Correct answer: Bb21...Kf4 2.Bd2# 1.Bd2+?? 1...Ke2 2.Bf4#/Bg5#/Bh6#/Bc1# but 1...Kf2! 1.Bd4+?? 1...Kd3 2.Rd1#/Bf2#/Bc5#/Bb6
