Author: Mark Young
Date: 09:03:08 08/12/98
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On August 11, 1998 at 23:54:10, blass uri wrote: > >On August 11, 1998 at 23:21:45, Mark Young wrote: > >>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. > >can fritz5 with your book play the opening of the 2 games that Thorsten posted? >In these games fritz5 played a draw line as white and a bad line as black. > It will play the 20 move draw game as white. But its a long shot. In my book it shows many moves all through the line of play that fritz thinks are better. But it still shows the whole line as black in may book. None of the moves where reded out. The other game I did not see. If you cut and paste the game here I will look at it. >If the answer is no then maybe it is a good idea if chessbase will use your book >instead of the powerbook. > >Uri
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