Correct answer: Kf6-f5 1.Kf6-f5 ! danger: 2.Qg8-g4 # 1...Kh4-h5 2.Qg8-h7 # 2.Qg8-g5 # 2.Qg8-h8 # 1...Kh4-h3 2.Kf