Correct answer: Rf11...Kf4 2.Nh3# 1...Kf6 2.Nh7# 1.Qg7+?? 1...Kf4 2.Rd4#/Rf1#/Nh3#/Qd4# but 1...B:g7! 1.Q:c5+?? 1...Kf4 2.Qd4#/<
