Author: Bertil Eklund
Date: 14:20:37 12/21/99
Go up one level in this thread
On December 21, 1999 at 15:53:44, James T. Walker wrote: >On December 21, 1999 at 09:11:08, James T. Walker wrote: > >>On December 20, 1999 at 23:46:37, blass uri wrote: >> >>>On December 20, 1999 at 21:48:29, Len Eisner wrote: >>><snipped> >>>>In any case, the position I mentioned should be covered by the KPP vs KP 5 >piece tablebase which I do have loaded. So I don't know why Fritz 6 (and >H7.32 for that matter) plays f7 since it is obviously not the fastest winning >line. >>> >>>f7 is the fastest winning line that fritz6 and hiarcs7.32 know by tablebases >>>of H732. >>> >>>They know nothing about kqp vs kp so the fact that there is a faster winning >>>line(leading to KQP vs KP) is not relevant >>> >>> >>>Uri >> >>Hello Uri, >>I believe you are right. He should have the KQPKP tablebase to make this >>endgame work properly. It may even be counter productive to have any "Pawn" >>tablebases without the proper "Promotion" tablebases to follow up. For the >>KPPKP tablebase you should have the KQPKP and KPPKQ at the very minimum. These >>endings are usually easy wins for the side with the Queen but that does not mean >>that they are not required for the programs to transition into them correctly >>from the KPPKP ending. >>Jim Walker > >Hello again, >I have just discovered a problem with using Fritz 6 in the Fritz 5.32 GUI. It >seems to have similiar problems to Fritz 5.32 when using the tablebases. Today >it was playing shredder 3 and found a mate in 45 (KQPKQ tablebase). Around >move 20 it got lost and repeated the position 3 times. I do have the KQQKQ >tablebase and Hiarcs performs these endgames correctly. The problem does not >seem to exist in the Fritz 6 GUI but I have been using the Fritz 5.32 GUI >because of another bug in the Fritz 6 GUI. The bug is Fritz 6 stops playing >sometimes in the endgame for no reason. If you have played any engine/engine >games look at your database of these games. The ones where Fritz stopped >playing will show a +- in the score instead of 1-0 indicating that white was >ahead when it quit. (Or = when it was drawish instead of .5-.5). >Jim Walker Hi! Yes it´s the same problem with Junior6, often it stops playing (in TB) when it´s a draw. I have also seen it announce a mate in 14 from the TB´s and after that take a 3-time repetition. In this case it was a KRp vs KR. Bertil SSDF
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