Author: Bob Durrett
Date: 12:06:20 02/15/04
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On February 15, 2004 at 14:50:26, Dann Corbit wrote: >On February 15, 2004 at 14:48:29, Robert Hyatt wrote: > >>On February 15, 2004 at 14:43:06, Bob Durrett wrote: >> >>>On February 15, 2004 at 14:29:52, Robert Hyatt wrote: >>> >>><snip> >>> >>>In view of the size and complexity of Crafty I wonder whether or not cloning >>>Crafty is really a good idea for the newbie chess programmer to get started. >>> >>>On the other hand, maybe there are parts of crafty which could be used in the >>>beginning so that the newbie programmer could concentrate on creating his/her >>>own code for the really important parts. >> >>I don't disagree. The parts that always cause me the most concern center around >>the evaluation and search. I didn't look at his search carefully at all, but I >>did look at the evaluation, and that has too much copied code... There may be >>significant search code copied or not. But copying either is really copying the >>"personality" of the program... >> >>Several have started with gnuchess, for example, but by the time they claim it >>as their own and distribute something, the important stuff has been re-done by >>the person doing the work, rather than just copied... > >This (in my view) is a far worse offense than what has happened with the >DanChess case. If you use someone's entire program and then slowly modify it, >that is a simple crime to me. And one with no excuses. Unless, of course, it is done with the blessing, encouragement, and consent of the owner of the copyrighted code. I can see a teacher encouraging his students to do just that using the teacher's program. The program, such as Crafty, could serve as a "test bed" for testing new position evaluation, search and other ideas. The use of "test beds" is a well-known and accepted practice. Bob D.
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