Author: James T. Walker
Date: 16:57:45 12/21/99
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On December 21, 1999 at 17:20:37, Bertil Eklund wrote: >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 Hello Bertil, Well I immediately emailed Chessbase about the problem but they don't even acknowledge your email. So it's anybody's guess if they will ever fix the problem since they never did fix the endgame CD problem with Fritz 5.32. Jim Walker
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