| Eco | Name | First moves | # games |
|---|
| D02 | Queen's Pawn Game | 1 d4 d5 2 Sf3 | 3 |
| B20 | Sicilian | 1 e4 c5 | 2 |
| C42 | Petrov Defense | 1 e4 e5 2 Sf3 Sf6 | 2 |
| A17 | English | 1 c4 Sf6 2 Sc3 e6 | 1 |
| A23 | English, Bremen System, Keres Variation | 1 c4 e5 2 Sc3 Sf6 3 g3 c6 | 1 |
| A29 | English, Four Knights, Kingside Fianchetto | 1 c4 e5 2 Sc3 Sc6 3 Sf3 Sf6 4 g3 | 1 |
| A34 | English, Symmetrical | 1 c4 c5 2 Sc3 | 1 |
| A35 | English, Symmetrical | 1 c4 c5 2 Sc3 Sc6 | 1 |
| A80 | Dutch | 1 d4 f5 | 1 |
| A85 | Dutch, with c4 & Nc3 | 1 d4 f5 2 c4 Sf6 3 Sc3 | 1 |
| B21 | Sicilian, 2.f4 and 2.d4 | 1 e4 c5 2 f4 | 1 |
| B22 | Sicilian, Alapin | 1 e4 c5 2 c3 | 1 |
| B30 | Sicilian | 1 e4 c5 2 Sf3 Sc6 | 1 |
| B50 | Sicilian | 1 e4 c5 2 Sf3 d6 | 1 |
| C00 | French Defense | 1 e4 e6 | 1 |
| C10 | French | 1 e4 e6 2 d4 d5 3 Sc3 | 1 |
| C15 | French, Winawer | 1 e4 e6 2 d4 d5 3 Sc3 Lb4 | 1 |
| C41 | Philidor Defense | 1 e4 e5 2 Sf3 d6 | 1 |
| C45 | Scotch Game | 1 e4 e5 2 Sf3 Sc6 3 d4 exd4 4 Sxd4 | 1 |
| C68 | Ruy Lopez, Exchange | 1 e4 e5 2 Sf3 Sc6 3 Lb5 a6 4 Lxc6 | 1 |
| D03 | Torre Attack (Tartakower Variation) | 1 d4 d5 2 Sf3 Sf6 3 Lg5 | 1 |
| D08 | Queen's Gambit Declined, Albin Counter Gambit | 1 d4 d5 2 c4 e5 | 1 |
| D35 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 | 1 |
| D45 | Queen's Gambit Declined Semi-Slav | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Sf3 c6 5 e3 | 1 |
| D46 | Queen's Gambit Declined Semi-Slav | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Sf3 c6 5 e3 Sbd7 6 Ld3 | 1 |
| D53 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Lg5 Le7 | 1 |
| E90 | King's Indian | 1 d4 Sf6 2 c4 g6 3 Sc3 Lg7 4 e4 d6 5 Sf3 | 1 |
