ECO Chess Codes E1 - Indian Defences with 3. Nf3
E10 - Indian system with 2...e6
1. d4 Nf6
2. c4 e6
3. Nf3
E11 - Bogo-Indian Defence
1. d4 Nf6
2. c4 e6
3. Nf3 Bb4
E12 - Queen's Indian Defence
1. d4 Nf6
2. c4 e6
3. Nf3 b6
E13
1. d4 Nf6
2. c4 e6
3. Nf3 b6
4. Nc3 Bb7
5. Bg5 h6
6. Bh4 Bb4
E14 - Queen's Indian Defence/Closed Variation
1. d4 Nf6
2. c4 e6
3. Nf3 b6
4. e3
E15 - Queen's Indian Defence/Classical Variation
1. d4 Nf6
2. c4 e6
3. Nf3 b6
4. g3
E16
1. d4 Nf6
2. c4 e6
3. Nf3 b6
4. g3 Bb7
5. Bg2 Bb4
E17
1. d4 Nf6
2. c4 e6
3. Nf3 b6
4. g3 Bb7
5. Bg2 Be7
E18
1. d4 Nf6
2. c4 e6
3. Nf3 b6
4. g3 Bb7
5. Bg2 Be7
6. O-O O-O
7. Nc3
E19
1. d4 Nf6
2. c4 e6
3. Nf3 b6
4. g3 Bb7
5. Bg2 Be7
6. O-O O-O
7. Nc3 Ne4
8. Qc2 Nc3
9. Qc3
ECO Chess Codes
Chess Notation
Chess Openings