Author: Peter Fendrich
Date: 07:59:18 11/20/03
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On November 20, 2003 at 09:54:12, Bob Durrett wrote: >On November 20, 2003 at 09:27:12, Mathieu Pagé wrote: > >>On November 20, 2003 at 03:34:54, swaminathan natarajan wrote: >> >>>Hi >>> >>>the main problem is that engine-engine matches without opening book plays same >>>moves for infinite games when given same time control >>> >>>i have kept 6 games series >>>all the games played shows the same result >>>match ends in a 3-3 tie........same moves till endings and insuffiecient >>>material in the position >>> >>>i hope if the book is selected for the engine,the games will not be the same and >>>the result may change? >> >>Yes, you are right, except if both engines take the same opening line again and >>again. >> >>Some sort of opening learning will totaly avoid this behavior since the engines >>will try to find a line that will give them something better than a draw. >> >>Mathieu > >The idea of using "some sort of opening learning" to cause chess-playing >programs to explore new openings in engine-engine matches "without an opening >book" is intriguing because it would be very interesting to see what the >"engine" might come up with. One reservation, however, is that the choices may >not be truly without human influence. It would depend on how the idea is >implemented in software. If human programmers were, in effect, making the >decisions then the findings would be tainted by the scourge of "the human >tendency to err." > >Perhaps it would be enlightening to review how opening learning is accomplished >[implemented in software] in current-day chess programs. My impression was that >opening learning is accomplished by adjusting the probability settings in an >opening book. It doesn't have to be that way. A programmer could find another >way. > >Hopefully the "real" chess-playing program programmers will comment on how they >might implement Mathieu's idea. > >Bob D. Many (most?) learners will learn both inside the book as you mentioned but also when out of book by storing the first x positions with associated scoring. /Peter
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