Starts with the letter 'O'
- One dimensional Chess Variants. A page detailing some one dimensional chess variants. Author: Hans L. Bodlaender.
- One Ring Chess . Chess on a one-dimension ring board. By Larry L. Smith.
- One Ring Chess. One dimensional chess played on a ring-shaped board. (Cells: 32) By Larry L. Smith.
|2 'Game' entries listed||1 'Zillions of Games file' entry listed|
|3 'One dimensional' entries listed||1 'Unorthodox shaped board' entry listed|
Total items listed: 3