Author: Bob Durrett
Date: 11:24:04 02/15/04
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On February 15, 2004 at 14:01:26, Dann Corbit wrote: >On February 15, 2004 at 13:53:33, Bob Durrett wrote: > >>On February 15, 2004 at 13:24:54, Uri Blass wrote: >> >>>I understood from the winboard forum that Bob considers DanChess as a crafty >>>clone and the question is what is the definition of a clone. >>> >>>I remember from slater's post in this forum that if most of the code is >>>different you cannot win in court by complaining that it is a clone. >>> >>>I understood from Dann's post that only 30% of the code of DanChess is >>>similiar(that does not mean the same as Crafty). >>> >>>Dann Corbit posted in the winboard forum the SEE function of Danchess that is >>>similiar to Crafty. >>>I wonder if it is really the main reason that Bob considers Danchess as a clone >>>or only one of the reasons. >>> >>>Uri >> >>Can you patent or copyright an algorithm???? > >You can patent an algorithm. That begs the questions: "Has the alpha/beta algorithm been patented?" "If so, when will the patent run out?" Since everybody is using the alpha/beta algorithm, I assume this problem has been solved. But what about all the other algorithms and tricks used in chess software? It sounds like a potential legal nightmare to me. Bob D. Bob D. > >You can copyright your source code. You cannot copyright an algorithm. > >What constitutes fair use of copyrighted materials could certainly be subject to >much debate.
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