Correct answer: Nb31...d2 2.Bc2# 1...B:e3 2.Bf3# 1...Qb3/Qb5/Qb6/Qa4/Qc4/Qc3/Qd2/Qe1/Qe7/Qa5 2.Qe7# 1...Q:d4 2.Q:d4# 1.f8Q