Author: Dann Corbit
Date: 17:07:32 02/15/05
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On February 15, 2005 at 19:05:35, John Merlino wrote: [snip] >But let's say that an author took TSCP, modified it to some degree and gave Tom >credit. Even though you do not call that a clone, would you still say it is >acceptable for it to be entered in a tournament like the CCT? Do you think >others would complain? If he has Tom's permission, then nobody will mind. Tom is very clear that TSCP is for learning but not for a startup project. Bruja's author was nice enough to donate his code for the simplified engine Simon to the public domain. In an hour's time, you can raise the Elo by 200 points, too. And the author of Vchess Shaun Press donated his 0x88 move generator. Here is a note that he sent to me, when I inquired about the rights to use the code for chess experiments: "From: Shaun Press [addr_changed.by@dann.corbit.he_migh_not_want_it_broadcast] Sent: Thursday, April 22, 2004 9:31 PM To: Dann Corbit Subject: Re: Your 0x88 move generator from Vanilla Chess version 2.5 On Fri, 2004-04-23 at 14:20, Dann Corbit wrote: > Is it possible to use your move generator in other open source > projects? Your usage terms are not clear to me. > > It seems to me that your move generator is among the easiest to > understand from that genre. > Feel free. There is absolutely no copyright on any of the vchess stuff, especially as it was based on the work and suggestions of others. I assume you have the source? Shaun Press" If you want to use vchess for a closed source project, you would need new permissions for that, because I did not inquire about it. Anyway, Simon and Vchess are both far better than TSCP as a starting point and simple enough that you could feel some pride of workmanship from writing a better engine using that code as a base.
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