Three-Man Chess castling, a pawn's initial two-step option, "en passant", and promotion. The first player to checkmate an opponent wins the game. A player who is stalemated loses his turns to move, unless/until an opponent plays a move that releases the stalemate condition. While stalemated, his king is still subject to checkmate, and his other pieces are still subject to capture. Bibliography 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.
Martian chess players decide who moves first. Play turns alternate, and pass to the left after each move. The red lines in the diagrams indicate notional "canals" which divide the board into "territories", or quadrant. At any given time a player controls only those pieces that are in his or her territory. The pieces move as follows: As in chess, a square may contain no more than one piece, and a piece is captured when an enemy piece lands on the square it occupies. The capturing player removes the piece and puts it aside for later scoring. In the two-player game, a