Correct answer: Nf31.Qb5[A]? (2.c5#[Б]) 1...R:a4 2.Q:b3# but 1...Bc5! 1.c5[Б]? (2.Qb5#[A]) but 1...R:a4! 1.Nf7?? (2.Ne5#) but 1...Bb8! 1.Qf5?? (2.e5#)