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Subject: Re: Poll Question - Tournaments vs Matches

Author: Robert Hyatt

Date: 14:07:01 01/06/00

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On January 06, 2000 at 10:20:15, Graham Laight wrote:

>On January 06, 2000 at 10:12:53, Robert Hyatt wrote:
>
>>I don't dismiss it out of hand.  But if I have a question about the
>>effectiveness of brain surgery, I ask the _surgeon_ and not the _patient_.
>>They have two entirely different perspectives.  The patient recovers fully.
>>He considers this procedure a revolution.  The doctor knows that only one of
>>20 will recover.  He considers it terribly risky.  Who is right?
>>
>>Chess program 'users' have one perspective from playing the programs.  The
>>authors have a completely different one, knowing all the things that are
>>missing, all the things the program does poorly, all the things it gets
>>into trouble with...
>>
>>Which perspective seems most accurate?  The user of a black box, or the person
>>that 'filled' the black box?
>
>Or the impartial evaluator of the black box?


That is the point.  You can _not_ evaluate the black box.  You can only evaluate
the results.  The brain surgery worked.  You consider it wonderful.  Only the
doctor knows all the difficulties he had during the surgery, how close he came
to losing the patient, etc. Because the doctor sees _inside_ the black box.

That is why 'impartial evaluation' is not easy until we simply have a lot of GM
games to go on.  At present we don't.  My view from inside the black box shows
thousands of problem areas that need work.  It may be that my view is wrong, if
and only if the black box can produce results against GM players that I don't
expect.  The easy way out of this is to wait.  We are getting data.  We know for
sure that Rebel isn't going to have a 2700 TPR based on games so far, so the
2700 number for Tiger on the SSDF is grossly overinflated.  As Ed said, and as I
have said many times, I would consider a TPR of 2500 a remarkable result.  And
that isn't good enough to make a GM.



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