Correct answer: Nc31...f3 2.N:e3# 1...Q:b2+ 2.N:b2# 1...Qa1/Qa2 2.Q:c2# 1...Q:c1 2.b3# 1.Ke5?? (2.Rc3#) 1...Q:b2+ 2.N:b2# but 1...f6+! 1.Bd7??