Correct answer: c41...Nc4/Nc8/N:d5/Na8 2.N:c4# 1...Nd7 2.Nc4#/Ne8#[A] 1...R:f4 2.Q:f4# 1...Nh1/Nh5/Nf1/Nf5/N:e4 2.Nf5# 1...N