wrote: >On January 11, 1999 at 22:55:16, Robert Hyatt wrote: > >>On January 11, 1999 at 19:32:25, James T. Walker wrote: >> >>>I'm getting error messages like illegal move a1-a1 using Crafty 16.3 inside the >>>Fritz 5.32 GUI. Is anyone else having this problem. Crafty 16.2 works fine and >>>I'm happy the auto232 function works also with Crafty 16.x. Crafty seems >>>cripled in this environement without it's own book and end game tablebases. So >>>far (After 29 games at various time controls vs various opponents) its rating is >>>about 110 points below F5/J5. A couple of games F5.32 won using the endgame CD >>>in rook & pawn ending. I guess if it's a win with the CD it does not matter if >>>the other program has it or not. >>>Jim Walker >> >> >>It really makes a difference... because fritz is stuck with the position >>*before* it knows whether it is won or lost, while crafty probes deep in the >>search and gets to choose where it converts to a KRP vs KR ending. It hardly >>ever loses one (in fact it hasn't lost one in months that I know about) and it >>often draws lost ones, and wins drawn ones because of this... > >Yes, I thought about that after putting up the post! I think it was a draw at >one time with KRP vs krp. I think Crafty would have held the pawn and at least >got the draw if it had access to tablebases. >Jim Walker I hope you mis-wrote the above. IE if crafty has a KRP vs KR ending where it has the P, then it is basically impossible to lose the ending, even if the pawn is 'lost'. Or do you mean by "would have held the pawn" it wouldn't have let it advance too far?
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