Correct answer: d31...Kd3 2.Nb4# 1...Kb3 2.Bd1# 1.N:f4?? (2.Bd1#) but 1...Kb3! 1.Bg4?? zz 1...Kd3 2.Bf5# 1...Kb3 2.Bd1# but 1...f3! 1.<
