| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. R Shcherbakov vs Kosteniuk |
| 1-0 | 29 |
2000 |
Monarch Assurance | A85 Dutch, with c4 & Nc3 |
| 27. Y Afek vs Kosteniuk |
 | 1-0 | 48 |
2000 |
Corus | B89 Sicilian |
| 28. S Nadyrhanov vs Kosteniuk |
| ½-½ | 21 |
2000 |
Chigorin Memorial | B31 Sicilian, Rossolimo Variation |
| 29. Kosteniuk vs Stellwagen |
 | 1-0 | 31 |
2000 |
Corus | C00 French Defense |
| 30. Kosteniuk vs Kiriakov |
| 0-1 | 45 |
2000 |
Monarch Assurance | C03 French, Tarrasch |
| 31. Kosteniuk vs C P Gouw |
 | 1-0 | 18 |
2000 |
Corus | C00 French Defense |
| 32. Kosteniuk vs Chiburdanidze |
 | ½-½ | 72 |
2000 |
WCC | B12 Caro-Kann Defense |
| 33. V Yandemirov vs Kosteniuk |
| 1-0 | 66 |
2000 |
Chigorin Memorial | A07 King's Indian Attack |
| 34. D Stojanovski vs Kosteniuk |
| ½-½ | 25 |
2000 |
Corus | B60 Sicilian, Richter-Rauzer |
| 35. Kosteniuk vs V Burmakin |
| ½-½ | 28 |
2000 |
Chigorin Memorial | B09 Pirc, Austrian Attack |
| 36. M Bosboom vs Kosteniuk |
 | 1-0 | 28 |
2000 |
Corus | A10 English |
| 37. P Cramling vs Kosteniuk |
 | 1-0 | 106 |
2000 |
WCC | A81 Dutch |
| 38. Kosteniuk vs A Romero Holmes |
| 0-1 | 65 |
2000 |
Corus | C00 French Defense |
| 39. A Sokolov vs Kosteniuk |
| ½-½ | 40 |
2001 |
Master Open | B58 Sicilian |
| 40. Kosteniuk vs M Sebag |
| 0-1 | 51 |
2001 |
Girl Stars FIDE Trophy | C78 Ruy Lopez |
| 41. Kosteniuk vs Zhu Chen |
 | 0-1 | 36 |
2001 |
FIDE WCh Women KO | B90 Sicilian, Najdorf |
| 42. A Dushenok vs Kosteniuk |
| 0-1 | 27 |
2001 |
Chigorin mem open | D31 Queen's Gambit Declined |
| 43. Kosteniuk vs C Landenbergue |
| 0-1 | 29 |
2001 |
17th Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 44. Kosteniuk vs J Shahade |
 | 1-0 | 40 |
2001 |
FIDE WCh Women KO | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 45. Kosteniuk vs T Kosintseva |
 | 1-0 | 36 |
2001 |
2nd ch-EUR Women | B32 Sicilian |
| 46. Kosteniuk vs Bu Xiangzhi |
 | 1-0 | 75 |
2001 |
young masters | B62 Sicilian, Richter-Rauzer |
| 47. Y Xu vs Kosteniuk |
| 0-1 | 62 |
2001 |
FIDE WCh Women KO | B31 Sicilian, Rossolimo Variation |
| 48. Kosteniuk vs Zhu Chen |
| 0-1 | 36 |
2001 |
FIDE WCh Women KO | B97 Sicilian, Najdorf |
| 49. Ni Hua vs Kosteniuk |
| 0-1 | 40 |
2001 |
CHN-RUS Summit Juniors | B62 Sicilian, Richter-Rauzer |
| 50. Kosteniuk vs M Sebag |
| 1-0 | 45 |
2001 |
Girl Stars FIDE Trophy | C78 Ruy Lopez |