C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O - Italian Game: Two Knights Defense, Modern Bishop's Opening

├── C55 - 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Be7 5. O-O d6 6. a4 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. a4 - Italian Game: Two Knights Defense, Modern Bishop's Opening (4)
├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Bb3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (2)
├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. h3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Nbd2 - Italian Game: Two Knights Defense, Modern Bishop's Opening (3)
├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Nc3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (8)
└── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 - Italian Game: Two Knights Defense, Modern Bishop's Opening (18)
    ├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (4)
    ├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 - Italian Game: Two Knights Defense, Modern Bishop's Opening (13)
    │   ├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 a5 - Italian Game: Two Knights Defense, Modern Bishop's Opening (2)
    │   ├── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Be6 - Italian Game: Two Knights Defense, Modern Bishop's Opening (6)
    │   └── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 - Italian Game: Two Knights Defense, Modern Bishop's Opening (5)
    └── C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. c3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)