Correct answer: Kc31...h5 2.Ng5# 1...R:f3 2.g:f3# 1...Nd6 2.Qc2#/Qd5#/Q:e5#/Qe3# 1...Nb3 2.B:c6# 1...Bg7 2.Qd5# 1...B:c5+ 2.N:c5# 1.Nd:e5