| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. N Pogonina vs O Iljushina |
| 1-0 | 33 |
2007 |
RUS-ch U26 | B60 Sicilian, Richter-Rauzer |
| 2. A Stefanova vs O Iljushina |
 | ½-½ | 144 |
2009 |
Russian Team Championship: Women's League | A46 Queen's Pawn Game |
| 3. V Cmilyte vs O Iljushina |
| 1-0 | 32 |
2009 |
European Club Cup (Women) | A37 English, Symmetrical |
| 4. O Iljushina vs T Elizarova |
| 1-0 | 36 |
2009 |
10th European Individual Women's Championship | A53 Old Indian |
| 5. A Stojanovic vs O Iljushina |
| 1-0 | 60 |
2009 |
10th European Individual Women's Championship | A04 Reti Opening |
| 6. O Iljushina vs T Stepovaia-Dianchenko |
| ½-½ | 52 |
2009 |
10th European Individual Women's Championship | A04 Reti Opening |
| 7. Y Xu vs O Iljushina |
| 1-0 | 44 |
2009 |
Russian Team Championship: Women's League | B31 Sicilian, Rossolimo Variation |
| 8. O Iljushina vs L Javakhishvili |
| ½-½ | 19 |
2009 |
European Club Cup (Women) | B06 Robatsch |
| 9. O Iljushina vs I Gaponenko |
| 0-1 | 40 |
2009 |
10th European Individual Women's Championship | D90 Grunfeld |
| 10. O Iljushina vs T Molchanova |
 | 1-0 | 38 |
2009 |
Russian Team Championship: Women's League | D38 Queen's Gambit Declined, Ragozin Variation |
| 11. T Kosintseva vs O Iljushina |
| ½-½ | 38 |
2009 |
10th European Individual Women's Championship | B31 Sicilian, Rossolimo Variation |
| 12. O Iljushina vs E Kovalevskaya |
| 1-0 | 40 |
2009 |
Russian Team Championship: Women's League | E00 Queen's Pawn Game |
| 13. O Iljushina vs Kosteniuk |
| ½-½ | 40 |
2009 |
European Club Cup (Women) | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 14. O Gritsayeva vs O Iljushina |
| 0-1 | 66 |
2009 |
10th European Individual Women's Championship | A33 English, Symmetrical |
| 15. N Zdebskaja vs O Iljushina |
| ½-½ | 20 |
2009 |
Russian Team Championship: Women's League | B30 Sicilian |
| 16. D Harika vs O Iljushina |
| ½-½ | 15 |
2009 |
European Club Cup (Women) | E20 Nimzo-Indian |
| 17. O Iljushina vs S Melia |
| ½-½ | 25 |
2009 |
10th European Individual Women's Championship | D31 Queen's Gambit Declined |
| 18. Zhao Xue vs O Iljushina |
| 1-0 | 61 |
2009 |
Russian Team Championship: Women's League | E11 Bogo-Indian Defense |
| 19. A Stefanova vs O Iljushina |
| ½-½ | 27 |
2009 |
European Club Cup (Women) | E11 Bogo-Indian Defense |
| 20. O Iljushina vs S Cherednichenko |
| ½-½ | 72 |
2009 |
10th European Individual Women's Championship | E60 King's Indian Defense |
| 21. O Iljushina vs V Cmilyte |
| ½-½ | 50 |
2009 |
Russian Team Championship: Women's League | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 22. O Iljushina vs F Steil Antoni |
| ½-½ | 131 |
2009 |
European Club Cup (Women) | A41 Queen's Pawn Game (with ...d6) |
| 23. A Motoc vs O Iljushina |
| 0-1 | 50 |
2009 |
10th European Individual Women's Championship | E32 Nimzo-Indian, Classical |
| 24. O Iljushina vs G Lomakina |
| 1-0 | 43 |
2009 |
10th European Individual Women's Championship | A46 Queen's Pawn Game |
| 25. J Zawadzka vs O Iljushina |
| ½-½ | 41 |
2009 |
European Club Cup (Women) | B60 Sicilian, Richter-Rauzer |