ECO A46
ECO A00–A99 — Flank openings: 1.c4, 1.Nf3, 1.f4 and other first moves, plus early Indian and Benoni systems.
15 named opening lines are classified under ECO code A46.
- Döry Defense — 1.d4 Nf6 2.Nf3 Ne4
- Indian Defense: Czech-Indian — 1.d4 Nf6 2.Nf3 c6
- Indian Defense: Knights Variation — 1.d4 Nf6 2.Nf3
- Indian Defense: Knights Variation, Alburt-Miles Variation — 1.d4 Nf6 2.Nf3 a6
- Indian Defense: London System — 1.d4 Nf6 2.Nf3 e6 3.Bf4
- Indian Defense: Polish Variation — 1.d4 Nf6 2.Nf3 b5
- Indian Defense: Spielmann-Indian — 1.d4 Nf6 2.Nf3 c5
- Indian Defense: Wade-Tartakower Defense — 1.d4 Nf6 2.Nf3 d6
- Queen's Pawn Game: Torre Attack, Breyer Variation — 1.d4 Nf6 2.Nf3 e6 3.Bg5 d5 4.e3 c5 5.c3 Qb6
- Queen's Pawn Game: Veresov Attack, Classical Defense — 1.d4 Nf6 2.Nf3 e6 3.Nc3 d5 4.Bg5
- Torre Attack: Classical Defense — 1.d4 Nf6 2.Nf3 e6 3.Bg5
- Torre Attack: Classical Defense, Nimzowitsch Variation — 1.d4 Nf6 2.Nf3 e6 3.Bg5 h6
- Torre Attack: Classical Defense, Petrosian Gambit — 1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e3 b6 5.d5
- Torre Attack: Wagner Gambit — 1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e4
- Yusupov-Rubinstein System — 1.d4 Nf6 2.Nf3 e6 3.e3