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Subject: Re: Validating the Nunn positions

Author: Uri Blass

Date: 12:34:28 01/08/03

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On January 08, 2003 at 15:18:18, Roger D Davis wrote:

>We occasionally see posts where engines take turns playing the Nunn positions,
>the idea being to give the engines an equal footing, but with some development.
>But has anyone looked at whether white or black wins more often for each Nunn
>position? Presumably, if white wins some 55% of the time for all openings (or
>whatever the figure it, consult your database), then the same should hold true
>for the Nunn positions: Given equal engines, white should win 55% of the time.
>
>Some large inequality between white or black would indicate that a particular
>position ought to be deleted from the set, or some other position substituted.
>
>Roger

The engine use white and black for both sides so I do not see the problem even
in case that there are positions when white get 60% and I can promise you that
in no poition white get something close to 100%.

Uri



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