Author: Robert Hyatt
Date: 09:50:54 09/30/99
Go up one level in this thread
On September 30, 1999 at 12:13:38, Helmut Conrady wrote: >On September 30, 1999 at 10:16:24, Steve McRiley wrote: > >>On September 30, 1999 at 09:53:09, Helmut Conrady wrote: >> >>I think I´ve found a little Tablebase-Bug in Crafty 16.15. Look at this >>>position for example: >>> >>>wKe5, e2, d2; bKa8, d5. >>> >>>After Kd5: there is a postion with PP vs P on >>>the board and (with installesd tablebases!) I expected Crafty to show a >>>mate in several moves. But he >>>is calculating and calculting and shows after minutes something about >>>+10. >>> >>>After Kd5: he announces a correct mate. This phenomenon took place when >>>there is a pawn at the row next to the black pawn (Example: black f-pawn >>>with >>>white e or/and g-pawn) and the white pawn is at its beginning field. >>>When >>>you move this white pawn one or two squares above Crafty has no problem >>>with showing the mate. >>> >>>Is it a problem of Crafty of 16.15 or a problem belonging to Craftys >>>running under the Fritz GUI? >>> >>>Best wishes >>> >>>Helmut >> >>I think you should try to reinstall or something. It works perfectlly for me. >>Mate in #14 and Mate in #13 after Kxd5. >> >>/McRiley >> >>/McRiley > >The Problem is that Crafty have to announce a Mate BEFORE Kd5: like other >engines with Table base access do. > >Helmut I don't follow. for it to announce a mate _before_ Kd5 you have to back up the position so that it has to find a move and produce a score. It won't produce a score for a position until it searches...
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