Master the Modern Defence 1...g6

4.Be3 a6 5.Qd2 b5 6.0-0-0: Erigaisi vs Carlsen

One of White’s sharpest approaches in the 150 Attack is to castle long early, often after the sequence: 1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 a6 5.Qd2 b5 6.0–0–0...