Items Authored by James Killian Spratt
- Chess for Three. Traditional pieces, three players, on a triangular board. By James Killian Spratt.
- Imperial Chess. Large variant with new pieces and victory by capture of royal pieces. (12x12, Cells: 144) By James Killian Spratt.
- Jetan Jeddara. Large Jetan variant, with new pieces. (16x12, Cells: 192) Author: Tony Quintanilla and James Killian Spratt. Inventor: James Killian Spratt.
- Jetan-Sarang . A large variation of Jetan. By James Killian Spratt.
- Imperial Chess Graphics. Graphics for Imperial Chess. Author: James Killian Spratt.
- Jetan Variant Graphics. James Spratt's graphics for Jetan variant Game Courier presets. Author: James Killian Spratt.
- Imperial Chess. Play this large variant with new pieces and victory by capture of royal pieces! Author: Tony Quintanilla and James Killian Spratt. Inventor: James Killian Spratt.
- Jetan. Play Edgar Rice Burrough's Jetan (Martian Chess). Author: James Killian Spratt and Jean-Louis Cazaux. Inventor: Edgar Rice Burroughs.
- Jetan Jeddara. Large variant of Jetan. Author: Tony Quintanilla and James Killian Spratt. Inventor: James Killian Spratt.
- Jetan Sarang. Play this large variation of Jetan! Author: James Killian Spratt and Tony Quintanilla. Inventor: James Killian Spratt.
- Sculptures by James Killian Spratt -- Three New Chess Variations . Beautiful chess sets created by a sculptor of three of his own Chess variations plus Jetan. Author: James Killian Spratt.