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ECO A11

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

3 named opening lines are classified under ECO code A11.

English Opening: Caro-Kann Defensive System — 1.c4 c6
Réti Opening: Anglo-Slav Variation, Gurevich System — 1.c4 c6 2.Nf3 d5 3.e3
Réti Opening: Anglo-Slav Variation, with g3 — 1.c4 c6 2.Nf3 d5 3.g3 Nf6 4.Bg2