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Subject: Re: SSDF ratings vs Human performance rating (the data).

Author: Francesco Di Tolla

Date: 07:37:39 04/13/00

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On April 12, 2000 at 12:12:01, Chris Carson wrote:

>					FIDE
>S/W			Mp    	MHZ 	TPR	SSDF
>Hiarcs 6		PII	350	2611	2624	450 MHZ for SSDF
[...]
>Novag S. Constellation	6502	4	1555	1731

I'm a physicist and I learned that measurements never give pure numbers, but you
always need an error-bar, so you statements make little sense unless you explain
how big the error bars of the scores agains humans (based on few games I guess)
are indicated as well. We all now the confidence of SSDF data that's why I ask
the other data.

>
>Based on the above, the micro's had 14 performances above
>thier SSDF ratings against FIDE opponents and 15 performances
>below.  The SSDF list is very valid and reliable.

You see if the comparison you make are based on on data which have and big error
bar you migh consider saying that the two data are not distinguishable within
the error and get different numbers.

regards
franz



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