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Subject: Re: On avoiding Gothic Chess licensing problems

Author: Sune Fischer

Date: 18:08:20 06/18/04

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On June 18, 2004 at 20:53:45, Ed Trice wrote:

>
>>
>>Ie. suppose I started producing chess boards and pieces to play Capablanca
>>chess, those could be used for the Gothic position as well so is it an
>>infringement?
>
>No. If you supply rules for Capablanca Chess in your game, and setup
>instructions for Capablanca, you have not infringed on anything.
>
>This was never claimed by me.

But this is exactly the point we have been arguing over and over with
programming a capablanca chess engine.

It seems you've been saying such an engine with a position setup feature would
be illegal, or did I misunderstand that?

>>If it is, then how come Gothic isn't infringing on Capablanca in the same way?
>
>Because Gothic Chess is not Capablanca Chess. Capablanca Chess has many flaws in
>it.

It is the same game, just with different initial positions.

"Gothic position in Capablanca chess" would be a more accurate name I think.

>>What if I patented a third opening position, then Ed would be infringing on my
>>position if his GUI had a position setup feature.
>
>I do not understand what you are talking about here.

That's because your answer to my first question was unexpected, but that's good!

>>What if I invented an entire subgame with only kings, pawns and knights, then Ed
>>would be infringing on the patent everytime he reached one of those positions.
>
>My subgame is reachable under the METHOD of play in my patented brand of the
>game. So, since mine pre-existed, yours is not infringed upon.

Your subgame is also reachable under capablanca chess, capablanca chess
pre-existed gothic so your subgame cannot be patented, just the opening
position.

>>What if I patented a new way of slicing tomatoes, then all knives that could be
>>used for this kind of slicing would require a license from me?!
>
>This is soooooo ridiculous. Spend money on trying to patent it, then get back to
>me.

If it's true that a capablanca chess engine with a setup feature is not
violating your patent, then it's wasn't a good example.

In fact I have no complaints if you allow such software.

-S.



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