Correct answer: Bh31...Q:d7/Qc8/Qb8/Qa8/Qe8/Qg8/Qc7/Qb6/Qa5 2.Ng5#/Nf6# 1...Qf8/Qg5+ 2.Ng5# 1...Qf6+ 2.N:f6# 1...Bf4+/B