Russian Federation
Male
FIDE ID:
Leonid Efimov
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| World Youth Open U16 2025 | 10/04/2025 | 2250 |  Albania |
| Fujairah Global Masters | 08/25/2025 | 2351 |  United Arab Emirates |
| RUDAR 23 GM 2025 | 08/08/2025 | 2407 |  Serbia |
| RUDAR 22 GM 2025 | 07/31/2025 | 2398 | Serbia |
Leonid Efimov Opening Repertoire with White pieces
| ECO | Opening | Games |
| E00 | Queen's pawn game | 3 games |
| A50 | Queen's pawn game | 2 games |
| A62 | Benoni, fianchetto variation | 2 games |
| D30 | Queen's gambit declined | 2 games |
Leonid Efimov Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 4 games |
| D30 | Queen's gambit declined | 3 games |
| E04 | Catalan, open, 5.Nf3 | 2 games |
| B30 | Sicilian defence | 2 games |
