ECO A17
4 named openings and variations are classified as A17. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- English Opening: Anglo-Indian Defense, Hedgehog SystemA171. c4 Nf6 2. Nc3 e6
- English Opening: Anglo-Indian Defense, Nimzo-EnglishA171. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4
- English Opening: Anglo-Indian Defense, Queen's Indian VariationA171. c4 e6 2. Nc3 Nf6 3. Nf3 b6 4. e4 Bb7 5. Bd3
- English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow AttackA171. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. g4