Correct answer: Rf11...Nd:e2/N:e6/N:c2/Nb3/Nb5 2.Q:e5# 1...f4/Nh5/Nf1 2.Nf2#/Nc5# 1...Nh1/Ng:e2 2.Nc5# 1.Ng8?? (2.Nf6#) 1...N