Correct answer: Qa61...f5 2.Qe5# 1.Bc4?? zz 1...Kf5 2.Qb1# 1...f5 2.Qe5# but 1...Ke3! 1.Qb1+?? 1...Ke3/Kd4 2.Qd3# but 1...Kd5! 1.Qd1
