Correct answer: Nd41...Rf3/Rf2/R:f1/Rff5/Re4[a] 2.Qe4#[A] 1...Ng1/Ng3/Nc1 2.N:c3# 1...Nd4 2.N:c3#/Bc4# 1...Bd4 2.c4# 1...Rc4 2.b:c4#