Correct answer: Qb21...c3 2.Q:c3# 1.Nd8?? (2.Nb7#) 1...d4 2.Qc6#/Qe5# but 1...c3! 1.Qe7+?? 1...Kc6 2.Nd8# but 1...Kd4! 1.Qb2! zz 1...Kc6/d4
