Correct answer: Qg61...e5 2.Nf6# 1...Nb5/Nc6/Nc8 2.Qc6# 1.Nf8?? (2.Qe6#) but 1...Nc6! 1.Nc5?? (2.Qe6#) but 1...Nc6! 1.a5?? zz 1...Nb5/N