Author: Mark Young
Date: 20:21:45 08/11/98
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On August 11, 1998 at 22:01:54, blass uri wrote: >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 I find a big book helps more. At least in fritz 5. The book I use is 12 million or so moves to depth 30. I can't think of anytime Fritz 5 played a draw line as white or black when still in book. I hardly ever get bad opening with the huge book I use. And that counts for human as well as computer players I have played. I am not sure how fritz picks the lines it does in my book but it does a dame good job at it. I update the book every week with new GM games. And so far the book has been top notch. I will take a huge book over a small book everytime. Its work great for me at least.
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