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Subject: Re: Usage of egtb.cpp in GPL software (Amy, ExChess, ...)

Author: Dan Homan

Date: 14:48:34 12/05/00

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As the author of EXchess, this concerns me greatly.  I never released
the endgame tablebase code as GPL.  I simply included those files in my
distribution (like crafty) so that people could compile my program.  I've
written to Eugene about this.

I really feel terrible about this and for now I am pulling the EXchess
source-code from my webpage and would ask others to do the same (for those
who have posted it) until this is cleared up.  The easiest thing for me
to do in the future is to merely specify that an interested party will
have to obtain the endgame tablebase code separately if they want to
compile my program and give them a reference to crafy's ftp site.

 - Dan

On December 05, 2000 at 12:31:04, Gian-Carlo Pascutto wrote:

>On December 04, 2000 at 16:56:48, Eugene Nalimov wrote:
>
>>(quote)
>>
>>   "All rights reserved.  No part of this program may be reproduced in any
>>   form or by any means, for other than your personal use, without the
>>   express written permission of the author."
>>
>>(end quote).
>>
>>Eugene
>>
>
>Uhm if this is are your effective terms then I not see how Amy and
>ExChess can legally use that code and be distributed under GPL.
>
>Vincent should be absolutely ok to take the egtb code from either of
>those two and use it under the terms of the GPL. (which is probably
>not interesting to him as he sells his program) If he cannot legally
>do that, Amy and ExChess have a serious licensing problem.
>
>I would appreciate it if you would clear this out Eugene...what
>copyright/license rests on the egtb probing code? Do you accept
>distribution of your code under terms of the GPL? ( you cannot
>ask for written permission in that case )
>
>--
>GCP



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