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Stockfish clones in the AppStore: it's becoming a plague...
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Christophe Théron



Joined: 11 Mar 2006
Posts: 815
Location: Guadeloupe (french caribbean island)
PostPost subject: Re: Stockfish clones in the AppStore: it's becoming a plague    Posted: Sun May 29, 2011 7:21 pm Reply to topic Reply with quote
Don wrote:
JuLieN wrote:
Don wrote:
I think there was a GPL violation.

This comes from the FAQ from the free software foundation:

Quote:
If you commercially distribute binaries not accompanied with source code, the GPL says you must provide a written offer to distribute the source code later. When users non-commercially redistribute the binaries they received from you, they must pass along a copy of this written offer. This means that people who did not get the binaries directly from you can still receive copies of the source code, along with the written offer.


Is there such a written offer that comes with the distribution?

Also, these "for sale" copies fall under GPL and they must be accompanied by a license. So there is a clearly a GPL violation.

I doubt GPL was designed to allow someone to market a free work by misrepresenting it as private without a GPL license.


We, computer chess people, are keeping the poor FSF busy. I bet three programs, Fruit, Crafty and Stockfish, represent 90% of their legal notices Wink


I don't think the universe revolves around us. I'm sure they get numerous claims of violations from many different types of applications. If this type of thing is happening even in computer chess you can be sure it's a general epidemic.



I would bet copyright violations on computer chess engine does not even appear on their radar, and if it does they are probably planning to take action in 2050.

The GnuChess engine has been illegally used many times on many platforms including Windows for PC, Windows Mobile, Symbian and PalmOS to create illegal commercial products and nothing has ever been done.

This has been going on for 20 years.

It is very naive to release code under the GPL and assume that the work is safely protected. The author must take responsability and invest time and energy in order to enforce fair use.

GnuChess, Fruit and now Stockfish are brilliant demonstrations that the GPL is not safe for small projects.

The GPL works for big projects like Linux. I believe it makes Linux unbreakable, and that's a good thing (I use Linux on all my computers, when possible).

Using the GPL for small projects is in effect equivalent to releasing your work to the public domain. Not from a legal point of view. I mean from a practical point of view.



// Christophe
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Subject Author Date/Time
Stockfish clones in the AppStore: it's becoming a plague... Julien MARCEL Sat May 28, 2011 12:11 pm
      Re: Stockfish clones in the AppStore: it's becoming a plague Martin Sedlak Sat May 28, 2011 12:53 pm
            Re: Stockfish clones in the AppStore: it's becoming a plague Tord Romstad Sat May 28, 2011 2:28 pm
                  Re: Stockfish clones in the AppStore: it's becoming a plague Bryan Whitby Sat May 28, 2011 3:08 pm
                        Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 5:21 am
                  Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 6:16 am
                        Re: Stockfish clones in the AppStore: it's becoming a plague Tord Romstad Sun May 29, 2011 7:02 am
                              Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 8:11 am
                                    Re: Stockfish clones in the AppStore: it's becoming a plague Tord Romstad Sun May 29, 2011 9:45 am
                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 6:59 pm
                                                Re: Stockfish clones in the AppStore: it's becoming a plague Evert Glebbeek Sun May 29, 2011 9:08 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 9:30 pm
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague Sven Schüle Sun May 29, 2011 10:32 pm
                                                                  Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 10:49 pm
                                                                        Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sun May 29, 2011 10:53 pm
                                                                              Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 11:01 pm
                                                                                    Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sun May 29, 2011 11:03 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 11:57 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Alex Brown Mon May 30, 2011 2:01 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Mon May 30, 2011 4:57 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Alex Brown Mon May 30, 2011 9:32 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Eelco de Groot Mon May 30, 2011 11:04 am
                                                                                    Re: Stockfish clones in the AppStore: it's becoming a plague H.G.Muller Tue May 31, 2011 2:19 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Miguel A. Ballicora Tue May 31, 2011 2:39 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Michel Van den Bergh Tue May 31, 2011 2:51 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Eelco de Groot Tue May 31, 2011 3:20 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Tue May 31, 2011 6:09 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Eelco de Groot Tue May 31, 2011 7:24 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Wed Jun 01, 2011 3:19 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Thu Jun 09, 2011 7:00 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Fri Jun 10, 2011 11:23 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Fri Jun 10, 2011 11:44 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sat Jun 11, 2011 10:04 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Jun 11, 2011 12:09 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sat Jun 11, 2011 2:06 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Fri Mar 16, 2012 2:48 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Bigler Fri Mar 16, 2012 3:14 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Ted Wong Fri Mar 16, 2012 3:17 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Gabriel LEPERLIER Sat Mar 17, 2012 5:40 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sat Mar 17, 2012 6:31 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Mar 17, 2012 6:48 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sat Mar 17, 2012 7:05 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Mar 17, 2012 7:10 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sat Mar 17, 2012 9:09 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Mar 17, 2012 9:26 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sat Mar 17, 2012 9:34 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Mar 17, 2012 9:49 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Martin Sedlak Sat Mar 17, 2012 10:27 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Mar 17, 2012 10:39 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steven Atkinson Sat Mar 17, 2012 11:03 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sun Mar 18, 2012 3:02 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Ron Langeveld Sat Mar 17, 2012 11:26 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sun Mar 18, 2012 3:09 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steven Atkinson Sun Mar 18, 2012 3:40 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sun Mar 18, 2012 3:50 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steven Atkinson Sun Mar 18, 2012 3:59 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sun Mar 18, 2012 4:07 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steven Atkinson Sun Mar 18, 2012 4:04 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sun Mar 18, 2012 4:09 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Steven Atkinson Sun Mar 18, 2012 4:20 am
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Ronald de Man Sat Mar 17, 2012 11:22 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Mar 17, 2012 11:28 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Ronald de Man Sat Mar 17, 2012 11:53 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Darrel Briley Sat Jun 11, 2011 1:19 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Tue May 31, 2011 6:01 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague H.G.Muller Tue May 31, 2011 6:05 pm
                              Re: Stockfish clones in the AppStore: it's becoming a plague Jon Dart Sun Mar 18, 2012 2:05 pm
                                    Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sun Mar 18, 2012 2:15 pm
                                          Re: Stockfish clones in the AppStore: it's becoming a plague Jon Dart Sun Mar 18, 2012 2:30 pm
                                                Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sun Mar 18, 2012 2:33 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Jon Dart Sun Mar 18, 2012 2:43 pm
                                    Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sun Mar 18, 2012 2:48 pm
                                          Re: Stockfish clones in the AppStore: it's becoming a plague Jon Dart Sun Mar 18, 2012 2:55 pm
                                                Re: Stockfish clones in the AppStore: it's becoming a plague Steve Maughan Sun Mar 18, 2012 3:08 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Jon Dart Sun Mar 18, 2012 3:30 pm
                                                            Apps with Stockfish engine Stefan Brettschneider Sat Jul 28, 2012 10:55 am
                                                                  Re: Apps with Stockfish engine Julien MARCEL Sat Jul 28, 2012 11:01 am
                                                                        Re: Apps with Stockfish engine Stefan Brettschneider Sat Jul 28, 2012 11:06 am
                              Re: Stockfish clones in the AppStore: it's becoming a plague Bryan Whitby Wed Sep 05, 2012 7:03 am
                                    Re: Stockfish clones in the AppStore: it's becoming a plague john dalhem Thu Sep 06, 2012 5:43 pm
                                          Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Tue Sep 25, 2012 6:42 am
                                                Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Fri Oct 19, 2012 7:48 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Martin Sedlak Sat Oct 20, 2012 6:22 am
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Stefan Brettschneider Sat Oct 20, 2012 9:38 am
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague John Krush Sat Oct 20, 2012 10:24 am
                                                                  Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat Oct 20, 2012 12:56 pm
                                                                        Re: Stockfish clones in the AppStore: it's becoming a plague Krzych Cybulsky Sat Oct 20, 2012 2:02 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Krzych Cybulsky Sat Oct 20, 2012 2:09 pm
                        Re: Stockfish clones in the AppStore: it's becoming a plague Greg Simpson Sun May 29, 2011 9:11 pm
            Re: Stockfish clones in the AppStore: it's becoming a plague Joshua Shriver Thu Sep 06, 2012 2:42 am
                  Re: Stockfish clones in the AppStore: it's becoming a plague Martin Sedlak Sat Oct 20, 2012 6:21 am
      Re: Stockfish clones in the AppStore: it's becoming a plague F. Bluemers Sat May 28, 2011 1:01 pm
            Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat May 28, 2011 1:05 pm
                  Re: Stockfish clones in the AppStore: it's becoming a plague Andres Valverde Sat May 28, 2011 1:45 pm
                        Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sat May 28, 2011 1:53 pm
                  Re: Stockfish clones in the AppStore: it's becoming a plague F. Bluemers Sat May 28, 2011 2:07 pm
      Re: Stockfish clones in the AppStore: it's becoming a plague Don Dailey Sat May 28, 2011 5:21 pm
            Re: Stockfish clones in the AppStore: it's becoming a plague Marco Costalba Sat May 28, 2011 5:46 pm
                  Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 5:23 am
                        Re: Stockfish clones in the AppStore: it's becoming a plague Marco Costalba Sun May 29, 2011 6:46 am
                              Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 7:07 am
                                    Re: Stockfish clones in the AppStore: it's becoming a plague Marco Costalba Sun May 29, 2011 7:49 am
                                          Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 8:13 am
                                                Re: Stockfish clones in the AppStore: it's becoming a plague Gian-Carlo Pascutto Sun May 29, 2011 9:25 am
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sun May 29, 2011 9:39 am
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague Alfonso Turri Mon May 30, 2011 10:36 pm
                                                                  Re: Stockfish clones in the AppStore: it's becoming a plague Alfonso Turri Mon May 30, 2011 10:47 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Mike Scheidl Sun May 29, 2011 9:56 am
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 6:47 pm
                                                Re: Stockfish clones in the AppStore: it's becoming a plague Tord Romstad Sun May 29, 2011 9:57 am
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Sven Schüle Sun May 29, 2011 11:46 am
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 7:03 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Don Dailey Sun May 29, 2011 12:16 pm
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague Julien MARCEL Sun May 29, 2011 12:28 pm
                                                                  Re: Stockfish clones in the AppStore: it's becoming a plague Don Dailey Sun May 29, 2011 6:05 pm
                                                                        Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 7:21 pm
                                                                              Re: Stockfish clones in the AppStore: it's becoming a plague Gian-Carlo Pascutto Mon May 30, 2011 3:44 pm
                                                                                    Re: Stockfish clones in the AppStore: it's becoming a plague Sven Schüle Mon May 30, 2011 4:37 pm
                                                                                          Re: Stockfish clones in the AppStore: it's becoming a plague Gian-Carlo Pascutto Mon May 30, 2011 10:47 pm
                                                                                    Re: Stockfish clones in the AppStore: it's becoming a plague Don Dailey Mon May 30, 2011 5:44 pm
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 7:07 pm
                                                                  Re: Stockfish clones in the AppStore: it's becoming a plague Don Dailey Sun May 29, 2011 8:56 pm
                                                                        Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 10:42 pm
                                                                              Re: Stockfish clones in the AppStore: it's becoming a plague Don Dailey Sun May 29, 2011 11:26 pm
                                                            Re: Stockfish clones in the AppStore: it's becoming a plague Greg Simpson Sun May 29, 2011 9:28 pm
                                                      Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 7:00 pm
                                          Re: Stockfish clones in the AppStore: it's becoming a plague Bryan Whitby Sun May 29, 2011 8:17 am
                                                Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 8:26 am
                              Re: Stockfish clones in the AppStore: it's becoming a plague H.G.Muller Mon May 30, 2011 6:21 pm
      Re: Stockfish clones in the AppStore: it's becoming a plague Sean Evans Sat May 28, 2011 8:29 pm
            Re: Stockfish clones in the AppStore: it's becoming a plague Alex Brown Sat May 28, 2011 9:34 pm
                  Re: Stockfish clones in the AppStore: it's becoming a plague Don Dailey Sat May 28, 2011 9:58 pm
                        Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 7:21 am
                  Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 5:43 am
      Re: Stockfish clones in the AppStore: it's becoming a plague Roman Hartmann Sun May 29, 2011 7:04 am
            Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 8:18 am
                  Re: Stockfish clones in the AppStore: it's becoming a plague Sven Schüle Sun May 29, 2011 11:40 am
                        Re: Stockfish clones in the AppStore: it's becoming a plague Christophe Théron Sun May 29, 2011 7:25 pm
      Re: Stockfish clones in the AppStore: it's becoming a plague Krzych Cybulsky Sat Oct 20, 2012 2:12 pm
            Re: Stockfish clones in the AppStore: it's becoming a plague H.G.Muller Sat Oct 20, 2012 3:22 pm
            Re: Stockfish clones in the AppStore: it's becoming a plague H.G.Muller Sat Oct 20, 2012 3:23 pm
                  Re: Stockfish clones in the AppStore: it's becoming a plague Asim Pereira Tue Nov 27, 2012 7:46 am
      Re: Stockfish clones in the AppStore: it's becoming a plague Jianzhao Zhu Thu May 23, 2013 9:13 am
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