Correct answer: Bh61...Kc1 2.Nb3# 1.Bc3?? (2.Nb3#) 1...Ke1 2.Qf1# but 1...Nf3! 1.Bb2?? (2.Nf3#) but 1...Ke1! 1.Nc4+?? 1...Kc1 2.Bh