Items Invented by German A. Mentz
- Cuban Chess. 10x10 variant from Havana with Vampire Bats that move as King, Knight or Zebra. Author: Ed Friedlander. Inventor: German A. Mentz.
- Cuban Chaturang. 10x10 variant from Havana with Vampire Bats that move as King, Knight or Zebra. Author: Ivan Derzhanski. Inventor: German A. Mentz.