Correct answer: Bb21...Kd3 2.Bb5# 1...Kd5 2.Bf7# 1...b3 2.Qb5#/Qd4# 1.Bg6?? zz 1...Kd5 2.Bf7# 1...b3 2.Qb5#/Qd4# but 1...Kb3! 1.Bd7??