Starts with the letter 'C'
- Cai Qi. Chesslike game on circular board. Inventor: Patrick Hassel Zein.
- Canopus. Most pieces movements are range-limited. The game play is violent and tense, but fluid. (9x8, Cells: 72) By Roberto Lavieri.
- Captain Spalding Chess. Find an Elephant in your Pajamas. By Ralph Betza.
- Castalia Chess. Introducing the Castalia, which moves like a queen but cannot capture. Instead it can magnetically dislocate pieces (zrf exists). By M Winther.
- Catalonia. Cooperative variant where the players are trying to form chains while the board is getting bombarded. (8x8, Cells: 64) By Francois Tremblay.
- Cetina Random Chess. Play with a sissa and a chancellor from a randomly generated setup. By Carlos Cetina.
- Cetran Chess 2. Missing description (8x8, Cells: 64) By Carlos Cetina.
- Chad. Castles and walls in a strategic deep chess variant. (12x12, Cells: 144) By Christian Freeling.
- Chain of Fools. Game with a Chess set where the goal is form chains of defended pieces. (8x8, Cells: 64) By Francois Tremblay.
- Chakra. Variant with fairy pieces and transmitters that can transport pieces. (8x8, Cells: 64) By Christian Freeling.
- Chameleon Chess Redux. Missing description (8x8, Cells: 64) By Adam Goss.
- Checkers with Bosses. Checkers variant with different types of pieces. Game's main feature are Bosses. (8x8, Cells: 64) By Daniil Frolov.
- Chess on a Longer Board with a few Pieces Added. On a 10 row by 8 column board, with three new pieces. (8x10, Cells: 80) By David Howe.
- Chess Wars 2.2- The Raid. Missing description (8x8, Cells: 64) By Daniel Robert MacDuff.
- Chess with checkers added. Add checkers in front of the pawns. (8x8, Cells: 64) By (zzo38) A. Black.
- Chess with Cyclical Armies. Whenever a piece moves, it changes to another type of piece of vaguely similar value. By Peter Aronson.
- Chess with Promoters. Missing description (8x8, Cells: 64) By Roberto Lavieri.
- A Chess-like Variant Construction Set. Build your own army and territory. By David Howe.
- Chess-like Variant Construction Set. Critique. Author: John William Brown. Inventor: David Howe.
- Chessgi. Drop the pieces you take from your opponent. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Chessoids: SuperPawn and NeutronChess. A large and complicated chess variant. (11x10, Cells: 111) By Eugen Laukamp.
- Chestria. Each player has 11 randomly selected pieces in this game of placement and flipping. (5x5x3, Cells: 43) By Jared B. McComb.
- Choiss. First place your squares, then your pawns, then your pieces, then move. Author: Ben M Reiniger. Inventor: Peter A. Victor.
- Clear of knights chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Clockwork Orange Chess. Captured pieces are replaced with non-capturing counterparts. (8x8, Cells: 64) By Fergus Duniho.
- Colour Chess and Lure. Chess Variant where the board is different every time you play, and you can control what pieces your opponent can move next. By Chad W Smith.
- Connect Shoot Kill. A mix of dots and boxes with chess pieces.
- Consider the Bishop.... A Game of Curiosity and Etiquette. (8x8, Cells: 64) By Daniel Robert MacDuff.
- Constable Chess. Introducing the Constable piece on an H-shaped board. A game for attacking players. With zrf. By M Winther.
- Continuous Chess. There are no 'squares' on the board, and pieces are not restricted to moving discrete distances. By David Howe.
- Copycat Chess. New piece added which copies move of just-moved piece. (8x8, Cells: 64) By Lim Ther Peng.
- Cowardly Crew. After a capture, adjacent pieces can change sides. (8x8, Cells: 64) By Terry H. Jones.
- Cows and Butterflies. A simple Chess-like game of exchanges and promotions. Author: Peter Aronson. Inventor: Jennifer Aronson.
- Crazyhouse. A two-player version of Bughouse. (8x8, Cells: 64) (Recognized!) Author: Fergus Duniho.
- Crazyhouse Kriegspiel. Combines Crazyhouse with Kriegspiel. (8x8, Cells: 64) By David Dana-Bashian.
- Crossbishop Chess. Introducing the Crossbishop piece, with interesting cannon capabilities (Zillions file downloadable). By M Winther.
- Crossrook Chess. Introducing the Crossrook, a versatile piece with cannon capabilities (Zillions file downloadable). By M Winther.
- The Crown of Krithala. Pieces move a crown which the opponent wants to capture. By Lawrence C. Smith.
- CSIPGS (comp.sys.ibm.pc.games.strategic) Chess Variants. Variants on csipgs Chess and a handy overview of its rules. By Hans L. Bodlaender.
- Cuarenta. Played only of the light-colored squares of a 9 by 9 board. By Mark Thompson.
Total items listed: 40