Items Invented by Seth Blanchard
4-Player Pothole Chess. Bulldozers and cars and other vehicles are pieces in 4-player chess variant. (7x7, Cells: 39) and Seth Blanchard. and Seth Blanchard.
Assassination Chess. On a 10 by 10 board with teleporters and assassins. (10x10, Cells: 100) and Seth Blanchard. and Seth Blanchard.