Keys "s"=save "l"=load "b"=back once
Classic variant from Havana. The crocodile is called the "vampire" or "bat". It moves as a king, knight, or 3,2 leaper. I have not yet added the en initial three-square pawn move or en passant capturing.
Bodlaender's Chess Variants
Hans Bodlaender's Chess Applet
Ed's Chess Variants
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!