use your horse and bring him up to make up left L then a up right L then get his left pawn in that position u make him move his king and you kill the rook but this will not work every time and make sure that you do it on the side of the queen but if the queen has not moved the queen will kill you
use your horse and bring him up to make up left L then a up right L then get his left pawn in that position u make him move his king and you kill the rook but this will not work every time and make sure that you do it on the side of the queen but if the queen has not moved the queen will kill you