Correct answer: f41...Nd6 2.Nf6#/Nc7# 1...Bd6 2.Nf6# 1...d3 2.Nc3# 1.Kf4?? (2.Re5#) 1...d3 2.Nc3# but 1...Bd6+! 1.Kf5?? (2.Re5#) 1...B