Starts with the letter 'Com'
- Commodore Chess. Featuring the Commodore piece (also called Leo) on a Gustavian board. By M Winther.
- Complete Permutation Chess. Carrera pieces given additional falcon movement ability are added to wide 8 row board. Author: Jeremy Gabriel Good. Inventor: George William Duke and Peter Aronson.
- Compound Chess. Chess on a 10x8 board with Sergeant pawns & armies of compound pieces. By Kevin Pacey.
- Compton Medieval Chess. Large variant with three new pieces. By Travis Compton.
|4 'Play by mail item' entries listed||3 'Large board' entries listed|
|1 'Unorthodox shaped board' entry listed||1 'In a category all its own' entry listed|
Total items listed: 4