Correct answer: N:d71...Bd5 2.B:d5#/Q:d5# 1...Nc3/Nc7/Nd4/Nd6/Na3/Na7 2.Qd4# 1...Nf3/Nd3/Nc2 2.Qd3#/Q:f3# 1...Ng2 2.Bc2#/Q