Correct answer: Nd51...Q:f5/R:f5 2.Q:g2# 1...N:f5 2.Q:g2#/Bd5# 1...Ng6/Ng8/Nd5/Nc6 2.Bd5# 1...N:f4 2.R:f4# 1.Nh5?? (2.Q:g2#) 1...