Items Invented by John Davis
- Grand Betza. A tribute to Ralph Betza on a 10x10 board with pawns on the third rank as in Grand Chess. Author: Greg Strong. Inventor: John Davis.
- Grand Tamerlane. John Davis invented this variation of Mideast Chess. (10x10, Cells: 100) Author: Tony Quintanilla. Inventor: John Davis.
- Grand Betza. Play Grand Betza on Game Courier. Author: Greg Strong. Inventor: John Davis.
- Grand Tamerlane Chess. Variation of Mideast Chess by John Davis. Author: Tony Quintanilla. Inventor: John Davis.