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Re: [Bug-gnubg] Proposal - Luck rating

From: Christian Anthon
Subject: Re: [Bug-gnubg] Proposal - Luck rating
Date: Mon, 6 Jul 2009 23:25:49 +0200

On Mon, Jul 6, 2009 at 10:10 PM, David Levy<address@hidden> wrote:
> Hello,
> I have a question or two about how luck is reported, followed by a comment
> on Massimiliano's suggestion.
> Both players begin play at 50% to win a match. One of them wins, going to
> 100%, the other loses going to 0%. It seems to me that as a matter of
> definition, the “net luck” plus the “net skill” (difference in MWC of the
> two players’ errors) should be exactly 50%. Correct?

With a perfect luck-evaluator that would be true, but suppose we
constructed a neuralnet like this:

the evaluation is a function of the position, but a random number.

If you let this neuralnet play against itself skill would be perfect
but luck could be evaluated as just about anything. Luckily for us the
gnubg net is close enough to perfect :)


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