Author: Dann Corbit
Date: 10:13:48 03/14/03
Go up one level in this thread
On March 14, 2003 at 09:18:38, José Carlos wrote: >On March 14, 2003 at 08:44:57, Matthias Gemuh wrote: > >>On March 14, 2003 at 08:25:00, José Carlos wrote: >> >>>On March 14, 2003 at 06:30:27, Matthias Gemuh wrote: >>> >>>> >>>> >>>>>>There are lots of TSCP modifications where the author never gave Tom credit. >>>>>>That sort of move I credit to sheer ignorance, since you are not going to have a >>>>>>world beater without a major surgery and a good deal of understanding of how a >>>>>>chess program should work. >>>> >>>> >>>>Hi Dann, >>>> >>>>Cloning weak TSCP and improving it is very different from cloning a "finished" >>>>giant. >>> >>> I'm afraid I disagree. Cloning is cloning, no matter how strong the cloned >>>program is. Well, I'm speaking from a moral point of view. From a legal point of >>>view, it might be different in the same sense that it's different to steal 1 >>>euro than to steal 1 million, thought it is debatable in our context. >>> >>> José C. >>> >> >> >>Hi Jose, >>when you clone Pepito, it remains a Pepito clone. >>When you clone TSCP, you will have thrown almost all data structures and >>replaced a bunch of routines by the time you improve it by 200 Elo. >>By the time you hit +300 Elo, you probably have a complex bitboard engine with >>no trace of TSCP in it. That is the difference. >>Regards, >>Matthias. > > Ok, I didn't get your point the first time. > Anyway, as long as nothing is hidden (where the engine comes from and what >percent of the code has already been changed) it's morally ok for me. I see it as a problem of attributions. Carlos was kind enough to make a GPL license. So all you have to do to use his engine is to give him proper credit and make the source code public. TSCP is fairly similar. Tom also asks that you send him an email and tell him that you are using technology that you learned from him. In any case, it's absurd not to give proper credit. Does anyone fault those people who learned from others and did give proper credit? Never! It is the very intention of open source. When someone steals the work and pretends that it is theirs, it is a strange sickness. There is a huge risk, and a very small possible gain. I really don't understand it.
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