ECO A75

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 A75.

• Benoni Defense: Classical Variation, Argentine Counterattack — 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4