Items Invented by Roger Cooper
Bid Chess. Players bid for special pieces or powers. By Roger Cooper.
Free Placement. Game starts with players alternatingly placing pieces on board. (8x8, Cells: 64) By Roger Cooper.
Random Pieces. A 20 game match is played, with each player receiving a number of pieces equal in value to the game number. (8x8, Cells: 64) By Roger Cooper.
Free Placement Chess. Choose your own starting position. Author: Ed Friedlander. Inventor: Roger Cooper.
Different Armies
. Various black armies versus the standard white army. By Roger Cooper.
Free Placement chess
. Game starts with players alternatingly placing pieces on board. Author: Marek14 . Inventor: Roger Cooper.
Michael's Chess
. An elaboration of Lord Dunsany's Chess with varying Pawn sides. By Roger Cooper.