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Subject: Re: Different Hydra personalities against Rybka

Author: Joachim Rang

Date: 04:05:49 12/13/05

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On December 13, 2005 at 05:43:45, Kurt Utzinger wrote:

>On December 13, 2005 at 05:04:08, Joachim Rang wrote:
>
>>On December 13, 2005 at 03:58:50, Kurt Utzinger wrote:
>>
>>>On December 13, 2005 at 02:16:50, Chrilly Donninger wrote:
>>>
>>>[...]
>>>>The experiment shows also, that it is fairly easy to tune against one programm.
>>>>The problem is to find a solution which works against all.
>>>>
>>>>Chrilly
>>>
>>>      Hi Chrilly
>>>      This conforms exactly with my own experience when
>>>      trying different CM-personalities: the best CM-setting
>>>      vs Shredder had no chance vs Fritz and so on.
>>>      Kind regards
>>>      Kurt
>>
>>
>>Hi Kurt,
>>
>>I'm surprised by this. I had the impression tuning against a specific opponent
>>yields only little. Do you have any data on your experience for this?
>>
>>Joachim
>>
>>Joachim
>
>      Hi Joachim
>      We have tried hundreds of different CM9-settings
>      without tuning them vs a specific engine. But we
>      noticed that setting X played excellent vs for
>      example Shredder but lost badly vs Chess Tiger
>      and/or other combinations. Such things always
>      happened with settings where we tried to increase/decrease
>      some parameters to the extreme. All such settings did never
>      well and were unsuitable as a good overall setting.
>      Regards
>      Kurt


Did you have such "anomalities" with matches for more than 50 games? I mean if
you play 10 matches of 50 games chances are high that one match will have a
"curious" result, such as your result of Fritz 9 against Fruit-Toga 1.0.

Joachim



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