ECO E71

ECO E00–E99 — Indian Defenses: 1.d4 Nf6 with the Nimzo-Indian, Queen's Indian, Catalan and King's Indian complexes.

2 named opening lines are classified under ECO code E71.

• King's Indian Defense: Karpov System — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Be3
• King's Indian Defense: Makogonov Variation — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3