| Eco | Name | First moves | # games |
|---|
| C45 | Scotch Game | 1 e4 e5 2 Sf3 Sc6 3 d4 exd4 4 Sxd4 | 3 |
| A01 | Nimzovich-Larsen Attack | 1 b3 | 2 |
| B21 | Sicilian, 2.f4 and 2.d4 | 1 e4 c5 2 f4 | 2 |
| A11 | English, Caro-Kann Defensive System | 1 c4 c6 | 1 |
| A28 | English | 1 c4 e5 2 Sc3 Sc6 3 Sf3 Sf6 | 1 |
| A50 | Queen's Pawn Game | 1 d4 Sf6 2 c4 | 1 |
| A84 | Dutch | 1 d4 f5 2 c4 | 1 |
| B15 | Caro-Kann | 1 e4 c6 2 d4 d5 3 Sc3 | 1 |
| B16 | Caro-Kann, Bronstein-Larsen Variation | 1 e4 c6 2 d4 d5 3 Sc3 dxe4 4 Sxe4 Sf6 5 Sxf6+ gxf6 | 1 |
| B40 | Sicilian | 1 e4 c5 2 Sf3 e6 | 1 |
| B41 | Sicilian, Kan | 1 e4 c5 2 Sf3 e6 3 d4 cxd4 4 Sxd4 a6 | 1 |
| B85 | Sicilian, Scheveningen, Classical | 1 e4 c5 2 Sf3 d6 3 d4 cxd4 4 Sxd4 Sf6 5 Sc3 e6 6 Le2 a6 7 O-O Dc7 8 f4 Sc6 | 1 |
| C27 | Vienna Game | 1 e4 e5 2 Sc3 Sf6 3 Lc4 Sxe4 | 1 |
| C32 | King's Gambit Declined, Falkbeer Counter Gambit | 1 e4 e5 2 f4 d5 3 exd5 e4 4 d3 Sf6 | 1 |
| C41 | Philidor Defense | 1 e4 e5 2 Sf3 d6 | 1 |
| C56 | Two Knights | 1 e4 e5 2 Sf3 Sc6 3 Lc4 Sf6 4 d4 exd4 5 O-O Sxe4 | 1 |
| C62 | Ruy Lopez, Old Steinitz Defense | 1 e4 e5 2 Sf3 Sc6 3 Lb5 d6 | 1 |
| C66 | Ruy Lopez | 1 e4 e5 2 Sf3 Sc6 3 Lb5 Sf6 4 O-O d6 | 1 |
| C78 | Ruy Lopez | 1 e4 e5 2 Sf3 Sc6 3 Lb5 a6 4 La4 Sf6 5 O-O | 1 |
| D00 | Queen's Pawn Game | 1 d4 d5 | 1 |
| D03 | Torre Attack (Tartakower Variation) | 1 d4 d5 2 Sf3 Sf6 3 Lg5 | 1 |
| D07 | Queen's Gambit Declined, Chigorin Defense | 1 d4 d5 2 c4 Sc6 | 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 |
| D41 | Queen's Gambit Declined, Semi-Tarrasch | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Sf3 c5 5 cxd5 | 1 |
| D45 | Queen's Gambit Declined Semi-Slav | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Sf3 c6 5 e3 | 1 |
| D87 | Grunfeld, Exchange | 1 d4 Sf6 2 c4 g6 3 Sc3 d5 4 cxd5 Sxd5 5 e4 Sxc3 6 bxc3 Lg7 7 Lc4 O-O 8 Se2 c5 | 1 |
| E66 | King's Indian, Fianchetto, Yugoslav Panno | 1 d4 Sf6 2 c4 g6 3 Sc3 Lg7 4 Sf3 d6 5 g3 O-O 6 Lg2 c5 7 O-O Sc6 8 d5 | 1 |
