- By Rook Or by Crook. Chess in the round on a hexagonal board with 42 trapezoidal squares. (Cells: 42)
- Chess on a Soccer Ball . Chess played on the 20 hexagons and 12 pentagons of a soccer ball.
- Diplomat Chess . Round-board variant with a Diplomat to suborn opponents.
- Diplomat Chess. Round-board variant with a Diplomat to suborn opponents. (Cells: 43)
- Green Chess. More than 100 chess variants playable online.
- Viking Chess. Game board and pieces in search of rules. (Cells: 37)
Total items listed: 6