- 21st Century Chess. Missing description
- Kings. Kings on the Game Courier.
- Multiple of 10 Checkmate. Variant where you can only checkmate or be checkmated on move 10, 20, 30, ect..
- Queen of the Night Chess. An over powered game on the Standard Board.
- Swedish Chess. Drop chess with regular pieces. Pieces dropped can relocate friendly pawns.
|5 'Play by mail item' entries listed||2 'Large board' entries listed|
|1 'Chess combined with some other game or sport' entry listed|
Total items listed: 5