Correct answer: Kg51...B:e4 2.f4# 1...Nc3 2.d4# 1...Nd6 2.Q:h8# 1...Qd4 2.Qe7# 1...Bf6 2.Qd5# 1.d3?? (2.f4#) 1...Nd6 2.Q:h8# but 1...B:d3! 1.d4+??
