Correct answer: Nf61.Bb5?? (2.Qa4#) but 1...K:b5! 1.Nc3?? zz 1...Kc5 2.Qa3# but 1...K:c3! 1.Qb2+?? 1...Ka5 2.Qb5#/Qa3# but 1...Ka4! 1.<
