Double Chess Double Chess Double Chess is a chess variant invented by Julian S. Grant Hayward in 1916. The game is played on a 12×16 chessboard with each player in control of two complete armies placed side-by-side. The rules were published in the January 1929 issue of "British Chess Magazine". The illustration shows the starting setup. A player wins by checkmating either enemy king. Additional rules: As in standard chess, pawns promote upon reaching the furthest . J. R. Capablanca, who had experimented with different forms of chess in the 1920s, found the game "remarkably interesting", and a four-game match was held
Three-Man Chess Three-Man Chess Three-Man Chess is a chess variant for three players invented by George R. Dekle, Sr. in 1984. The game is played on a hexagonal board comprising 96 quadrilateral cells. Each player controls a standard army of chess pieces. Three-Man Chess was included in "World Game Review" No. 10 edited by Michael Keller. The illustration shows the starting setup; each player's queen is placed to the left of his king. White moves first and play proceeds clockwise around the board. Pieces move the same as they do in chess, with some special features described below. Standard conventions apply including