Correct answer: Nb61.Nb2?? zz 1...Kd4 2.Qe5# 1...b3 2.Qd2# but 1...Kb3! 1.Na5?? (2.Qd2#) but 1...Kd4! 1.Nb6! zz 1...Kb3 2.Re3# 1...K
