Author: Louis Fagliano
Date: 10:14:51 02/03/02
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On February 03, 2002 at 10:54:15, Peter Ackermann wrote: >On February 03, 2002 at 01:18:54, Peter Kappler wrote: > >> >>Hi Louis, >> >>I understand that the Powerbook comes with an interface for editing book lines >>(i.e. marking moves as play/don't play, and even tweaking the probability that a >>move will be played). >> >>Are these editing features also available in Fritz 7, or only in the Powerbook >>UI? >> >>-Peter > >Hi Peter! > >You can do all that in Fritz-7-GUI as well. Open the book and click on the move >where you want to change the probability with the RIGHT mouse button. Then you >can change the weighting of this move, can make this move a "tournament move" >and so on. > >Regards! > >Peter Yeah, you change any of the ChessBase .ctg opening books to make any engine using them to always play certain lines and always avoid certain lines. But a typical opening book has about 2.5 to 3.5 million positions, and powerbooks about 7.5 million positions. If there are bad lines in there you want to delete, it will takes months and months or years to find them all. It's better to use an engine's own native book which has already been professionally edited by a GM (or team of GM's) expending thousands and thousands of man-hours of work then to try and take the unedited powerbooks and try to do this yourself.
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