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Subject: what is the size of the opening book of chess programs?

Author: blass uri

Date: 19:01:54 08/11/98


Some programs like fritz5 with powerbook, Mchess7, and chesssystemtal
have big books.
The result is that they can follow wrong lines.
For example Fritz5 and Mchess7 can do a draw in the opening with white

I think every move in a book the program play without checking should be checked
by the program before the game.
If the programs check 100 positions per day they can have in 3 years
a book theory of 109500 positions and I think it is enough.
I think grandmaster do not remember more theory.
I think a good idea for programs is to concentrate in a small number of lines
they understand.


They can have a big knowledge book but they should not use it without thinking.
If they lose they can learn by analyzing the games(1 move per hour in the moves
before the opponent has the advantage) and see where they did mistakes.

There should be time of at least 12 hours between the games.

Another option is to do singular extentions to the line of the game in the next
game.

Uri



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