Correct answer: Qf11...d5 2.Qf4# 1.Qf2?? zz 1...d5 2.Qf4# but 1...Kd5! 1.Qf7?? zz 1...d5 2.Qf4# but 1...Kd5! 1.Qf8?? zz 1...d5 2.Qf4# but 1...Kd