Correct answer: d41...Kd4 2.Qd3# 1...N2d4 2.B:e4# 1...N6d4 2.Nc7# 1...Nc5 2.Rd6# 1...Rd4 2.Q:e5# 1...Bd4 2.Qb3# 1...Qd4 2.Nf6# 1.N