Correct answer: Nd21...Be2 2.Nc2# 1...Rg4 2.Rd5#/Qc5#/Qd5#/Qe5#/Q:d7# 1...R:g6/Rd5 2.Rd5#/Qd5# 1...Re5 2.Q:e5# 1...Rc5 2.Q:c5# 1