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ECO A34

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 A34.

English Opening: Symmetrical Variation, Fianchetto Variation — 1.c4 Nf6 2.Nc3 c5 3.g3
English Opening: Symmetrical Variation, Normal Variation — 1.c4 c5 2.Nc3
English Opening: Symmetrical Variation, Rubinstein Variation — 1.c4 Nf6 2.Nc3 c5 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7
English Opening: Symmetrical Variation, Three Knights Variation — 1.c4 c5 2.Nc3 Nf6 3.Nf3