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Subject: Re: Poll Question ?

Author: Peter Kappler

Date: 22:15:39 01/04/00

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On January 04, 2000 at 18:06:12, Graham Laight wrote:

>On January 04, 2000 at 11:42:04, Chris Carson wrote:
>
>>Where would the SSDF top program (Chess Tiger) rank on
>>this list?  Where would the top SSDF program (could be different)
>>rank if the hardware was a PIII 800?  Will FIDE ever allow
>>programs in FIDE events?
>
>Q1. One of the SSDF team has told us that the list is over-rated by 20-30
>points, so we already know the answer - we don't need a poll. The answer is
>between 10 and 12. Allowing for the 95% confidence margin of error of 40 points
>either way (it's actually +44 -40 if you want to be totally exact) it would the
>between 26 and 5.
>

Exactly how did this SSDF guy come up with this conversion?  SSDF and FIDE
ratings are completely independent rating lists that target two totally isolated
groups of players.  The only way to devise a conversion formula would be to play
lots of 40/2 games between the members of the computer list and members of the
FIDE list.

--Peter



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