| Eco | Name | First moves | # games |
|---|
| D00 | Queen's Pawn Game | 1 d4 d5 | 3 |
| A00 | Uncommon Opening | 1 a3, b3, d3, g4, etc. | 2 |
| A06 | Reti Opening | 1 Sf3 d5 | 2 |
| B15 | Caro-Kann | 1 e4 c6 2 d4 d5 3 Sc3 | 2 |
| B21 | Sicilian, 2.f4 and 2.d4 | 1 e4 c5 2 f4 | 2 |
| C55 | Two Knights Defense | 1 e4 e5 2 Sf3 Sc6 3 Lc4 Sf6 | 2 |
| D02 | Queen's Pawn Game | 1 d4 d5 2 Sf3 | 2 |
| D20 | Queen's Gambit Accepted | 1 d4 d5 2 c4 dxc4 | 2 |
| D86 | Grunfeld, Exchange | 1 d4 Sf6 2 c4 g6 3 Sc3 d5 4 cxd5 Sxd5 5 e4 Sxc3 6 bxc3 Lg7 7 Lc4 | 2 |
| D94 | Grunfeld | 1 d4 Sf6 2 c4 g6 3 Sc3 d5 4 Sf3 Lg7 5 e3 | 2 |
| A01 | Nimzovich-Larsen Attack | 1 b3 | 1 |
| A05 | Reti Opening | 1 Sf3 Sf6 | 1 |
| A07 | King's Indian Attack | 1 Sf3 d5 2 g3 | 1 |
| A41 | Queen's Pawn Game (with ...d6) | 1 d4 d6 | 1 |
| A42 | Modern Defense, Averbakh System | 1 d4 d6 2 c4 g6 3 Sc3 Lg7 4 e4 | 1 |
| A81 | Dutch | 1 d4 f5 2 g3 | 1 |
| A85 | Dutch, with c4 & Nc3 | 1 d4 f5 2 c4 Sf6 3 Sc3 | 1 |
| A90 | Dutch | 1 d4 f5 2 c4 Sf6 3 g3 e6 4 Lg2 | 1 |
| B01 | Scandinavian | 1 e4 d5 | 1 |
| B07 | Pirc | 1 e4 d6 2 d4 Sf6 | 1 |
| B11 | Caro-Kann, Two Knights, 3...Bg4 | 1 e4 c6 2 Sc3 d5 3 Sf3 Lg4 | 1 |
| B18 | Caro-Kann, Classical | 1 e4 c6 2 d4 d5 3 Sc3 dxe4 4 Sxe4 Lf5 | 1 |
| B20 | Sicilian | 1 e4 c5 | 1 |
| B22 | Sicilian, Alapin | 1 e4 c5 2 c3 | 1 |
| B23 | Sicilian, Closed | 1 e4 c5 2 Sc3 | 1 |
| B25 | Sicilian, Closed | 1 e4 c5 2 Sc3 Sc6 3 g3 g6 4 Lg2 Lg7 5 d3 d6 | 1 |
| B28 | Sicilian, O'Kelly Variation | 1 e4 c5 2 Sf3 a6 | 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 |
| B46 | Sicilian, Taimanov Variation | 1 e4 c5 2 Sf3 e6 3 d4 cxd4 4 Sxd4 Sc6 5 Sc3 a6 | 1 |
| B53 | Sicilian | 1 e4 c5 2 Sf3 d6 3 d4 cxd4 4 Dxd4 | 1 |
| B92 | Sicilian, Najdorf, Opocensky Variation | 1 e4 c5 2 Sf3 d6 3 d4 cxd4 4 Sxd4 Sf6 5 Sc3 a6 6 Le2 | 1 |
| C01 | French, Exchange | 1 e4 e6 2 d4 d5 3 exd5 exd5 4 Sc3 Sf6 5 Lg5 | 1 |
| C23 | Bishop's Opening | 1 e4 e5 2 Lc4 | 1 |
| C27 | Vienna Game | 1 e4 e5 2 Sc3 Sf6 3 Lc4 Sxe4 | 1 |
| C41 | Philidor Defense | 1 e4 e5 2 Sf3 d6 | 1 |
| C42 | Petrov Defense | 1 e4 e5 2 Sf3 Sf6 | 1 |
| C44 | King's Pawn Game | 1 e4 e5 2 Sf3 Sc6 | 1 |
| C65 | Ruy Lopez, Berlin Defense | 1 e4 e5 2 Sf3 Sc6 3 Lb5 Sf6 | 1 |
| D04 | Queen's Pawn Game | 1 d4 d5 2 Sf3 Sf6 3 e3 | 1 |
| D12 | Queen's Gambit Declined Slav | 1 d4 d5 2 c4 c6 3 Sf3 Sf6 4 e3 Lf5 | 1 |
| D31 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 3 Sc3 | 1 |
| D45 | Queen's Gambit Declined Semi-Slav | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Sf3 c6 5 e3 | 1 |
| E16 | Queen's Indian | 1 d4 Sf6 2 c4 e6 3 Sf3 b6 4 g3 Lb7 5 Lg2 Lb4+ | 1 |
| E49 | Nimzo-Indian, 4.e3, Botvinnik System | 1 d4 Sf6 2 c4 e6 3 Sc3 Lb4 4 e3 O-O 5 Ld3 d5 6 a3 Lxc3+ 7 bxc3 | 1 |
| E61 | King's Indian | 1 d4 Sf6 2 c4 g6 3 Sc3 | 1 |
