Author: Rolf Tueschen
Date: 15:43:54 05/12/05
Go up one level in this thread
On May 12, 2005 at 18:26:32, Dann Corbit wrote: >On May 12, 2005 at 18:20:12, Robert Hollay wrote: > >> When you buy Delphi, you automaticaly get rights to use certain libraries >>in your CLOSED SOURCE projects. Whereas with GNU GPL licence (Fruit) >>you have rights to modify the sources, but they must remain open. >> On the other side, I'm not sure that making chess engines open source was a >>good practice. People could share ideas, algorithms, code samples, etc... but >>when >>a magician reveals ALL his tricks to the public, then the magic disappears ... > >Which is (of course) a good thing. > >>Computer chess is a hobby, a game, a competition, and not so vital to the >>human race that one is supposed to share all his secrets with others. > >The algorithms of chess are benefical for many things. It is an abstract search >of a complicated solution space. There are many tasks in life that can use the >same ideas. > >>Exactly these little secrets can make it exciting! > >Hiding information is for lazy people. C. A. R. Hoare inveted a sort routine >called quicksort a while back. He showed other people how to do it. What an >evil man?! > >> And just one more thing. If you place a well-laid table full of delicious food >> in the centre of a city full of starving people, then you shouldn't expect >>that the table remains untouched ... maybe in fairy tales! > >If you publish a book, you should expect people to steal it then? > >>Robert If you've read a book full of smart ideas, is it your position that you are NOT allowed to use the new ideas in your own work? I don't understand why you read books at all, if that should be your position. The same is it if you use parts of open sources which have impressed you in your own work. Dann, before I ask some more questions to your other message, could you give me your opinion about the following? Are you absolutely sure that for example SHREDDER, to take just the actually best program, is absolutely without any ideas or code from such open sources? Even I as lay can imagine that someone with enough talents could hide or re-write such code to make him appear innocent. And to the best of my mind I didn't hear about a human being other than Stefan who has seen Stefan's code. I do NOT claim that SHREDDER contains any forbidden parts. My question was if you could prove if there were such code. What do readers think about it?
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