ECO A18
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 A18.
- English Opening: Mikenas-Carls Variation — 1.c4 e6 2.Nc3 Nf6 3.e4
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 A18.