IM Andrew Martin gets you ready to play the Barry in your own games. Players under 2200 will benefit the most. It turns out that after 1 d4 Nf6 2 Nf3 g6 3 Nc3!? d5 4 Bf4 Bg7, White has no less than four dangerous moves, 5 e3, 5 Qd2, 5 Nb5 and 5 h3.