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ECO A19

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

2 named opening lines are classified under ECO code A19.

English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit — 1.c4 e6 2.Nc3 Nf6 3.e4 c5 4.e5 Ng8
English Opening: Mikenas-Carls, Sicilian — 1.c4 e6 2.Nc3 Nf6 3.e4 c5