Pirc Defense: Classical Variation, Quiet System
├── B08 - 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. Be2 O-O 6. Be3 - Pirc Defense: Classical Variation, Quiet System (1) └── B08 - 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nc6 - Pirc Defense: Classical Variation, Quiet System, Chigorin Line (2)
