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Subject: Re: chess computer ratings

Author: Michael Fuhrmann

Date: 12:54:57 09/23/01

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On September 23, 2001 at 10:21:44, Robert Hyatt wrote:

>On September 23, 2001 at 09:04:34, gregory j capace wrote:
>
>>If you have a faster processor, how much strength does this dd to the program ?
>>Does Fritz 6 run any stronger on my 566 mghz, versus a 450 nghz. , like the
>>rating says. How strong would it be on a 1.2 mghz. computer ?
>
>
>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?



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