Correct answer: Nc31.Nd4?? zz 1...Bb1/Bb3 2.Qb3# but 1...Bc4! 1.Nc1?? (2.Q:a2#) 1...Bb1/Bb3 2.Qb3# but 1...Bc4! 1.Qc3+?? 1...Ka4 2
