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Subject: Re: chess computer ratings

Author: Thomas Mayer

Date: 14:43:33 09/23/01

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Hi Michael,

>>Against humans, there is no real data.  If you are talking about taking a
>>program on an XXX megahertz machine, and playing it against a program on
>>a 2*XXX megahertz machine, then the faster machine will be rated about 60
>>points higher, using the typical Elo formula.  I don't think that +60 will
>>be true for games vs humans, however.  It might be 1/2 of that or even less.
>
>Is this true regardless of what XXX is? To rephrase, while going from 350
>megahertz to 700 might yield a 60-point elo bonus, would going from 1 gigahertz
>to 2 gigahertz also yield 60 points? And what about a hypothetical 2 gigahertz
>to 4 gigahertz? Isn't there a horizon effect whereby the elo gain diminishes?

I think in computer - computer games it is more or less regardless of XXX... but
against humans it is different - but Bob said that already...

Greets, Thomas



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