- Green Chess. More than 100 chess variants playable online. By János M. Uray.
- A Guide to Variant Chess. Variant Chess Games.
- Hexagonal Round Chess. Combined Byzantine Chess with Rex Chess. (9x9, Cells: 81) By Arnaldo Rodrigues D'Almeida.
- Round Honeycomb Chess . Round Honeycomb Chess is a cross between Circular/Cylindrical Chess and Hexagonal Chess. By David Cannon.
- Round Honeycomb Chess. A cross between Circular/Cylindrical Chess and Hexagonal Chess. (9x11, Cells: 99) By David Cannon.
Total items listed: 6