Author: James T. Walker
Date: 05:51:47 01/13/99
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On January 12, 1999 at 23:53:32, Robert Hyatt wrote: >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? Now you've confused me ! The post above as you can see says KRP vs krp which I intended to mean White had King + RooK + Pawn vs black's king + rook + pawn. At that point Crafty messed around and lost it's pawn and eventually the game. Jim Walker
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