Correct answer: N:g61...Rg1/Rg3/Rg5/Rc2+ 2.Bc2# 1...g5 2.Qh7# 1...Bb1 2.Be6# 1.Qh7? (2.Qd7#[A]) 1...Rc2+ 2.B:c2# but 1...B:b3! 1.Qg
