Items Invented by Jeff Knight
PlunderChess. Commercial chess variant where pieces gain right to move like a piece they captured. Inventor: Jeff Knight.
Plunderchess: Pictures and a review. Commercial variants where capturing gains the right to move once as the captured piece. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Jeff Knight.
Imperial Chess III. Four-player all-against-all game on a cross-shaped board. Author: Ed Friedlander. Inventor: Mike Calkoviks and Jeff Knight.