Correct answer: Kd51...B:c4 2.d:c4# 1...Q:e5+ 2.N:e5# 1...Ng2 2.Qd1# 1...B:g5 2.N:g5# 1.Qh1+?? 1...Ke2 2.Rc2# 1...Ng2 2.Qd1# but 1...g2! 1