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Subject: Re: It takes math to show truth, matter how strongly you feel about it.

Author: Christophe Theron

Date: 23:57:21 01/28/00

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On January 29, 2000 at 01:20:37, Dann Corbit wrote:

>On January 29, 2000 at 01:15:20, Christophe Theron wrote:
>[snip]
>>Actually my point was not about the 80% confidence.
>>
>>My point was about being serious about match results and knowing when you can
>>take them seriously and when you shouldn't.
>>
>>We see plenty of results posted, but it sounds like nobody cares about their
>>real meaning.
>
>Aye, and there's the rub.  Did you notice the SSDF result that started out 7-0
>and ended up 7.5-7.5?  I guarantee if we saw a contest like that and the 7-0
>result were posted here as a partial score, the spades would be out to bury the
>second program.  "Stick a fork in prygram Y!! It's done!  Hooray for program X,
>the new bone-crushing victor!"


A 7-0 intermediate result that turns out to be the opposite with more games is
likely to happen, as likely as the confidence percentage tells...

So I have no problem to be wrong from time to time. I just need to know (or to
choose) how often I'll be wrong.



>I see it almost every time a contest starts out lopsided.  I think we agree
>strongly that it is mathematics that tell the truth.  Our hearts lie to us.  Our
>eyes lie to us.  Our brains lie to us.  But mathematics is a truthful queen that
>tells it like it really is.  Even when it's not what we want to hear.


Right.

"Computer chess" is a name that sounds really like a scientific one, but
computer chess enthusiasts are sometimes (often) not scientific minds at all.

I don't understand why some peoples are afraid of those numbers and of what they
really say. It removes nothing from the beauty of the game, and following a game
between two opponents is still very exciting.

So what?


    Christophe



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