Anonymous wrote on Thu, Aug 21, 2008 06:16 PM UTC:
http://www.zillionsofgames.com/cgi-bin/zilligames/submissions.cgi/48909?searchgame=Advancing%20Chess
This game, Advancing Chess, by M. Howe, might have solved some of the
problems that Dipole can exhibit. If I may take the liberty of quoting a
private email from the author: 'the Zillions website shows random arrays
with rotation symmetry, but I have since then decided that the game should
be played with bilateral symmetry, reducing the number of starting
positions to 5040.' The game was posted on Zillions St. Patrick's Day
last year.
I looked up Advancing Chess in the CV database, but did not find it. One
could wish for a complete online linked encyclopedia of variants...