Correct answer: Qb61...Ng3/Nh4/Nh6/Ne7 2.Q:e3# 1...Ng7/Nd6 2.Q:g7#/Q:e3# 1...Nd4 2.Qg7# 1...Qf2+ 2.Q:f2# 1...Qd4/Qb6/Q:a7 2.K