| Eco | Name | First moves | # games |
|---|
| B01 | Scandinavian | 1 e4 d5 | 2 |
| B04 | Alekhine's Defense, Modern | 1 e4 Sf6 2 e5 Sd5 3 d4 d6 4 Sf3 | 2 |
| B22 | Sicilian, Alapin | 1 e4 c5 2 c3 | 2 |
| B33 | Sicilian | 1 e4 c5 2 Sf3 Sc6 3 d4 cxd4 4 Sxd4 | 2 |
| D32 | Queen's Gambit Declined, Tarrasch | 1 d4 d5 2 c4 e6 3 Sc3 c5 | 2 |
| A22 | English | 1 c4 e5 2 Sc3 Sf6 | 1 |
| A47 | Queen's Indian | 1 d4 Sf6 2 Sf3 b6 | 1 |
| A50 | Queen's Pawn Game | 1 d4 Sf6 2 c4 | 1 |
| A94 | Dutch, Stonewall with Ba3 | 1 d4 f5 2 c4 Sf6 3 g3 e6 4 Lg2 Le7 5 Sf3 O-O 6 O-O d5 7 b3 c6 8 La3 | 1 |
| B07 | Pirc | 1 e4 d6 2 d4 Sf6 | 1 |
| B20 | Sicilian | 1 e4 c5 | 1 |
| B23 | Sicilian, Closed | 1 e4 c5 2 Sc3 | 1 |
| C27 | Vienna Game | 1 e4 e5 2 Sc3 Sf6 3 Lc4 Sxe4 | 1 |
| C42 | Petrov Defense | 1 e4 e5 2 Sf3 Sf6 | 1 |
| C44 | King's Pawn Game | 1 e4 e5 2 Sf3 Sc6 | 1 |
| C47 | Four Knights | 1 e4 e5 2 Sf3 Sc6 3 Sc3 Sf6 | 1 |
| C50 | Giuoco Piano | 1 e4 e5 2 Sf3 Sc6 3 Lc4 Lc5 | 1 |
| C55 | Two Knights Defense | 1 e4 e5 2 Sf3 Sc6 3 Lc4 Sf6 | 1 |
| C63 | Ruy Lopez, Schliemann Defense | 1 e4 e5 2 Sf3 Sc6 3 Lb5 f5 | 1 |
| C80 | Ruy Lopez, Open | 1 e4 e5 2 Sf3 Sc6 3 Lb5 a6 4 La4 Sf6 5 O-O Sxe4 | 1 |
| D17 | Queen's Gambit Declined Slav | 1 d4 d5 2 c4 c6 3 Sf3 Sf6 4 Sc3 dxc4 5 a4 Lf5 | 1 |
