Correct answer: Nf41.Qf3+?? 1...Kd4 2.Bc5# but 1...K:f3! 1.Nb4?? (2.Rc4#) 1...Kd4 2.Bc5# 1...Kf4 2.B:g5# 1...Bd4 2.Rf2# but 1...R:
