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ECO A44

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 A44.

Benoni Defense: Semi-Benoni — 1.d4 c5 2.d5 e5 3.e4 d6