Triangular Chess Triangular Chess Triangular Chess is a chess variant for two players invented by George R. Dekle, Sr. in 1986. The game is played on a hexagon-shaped gameboard comprising 96 triangular cells. Each player commands a full set of chess pieces in addition to three extra pawns and a "unicorn". Triangular Chess and its variation Tri-Chess were included in "World Game Review" No. 10 edited by Michael Keller. The starting setup is as shown. As in chess, White moves first and the object is checkmate. Other standard conventions apply as well, including castling, a pawn's initial two-step option, "en passant", and
Fast chess may serve to illustrate this: Fast chess Fast chess (also known as speed chess) is a type of chess in which each player is given less time to consider their moves than normal tournament time controls allow. The rules specify a cumulative total time for moves for each side. In a fast chess game, each player will have less than the usual 60 minutes at their disposal, based on a 60-move game, and sometimes considerably less time. Fast chess is further subdivided, by decreasing time controls, into rapid chess, blitz chess, and bullet chess. Armageddon chess is a particular variation