| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. C Lujan vs E Kovalevskaya |
| 0-1 | 53 |
2004 |
FIDE Women's World Championship | B56 Sicilian |
| 27. A Borsuk vs C Lujan |
| ½-½ | 77 |
2004 |
36th Olympiad, Women | A48 King's Indian |
| 28. D Valerga vs C Lujan |
 | 1-0 | 40 |
2004 |
79th Argentine Championship | B42 Sicilian, Kan |
| 29. E Kovalevskaya vs C Lujan |
| 1-0 | 37 |
2004 |
FIDE Women's World Championship | B23 Sicilian, Closed |
| 30. Julia Ernesto vs C Lujan |
| 1-0 | 43 |
2004 |
79th Argentine Championship | A15 English |
| 31. C Lujan vs E Garzon |
| 1-0 | 45 |
2004 |
79th Argentine Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 32. A Stefanova vs C Lujan |
| 1-0 | 36 |
2004 |
36th Olympiad, Women | B43 Sicilian, Kan, 5.Nc3 |
| 33. C Lujan vs P Lafuente |
| ½-½ | 28 |
2004 |
79th Argentine Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 34. M Daneri vs C Lujan |
| 0-1 | 46 |
2004 |
79th Argentine Championship | A48 King's Indian |
| 35. S Vega-Gutierrez vs C Lujan |
| ½-½ | 36 |
2004 |
36th Olympiad | B42 Sicilian, Kan |
| 36. Fernando Pedro vs C Lujan |
| ½-½ | 40 |
2004 |
Campeonato Superior | B43 Sicilian, Kan, 5.Nc3 |
| 37. C Lujan vs L Sambuco-Salomone |
| ½-½ | 27 |
2004 |
79th Argentine Championship | C55 Two Knights Defense |
| 38. C Lujan vs E Ambrosi |
| 1-0 | 24 |
2004 |
36th Olympiad, Women | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 39. C Lujan vs V Spassov |
| 0-1 | 49 |
2005 |
III Open Bajada de la Virgen | B33 Sicilian |
| 40. A Hilario Ta Fier vs C Lujan |
| 0-1 | 62 |
2005 |
IX Itau Cup | B33 Sicilian |
| 41. O Korneev vs C Lujan |
| 1-0 | 27 |
2005 |
Sitges op | B42 Sicilian, Kan |
| 42. Votava vs C Lujan |
| 1-0 | 24 |
2005 |
III Open Bajada de la Virgen | B40 Sicilian |
| 43. C Lujan vs Ulibin |
| 0-1 | 29 |
2005 |
III Open Bajada de la Virgen | B80 Sicilian, Scheveningen |
| 44. C Lujan vs L Zepeda |
| 1-0 | 34 |
2006 |
37th Chess Olympiad: Women | B01 Scandinavian |
| 45. M Socko vs C Lujan |
| 0-1 | 54 |
2006 |
Women's Chess Cup | D87 Grunfeld, Exchange |
| 46. I Kharisma Sukandar vs C Lujan |
| 1-0 | 62 |
2006 |
37th Chess Olympiad: Women | B43 Sicilian, Kan, 5.Nc3 |
| 47. A Pourkashiyan vs C Lujan |
| 1-0 | 62 |
2006 |
37th Chess Olympiad: Women | B86 Sicilian, Fischer-Sozin Attack |
| 48. M Sebag vs C Lujan |
| 0-1 | 39 |
2006 |
Women's Chess Cup | B22 Sicilian, Alapin |
| 49. Y Dembo vs C Lujan |
 | 0-1 | 51 |
2006 |
FIDE Women's World Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 50. N Sammalvuo vs C Lujan |
| ½-½ | 44 |
2006 |
37th Chess Olympiad: Women | B92 Sicilian, Najdorf, Opocensky Variation |