- Arimaa. Board game playable with standard chess set, hard for computers. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Omar Syed and Aamir Syed.
- Beyond Chess (tm). Commercial variant with dynamic board. (8x8, Cells: 64) Author: David Howe. Inventor: David Crockett.
- Chess in the Round. 1970's commercial variant that allows turning corners with the Rook and Queen. (8x8, Cells: 64) Author: Barry Yoner.
- ObstructionChess. A new chess variant designed to challenge old strategies and improve your chess play with logical and organic obstructions. (8x8, Cells: 64) By martin rinab.
|4 'Game' entries listed||1 'Unorthodox shaped board' entry listed|
|1 'Circular shaped board' entry listed||4 'Sold commercially' entries listed|
Total items listed: 4