Correct answer: Rd31...Ncd5 2.Qe4# 1...Nd3 2.Qf6# 1...Nbd5 2.Qe5# 1...Q:d4+ 2.N:d4# 1...Qe7 2.Qe4#/Q:f4#/Qe5# 1...Qe8/Qb5/Qc8 2.Q