Correct answer: Bf81.c6?? zz 1...Kd6 2.Q:f4# but 1...b:c6! 1.Nh3?? (2.Q:f4#) but 1...g5! 1.c4?? zz 1...Kd4 2.Q:f4# but 1...b:c4! 1.Ng2?? zz 1...Kf5 2.Q
