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Subject: Re: SSDF Rating List 2004-02-25

Author: Thomas Mayer

Date: 15:48:32 02/25/04

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Hi George,

>> Well, it's possible to do it with another programs interface, opening
>> book and learning function, but we eventually came to the conclusion that
>> this method wasn't fair...

> Fair? It would not be fair if you have been paid to make a test for the
> program strength, that will include only chess programs as they are out of
> their box.
> So if you use some components of one program to another, your boss would be
> disappointed as you didn't made a fair test as he only want to find the
> strength of the programs as they are given and not combining features
> between them. But that's not the case. You are not doing this for money and
> you are free to do whatever you want. Is the purpose of the list to give the
> strength of the engines or of the whole commercial package?

Afaik the purpose is to give the strength of the whole commercial package - the
so called out of the box strength. In that respect the SSDF-list is a wonderful
source - you can use it as a helping list to make you choice which program you
want to buy. Of course, for us computer chess enthusiasts this is just a hint -
we buy anyway nearly anything... :)

By the way: the opening book and the handling of the opening book is a big part
of the engine strength. So in my opinion Thoralf is correct when he says that it
would be somewhat unfair to the others, when one engine uses the environment of
the other products. E.g. when I think about my own engine just using general.ctg
and the advanced book learning of say Fritz GUI this would boost it in such
matches about 100 Elo, I am quite sure about that number. I would never consider
this as fair.

Greets, Thomas



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