Black has only one piece : the Emperor, a powerful royal piece.
White has a classical chess set but with a few differences :
White pawns have no promotion when reaching last row
The Emperor moves like Queen + Knight + Musketeer Chess Hawk :
The Citadel moves like Rook + Musketeer Chess Hawk :
The Unicorn moves like in Musketeer Chess :
For main rules, please see Orthodox Chess rules.