| Eco | Name | First moves | # games |
|---|
| D02 | Queen's Pawn Game | 1 d4 d5 2 Sf3 | 3 |
| A03 | Bird's Opening | 1 f4 d5 | 2 |
| A48 | King's Indian | 1 d4 Sf6 2 Sf3 g6 | 2 |
| A02 | Bird's Opening | 1 f4 | 1 |
| A07 | King's Indian Attack | 1 Sf3 d5 2 g3 | 1 |
| A40 | Queen's Pawn Game | 1 d4 | 1 |
| A80 | Dutch | 1 d4 f5 | 1 |
| B01 | Scandinavian | 1 e4 d5 | 1 |
| B22 | Sicilian, Alapin | 1 e4 c5 2 c3 | 1 |
| B27 | Sicilian | 1 e4 c5 2 Sf3 | 1 |
| B32 | Sicilian | 1 e4 c5 2 Sf3 Sc6 3 d4 cxd4 4 Sxd4 e5 | 1 |
| C01 | French, Exchange | 1 e4 e6 2 d4 d5 3 exd5 exd5 4 Sc3 Sf6 5 Lg5 | 1 |
| C02 | French, Advance | 1 e4 e6 2 d4 d5 3 e5 | 1 |
| C23 | Bishop's Opening | 1 e4 e5 2 Lc4 | 1 |
| C31 | King's Gambit Declined, Falkbeer Counter Gambit | 1 e4 e5 2 f4 d5 | 1 |
| C54 | Giuoco Piano | 1 e4 e5 2 Sf3 Sc6 3 Lc4 Lc5 4 c3 Sf6 5 d4 exd4 6 cxd4 | 1 |
| C65 | Ruy Lopez, Berlin Defense | 1 e4 e5 2 Sf3 Sc6 3 Lb5 Sf6 | 1 |
| D23 | Queen's Gambit Accepted | 1 d4 d5 2 c4 dxc4 3 Sf3 Sf6 | 1 |
| E76 | King's Indian, Four Pawns Attack | 1 d4 Sf6 2 c4 g6 3 Sc3 Lg7 4 e4 d6 5 f4 | 1 |
| E92 | King's Indian | 1 d4 Sf6 2 c4 g6 3 Sc3 Lg7 4 e4 d6 5 Sf3 O-O 6 Le2 e5 | 1 |
