Correct answer: Qb21...Ng6/Nh7/Nd7 2.N:g6# 1...Ng8/Nf5/Nf7 2.N:g4# 1...R:g3 2.B:g3# 1...Rf4 2.g:f4# 1...Re4 2.Nf3# 1...Rc4 2.N:c4# 1.