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,
Kriegspiel (chess) follows. The game is played with three boards, one for each player; the third is for the umpire (and spectators). Each opponent knows the exact position of just their pieces, and does not know where the opponent's pieces are (but can keep track of how many there are). Only the umpire knows the position of the game. The game proceeds in the following way: The umpire announces: Pawn promotions are not announced. Kriegspiel is sometimes used in chess problems. In these, usual variations introduced by different black moves are replaced by variations introduced by different announcements. An example of a