Correct answer: Ng11.Nf4?? (2.Q:e3#) 1...Nf2/Nf6/Ng3/Ng5/Nd6/Nc5 2.Q:c3# 1...Nd2 2.Nd3# 1...Bd1/Bb5 2.Q:d1# but 1...e2! 1.N
