Author: John Merlino
Date: 19:43:57 09/06/02
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On September 06, 2002 at 22:31:44, John Merlino wrote: >On September 06, 2002 at 22:08:17, James T. Walker wrote: > >>I seem to recall John saying that CM9K had improved it's rating by about 30 >>points. When checking the rating that CM9K gives itself on my 1.4G machine it >>says 2829. When checking the rating of CM8K it says 2878. What gives? Also >>some of the personalities ratings have changed. Did you do a complete new >>calibration? >>Jim > >We adjusted the base rating of the engine upwards by 30 points, but we also >adjusted (improved?) the math used to calculate how many points are added based >on your CPU speed. > >This is covered in the CM9000 FAQ, which will be posted early next week. It >says: > >Q: Why is the rating of the Chessmaster personality (and some other >personalities) lower in Chessmaster 9000 than it was in previous versions? >A: The engine in Chessmaster 9000 is believed to be noticeably stronger than the >ones in previous versions of Chessmaster. However, some innaccuracies in the way >that the ratings were calculated were corrected for Chessmaster 9000. So, the >lower rating for the Chessmaster personality does not mean that the new engine >is weaker, but rather that the new rating is more accurate. > >jm Oh, yes, and I forgot to mention that we DID also modify several of the "human" personalities to make them completely different than they were in CM8000. jm
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