Items Invented by Mark Woodall
- Four Handed Roman Chess. 4 player chess variant with additional new piece. By Mark Woodall.
- Roman Chess. Commercial chess variant on a 10x10 board with two non-royal kings added. Author: Greg Strong. Inventor: Mark Woodall.
- Roman Chess. 10x10 variant available commercially. Author: Ed Friedlander. Inventor: Mark Woodall.
- Roman Chess . Commercial chess variant on 10x10 board with two non-royal kings added. Author: Fergus Duniho. Inventor: Mark Woodall.