Starts with the letter 'R'
- Round chess. A variant of Shatranj, played on a round board. (Cells: 64) Author: Hans L. Bodlaender.
- Russian fortress chess. An old Russian variant for four players. (Cells: 192) Author: Hans L. Bodlaender.
|2 'Game' entries listed||1 'Large board' entry listed|
|1 'Three or more players' entry listed||2 'From ancient times' entries listed|
|1 'Circular shaped board' entry listed|
Total items listed: 2