Author: Robert Hyatt
Date: 12:06:11 08/28/01
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On August 28, 2001 at 13:38:58, Bruce Moreland wrote: >On August 28, 2001 at 13:28:57, Robert Hyatt wrote: > >>On August 28, 2001 at 12:42:35, Gian-Carlo Pascutto wrote: >> >>>On August 28, 2001 at 09:40:45, Bruce Moreland wrote: >>> >>>>It is ludicrous to claim that Crafty is commercial. Crafty is available under >>>>the GPL. This means that anyone can sell it, but the source must be available >>>>for nothing. >>> >>>This is not true. Crafty is not Free Software and falls under >>>a more restrictive license. (opensource would be a more >>>appropriate name) >>> >>>You could make arguments for and against that, but Bob is >>>the programmer so Bob picks the license. >>> >>>-- >>>GCP >> >> >>There are only a few differences between crafty's license and the GPL. Those >>differences are there due to a problem that happened a couple of years ago. >>Actually multiple different problems... > >I think I asked this before, but I don't remember what your answer was. If >Chessbase modifies Crafty and sells the resulting program, it would seem that >under the GPL they must provide the modified source free of charge. > >If they have turned Crafty into a native Chessbase engine, it would seem that >they need to release the source to that, which would allow others to know how to >make native Chessbase engines. > >Do you know anything about this? > >bruce Technically you are correct. I put that in the license for a specific reason, namely to avoid the "modified crafty" clones that contain "secrets". I suppose I could tell them to release the source or else... but I really haven't been interested in how their API works. I only wanted to make sure that if someone does something interesting to Crafty, that _everybody_ gets to take advantage of it.
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