Items Invented by Sam Trenholme
- Schoolbook. 8x10 chess with the rook + knight and bishop + knight pieces added. (10x8, Cells: 80) By Sam Trenholme.
- Modern Carrera's Chess. Play Modern Carrera's Chess with Jocly. Author: Fergus Duniho and The Jocly Team. Inventor: Fergus Duniho and Sam Trenholme.
- Modern Carrera's Chess. Play this modern version of Carrera's Chess on Game Courier. Author: Fergus Duniho. Inventor: Fergus Duniho and Sam Trenholme.
- Schoolbook. This is a Game Courier preset for Schoolbook Chess. By Sam Trenholme.
- Set 3 of 10x8 chess mating problems. Missing description By Sam Trenholme.
- 10x8 Chess mating problems. 10x Chess mating problems. By Sam Trenholme.
- More 10x8 mating problems. Missing description By Sam Trenholme.
- Schoolbook openings #1. Missing description By Sam Trenholme.
- Schoolbook . Zillions file for Schoolbook. By Sam Trenholme.
- Schoolbook (updated) . Missing description By Sam Trenholme.