Correct answer: Re81...Ke5 2.Re3# 1.R8a4+?? 1...Ke5 2.Re3# but 1...d4! 1.Kf6?? (2.Re8#) but 1...d4! 1.Kd6?? (2.Re8#) but 1...f4! 1.Re8! (2.Kd7