Correct answer: R:h61...Kf1 2.Rh1# 1...f5 2.Qa1# 1.Q:h7?? (2.Qb1#) but 1...f5! 1.Nf2?? (2.Rh1#) but 1...K:h2! 1.Ke2?? (2.Nh3#) but 1...Bd3+! 1.
