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Subject: Re: Evaluation Autotuning

Author: Joachim Rang

Date: 11:22:55 06/28/04

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On June 28, 2004 at 13:03:37, Dan Honeycutt wrote:

>On June 28, 2004 at 12:43:10, Robert Hyatt wrote:
>
>>On June 28, 2004 at 12:37:42, Dan Honeycutt wrote:
>>
>>>On June 28, 2004 at 08:54:00, Anthony Cozzie wrote:
>>>
>>>
>>>>settings, and then N games with the new settings.  I am only really interested
>>>>in longer timecontrols: 20 min + on an Athlon 2.0G or so (70 min on P-650, etc),
>>>
>>>
>>>Why long time controls?  I thought you could test evaluation with shorter time
>>>controls, search needed longer (or varied) time controls.  Am I out in left
>>>field?
>>>
>>>Dan H.
>>
>>
>>My personal belief is that longer controls are better.  Short games rely heavily
>>on the search, and leaves a better chance for random luck to influence the
>>outcome.  Deeper searches tend to make fewer tactical mistakes, leaving the
>>outcome to the quality of the evaluation....
>
>Makes sense but not what I was hoping to hear.  Every bonus/penalty in my
>evaluation is a pure guess.  I need to tune, but the task is formidable.  With
>limited time and resources I was hoping to use shorter time controls.
>
>Hopefully this project of Anthony and yours will produce something to help those
>like me.  I'll be watching developments with interest.
>
>Dan H.


May personal experience with tuning the evaluation of Fruit is, that short time
controls like 2+1 are appropriate for such a task. One needs statistical
significance and that is achievable only with short time controls in a
reasonable time.

regards Joachim



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