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Subject: Re: Call for an Open Book Format

Author: Jay Urbanski

Date: 11:23:38 02/22/06

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On February 22, 2006 at 13:48:07, David Dahlem wrote:

>On February 22, 2006 at 13:19:12, Jay Urbanski wrote:
>
>>On February 22, 2006 at 03:06:03, Eelco de Groot wrote:
>>
>>>On February 21, 2006 at 23:12:35, Jay Urbanski wrote:
>>>
>>>>see previous message
>>>
>>>Hello Jay, I think a lot to be said for that but there may be practical and
>>>commercial reasons for Jeroen and Vasik. I don't have any Chessbase programs and
>>>also not bought Rybka, but I can believe that for Jeroen, Chessbase has the best
>>>options for his bookediting work. That was why even Pro Deo ran in Chessbase GUI
>>>in Leiden the last years, something almost amounting to blasphemy... If I may
>>>use that word... So in fact we have a de facto industry standard for bookmakers
>>>that is not free, and because it is not, converting a ctg book to another format
>>>is not easy. Not much to be done about it I think...
>>>
>>> Regards, Eelco
>>
>>I wonder how much work it would be to reverse engineer the .CTG format?
>
>Is that legal?
>
>Regards
>Dave

I don't see why not.  It's not documented, but neither is it protected by some
type of rights-management that would make it illegal to bypass (DMCA).

It would be similar to the Samba project, where some enterprising individuals
reverse-engineered Microsoft's SMB file sharing protocol (now CIFS, and a
published spec).   It was the only way we got real file-sharing interoperability
between Linux and Windows.



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