Items Invented by Adam Sobey
- Triplets. Move in one turn a pawn, the king, and another piece. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Adam Sobey.
- Lambeth Conference. Bishops bounce off the walls. Author: Ed Friedlander. Inventor: Adam Sobey.
- Triplet Chess. Each turn, move a king, a pawn, and another piece; win when opponent cannot. Author: Ed Friedlander. Inventor: Adam Sobey.
- Triplets. Move in one turn a pawn, the king, and another piece. Author: Doug Chatham. Inventor: Adam Sobey.