Author: Uri Blass
Date: 00:51:39 05/01/02
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On May 01, 2002 at 03:09:10, Ed Schröder wrote: >On April 30, 2002 at 18:01:21, Torstein Hall wrote: > >>>You have understood the problem, you are not going to fight your own opening >>>book in world championship event. >>> >>>Ed > > >>Of course I understand your frustration, but...... >> >>In normal chess at the highest level the GM's are saving their best opening >>innovations to important events. When one player has made the move it is common >>knowledge, and everyone is free to use it. So at least if Rebel has played the >>opening sequence in one game, I think it is fair to copy that part at least! > >Sure. > > >>And if a player makes his moves public, say in a opening book, a human book >>about openings that is :-), of course everyone must be free to use his moves as >>well. And in one way, that is what you have done when selling the program with >>a opening book! > >There appears to be some misunderstandings on the issue. > >When you buy software it doesn't mean you suddenly own the copyright of the >product, no the copyright remains the intellectual property of the producer. >What you buy is the right to use the software. > >We are not talking about improving the opening book of program_X because it has >lost some games against Rebel because of Rebel's opening book, that is not the >issue. We are talking here about a copy & paste of 14 years hard work which is >copyrighted (see the header in any Rebel book) and use it in world >championships. If the target is to improve the book of the program based on Rebel's book then it is better to learn every single move in Rebel's book and decide which moves should be added to the previous opening book. I think it is not logical to copy Rebel's book to another program. A book is not something that is not dependent on the program and one program may play better with 1.e4 when another program may play better with 1.d4 If programmers build a book for their program it is logical that they are going to put there moves that the program know to play better. Copying Rebel's book without selecting the moves that only fit the style of the program it is not something that can help in that direction. I also have doubts if book is really important for amatuers because my stupid program with no book has 15.5/17 in the 5th division of the winboard programs against programs that most of them use book. Uri
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