| Eco | Name | First moves | # games |
|---|
| A45 | Queen's Pawn Game | 1 d4 Sf6 | 2 |
| A90 | Dutch | 1 d4 f5 2 c4 Sf6 3 g3 e6 4 Lg2 | 2 |
| B16 | Caro-Kann, Bronstein-Larsen Variation | 1 e4 c6 2 d4 d5 3 Sc3 dxe4 4 Sxe4 Sf6 5 Sxf6+ gxf6 | 2 |
| D00 | Queen's Pawn Game | 1 d4 d5 | 2 |
| A25 | English | 1 c4 e5 2 Sc3 Sc6 | 1 |
| A40 | Queen's Pawn Game | 1 d4 | 1 |
| A46 | Queen's Pawn Game | 1 d4 Sf6 2 Sf3 | 1 |
| A47 | Queen's Indian | 1 d4 Sf6 2 Sf3 b6 | 1 |
| A53 | Old Indian | 1 d4 Sf6 2 c4 d6 | 1 |
| B17 | Caro-Kann, Steinitz Variation | 1 e4 c6 2 d4 d5 3 Sc3 dxe4 4 Sxe4 Sd7 | 1 |
| B21 | Sicilian, 2.f4 and 2.d4 | 1 e4 c5 2 f4 | 1 |
| B27 | Sicilian | 1 e4 c5 2 Sf3 | 1 |
| B34 | Sicilian, Accelerated Fianchetto | 1 e4 c5 2 Sf3 Sc6 3 d4 cxd4 4 Sxd4 g6 5 Sxc6 | 1 |
| B38 | Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 | 1 e4 c5 2 Sf3 Sc6 3 d4 cxd4 4 Sxd4 g6 5 c4 Lg7 6 Le3 | 1 |
| B84 | Sicilian, Scheveningen | 1 e4 c5 2 Sf3 d6 3 d4 cxd4 4 Sxd4 Sf6 5 Sc3 e6 6 Le2 a6 | 1 |
| B95 | Sicilian, Najdorf, 6...e6 | 1 e4 c5 2 Sf3 d6 3 d4 cxd4 4 Sxd4 Sf6 5 Sc3 a6 6 Lg5 e6 | 1 |
| B99 | Sicilian, Najdorf, 7...Be7 Main line | 1 e4 c5 2 Sf3 d6 3 d4 cxd4 4 Sxd4 Sf6 5 Sc3 a6 6 Lg5 e6 7 f4 Le7 8 Df3 Dc7 9 O-O-O Sbd7 | 1 |
| C01 | French, Exchange | 1 e4 e6 2 d4 d5 3 exd5 exd5 4 Sc3 Sf6 5 Lg5 | 1 |
| C30 | King's Gambit Declined | 1 e4 e5 2 f4 | 1 |
| C44 | King's Pawn Game | 1 e4 e5 2 Sf3 Sc6 | 1 |
| C45 | Scotch Game | 1 e4 e5 2 Sf3 Sc6 3 d4 exd4 4 Sxd4 | 1 |
| C50 | Giuoco Piano | 1 e4 e5 2 Sf3 Sc6 3 Lc4 Lc5 | 1 |
| C57 | Two Knights | 1 e4 e5 2 Sf3 Sc6 3 Lc4 Sf6 4 Sg5 | 1 |
| C80 | Ruy Lopez, Open | 1 e4 e5 2 Sf3 Sc6 3 Lb5 a6 4 La4 Sf6 5 O-O Sxe4 | 1 |
| C89 | Ruy Lopez, Marshall | 1 e4 e5 2 Sf3 Sc6 3 Lb5 a6 4 La4 Sf6 5 O-O Le7 6 Te1 b5 7 Lb3 O-O 8 c3 d5 | 1 |
| D02 | Queen's Pawn Game | 1 d4 d5 2 Sf3 | 1 |
| D10 | Queen's Gambit Declined Slav | 1 d4 d5 2 c4 c6 | 1 |
| D11 | Queen's Gambit Declined Slav | 1 d4 d5 2 c4 c6 3 Sf3 | 1 |
| D37 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Sf3 | 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 |
| D50 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Lg5 | 1 |
| D51 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Lg5 Sbd7 | 1 |
| D94 | Grunfeld | 1 d4 Sf6 2 c4 g6 3 Sc3 d5 4 Sf3 Lg7 5 e3 | 1 |
| E20 | Nimzo-Indian | 1 d4 Sf6 2 c4 e6 3 Sc3 Lb4 | 1 |
