Correct answer: Bc81...Kf3 2.Bd5# 1...f4/Bf4 2.Nc3# 1.B:f5+?? 1...Kf3 2.Qf1# 1...Kd5 2.Qh1# but 1...K:f5! 1.Bc4?? (2.Qd3#/Qh1#) 1.