Correct answer: Na51...Rd6+[a] 2.e6#[A] 1...Rd4/[б]/ 2.Nb4#[Б] 1...Rd7/Rc8/Rb8/Re8/Rf8/Rg8/Rh8 2.R:d7# 1.Ne4?? (2.Nf6#) 1...Rd6+[a] 2.e:d6