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Subject: Re: Validating the Nunn positions

Author: Dave Gomboc

Date: 03:43:42 01/11/03

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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


Nunn picked the positions to give balanced chances to both sides.  He's a very
strong chessplayer, so I'd say that makes them validated. ;-)

Dave



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