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Subject: Re: SSDF figures suggest 35 Elo per doubling of speed, not 50 or 80 Elo

Author: Dann Corbit

Date: 19:58:25 11/20/03

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On November 20, 2003 at 22:51:04, Uri Blass wrote:

>On November 20, 2003 at 22:35:43, Dann Corbit wrote:
>
>>as we often see cited.
>>
>>See:
>>http://www.talkchess.com/forums/1/message.html?329011
>
>No
>
>Assume that all the program of the ssdf have 2500 at 100 mhz and 2570 at 200
>Mhz.
>
>Your formula is going to give them 35 elo per doubling and not 70 elo.

You are right.  I divided by the ratio of the two speeds to normalize and forgot
to divide by 0.5 (or multiply by 2).

70 is the better figure.



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