Items Invented by John Groeneman
Half Chess. On a 4 by 8 board without pawns. (4x8, Cells: 32) By John Groeneman.
Half Chess. 4x8 board, plays well. Author: Ed Friedlander. Inventor: John Groeneman.
Half Chess Pawnless. "If Chess is wine, Half Chess is brandy. ". Author: Jeremy Gabriel Good. Inventor: John Groeneman.
Half Chess
. On a 4 by 8 board without pawns. Author: Marek14 . Inventor: John Groeneman.