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Subject: Re: SSDF and question for Tony

Author: Harald Faber

Date: 07:55:29 07/24/01

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On July 24, 2001 at 09:14:43, Bertil Eklund wrote:

>On July 24, 2001 at 08:22:08, Harald Faber wrote:
>
>>On July 24, 2001 at 07:48:06, Tony Hedlund wrote:
>>
>>>On July 24, 2001 at 05:17:48, Harald Faber wrote:
>>>
>>>>
>>>>For Tony: Do you reset the weights in the opening book before you start new
>>>>matches or do you take over the learned move preferences from former matches?
>>>
>>>I don't reset the opening book.
>>
>>
>>Aha! This is one of the most important statements I have read since months.
>>
>>
>>>But for the matches I now play it doesn't matter. In the first match, Deep Fritz
>>>- Tiger 14 CB  20-20, DP was on my "left computer". In the present match,
>>>Gambit Tiger 2 CP - Deep Fritz 18-21(so far), DP is on my "right computer". So
>>>Deep Fritz didn't learn anything from Tiger 14 CB. But in the next match, Gambit
>>>Tiger 2 CP - Tiger 14 CB, both programs have had the possibility to learn from
>>>Deep Fritz.
>>
>>
>>It is not only that DeepFritz cannot have learned from Tiger 14 to use it for
>>the current match, but DeepFritz *already* has learned from former opponents. So
>>if you play DeepFritz (or any other program) which has learned from say 100
>>games, versus a new entry, the new program definitely has a disadvantage because
>>it has no learned values.
>>
>>
>>>So in that sence we honours the best learner, which probably also is
>>>the best program.
>>
>>
>>Uhh, IMO this is nonsense. Oh, sorry, yes, it is the best *program*, but not the
>>strongest *engine*. I don't deny that learning also counts to a program like the
>>opening book, but at the moment I see a much too high value for effective
>>bookleraning. One might fear that in near future several programmers will
>>concentrate on *very* effective booklearning (Hi Christophe, how far is yours?)
>>instead of improving the engine. Please prove me wrong...
>>
>>
>>>Tony
>
>Hi!
>
>Tiger Chessbase have the same learning as Deep Fritz. And of course a winning
>line against A can often be a losing line against B.


Can you give evidence for this? It CAN be a losing line, but how often does it
happen?


>I think it should suit you if you at least pretended to be impartial when you
>comment on matches and programs.


Of course everyone is subjective in his opinions. :-)
Maybe I am really on the wrong way assuming that (Deep)Fritz cannot play chess.
:-)


>In my last match Tiger14 won the last 8 games in a row against Hiarcs7.32, the
>results in the first 30 games wasn't particularly good for Tiger, I guess that
>you don't complain in this case or.....
>Bertil


Sorry, it didn't come to my attention. But it is strange too. I have seen 4 wins
in a row myself, but *8* wins is a lot, especially vs. another top program.
Could you send those games to me or are they to download somewhere?
TIA!




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