ECO A86

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

3 named opening lines are classified under ECO code A86.

• Dutch Defense: Fianchetto Variation — 1.d4 f5 2.c4 Nf6 3.g3
• Dutch Defense: Hort-Antoshin System — 1.d4 f5 2.c4 Nf6 3.g3 d6 4.Bg2 c6 5.Nc3 Qc7
• Dutch Defense: Leningrad Variation — 1.d4 f5 2.c4 Nf6 3.g3 g6