Starts with the letter 'C'
- Castle Siege Chess . Byzantine Chess merged with 6x6 chess board. By Richard VanDeventer.
- Chess on a Soccer Ball . Chess played on the 20 hexagons and 12 pentagons of a soccer ball. By David Cannon.
- Chessopoly . Board with a hole in the middle where pawns move clockwise. Author: Andrew Juell. Inventor: Ralph Betza.
- Circular Chess . Chess on a round board with modern pieces. Author: Robert Price. Inventor: Dave Reynolds.
Total items listed: 4