Correct answer: Nf31...Bf3/Bg2 2.d3# 1...c:b4/c:d4 2.Qc6# 1.Q:e4?? (2.d3#/Ne6#/Nf3#/Nf5#/Nc6#/Nb3#) 1...Ng3 2.d3# 1...c:b4 2.Ne6#/Nb3# 1...c:d4