ECO A22
ECO A00–A99 — Flank openings: 1.c4, 1.Nf3, 1.f4 and other first moves, plus early Indian and Benoni systems.
8 named opening lines are classified under ECO code A22.
- English Opening: Carls-Bremen System — 1.c4 e5 2.Nc3 Nf6 3.g3
- English Opening: King's English Variation, Adhiban Gambit — 1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 c6
- English Opening: King's English Variation, Bellon Gambit — 1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5
- English Opening: King's English Variation, Two Knights Variation — 1.c4 e5 2.Nc3 Nf6
- English Opening: King's English Variation, Two Knights Variation, Reversed Dragon — 1.c4 e5 2.Nc3 Nf6 3.g3 d5
- English Opening: King's English Variation, Two Knights Variation, Smyslov System — 1.c4 e5 2.Nc3 Nf6 3.g3 Bb4
- English Opening: King's English, Erbenheimer Gambit — 1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 Ng4
- English Opening: King's English, Mazedonisch — 1.c4 e5 2.Nc3 Nf6 3.f4