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Subject: Re: SSDF ... a question

Author: Martin Andersen

Date: 14:29:16 09/08/03

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On September 08, 2003 at 15:29:58, Bruce A Rhoades wrote:

>    How can these chess program ratings have any meaning if the programs are
>running on different computers having different capability? I don't understand.

I have read the other posts, and I believe your question is
something like this: How come they play for example Fritz 7.0 (1200Mhz Athlon)
vs Junior 7.0 (K6-2 350mhz). Surely this is unfair.
Lets say you have an established rating for Junior 7.0 and want to
find the strength of Fritz 7.0. Then the hardware which Fritz runs on is
quite unimportant, since you can calculate the rating performance of Fritz
from the score of the match and Junior 7.0's rating.

After a lot of games you will have a rating for Fritz 7.0 for the
hardware 1200Mhz Athlon. Maybe you have a 2400+ Athlon, which is
67% faster. Then you know that Fritz on your machine will be a bit
stronger, you don't know how much though. From experience, maybe 10-40 ELO
points more.

If I have got your question all wrong, I apologize !

Martin.



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