| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Efimenko vs N Vink |
| ½-½ | 60 |
2001 |
Stork YM | B92 Sicilian, Najdorf, Opocensky Variation |
| 2. Efimenko vs Sedlak |
| 1-0 | 78 |
2001 |
TCh-Europe Boys U18 | B92 Sicilian, Najdorf, Opocensky Variation |
| 3. Efimenko vs Acs |
| 0-1 | 45 |
2001 |
2nd IECC | B92 Sicilian, Najdorf, Opocensky Variation |
| 4. Efimenko vs G Van der Stricht |
| 1-0 | 32 |
2002 |
European Club Cup | B92 Sicilian, Najdorf, Opocensky Variation |
| 5. Efimenko vs Shirov |
| ½-½ | 35 |
2002 |
European Club Cup | B92 Sicilian, Najdorf, Opocensky Variation |
| 6. Efimenko vs Sutovsky |
| ½-½ | 36 |
2003 |
Aeroflot Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. Efimenko vs E Paehtz |
| ½-½ | 29 |
2003 |
European Clubs Cup (Men) | B92 Sicilian, Najdorf, Opocensky Variation |
| 8. Efimenko vs Sadvakasov |
| ½-½ | 39 |
2004 |
3rd Aeroflot Festival | B92 Sicilian, Najdorf, Opocensky Variation |
| 9. Efimenko vs Sakaev |
 | ½-½ | 32 |
2005 |
Aeroflot Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 10. Efimenko vs D Baramidze |
| 1-0 | 29 |
2005 |
6th European Individual Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 11. Efimenko vs F Berkes |
| ½-½ | 31 |
2006 |
4th Marx Gyorgy Memorial | B92 Sicilian, Najdorf, Opocensky Variation |
| 12. Efimenko vs Gelfand |
| ½-½ | 23 |
2006 |
European Club Cup | B92 Sicilian, Najdorf, Opocensky Variation |
| 13. Efimenko vs Bu Xiangzhi |
| 1-0 | 47 |
2008 |
Gibraltar | B92 Sicilian, Najdorf, Opocensky Variation |
| 14. Efimenko vs V Gashimov |
| 0-1 | 47 |
2008 |
Russian Team Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 15. Efimenko vs E Najer |
| 0-1 | 37 |
2008 |
BL 0708 Werder Bremen - SV Wattenscheid | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. Efimenko vs E Alekseev |
| ½-½ | 44 |
2008 |
Russian Team Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 17. Efimenko vs Svidler |
| ½-½ | 20 |
2008 |
Russian Team Championship | B92 Sicilian, Najdorf, Opocensky Variation |
