Решение шахматной задачи №91329

1...g5 2.Qh8#[A] 1.Nf3? (2.Qh8#[A]) but 1...Kh7[b]! 1.Bg6? (2.Qf4#[B]) but 1...Kg5[a]! 1.Qb1?? (2.Qg6#) but 1...Kg5[a]! 1.Qf8?? (2.Qxg7#) but 1...Kg5[a]! 1.Qg8?? (2.Qxg7#) 1...g6 2.Qxg6# but 1...Kg5[a]! 1.Qd6+?? 1...Kg5[a] 2.Nf3# 1...g6 2.Qxg6# but 1...Kh7[b]! 1.Qe5?? (2.Qxg7#) but 1...g6! 1.Nf5+?? 1...Kh7[b] 2.Qg8#/Bg6# but 1...Kg5[a]! 1.Ng6! zz 1...Kg5[a] 2.Qf4#[B] 1...Kh7[b] 2.Qh8#[A]