Code ECO C47 – Four Knights Game

Coups: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6

├── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 - Four Knights Game: Gunsberg Variation (2)
├── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 - Four Knights Game: Scotch Variation Accepted (20)
│   ├── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 - Four Knights Game: Scotch Variation Accepted (17)
│   │   ├── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 - Four Knights Game: Scotch Variation Accepted (10)
│   │   │   └── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O - Four Knights Game: Scotch Variation Accepted, Main Line (9)
│   │   ├── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d6 - Four Knights Game: Scotch Variation Accepted (1)
│   │   └── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O - Four Knights Game: Scotch Variation Accepted (6)
│   └── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bc5 6. Be3 - Four Knights Game: Scotch Variation Accepted (3)
├── C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 - Four Knights Game: Glek System (1)
└── C47 - 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Nd5 (1)