English opening

Its ECO code is from A13-39

[Black "A13"]{ English Opening}
1.c4 e6

{A13 English Opening
Romanishin Gambit}
1.c4 e6 2.Nf3 Nf6 3.g3 a6 4.Bg2 b5

{A13 English Opening
Agincourt Variation}
1.c4 e6 2.Nf3 d5

{A13 English Opening
Wimpey System}
1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 5.e3

{A13 English Opening
Agincourt Variation}
1.c4 e6 2.Nf3 d5 3.g3

{A13 English Opening
Kurajica Defence}
1.c4 e6 2.Nf3 d5 3.g3 c6

{A13 English Opening
Neo-Catalan}
1.c4 e6 2.Nf3 d5 3.g3 Nf6

{A13 English Opening
Neo-Catalan Accepted}
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4

[Black "A14"]{ English Opening
Neo-Catalan declined}
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O

{A14 English Opening
Symmetrical, Keres Defence}
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O c5 6.cxd5 Nxd5 7.Nc3 Nc6

[Black "A15"]{ English Opening
1...Nf6 (Anglo-Indian Defence)}
1.c4 Nf6

{A15 English Opening
Orang-utan}
1.c4 Nf6 2.b4

{A15 English Opening}
1.c4 Nf6 2.Nf3

[Black "A16"]{ English Opening}
1.c4 Nf6 2.Nc3

{A16 English Opening
Anglo-Gruenfeld Defence}
1.c4 Nf6 2.Nc3 d5

{A16 English Opening
Anglo-Gruenfeld Defence, Smyslov Defence}
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3

{A16 English Opening
Anglo-Gruenfeld Defence, Czech Defence}
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6

{A16 English Opening
Anglo-Gruenfeld Defence}
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3

{A16 English Opening
Anglo-Gruenfeld Defence, Korchnoi Variation}
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3 Bg7 6.Bg2 e5

[Black "A17"]{ English Opening}
1.c4 Nf6 2.Nc3 e6

{A17 English Opening
Queen's Indian formation}
1.c4 Nf6 2.Nc3 e6 3.Nf3 b6

{A17 English Opening
Queen's Indian, Romanishin Variation}
1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.e4 Bb7 5.Bd3
{A17 English Opening
Nimzo-English Opening}
1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4

[Black "A18"]{ English Opening
Mikenas-Carls Variation}
1.c4 Nf6 2.Nc3 e6 3.e4

{A18 English Opening
Mikenas-Carls, Flohr Variation}
1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5

{A18 English Opening
Mikenas-Carls, Kevitz Variation}
1.c4 Nf6 2.Nc3 e6 3.e4 Nc6

[Black "A19"]{ English Opening
Mikenas-Carls, Sicilian Variation}
1.c4 Nf6 2.Nc3 e6 3.e4 c5

[Black "A20"]{ English Opening}
1.c4 e5

{A20 English Opening
Nimzovich Variation}
1.c4 e5 2.Nf3

{A20 English Opening
Nimzovich, Flohr Variation}
1.c4 e5 2.Nf3 e4

[Black "A21"]{ English Opening}
1.c4 e5 2.Nc3

{A21 English Opening
Troeger Defence}
1.c4 e5 2.Nc3 d6 3.g3 Be6 4.Bg2 Nc6

{A21 English Opening
Keres Variation}
1.c4 e5 2.Nc3 d6 3.g3 c6

{A21 English Opening}
1.c4 e5 2.Nc3 d6 3.Nf3

{A21 English Opening
Smyslov Defence}
1.c4 e5 2.Nc3 d6 3.Nf3 Bg4

{A21 English Opening
Kramnik-Shirov Counterattack}
1.c4 e5 2.Nc3 Bb4

[Black "A22"]{ English Opening}
1.c4 e5 2.Nc3 Nf6

{A22 English Opening
Bellon Gambit}
1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5

{A22 English Opening
Carls' Bremen System}
1.c4 e5 2.Nc3 Nf6 3.g3

{A22 English Opening
Bremen System, Reverse Dragon}
1.c4 e5 2.Nc3 Nf6 3.g3 d5

{A22 English Opening
Bremen System, Smyslov System}
1.c4 e5 2.Nc3 Nf6 3.g3 Bb4