Starts with the letter 'r'
- Rhino Chess . Collection of variants designed to demonstrate the Rhino family of pieces. By Peter Aronson.
- Rococo . A clear, aggressive Ultima variant on a 10x10 ring board. Author: Peter Aronson. Inventor: Peter Aronson and David Howe.
- Ruddigore Chess . Chessgi variant where you can capture your own pieces, and every other turn you must capture or sacrifice a piece. By Peter Aronson.
|3 'Zillions of Games file' entries listed||1 'Large board' entry listed|
|3 'In a category all its own' entries listed|
Total items listed: 3