Author: Bob Durrett
Date: 06:14:15 10/22/02
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On October 22, 2002 at 08:31:34, Chuck wrote: >I have staged some tournaments on my computers at home at time controls of >averaging as high as 30 minutes per move, trying to test the deep analysis >capabilities of the stronger programs. However, one thing I have never been >satisfied with is the opening books I've used. > >To create an equal environment where the opening book is not a factor in a >programs strength, the same book should be used for all programs. However, any >one commercial book will give an unfair advantage to the program for which it >was developed. Further, many books have bad lines which can lose the game for an >unlucky engine. Are there any recommendations as to which is the best opening >book for universal use in a tournament? Recent posts here at CCC make me believe that each program needs to have it's own book. This is because different chess engines play differently. HIARCS, for example, is said to be heavy on chess knowledge. Fritz is supposed to be the speedster, relying primarily on search depth. I don't know if those characterizations of HIARCS and Fritz are accurate or not, but if they are then it seems most reasonable to me that openings best for HIARCS would be very sub-optimal for Fritz and visa versa. If you accept the above conclusion, then you are led to believe that it would be unfair to HIARCS to require that it use the Fritz book and visa versa. Summary: I propose that each chess engine be given the opening book which provides optimal performance for that engine. The chess engine programmers should have the final say on which book is to be used by their chess engine. Bob D.
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