26. april 2024
| Eco | Name | First moves | # games |
|---|---|---|---|
| A17 | English | 1 c4 Sf6 2 Sc3 e6 | 1 |
| A18 | English, Mikenas-Carls | 1 c4 Sf6 2 Sc3 e6 3 e4 | 1 |
| A20 | English | 1 c4 e5 | 1 |
| A25 | English | 1 c4 e5 2 Sc3 Sc6 | 1 |
| A40 | Queen's Pawn Game | 1 d4 | 1 |
| A60 | Benoni Defense | 1 d4 Sf6 2 c4 c5 3 d5 e6 | 1 |
| B12 | Caro-Kann Defense | 1 e4 c6 2 d4 | 1 |
| B30 | Sicilian | 1 e4 c5 2 Sf3 Sc6 | 1 |
| B34 | Sicilian, Accelerated Fianchetto | 1 e4 c5 2 Sf3 Sc6 3 d4 cxd4 4 Sxd4 g6 5 Sxc6 | 1 |
| B80 | Sicilian, Scheveningen | 1 e4 c5 2 Sf3 d6 3 d4 cxd4 4 Sxd4 Sf6 5 Sc3 e6 | 1 |
| D35 | Queen's Gambit Declined | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 | 1 |
| D43 | Queen's Gambit Declined Semi-Slav | 1 d4 d5 2 c4 e6 3 Sc3 Sf6 4 Sf3 c6 | 1 |
| E11 | Bogo-Indian Defense | 1 d4 Sf6 2 c4 e6 3 Sf3 Lb4+ | 1 |
| E12 | Queen's Indian | 1 d4 Sf6 2 c4 e6 3 Sf3 b6 | 1 |