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Subject: Re: Tragedy

Author: walter irvin

Date: 11:10:47 11/04/00

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On November 04, 2000 at 13:43:44, Bruce Moreland wrote:

>On November 04, 2000 at 12:03:29, Daniel Chancey wrote:
>
>>I was trying to find out how CMSilver fares against the best of the best.
>>Clearly it isn't doing well.
>>
>>Castle2000
>
>It might not be doing well, but it could have been an accident.  Your matches
>are short enough that if it had won like two more games in the "blowout" match
>you wouldn't be so sure.
>
>You have another blowout match going on now though, so it's looking a little
>more likely that the version isn't as good as the others in self-play.
>
>The way you are doing matches you can probably score three ways - draw, win,
>blowout.  If you start making decisions based upon this you can make a mistake
>if the matches are too short to prove that the score is real.  Even a long match
>can't prove that the score is real, if the score is close.
>
>It's possible to take the score of a match, and turn it into a statement such as
>"There is an 85% chance that version A is at least 20 Elo points better than
>version B."
>
>If that appeals to you, you may want to learn something about statistics.  I
>would tell you how to do it, but I don't know how.  If chess didn't have any
>draws it would be easier to do.
>
>bruce
thats easy  just dont count draws .play till some one wins a certain number of
games .then you can say well      A wins 75 games  B wins 25   ect



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