Correct answer: Nbd31...Ng3/Ng7/Nf4/Nf6 2.Rf4# 1...Re7/Re8/Rc6 2.Bc6# 1.Nd1?? (2.Q:d4#) 1...Nf4 2.R:f4# 1...Rd6 2.Nf2# but 1..
