Echo Chess I

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

Ralph Betza's variant. Except on White's first move, you are required to make a second move with a different piece of the same kind, and in the same direction for the same distance. If one move is a capture, the other must be also. King and queen are considered to be of the same kind.

Limited Doublemove Chess

Chess Variants

Meet Ed

These are simple illustrations rather than strong opponents.

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