- Chess in the Round. 1970's commercial variant that allows turning corners with the Rook and Queen. (8x8, Cells: 64) Author: Barry Yoner.
- Imperial Chess I. Four-player game on circular board, also called Chez. Author: Ed Friedlander. Inventor: Donald irvin Gebhart.
|1 'Game' entry listed||1 'Java Program' entry listed|
|1 'Large board' entry listed||2 'Circular shaped board' entries listed|
|2 'Sold commercially' entries listed|
Total items listed: 2