ECO A85
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 A85.
- Dutch Defense: Queen's Knight Variation — 1.d4 f5 2.c4 Nf6 3.Nc3
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 A85.