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Subject: computer with no book perform much better than with book?

Author: emerson tan

Date: 05:00:48 10/14/03



I played a 24 game match between chessmaster9000 default and chessmater9000
without book with time control of 40 moves in 2 hours and the result was 13.5 to
10.5 in favor of cm without book. 8 wins for without book and 5 wins for the
default and 11 draws between them.

Its seems that the one with no book "understands" the position better than the
one without the book because it calculates from move one therby can follow the
progress of the position from move one, the computer decides how the position
progress and it arives in a position that the computer likes and knows how to
play it. unlike the one with book,it may not know well how to play the position
after it is out of the opening. that's just my wild way of explaining it, but
seriously, why did the one without book beat the default one? I was expecting
the default one to beat the one without books because you can see that from the
earlt part of the game, the one with book was usually way ahead of of time,
leaving it much more time to calculate complications in later part of the game.



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