| ECO | Moves | Opening | ||
| B07 | 1. e4 d6 2. d4 Nf6 3. Nc3 | Pirc defence | ||
| B08 | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 | Pirc, classical (two knights) system | ||
| B09 | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 | Pirc, Austrian attack |
| ECO | Moves | Opening | ||
| B07 | 1. e4 d6 2. d4 Nf6 3. Nc3 | Pirc defence | ||
| B08 | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 | Pirc, classical (two knights) system | ||
| B09 | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 | Pirc, Austrian attack |