Correct answer: Q:f6+1.B:f6+?? 1...Kc4 2.Qb5# but 1...Ke3! 1.Q:f6+! 1...Kd3/Kc4/Ke3/Kc5 2.Qd4# 1...Kd5 2.Qc6# 1...Ke4 2.Qf3#
