Correct answer: Rh71...c6/c5 2.Qb8# 1...Bh7/Bf7 2.Nf7# 1...Bf6/Bg5/Bh4/Bf8/Bd8 2.Rd7# 1...Nc1/Nc5/Nd2/Nd4/Na1/Na5 2.Qc5#