- Caïssa. Christian Freeling's game with a royal queen.
- Chessence. Units move and capture depending on their proximity to their colleagues.
- Compact Chess. Small version popular in South Africa.
- Congo. Animals fight on 7 by 7 board.
- Diana Chess. Miniature chess game from the late 1800's.
- Echos. Transform your non-attacked, non-royal units as you like.
- Half Chess. 4x8 board, plays well.
- Hexes Chess . Hexes Chess requires fewer chess pieces and a smaller board than conventional chess, but increases the mobility of each piece.
- Italian Miniature Progressive Chess. 5x5 progressive game as played in Italy.
- Loonybird. Pieces on a seven by seven board move differently when they take.
- Los Alamos Chess. Used for the first computer chess program.
- Mini-Shogi. Missing description
- Miniature Chess. From an old Martin Gardner column in "Scientific American".
- Monarch Hexagonal Chess. Proprietary hexagonal variant.
- Petite Chess. Chess on a 5 by 6 board.
- Philosopher's Chess. Winner of the 40 squares contest.
- Pixelpusher variant: Chess on a board with 37 squares. Java applet for chess variant on a 37-square board.
- Pixelpusher: Los Alamos chess. Weak playing Java applet for Los Alamos chess.
- Shakti. Christian Freeling's simple, elegant game with disappearing squares.
- Toystore Chess. A problem-like Chess variant on a 5x5 board with free placement.
Total items listed: 24