ECO A88
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 A88.
- Dutch Defense: Leningrad Variation, Warsaw Variation — 1.d4 f5 2.g3 Nf6 3.Bg2 g6 4.Nf3 Bg7 5.O-O O-O 6.c4 d6 7.Nc3 c6