Correct answer: d8B1...K:d7 2.Rg6# 1.Kf7?? zz 1...K:d7 2.Rg6# but 1...Kd6! 1.Qd5+?? 1...Kc7 2.d8Q# but 1...Kb6! 1.d8N+?? 1...Kd7 2.<