Author: Sune Larsson
Date: 02:41:25 02/22/01
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On February 21, 2001 at 21:12:40, John Merlino wrote: >On February 21, 2001 at 20:42:35, Alastair Allan wrote: > >>Some personalities' playing levels in CM8000 have been validated against human >>players with known ratings. This is a valuable feature for players in the lower >>range of ability who would like to have a "dependable" estimate of where they >>stand. I don't know of any other chess program that has undergone this kind of >>ecological validation. I would venture to say that this unique feature is as >>good a selling point as any autoplayer function that might be considered in >>future releases. > >Thank you for saying so. However, there were only five personalities that were >used in the test: Chessmaster, Josh Age 9, Willow, Sonja and Skippy -- basically >personalities with ratings of approximately 2500, 2000, 1500, 1000 and 500 >respectively. With these five "real world" anchor points, the ratings data >probably became a fair bit more accurate, but I would still venture to say that >some, if not many, of the personalities are between 50 and 150 points off the >mark. > >As for it being a selling point, I'm sure it's mentioned somewhere on the box. >;-) > >jm Ok, I get it - five personalities were used in the test. Among them Chessmaster itself with rating of approximately 2500 (as stated above). But where does this Chessmaster rating of 2861, on my PIII 800, come from ? On the box is written "The Most Powerful Chess Engine Available on a PC". Oh, maybe CM increases its rating by beating me ?! ;) As stated at the back of the box: **Rated 1** "The Chessmaster engine achived the No 1 ranking by the SSDF". Sune
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