Correct answer: Ng51.Rd2? zz 1...K:e4[a] 2.Qe7#[A] but 1...g3! 1.Nf2? (2.Qe7#[A]) but 1...Ke2! 1.Nd2? (2.Qe7#[A]) but 1...Ke2! 1.Nc3? (2.Qe7#[A])
