Correct answer: Bg31...Kf7 2.e6# 1.Qc8+?? 1...Kf7 2.Rf2#/e6# but 1...Kd5! 1.Qd8?? zz 1...Kf7 2.e6# but 1...Kf5! 1.Nf6?? zz 1...Ke7/Kf7 2.
