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Subject: Re: Fruit and Tablebases

Author: Dann Corbit

Date: 22:31:24 11/18/05

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On November 19, 2005 at 00:40:50, Ryan B. wrote:

>On November 18, 2005 at 17:27:23, Dann Corbit wrote:
>
>>On November 18, 2005 at 15:44:16, Mike Hood wrote:
>>
>>>Today I read the information for the first time why Fruit 2.1 does not use
>>>tablebases for probing. (Sorry if this matter has been discussed in the past,
>>>it's new to me).
>>>
>>>The main reason given is "the source code by Eugene Nalimov is not 'free of use'
>>>(although you don't have to pay for it)".
>>>
>>>What does the author mean by this, and why is it a problem?
>>
>>Fruit 2.1 is licenced GPL.
>>Nalimov tablebase access is not GPL.
>>
>>Therefore, Nalimov tablebase files simply cannot be used with Fruit 2.1 (or any
>>other GPL licensed program).
>>
>>GPL stiplulates that all the code in the project becomes GPL also.  That is
>>contrary to the license for the Eugene Nalmov/Andrew Kadtech tablebase access
>>code.
>>
>>For more information, do a web search on "Copyleft Virus".
>
>
>No GPL program can use EGTB?  Even Sjeng?

One license or the other is broken if the TB stuff is used in a GPL program.
They are definitely mutually exclusive license types.



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