Starts with the letter '1'
- 10x10 Multiple Knot Chess. Board in `mathematical shape'.
- 12 Sharp Chess. 4-player versions of 10-or-more-file variants on cross-shaped boards. (12x12, Cells: 108) By Charles Gilman.
- 125 Percent Shogi and 125 Percent Xiang Qi. 4-player versions of Oriental variants on cross-shaped boards. (15x15, Cells: 125) By Charles Gilman.
|3 'Game' entries listed||1 'Large board' entry listed|
|2 'Three or more players' entries listed||1 'Oriental' entry listed|
|3 'Unorthodox shaped board' entries listed||1 'Xiangqi, or Xiangqi-based' entry listed|
|1 'Shogi, or Shogi-based' entry listed|
Total items listed: 3