| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. W Kobese vs O Korneev |
| 0-1 | 41 |
1991 |
Krumbach open | C80 Ruy Lopez, Open |
| 2. Glek vs O Korneev |
| ½-½ | 65 |
1991 |
Krumbach op | C80 Ruy Lopez, Open |
| 3. E Maljutin vs O Korneev |
| 1-0 | 29 |
1992 |
Wisla BES op | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 4. Balashov vs O Korneev |
| ½-½ | 25 |
1992 |
Katowice op | C80 Ruy Lopez, Open |
| 5. Hjartarson vs O Korneev |
| 1-0 | 63 |
1995 |
Linares op | C80 Ruy Lopez, Open |
| 6. G Timoshenko vs O Korneev |
 | 1-0 | 18 |
1997 |
World Cities | C80 Ruy Lopez, Open |
| 7. V Yemelin vs O Korneev |
| ½-½ | 50 |
1998 |
RUS-ch | C83 Ruy Lopez, Open |
| 8. J Guerreiro Ferreira vs O Korneev |
| 0-1 | 20 |
2000 |
Lisbon Chess Festival | C83 Ruy Lopez, Open |
| 9. K Spraggett vs O Korneev |
| ½-½ | 60 |
2001 |
GMB | C65 Ruy Lopez, Berlin Defense |
| 10. M Leskovar vs O Korneev |
| ½-½ | 64 |
2001 |
IV Open | C77 Ruy Lopez |
| 11. E Rodriguez Guerrero vs O Korneev |
| ½-½ | 70 |
2001 |
IV Open | C80 Ruy Lopez, Open |
| 12. S Nikolic vs O Korneev |
 | 0-1 | 19 |
2002 |
7th HIT Open | C82 Ruy Lopez, Open |
| 13. A Ledger vs O Korneev |
| 1-0 | 76 |
2003 |
Gibraltar Masters | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 14. V Meijers vs O Korneev |
 | 1-0 | 45 |
2003 |
EU-ch 4th | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 15. M Vachier-Lagrave vs O Korneev |
| ½-½ | 36 |
2004 |
Rapid Open | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 16. Ehlvest vs O Korneev |
| ½-½ | 50 |
2004 |
Reykjavik Open | C80 Ruy Lopez, Open |
| 17. Tiviakov vs O Korneev |
 | 1-0 | 29 |
2005 |
FIDE World Cup | C64 Ruy Lopez, Classical |
| 18. A Strikovic vs O Korneev |
| ½-½ | 10 |
2005 |
La Roda Open | C77 Ruy Lopez |
| 19. Movsziszian vs O Korneev |
| ½-½ | 41 |
2005 |
La Roda Open | C77 Ruy Lopez |
| 20. J Cuartas Medina vs O Korneev |
| ½-½ | 24 |
2005 |
Magistral Huila 100 aņos - Neiva | C80 Ruy Lopez, Open |
| 21. Delchev vs O Korneev |
| ½-½ | 62 |
2006 |
14th Bora Kostic Memorial | C67 Ruy Lopez |
| 22. L Dominguez vs O Korneev |
| ½-½ | 44 |
2006 |
Magistral Ciutat de Barcelona-Casino | C74 Ruy Lopez, Modern Steinitz Defense |
| 23. K Miton vs O Korneev |
| ½-½ | 13 |
2006 |
Montreal Empresa International | C65 Ruy Lopez, Berlin Defense |
| 24. F Dinger vs O Korneev |
| 0-1 | 44 |
2007 |
European Individual Championships | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 25. Rozentalis vs O Korneev |
| ½-½ | 19 |
2009 |
TOP 16 GpB | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |