ENCYCLOPAEDIA OF CHESS OPENINGS
»ECO Code« is a trademark of Chess Informant Inc.

ECO
D60

ECO
D61

ECO
D62

ECO
D63

ECO
D64

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

5. e3 0-0
6. Nf3 Nbd7

5. e3 0-0
6. Nf3 Nbd7
7. Qc2

5. e3 0-0
6. Nf3 Nbd7
7. Qc2 c5 8. cd5

5. e3 0-0
6. Nf3 Nbd7 7. Rc1

5. e3 0-0
6. Nf3 Nbd7
7. Rc1 c6

without 7. Qc2,
7. Rc1

without 7... c5

without 7... c6

without 8. Qc2,
8. Bd3

7... c5 without
8. cd5

8. Qc2 without
8... a6

8... a6 without
9. cd5

ECO
D65

ECO
D66

ECO
D67

ECO
D68

ECO
D69

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

1. d4 d5 2. c4 e6
3. Nc3 Nf6
4. Bg5 Be7

5. e3 0-0
6. Nf3 Nbd7
7. Rc1 c6 8. Qc2 a6

5. e3 0-0
6. Nf3 Nbd7
7. Rc1 c6 8. Bd3

5. e3 0-0
6. Nf3 Nbd7
7. Rc1 c6

5. e3 0-0
6. Nf3 Nbd7
7. Rc1 c6

5. e3 0-0
6. Nf3 Nbd7
7. Rc1 c6

9. cd5

without 8... dc4

8. Bd3 dc4
9. Bc4 Nd5

8. Bd3 dc4
9. Bc4 Nd5
10. Be7 Qe7

8. Bd3 dc4
9. Bc4 Nd5
10. Be7 Qe7

8... dc4 without
9. Bc4

without 10. Be7

11. 0-0

without 11... Nc3

11. 0-0 Nc3
12. Rc3 e5
13. de5

9. Bc4 without
9... Nd5

10. Be7 without 10... Qe7

11... Nc3 without 12. Rc3

10... Qe7 without 11. 0-0

12. Rc3 without 12... e5

12... e5 without
13. de5