Games Invented by Doug Chatham on Game Courier
- Bachelor Chess. Play this game from the 42-square contest with the PBM system! By Doug Chatham.
- Corral Chess.. Force the opponent to the center in this 45/46 Cell Contest entry. By Doug Chatham.
- Two Pipe Chess. Play this game from the 41-square contest on the PBM system! By Doug Chatham.