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Subject: Re: Chess Tiger 15 vs Fritz7

Author: Uri Blass

Date: 22:42:10 06/10/02

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On June 10, 2002 at 22:29:44, Christophe Theron wrote:

>On June 10, 2002 at 15:28:14, Rajen Gupta wrote:
>
>>i have read somewhere (i think it was hinted in one of the interviews which
>>frank morsch gave to one of the indian newspapers)that at any given time, there
>>are several different versions of fritz being developed:- the inference being
>>that and the one that is actually released is not necessarily the strongest one;
>>its the one that is just strong enough.
>>
>>frank morsch apparently has one ready whenever a new upstart arrives on the
>>scene.i wont be surprised if there is no new fritz till something overtakes the
>>current version.
>>
>>rajen
>
>
>
>It does not make sense.
>
>Look at the small margin between Fritz and the program just behind it (Tiger) on
>the SSDF.
>
>Why would Frans take the risk of publishing an engine that might fail to achieve
>the first place on the SSDF if he has something better?

Maybe he does not know which engine is the best.

The only way to be sure that engine A is better than engine B is by games.
You can always have other tests in order to guess but they are only an estimate.

I know that you say that you do not use games against other opponents but I
think that it is a mistake.

The fact that you probably have some test that usually gives
the same results as games is a good reason to use that test for testing one
change but when you decide to release a new version the only way to be sure that
it is better is by a lot of games(unless the change is only doing tiger faster).

Uri



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