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ECO A17

ECO A00–A99 — Flank openings: 1.c4, 1.Nf3, 1.f4 and other first moves, plus early Indian and Benoni systems.

4 named opening lines are classified under ECO code A17.

English Opening: Anglo-Indian Defense, Hedgehog System — 1.c4 Nf6 2.Nc3 e6
English Opening: Anglo-Indian Defense, Nimzo-English — 1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4
English Opening: Anglo-Indian Defense, Queen's Indian Variation — 1.c4 e6 2.Nc3 Nf6 3.Nf3 b6 4.e4 Bb7 5.Bd3
English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack — 1.c4 e6 2.Nc3 Nf6 3.Nf3 Bb4 4.g4