Keys "s"=save "l"=load "b"=back once
J. von Ranson, 1820. The amazon can move only four times, and can only attack the opposing king as a knight. If a king moves to the opposite king's starting square, a queen appears alongside if the square is vacant. Soldiers promote to file pieces; I chose to promote to a queen on the king's file.
Bodlaender's Chess Variants
Ed's Chess Variants
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!