Starts with the letter 'Dif'
- Different Armies. Various black armies versus the standard white army. By Roger Cooper.
- Different Armies Chess . Missing description Author: João Pedro Neto. Inventor: Ralph Betza.
- Different moving pieces . Missing description Author: Andrew Juell.
- Diffusion Chess. Pieces start out in groups and must continually break apart into smaller groups. Played on a GO board. (19x19, Cells: 361) By Alexandre Muñiz.
- Diffusion Chess. Creative attempt by Alexander Munoz to combine Chess and Go. Author: Jeremy Gabriel Good. Inventor: Alexandre Muñiz.
Total items listed: 5