- Romanchenko's Chess. A board with a kind of Z-form. (10x8, Cells: 64)
- Romanchenko's chess . Game on a Z-shaped board to inspire new thinking.
- Romanchenko's Chess. New chessboard with sides displaced.
- Romanchenko's Chess. FIDE Chess trainer Romanchenko shifted the FIDE board in the middle to help his students think for themselves.
|1 'Game' entry listed||1 'Zillions of Games file' entry listed|
|1 'Java Program' entry listed||1 'Play by mail item' entry listed|
|1 'From ancient times' entry listed||3 'Unorthodox shaped board' entries listed|
Total items listed: 4