Starts with the letter 'O'
- Oblong chess. Variant of Shatranj, played on a four by sixteen sized board. (4x16, Cells: 64) Author: Hans L. Bodlaender.
- Ouk Chatrang (Cambodian Chess) . Part of a document describing various Historical Chess Variants. Author: Nader Daou.
|2 'Game' entries listed||2 'From ancient times' entries listed|
|1 'Xiangqi, or Xiangqi-based' entry listed||1 'Shogi, or Shogi-based' entry listed|
Total items listed: 2