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Subject: Re: Elo ratings of ChessMaster 6000 personalities

Author: John Merlino

Date: 13:21:32 11/08/99

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On November 07, 1999 at 06:15:32, Alvaro Polo wrote:

>A simple question. ¿Someone knows if the ELO ratings of the CM6000 personalities
>are accurate? I am more interested in the sub-2000 ratings than in the
>GM personalities.

The ratings are accurate in and of themselves, but I have been told that there
may be as much as 100 points of error, up or down, when compared with USCF
ratings. The ratings were based on several thousand games that were played
between the personalities, but WITHOUT humans. So, within the universe of the
program, the ratings are accurate, but are only roughly approximate to
"reality".

Also, as someone else pointed out, once a human figures out a weakness of a
certain personality (some are easier to find than others), then it can be easy
to beat. A computer will NEVER spot a weakness in another computer, so that
weakness can never be exploited by another personality.

jm



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