Author: Melvin S. Schwartz
Date: 15:47:33 01/24/99
I read your review of the Novag Diamond 11 where you stated that Selectivity On increases the playing strength. I contacted a technical advisor at Saitek in Hong Kong who assured me that Brute Force examines the position more extensively and minimizes the risk of an occasional oversight. This would indicate beyond any doubt that Selectiviy Off and Brute Force On would result in better chess play and a higher rating. Since the Novag Diamond, according to ICD's literature, has Selectivity and Brute Force, your article would seem to be inaccurate when you state that the Novag Diamond, and other chess computers with Selectivity "On" would result in a higher rating. Even in the manual I have with my Mephisto atlanta - a chess computer you have as yet failed to review - it states that Selectivity will compute faster but Brute Force is a powerful program which will minimze the risk of an occasional oversight. That could only mean that Brute Force searches more extensively to reduce the possibility of an error. With more time for searching, I have to believe that Brute Force, not Selectivity, would result in a higher rating. Please investigate this matter further and let me know your results. Best regards, Melvin S. Schwartz e-mail: pipesmoker-1@webtv.net
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