Author: Rajen Gupta
Date: 12:40:21 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 i see the point that you are trying to make ie that there maybe some positions that are not strictly neutral to begin with; however each engine gets an equal bite at the cherry so to speak and even if a particular position were to inherently favour one colour, both engines get to play that colour and the final result depends upon which engine can win more often; so i guess the nunn positions are a pretty good test for evaluating engines; however the valid argument is that programmers can tune their engines to perfom well on these tests;
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