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Subject: Validating the Nunn positions

Author: Roger D Davis

Date: 12:18:18 01/08/03


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



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