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ECO A33

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

1 named opening lines are classified under ECO code A33.

English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation — 1.c4 e6 2.Nf3 Nf6 3.Nc3 c5 4.d4 Nc6 5.g3 cxd4 6.Nxd4 Qb6