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Subject: Re: Estimated Human Playing Strength

Author: John Merlino

Date: 10:15:14 11/01/01

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On November 01, 2001 at 10:53:58, Kevin Stafford wrote:

>I'd be willing to bet that chessmaster has poured the most time and resources
>into attempting to make their program accurate with repspect to its Elo ratings,
>but I doubt that even they are very accurate. I'm not sure how possible this is
>given that the program has to run on so many different levels of hardware. I'm
>afraid the only accurate way to determine your rating is to do it the hard way;
>earn it in a club or tournament by playing rated games.
>
>-Kevin

I can clarify this a bit. Yes, we have poured quite a bit of time and resources
into the problem. And, yes, given all the different hardware and personality and
time control combinations, it is pretty much impossible to be reasonably
accurate with respect to, for example, a USCF rating.

However, I can say with reasonable certainty that if you play enough (i.e. at
least 50-100) rated games on Chessmaster, at ONE SPECIFIC time control and on
the same machine, then your rating will probably be within 100 points of your
supposed USCF rating.

That's just my educated opinion,

jm



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