Items Invented by H. G. Muller on Jocly
- Elven Chess. Play this 10x10 variant with a double-capturing piece on Jocly. Author: H. G. Muller and Michel Gutierrez. Inventor: H. G. Muller.
- Team-Mate Chess. Play this variant in which it takes a team to checkmate the King on Jocly. Author: H. G. Muller and Michel Gutierrez. Inventor: H. G. Muller.
- Werewolf Chess. Play this variant in which contagious Werewolves replace Queens on Jocly. Author: H. G. Muller and Michel Gutierrez. Inventor: H. G. Muller.