Correct answer: R:c41...f4 2.Bg4# 1...Nf4/Ng1/Ng3/Nd4/Nc1/Nc3 2.Nd4#[A] 1...b4 2.Q:c4# 1...Ng5/Nh6/Nh8/N:d6/Nd8 2.N:g5#[Б] 1...N:e