Monochromatic chess d2 and f2, the white king can move from e1 only with castling and then g1–h2–g3–... so the pawn on g3 cannot be white. In Bichromatic chess, the opposite restrictions apply. A piece on a white square must move to a black square and vice versa. Hence pawns cannot capture (or advance two squares) and bishops cannot move. Also, castling and "en passant" are impossible, and queens behave like rooks. Monochromatic chess Monochromatic chess is a chess variant with unknown origin. The initial board position and all rules are the same as in regular chess, except that pieces that begin
Empress (chess) which powerful pieces can control is decreased, and variants will then often have a greater combination of powerful pieces. Bibliography Empress (chess) An empress is a fairy chess piece that can move like a rook or a knight. It cannot jump over other pieces when moving as a rook, but may do so when moving as a knight. The piece has acquired many names and is frequently called chancellor or marshall (or marshal); it may also be called simply the rook+knight compound. Chess moves in this article use C as notation for the empress. The empress can move as a