| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Efroimski vs S Khukhashvili |
| 0-1 | 61 |
2008 |
European Individual Championship (Women) | B43 Sicilian, Kan, 5.Nc3 |
| 2. M Efroimski vs K Wisniowska |
| 1-0 | 33 |
2008 |
EU-ch U14 Girls 18th | B46 Sicilian, Taimanov Variation |
| 3. M Efroimski vs B Yildiz |
| 0-1 | 32 |
2008 |
European Individual Championship (Women) | C78 Ruy Lopez |
| 4. M Efroimski vs N Malokas |
| 1-0 | 30 |
2008 |
2008 Women's Olympiad | B33 Sicilian |
| 5. M Klinova vs M Efroimski |
 | 0-1 | 40 |
2008 |
European Individual Championship (Women) | C00 French Defense |
| 6. B Bejatovic vs M Efroimski |
| 0-1 | 71 |
2008 |
EU-ch U14 Girls 18th | D02 Queen's Pawn Game |
| 7. M Efroimski vs A Shyngys Kyzy |
| 1-0 | 42 |
2008 |
2008 Women's Olympiad | C42 Petrov Defense |
| 8. M Bensdorp vs M Efroimski |
| 1-0 | 35 |
2008 |
European Individual Championship (Women) | D30 Queen's Gambit Declined |
| 9. M Efroimski vs S Khukhashvili |
| 0-1 | 46 |
2008 |
2008 Women's Olympiad | B07 Pirc |
| 10. M Efroimski vs Z Mamedjarova |
| ½-½ | 38 |
2008 |
European Individual Championship (Women) | A00 Uncommon Opening |
| 11. M Calzetta vs M Efroimski |
| 1-0 | 25 |
2008 |
European Individual Championship (Women) | B23 Sicilian, Closed |
| 12. M Efroimski vs A Endress |
| 1-0 | 66 |
2008 |
2008 Women's Olympiad | B81 Sicilian, Scheveningen, Keres Attack |
| 13. M Efroimski vs A Mijovic |
| ½-½ | 46 |
2008 |
European Individual Championship (Women) | B81 Sicilian, Scheveningen, Keres Attack |
| 14. M Coimbra vs M Efroimski |
| 0-1 | 52 |
2008 |
2008 Women's Olympiad | C05 French, Tarrasch |
| 15. M Efroimski vs A Stiri |
| 1-0 | 74 |
2008 |
European Individual Championship (Women) | B45 Sicilian, Taimanov |
| 16. M Efroimski vs C Monhchuluun |
| 0-1 | 56 |
2008 |
2008 Women's Olympiad | C07 French, Tarrasch |
| 17. I Kadimova vs M Efroimski |
| 1-0 | 30 |
2008 |
European Individual Championship (Women) | D49 Queen's Gambit Declined Semi-Slav, Meran |
| 18. J Kluchik vs M Efroimski |
| 0-1 | 37 |
2008 |
EU-ch U14 Girls 18th | C11 French |
| 19. S Maksimovic vs M Efroimski |
| 1-0 | 36 |
2008 |
European Individual Championship (Women) | A07 King's Indian Attack |
| 20. D Dang vs M Efroimski |
| 1-0 | 64 |
2008 |
2008 Women's Olympiad | E69 King's Indian, Fianchetto, Classical Main line |