Correct answer: Qa11...Ng3+/Ng7/Nf4/Nf6 2.N:g3# 1...Bd5 2.Q:d5# 1...Be4 2.Q:e4# 1...Bg2+ 2.B:g2# 1...Nb7/Nc6 2.Qe4#/Qd5#/Bg2#