Starts with the letter 'Imm'
- Immobilizer. Pieces standing near an immobilizer may not move. Author: Ben Good. Inventor: Robert Abbott.
- Immobilizer Chess. The immobilizer does not capture, but renders adjacent enemy. Author: Ed Friedlander. Inventor: George Dekle.
- Immobilizer Shogi. Piece that can immobilize other pieces. (9x9, Cells: 81) By (zzo38) A. Black.
- ImmortalStarMasters. Multiplayer, hexagonal board for chess and checker games. Author: Ronald D. Planesi.
Total items listed: 4