ECO A29
ECO A00–A99 — Flank openings: 1.c4, 1.Nf3, 1.f4 and other first moves, plus early Indian and Benoni systems.
8 named opening lines are classified under ECO code A29.
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line — 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc6 — 1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.Nf3 Re8 6.O-O e4 7.Nd4 Nc6
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6 — 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.d3 d6 6.Bg2
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be7 — 1.c4 e5 2.Nc3 Nf6 3.g3 Nc6 4.Bg2 d6 5.d3 Be7 6.Nf3 O-O
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a6 — 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.d3 d6 6.Bg2 a6
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h6 — 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.d3 d6 6.Bg2 h6
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5 — 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Bc5
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 — 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6