Author: Mike Byrne
Date: 14:32:53 09/21/02
Go up one level in this thread
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 ---- ---- ---- ---- ----
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