Chess with different armies rooks, knights, bishops, and queen are replaced by the following pieces: The rooks, knights, bishops, and queen are replaced by the following pieces: The rooks, knights, bishops, and queen are replaced by the following pieces: The rooks, knights, bishops, and queen are replaced by the following pieces: Chess with different armies Chess with different armies (or Betza's Chess or Equal Armies) is a chess variant invented by Ralph Betza in 1979. Two sides use different sets of fairy pieces. There are several armies of equal strength to choose from, including the standard FIDE army. In all armies, kings and pawns
Opposite-colored bishops endgame Paulsen and Adolf Anderssen in their unofficial world championship match. It was a draw because of the wrong rook pawn. Play continued: This 1620 game between an unknown player and Gioachino Greco was won by Black on move 50. Opposite-colored bishops endgame The opposite-colored bishops endgame is a chess endgame in which each side has a single bishop, but the bishops reside on opposite-colored squares on the chessboard, thus cannot attack or block each other. Without other pieces (but with pawns) these endings are notorious for their tendency to result in a draw. These are the most difficult endings in