Author: Kurt Utzinger
Date: 14:37:24 09/21/02
Go up one level in this thread
On September 21, 2002 at 17:32:53, Mike Byrne wrote: >On September 21, 2002 at 15:14:48, Kurt Utzinger wrote: > >>On September 21, 2002 at 14:57:18, Kurt Utzinger wrote: >> >>>On September 21, 2002 at 14:47:39, John Merlino wrote: >>> >>>>On September 21, 2002 at 14:37:04, Kurt Utzinger wrote: >>>> >>>>>On September 21, 2002 at 14:20:52, John Merlino wrote: >>>>> >>>>>>On September 21, 2002 at 14:08:33, Kurt Utzinger wrote: >>>>>> >>>>>>Are you certain that endgame databases were not used in the Fritz GUI in the >>>>>>second position? That is the only way that The King could "find the solution at >>>>>>once announcing mate". >>>>>> >>>>>>Otherwise, there is no reason to believe that The King would perform >>>>>>significantly better in the Fritz GUI than in the CM GUI, with the possible >>>>>>exception that the CM GUI might take a few more % (no more than 2 or 3 at most) >>>>>>of the CPU, depending on what windows you have open. >>>>>> >>>>>>I don't have Fritz, so I cannot make a comparison. However, if YOU have CM8000 >>>>>>as well as CM9000, then go ahead and try The King v3.23 inside the CM8000 GUI >>>>>>and see if the results are better than in the CM9000 GUI. I would bet that they >>>>>>will not be. >>>>>> >>>>>>jm >>>>> >>>>>The endgame databases were of course used in both cases (CM9-GUI and Frit7-GUI) >>>>>but since CM9 cannot access the Nalimov tablebases under Fritz7-GUI I am indeed >>>>>wondering about such differences. >>>>>Kurt >>>> >>>>So, you have a complete set of EGDBs for Chessmaster? Well done! >>>> >>>>Well, either way, as has been posted here before, The King does not use the >>>>EGDBs deep in the search, nor does the Mentor Lines window use them. >>>> >>>>If you have a complete set of EGDBs, and the position is down to five pieces or >>>>less, you can get the results from the EGDBs by either opening the "Coach" >>>>window, or just letting the Chessmaster personality (or any personality that has >>>>been given access to the EGDBs) play the game out to the end. >>>> >>>>jm >>> >>>No chance for Chessmaster 8000 under its own GUI to find 1.Kg2. And to your >>>question: I do not have the complete set of the EGDB's, only the ones delivered >>>with Chessmaster 9000. But it's nevertheless funny that under Fritz7-GUI the >>>engine (TheKing 3.23) finds the solution at once. I have carefully looked but no >>>hard disk lamp was flickering, not for a single moment, which is the case if I >>>use another engine like Hiarcs8 or Yace 0.99.56. This all is a mystery to me. >>>Kurt >> >>In the meantime I have further tested this position under Fritz7-GUI with >>tablebases deactivated and renamed the folders "tbs" to "xtbs" and "egdb" to >>"xedb". And in this situation, TheKing 3.23 does not play 1.Kg2 at once with >>mate announcement, but the engine still finds the winning move rather fast: >> >>Zugeordnete Felder 1.Kg2 - Cheron 0717 >>[D]8/4k3/3p4/3P4/2P5/8/8/5K2 w - - 0 1 >> >>Analysis by The King 3.23: >> >>1.Ke2 Ke8 2.Kd3 Kd7 3.Ke3 Ke7 4.Kf4 Kf6 5.Ke4 Ke7 6.Ke3 Ke8 7.Ke2 Kd7 8.Kf3 Ke7 >>9.Kg4 Kf8 10.Kf4 Ke8 11.Kg5 Kf7 12.Kf5 >> +- (1.64) Tiefe: 3 00:00:00 >> +- (1.68) Tiefe: 22 00:00:23 6146kN >>1.Kg2 Kf6 2.Kf2 Ke7 3.Kg3 Kf7 4.Kf3 Ke8 5.Kg4 Ke7 6.Kg5 Kf7 7.Kf5 Ke7 8.Kf4 Kf6 >>9.Ke4 Ke7 10.Kd3 Kd7 11.Ke3 Ke7 12.Kd4 Kd7 >> +- (1.78) Tiefe: 22 00:00:33 8613kN >> +- (1.79) Tiefe: 24 00:01:20 22170kN >> >>(Utzinger, MyTown 21.09.2002) >> >>Who is able to solve this mystery? >>Kurt > >The mentor lines DO NOT ACCESS the EGDB. Using the the EGDB and having >Chessmaster 9K play white under the CM9K interface - it does find the mate >instantly. > >Time Depth Score Positions Moves >0:00 EGDB Mate30 0 1.Kg2 >---- ---- ---- ---- ---- My analysis were not based on the mentor thinking lines. I have again checked but my Chessmaster9000 has no access to the EGDB (path correctly set in cm.ini). Other people have the same problem. Kurt Kurt
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