Anonymous wrote on Tue, Apr 26, 2011 11:47 AM UTC:
extinction chess is also played on schemingmind.com & even links back to
this very page here on CV .org
Extinction Chess
Rules
Invented by R. Wayne Schmittberger and added here with his permission.
More information on Extinction Chess is available on ChessVariants.org
[ http://www.chessvariants.org/winning.dir/extinction.html ]