Related Openings
Queen's Indian - 4.Nc3, Botvinnik Variation	d4, Nf6, c4, e6, Nf3, b6, Nc3, Bb7, Bg5, h6, Bh4, g5, Bg3, Nh5
Queen's Indian - 4.Nc3	d4, Nf6, c4, e6, Nf3, b6, Nc3
Queen's Indian - Petrosian system	d4, Nf6, c4, e6, Nf3, b6, a3
Queen's Indian defense	d4, Nf6, c4, e6, Nf3, b6