Promethean Chess

If you had a Java-capable browser, you could play Promethean Chess here.
Keys "s"=save "l"=load "b"=back once

Non-royal units moving to any non-royal unit's home square and then leaving produce a duplicate. According to Pritchard, this is supposedly untested as a game.

Chess Variants

Meet Ed

These are simple illustrations rather than strong opponents.

Bug reports? -- Thank you! Keep them coming!