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Subject: Re: SSDF rating list in 2004 on 3600 Mhz PC's

Author: Gian-Carlo Pascutto

Date: 15:19:20 03/30/02

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On March 30, 2002 at 16:25:01, martin fierz wrote:

>>My main argument against it would be that the SSDF ratings have
>>(approx) 30 elo error margins to either side. If you compare the
>>ratings of two engines, you have to cope with this twice. The
>>speedup ELO numbers are on the order of 50-130 ELO.
>
>statistics, GCP! adding two random errors does not give twice the error, but (if
>they are equal), sqrt(2)*single error.

sqrt(a^2+b^2), which reduces to your formula for a = b

I wasn't sure of it when I posted this, which is why it
was intentionally vague (I never implied they had to be added).

--
GCP



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