- 3 Man Chess. Commercial three player chess variant on a round board.
- Chess in the Round. 1970's commercial variant that allows turning corners with the Rook and Queen. (8x8, Cells: 64)
- Circular Chess. Unique circular board. Sells boards, pieces, and software.
- Global Chess. A chess game played on a board composed of two rotating disks. (x2, Cells: 64)
- House of Kay. Company selling a circular chess board.
- Mark Davis's Chess Designs . With a round chess board.
|6 'Game' entries listed||1 'Three or more players' entry listed|
|6 'Circular shaped board' entries listed||6 'Sold commercially' entries listed|
Total items listed: 6