Correct answer: Nf51...b4 2.Qc4# 1...Ng4/Ng8/N:h5/Nh7/Ne8/Nd5/Nd7 2.Qd5# 1...Qf4/Qh3/Qg2/Qh1/Q:h5/Qe2/Qd1 2.R:f4# 1...N