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
Chess with different armies This army includes a lot of leapers, but most of them have asymmetrical move patterns, with backward moves being restricted. The rooks, knights, bishops, and queen are replaced by the following pieces: The four armies described above were playtested by Ralph Betza and selected as the most balanced ones. There are other armies, invented by Betza and other people, some of which are presented here. In the initial version of the game there were 8 armies and in these armies the king moved differently from the king in the standard chess. Instead of normal pawns, fairy pawns could be selected,