Correct answer: Bg21...f5[a] 2.Rd6#[A] 1.Nd4[Б]? (2.Qg2#) 1...f5[a] 2.Rd6#[A] 1...Bd2[c]/B:b4/[б]/ 2.Bg2#[C] but 1...B:d4! 1.R:f6?? (2.Rd6#[A]) but 1...g:f6