Items Invented by John Driver
- Edgehog Chess. Three Chess variants featuring John Driver's edge-loving piece the Edgehog. (8x8, Cells: 64) Author: Peter Aronson. Inventor: John Driver.
- Edgehog Chess. Queens may move only to or from edges of the board. Author: Ed Friedlander. Inventor: John Driver.
- Edgehog. Moves as a Queen, but only to or from an edge. Author: Peter Aronson. Inventor: John Driver.
- Edgehog Chess . Three Chess variants featuring John Driver's edge-loving piece the Edgehog. Author: Peter Aronson. Inventor: John Driver.