| Eco | Name | First moves | # games |
|---|
| A00 | Uncommon Opening | 1 a3, b3, d3, g4, etc. | 2 |
| A01 | Nimzovich-Larsen Attack | 1 b3 | 2 |
| A03 | Bird's Opening | 1 f4 d5 | 1 |
| A06 | Reti Opening | 1 Sf3 d5 | 1 |
| A08 | King's Indian Attack | 1 Sf3 d5 2 g3 c5 3 Lg2 | 1 |
| A12 | English with b3 | 1 c4 c6 2 Sf3 d5 3 b3 | 1 |
| A16 | English | 1 c4 Sf6 2 Sc3 | 1 |
| A28 | English | 1 c4 e5 2 Sc3 Sc6 3 Sf3 Sf6 | 1 |
| A47 | Queen's Indian | 1 d4 Sf6 2 Sf3 b6 | 1 |
| B01 | Scandinavian | 1 e4 d5 | 1 |
| B12 | Caro-Kann Defense | 1 e4 c6 2 d4 | 1 |
| B15 | Caro-Kann | 1 e4 c6 2 d4 d5 3 Sc3 | 1 |
| B21 | Sicilian, 2.f4 and 2.d4 | 1 e4 c5 2 f4 | 1 |
| B23 | Sicilian, Closed | 1 e4 c5 2 Sc3 | 1 |
| B45 | Sicilian, Taimanov | 1 e4 c5 2 Sf3 e6 3 d4 cxd4 4 Sxd4 Sc6 5 Sc3 | 1 |
| C02 | French, Advance | 1 e4 e6 2 d4 d5 3 e5 | 1 |
| C25 | Vienna | 1 e4 e5 2 Sc3 | 1 |
| D04 | Queen's Pawn Game | 1 d4 d5 2 Sf3 Sf6 3 e3 | 1 |
| D24 | Queen's Gambit Accepted | 1 d4 d5 2 c4 dxc4 3 Sf3 Sf6 4 Sc3 | 1 |
| D30 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 | 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 |
| D90 | Grunfeld | 1 d4 Sf6 2 c4 g6 3 Sc3 d5 4 Sf3 | 1 |
| E11 | Bogo-Indian Defense | 1 d4 Sf6 2 c4 e6 3 Sf3 Lb4+ | 1 |
| E32 | Nimzo-Indian, Classical | 1 d4 Sf6 2 c4 e6 3 Sc3 Lb4 4 Dc2 | 1 |
| E61 | King's Indian | 1 d4 Sf6 2 c4 g6 3 Sc3 | 1 |
