Correct answer: Rf51...Nc3 2.e5# 1...e5 2.Rf6# 1...Bc4 2.N:c4# 1.Bb8+?? 1...Kc5 2.Ne6# but 1...Nc7! 1.Rf5! (2.Rd5#) 1...Nb4/Qb3/Qd3/<
