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,
Hexagonal chess (1... B-0-0). Castling does not typically increase the king's safety or make the rook more active, but it is present in the game nonetheless, for completeness. Stalemate is a draw in Shafran's chess. Invented by Helge E. de Vasa in 1953 and first published in Joseph Boyer's "Nouveaux Jeux d'Echecs Non-orthodoxes" (Paris, 1954). The rhombus-shaped board comprises 81 cells with initial setup as shown, in the revised form of the game. Rules for piece movement are the same as Gliński's variant, except for the pawns. Castling is permitted, and kings start on opposite wings of the board. Players may castle