Correct answer: Nc41...Nd5 2.Nd4#/Ne5#/Ne7# 1...Qe3/Qe5 2.Rb4#/Nd4#/Ne5#/Ne7#/Qb4# 1...Qe6/Q:e8/Qf5/Qg6 2.Rb4#/Qb4#/Nd4#