ECO A45
ECO A00–A99 — Flank openings: 1.c4, 1.Nf3, 1.f4 and other first moves, plus early Indian and Benoni systems.
30 named opening lines are classified under ECO code A45.
- Amazon Attack: Siberian Attack — 1.d4 Nf6 2.Nc3 d5 3.Qd3
- Basque Opening — 1.d4 Nf6 2.b3
- Canard Opening — 1.d4 Nf6 2.f4
- Indian Defense — 1.d4 Nf6
- Indian Defense: Accelerated London System — 1.d4 Nf6 2.Bf4
- Indian Defense: Gedult Attack — 1.d4 Nf6 2.f3 d5 3.g4
- Indian Defense: Gibbins-Weidenhagen Gambit — 1.d4 Nf6 2.g4
- Indian Defense: Gibbins-Weidenhagen Gambit Accepted — 1.d4 Nf6 2.g4 Nxg4
- Indian Defense: Gibbins-Weidenhagen Gambit, Maltese Falcon — 1.d4 Nf6 2.g4 Nxg4 3.f3 Nf6 4.e4
- Indian Defense: Gibbins-Weidenhagen Gambit, Oshima Defense — 1.d4 Nf6 2.g4 e5
- Indian Defense: Gibbins-Weidenhagen Gambit, Stummer Gambit — 1.d4 Nf6 2.g4 Nxg4 3.e4 d6 4.Be2 Nf6 5.Nc3
- Indian Defense: Lazard Gambit — 1.d4 Nf6 2.Nd2 e5
- Indian Defense: Maddigan Gambit — 1.d4 Nf6 2.Nc3 e5
- Indian Defense: Omega Gambit — 1.d4 Nf6 2.e4
- Indian Defense: Omega Gambit, Arafat Gambit — 1.d4 Nf6 2.e4 Nxe4 3.Bd3 Nf6 4.Bg5
- Indian Defense: Paleface Attack, Blackmar-Diemer Gambit Deferred — 1.d4 Nf6 2.f3 d5 3.e4
- Indian Defense: Pawn Push Variation — 1.d4 Nf6 2.d5
- Indian Defense: Reversed Chigorin Defense — 1.d4 Nf6 2.Nc3 c5
- Indian Defense: Tartakower Attack — 1.d4 Nf6 2.g3
- Paleface Attack — 1.d4 Nf6 2.f3
- Queen's Pawn Game: Veresov, Richter Attack — 1.d4 Nf6 2.f3 d5 3.Nc3
- Trompowsky Attack — 1.d4 Nf6 2.Bg5
- Trompowsky Attack: Borg Variation — 1.d4 Nf6 2.Bg5 Ne4 3.Bf4 g5
- Trompowsky Attack: Classical Defense — 1.d4 Nf6 2.Bg5 e6
- Trompowsky Attack: Classical Defense, Big Center Variation — 1.d4 Nf6 2.Bg5 e6 3.e4
- Trompowsky Attack: Edge Variation — 1.d4 Nf6 2.Bg5 Ne4 3.Bh4
- Trompowsky Attack: Edge Variation, Hergert Gambit — 1.d4 Nf6 2.Bg5 Ne4 3.Bh4 d5 4.f3 Nf6 5.Nc3 Bf5 6.e4
- Trompowsky Attack: Poisoned Pawn Variation — 1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3
- Trompowsky Attack: Raptor Variation — 1.d4 Nf6 2.Bg5 Ne4 3.h4
- Trompowsky Attack: Raptor Variation, Hergert Gambit — 1.d4 Nf6 2.Bg5 Ne4 3.h4 Nxg5 4.hxg5 e5