Items Invented by Alfred Schönfelder
- Big Board Chess. On a 10 by 10 board with individual opening setup. (10x10, Cells: 100) By Alfred Schönfelder.
- Big Board Chess. Large set with setup phase. Author: Ed Friedlander. Inventor: Alfred Schönfelder.
- Big Board Chess. Play Big Board Chess online with Game Courier. Author: Fergus Duniho. Inventor: Alfred Schönfelder.