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Subject: Re: Unauthorized use of Rebel books

Author: Marc van Hal

Date: 16:56:50 05/02/02

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On May 01, 2002 at 12:47:25, Robert Hyatt wrote:

>On May 01, 2002 at 07:31:25, Marc van Hal wrote:
>
>>On April 30, 2002 at 23:28:59, Robert Hyatt wrote:
>>
>>>On April 30, 2002 at 17:52:01, Ed Schröder wrote:
>>>
>>>>On April 30, 2002 at 16:31:01, Peter McKenzie wrote:
>>>>
>>>>>This isn't a copyright issue, its not even a legal issue in the traditional
>>>>>sense.  It is about the rules for a particular competition, namely the ICCA
>>>>>World Computer Chess Championship.  If the rules say that you can't use someone
>>>>>elses book in the tournament (and its not even clear that they do say this),
>>>>>then you can't use someone elses book regardless of what copyright says.
>>>>
>>>>You have understood the problem, you are not going to fight your own opening
>>>>book in world championship event.
>>>>
>>>>Ed
>>>>
>>>
>>>Of course, this begs the _other_ issue.  Do I have to "fight" Jeroen's book
>>>_two_ times in a single tournament?  That hardly seems fair either.  Yet he
>>>does the book for Rebel and Tiger...
>>
>>>I think it is fair (talking about the upcomming version of Tiger).
>>If Jeroen has givven both programs his authorisation of using this book and if
>>they are registered in this way.
>>
>>
>>Regards              Marc
>>>
>
>
>Then can I not give someone permission to use my search and evaluation in a
>program to get multiple copies of "crafty" into a tournament???  The GUI would
>be different.
>
>The opening book typically supplies 15-20 moves.  That is typically 50% of
>the _entire_ game, since most games are decided by move 40 (perhaps leaving
>some mop-up to go of course).
>
>Isn't 50% a major contribution?  Isn't using that in more than one engine
>very much like using the _same_ engine for half of the game???
>
>Not it is not the same as using diferent copy's of 1 programin that tournament
>Because there are 2 diferent authors
with 2 diferent engines the out come of these games will not always the same
>because of the engines
It would be the same if someone else changed crafty and did get the full
authorship over the engine.

Marc
>>>
>>>
>>>>>Of course ICCA can't send you to jail if you break their rules :-)  But they can
>>>>>chuck you out of their tournament.



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