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Subject: Re: Question to Jeroen: What went wrong with Tiger?

Author: Uri Blass

Date: 14:27:13 08/25/01

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On August 25, 2001 at 16:58:01, Harald Faber wrote:

>On August 25, 2001 at 12:41:51, Christophe Theron wrote:
>
>>
>>And talking about this, I think that Fritz has been the most unfortunate program
>>in the few last W(M)CCCs.
>>
>>The SSDF has clearly shown that Fritz was the strongest program against
>>computers for several years in a row (with some eclipse by Junior and Chess
>>Tiger), but Fritz even running on superior hardware never had the luck to win a
>>world title after 1995.
>>
>>This should ring a bell to anybody having played a tournament at home including
>>Fritz.
>>
>>I personally view achieving the first place at the SSDF as a much greater
>>achievement than winning the W(M)CCC tournament.
>>
>>    Christophe
>
>Might  be. But don't forget that SSDF-matches are HIGHLY influenced by learning
>which does not play a role in tournaments like the WCCC.
>Fritz does not convince me at all although being #1 in SSDF for a long time now.
>Looking at the games I have seen Fritz play and the evals Fritz gave I'd rather
>consider Fritz to have the best learning function. The superiority of Fritz
>which is suggested in the SSDF list does not exist IMO.
>There are several other programs which show a better chess understanding.

It is not my opinion.

In the ssdf match of Fritz against Gambittiger Fritz was leading and gambittiger
closed the gap.

I do not believe that the superiority of Fritz is because of better learning.
I also saw Tiger's evaluations and was not impressed that they are better than
Fritz's evaluations.

It depends on the positions and my impression is that tiger does more
preprocessing than Deep Fritz.

Deep Fritz's evaluation is usually stable and if it can see +0.54 for itself
then in most of the cases it is going to see +0.54 after the opponent plays the
expected move and the evaluation is going to be changed only if it can see
deeper.

It is not the case with tiger.

Uri



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