ECO Chess Codes E9 - King's Indian Defence Classical Variation
E90 - King's Indian Defence/Classical Variation
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3

E91
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O   
6. Be2

E92
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5

E93 - King's Indian Defence/Classical Variation, Petrosian System
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5   
7. d5 Nbd7

E94 - King's Indian Defence/Classical Variation/Old system
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5   
7. O-O

E95
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5   
7. O-O Nbd7   
8. Re1

E96
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5   
7. O-O Nbd7   
8. Re1 c6   
9. Bf1 a5

E97 - King's Indian Defence/Classical Variation/Mar del Plata System
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5   
7. O-O Nc6

E98
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5   
7. O-O Nc6   
8. d5 Ne7   
9. Ne1

E99
1. d4 Nf6   
2. c4 g6   
3. Nc3 Bg7   
4. e4 d6   
5. Nf3 O-O
6. Be2 e5   
7. O-O Nc6   
8. d5 Ne7   
9. Ne1 Nd7    
10. f3 f5

ECO Chess Codes
Chess Notation
Chess Metanode
Chess Openings

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