Author: elunsen
Date: 08:31:40 06/25/02
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Honestly, I don't know what to think of it. Powerbook 2002 contains more than 650,000 games so it's impossible that the book we elaborated for several years contains exactly as many games as Powerbook 2000 since it would imply that in the last 2 years more than 200,000 GM have been played what would be statistically impossible. Admittedly, I do not have Powerbook 2000, so I cannot compare the file sizes nor the number of games, but copyrighting file sizes or game quantities, would be about be the same as copyrighting the pagination of books or the composition of natural material. All included game histories were or are publicly available and therefore can not be copyrighted by commercial software providers. Only annotations, comments or variations implemented by chess authors to existent game histories are subject to author's rights and could theoretically be copyrighted by their authors. The database and opening book do not contain any annotations, comments, variations or other copyrightable material and consequently no copyright to the provided material can be claimed. However, there have been several test verions of our book and we can not exclude the infinitesimal possibility that some of the files that were transferred back and forth to Dr. Sokolov's server who did part of the testing had unintentionally been renamed from "PowerBook.ctg" to "Book.ctg" and, being accidentally taken for the final version of our book, were uploaded to the UiB FTP site, but such a concatenation of mistakes among mathematicians would be most improbable. However, if this be the case, it reflects a most deplorable concurrence of coincidential circumstances but it would account for the fact that some people complained about our book's relative playing strength what in fact surprised me. Anyway, during the coming weeks we will compile a new version of the opening book which in the near future will be available from the world's largest chess archives : http://www.uib.no/people/pfvaf/chesslib/ It is a most deplorable reality that commercially-minded people use unfounded calumnies to try to eliminate freeware sites like ours in order to provide the same material on a commercial basis and squeeze some miserable money out of unaware chess fans. E. Lunsen
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