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Subject: Re: Different Hydra personalities against Rybka

Author: Kurt Utzinger

Date: 02:43:45 12/13/05

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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



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