Computer Chess Club Archives




Subject: Re: Ken Thompson's Endgame DBs....Still no copyright?

Author: John Merlino

Date: 10:09:09 04/26/00

Go up one level in this thread

On April 25, 2000 at 23:55:32, Robert Hyatt wrote:

>On April 25, 2000 at 16:04:25, Pete Galati wrote:
>>On April 25, 2000 at 14:01:24, John Merlino wrote:
>>>Is it true that you can still ship your engine with Ken Thompson's endgame
>>>databases (and code to access them, of course) with only a credit to the author?
>>>My version of these CDs that I have is four years old, but that's what it
>>>implies in the readme file....
>>It is my understanding that Ken Thompson no longer uses CCC.  You may however be
>>able to contact him if you can find an email address for him, I don't have it.
>I can give it to you if you contact me via private email.  I hate to post
>email addresses in public places, as the riff-raff pick up on it and cause

I already found his e-mail address, asked him what the status was, and he
replied very quickly! Apparently, his databases are still not copyrighted, and
only require giving him credit somewhere in the program.


p.s. Crafty uses a different tablebase format, correct? If so, why?

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