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Subject: Re: 9 rounds will not always give you the "best" program

Author: Dann Corbit

Date: 18:20:35 01/20/03

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On January 20, 2003 at 21:18:48, Dann Corbit wrote:

>On January 20, 2003 at 17:47:05, Frank Phillips wrote:
>>On January 20, 2003 at 16:51:00, Dann Corbit wrote:
>>>No contest can truly tell us which program is strongest.  Not even a trillion
>>>rounds of round-robin.
>>
>>So how many?  Or can we never know anything?  And what does it therefore mean to
>>be strongest?
>
>When the programs are very close (as is the case in reality) we will never know
>the answer.
>
>The farther apart the programs are, the more easily we can be certain.  For
>instance, I am utterly convinced the deep fritz is stronger than TSCP.  I am not
>convinced that it is stronger than Chess Tiger.
>
>If there is a 1000 ELO difference between two programs, we will find out very
>quickly.
>
>If there is a 100 ELO difference, it becomes more difficult, but a huge number
>of games will give us a very convincing result.
>
>If there is a 10 ELO difference, it will be impossible to tell, as the
>randomness in play will be a greater difference than the difference in true
>strength.

P.S.
There is nothing wrong with knowing we cannot find an answer with certainty.
There is something wrong with pretending that we can.



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