| ECO | Moves | Opening | ||
| A53 | 1. d4 Nf6 2. c4 d6 | Old Indian defence | ||
| A54 | 1. d4 Nf6 2. c4 d6 3. Nc3 e5 | Old Indian, Ukrainian variation | ||
| A55 | 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 | Old Indian, main line |
| ECO | Moves | Opening | ||
| A53 | 1. d4 Nf6 2. c4 d6 | Old Indian defence | ||
| A54 | 1. d4 Nf6 2. c4 d6 3. Nc3 e5 | Old Indian, Ukrainian variation | ||
| A55 | 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 | Old Indian, main line |