| Eco | Name | First moves | # games |
|---|
| A10 | English | 1 c4 | 2 |
| C45 | Scotch Game | 1 e4 e5 2 Sf3 Sc6 3 d4 exd4 4 Sxd4 | 2 |
| A46 | Queen's Pawn Game | 1 d4 Sf6 2 Sf3 | 1 |
| A55 | Old Indian, Main line | 1 d4 Sf6 2 c4 d6 3 Sc3 e5 4 Sf3 Sbd7 5 e4 | 1 |
| A85 | Dutch, with c4 & Nc3 | 1 d4 f5 2 c4 Sf6 3 Sc3 | 1 |
| A88 | Dutch, Leningrad, Main Variation with c6 | 1 d4 f5 2 c4 Sf6 3 g3 g6 4 Lg2 Lg7 5 Sf3 O-O 6 O-O d6 7 Sc3 c6 | 1 |
| A90 | Dutch | 1 d4 f5 2 c4 Sf6 3 g3 e6 4 Lg2 | 1 |
| B11 | Caro-Kann, Two Knights, 3...Bg4 | 1 e4 c6 2 Sc3 d5 3 Sf3 Lg4 | 1 |
| B21 | Sicilian, 2.f4 and 2.d4 | 1 e4 c5 2 f4 | 1 |
| B22 | Sicilian, Alapin | 1 e4 c5 2 c3 | 1 |
| B25 | Sicilian, Closed | 1 e4 c5 2 Sc3 Sc6 3 g3 g6 4 Lg2 Lg7 5 d3 d6 | 1 |
| B37 | Sicilian, Accelerated Fianchetto | 1 e4 c5 2 Sf3 Sc6 3 d4 cxd4 4 Sxd4 g6 5 c4 Lg7 | 1 |
| B45 | Sicilian, Taimanov | 1 e4 c5 2 Sf3 e6 3 d4 cxd4 4 Sxd4 Sc6 5 Sc3 | 1 |
| C22 | Center Game | 1 e4 e5 2 d4 exd4 3 Dxd4 Sc6 | 1 |
| C36 | King's Gambit Accepted, Abbazia Defense | 1 e4 e5 2 f4 exf4 3 Sf3 d5 | 1 |
| C41 | Philidor Defense | 1 e4 e5 2 Sf3 d6 | 1 |
| C42 | Petrov Defense | 1 e4 e5 2 Sf3 Sf6 | 1 |
| D00 | Queen's Pawn Game | 1 d4 d5 | 1 |
| D08 | Queen's Gambit Declined, Albin Counter Gambit | 1 d4 d5 2 c4 e5 | 1 |
| D34 | Queen's Gambit Declined, Tarrasch | 1 d4 d5 2 c4 e6 3 Sc3 c5 4 cxd5 exd5 5 Sf3 Sc6 6 g3 Sf6 7 Lg2 Le7 | 1 |
| D94 | Grunfeld | 1 d4 Sf6 2 c4 g6 3 Sc3 d5 4 Sf3 Lg7 5 e3 | 1 |
| E16 | Queen's Indian | 1 d4 Sf6 2 c4 e6 3 Sf3 b6 4 g3 Lb7 5 Lg2 Lb4+ | 1 |
| E70 | King's Indian | 1 d4 Sf6 2 c4 g6 3 Sc3 Lg7 4 e4 | 1 |
| E82 | King's Indian, Samisch, double Fianchetto Variation | 1 d4 Sf6 2 c4 g6 3 Sc3 Lg7 4 e4 d6 5 f3 O-O 6 Le3 b6 | 1 |
| E92 | King's Indian | 1 d4 Sf6 2 c4 g6 3 Sc3 Lg7 4 e4 d6 5 Sf3 O-O 6 Le2 e5 | 1 |
