Copyright Notice

I shouldn't need this, or at least didn't until I got an offer to (more or less) mirror these pages or some of them.

Everything in my pages is copyright by me, and

  1. If you use it in a non-profit way you must get permission (I won't refuse; it's a formality) and give credit.
  2. If you use it to make money you must get permission (and I'll be reasonable!) and give credit.

It is possible to copyright the expression of an idea, but it is not possible to copyright an idea. For example, the rules of Taxi Chess are the expression of the idea of chess-with-metered-moves, and you cannot cheat the copyright by using those rules and explaining them in different words.

For example, it would be both wrong and illegal to do a commercial or shareware program for Trapdoor Chess without my consent.

Other Links In these Pages

This is a link to a Mailme.
This is a mirror of Ralph Betza's World Wide Web pages, mirrored as part of the Chess Variant Pages. The original site is no longer up. Feedback on the content of this page should be sent to Ralph Betza.
Last update of this mirror on March 16, 1999.
The Chess Variant Pages On the Chess Variant Pages Feedback: Hans Bodlaender
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