ECO E15
ECO E00–E99 — Indian Defenses: 1.d4 Nf6 with the Nimzo-Indian, Queen's Indian, Catalan and King's Indian complexes.
12 named opening lines are classified under ECO code E15.
- Queen's Indian Defense: Buerger Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Ng5
- Queen's Indian Defense: Fianchetto Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3
- Queen's Indian Defense: Fianchetto Variation, Check Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+
- Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7
- Queen's Indian Defense: Fianchetto Variation, Check Variation, Modern Line — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Qe7
- Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6
- Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4
- Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3
- Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Timman's Line — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qb3
- Queen's Indian Defense: Fianchetto Variation, Rubinstein Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Nh4
- Queen's Indian Defense: Fianchetto Variation, Sämisch Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5
- Queen's Indian Defense: Fianchetto Variation, Traditional Line — 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7