Correct answer: Qa11...Qf4 2.N:f4# 1...Qe1/Qc1/Qb1/Qa1 2.N:e1# 1...Nc1/Nc5/Nd2/Nd4/Na1/Na5 2.Na5# 1...Bb5/B:c4 2.Q:a7# 1