| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Kosteniuk vs J Kochetkova |
| 1-0 | 37 |
1998 |
Ch Russia (w) (1 liga) | B20 Sicilian |
| 2. Kosteniuk vs M Lomineishvili |
 | 1-0 | 26 |
1999 |
It (w) | B40 Sicilian |
| 3. Kosteniuk vs Romanishin |
| 0-1 | 71 |
1999 |
Bled open | B40 Sicilian |
| 4. Kosteniuk vs Sutovsky |
| ½-½ | 29 |
2000 |
Monarch Assurance 9th | B57 Sicilian |
| 5. Kosteniuk vs E Shaposhnikov |
| 1-0 | 40 |
2000 |
Chigorin Memorial | B85 Sicilian, Scheveningen, Classical |
| 6. Kosteniuk vs Khurtsidze |
| 0-1 | 46 |
2000 |
WCC | B41 Sicilian, Kan |
| 7. Kosteniuk vs V Georgiev |
| 0-1 | 30 |
2000 |
Corus | B31 Sicilian, Rossolimo Variation |
| 8. Kosteniuk vs A Lukashok |
| 0-1 | 66 |
2001 |
Chigorin mem open | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 9. Kosteniuk vs T Kosintseva |
 | 1-0 | 36 |
2001 |
2nd ch-EUR Women | B32 Sicilian |
| 10. Kosteniuk vs Bu Xiangzhi |
| 0-1 | 57 |
2001 |
young masters | B62 Sicilian, Richter-Rauzer |
| 11. Kosteniuk vs Y Xu |
 | 1-0 | 45 |
2001 |
FIDE WCh Women KO | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 12. Kosteniuk vs Zhu Chen |
| 0-1 | 36 |
2001 |
FIDE WCh Women KO | B97 Sicilian, Najdorf |
| 13. Kosteniuk vs Ni Hua |
| ½-½ | 57 |
2001 |
CHN-RUS Summit Juniors | B33 Sicilian |
| 14. Kosteniuk vs E Berend |
| 1-0 | 54 |
2001 |
2nd ch-EUR Women | B44 Sicilian |
| 15. Kosteniuk vs A Skripchenko-Lautier |
| ½-½ | 45 |
2001 |
FIDE WCh Women KO | B33 Sicilian |
| 16. Kosteniuk vs Bu Xiangzhi |
| ½-½ | 34 |
2001 |
CHN-RUS Summit Juniors | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 17. Kosteniuk vs L Bergez |
 | 1-0 | 35 |
2001 |
17th Open | B76 Sicilian, Dragon, Yugoslav Attack |
| 18. Kosteniuk vs A Galliamova-Ivanchuk |
 | 1-0 | 87 |
2001 |
FIDE WCh Women KO | B65 Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4 |
| 19. Kosteniuk vs C Peptan |
| ½-½ | 15 |
2001 |
2nd ch-EUR Women | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 20. Kosteniuk vs Bu Xiangzhi |
| ½-½ | 58 |
2001 |
young masters | B62 Sicilian, Richter-Rauzer |
| 21. Kosteniuk vs C Landenbergue |
| 0-1 | 29 |
2001 |
17th Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 22. Kosteniuk vs Zhu Chen |
 | 0-1 | 36 |
2001 |
FIDE WCh Women KO | B90 Sicilian, Najdorf |
| 23. Kosteniuk vs J Shahade |
 | 1-0 | 40 |
2001 |
FIDE WCh Women KO | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 24. Kosteniuk vs Khurtsidze |
| ½-½ | 54 |
2001 |
2nd ch-EUR Women | B41 Sicilian, Kan |
| 25. Kosteniuk vs Bu Xiangzhi |
 | 1-0 | 75 |
2001 |
young masters | B62 Sicilian, Richter-Rauzer |