Correct answer: Bb21...Kd5 2.Bf3# 1.Kf6?? zz 1...Kd5 2.Bf3# but 1...Kd3! 1.Be2?? zz 1...Kd5 2.Bf3# but 1...Kf5! 1.Bg4?? zz 1...Kd5 2