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Subject: Re: Who is better? Some statistics...

Author: Gian-Carlo Pascutto

Date: 12:45:53 06/11/01

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On June 11, 2001 at 14:37:22, David Rasmussen wrote:

>There is no "correct" results. It all depends on how you model the problem. The
>simplest would be to assume that the probability of A beating B is constant p.

Since I'm talking about matching up 2 computers, the probability is
constant. (discounting learning)

>Then you'll get a polynomial distribution.

>But this is just one model, and not a very good one, for real-life purposes.
>In the case of humans, p is not constant, but varies with psychological,
>physiologocal and other factors.
>Also, if this bernoulli model with a constant p for one entity was true, chess
>ratings would be transitive. But they aren't. A can beat B, who can beat C,
>who can beat A, even in the case of computers (or maybe especially in the
>case of computers). A model closer to reality would model this behavior more
>closely.

I explicitly spoke about matches between 2 programs. None if this
is applicable here.

--
GCP



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