| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. C Lujan vs B Kadziolka |
| ½-½ | 25 |
2001 |
WYG16 | B92 Sicilian, Najdorf, Opocensky Variation |
| 2. C Lujan vs B Muhren |
| ½-½ | 31 |
2001 |
WYG16 | B83 Sicilian |
| 3. C Lujan vs S Paridar |
| ½-½ | 38 |
2001 |
WYG16 | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 4. C Lujan vs C Peptan |
| 0-1 | 66 |
2002 |
Olympiad, women | B92 Sicilian, Najdorf, Opocensky Variation |
| 5. C Lujan vs T Vasilevich |
| 1-0 | 77 |
2002 |
Olympiad, women | B43 Sicilian, Kan, 5.Nc3 |
| 6. C Lujan vs I Morovic |
| 0-1 | 54 |
2003 |
Torneo Continental Americano | B84 Sicilian, Scheveningen |
| 7. C Lujan vs A Ramirez |
| 1-0 | 63 |
2003 |
Torneo Continental Americano | B33 Sicilian |
| 8. C Lujan vs B Roselli Mailhe |
| ½-½ | 91 |
2003 |
Torneo Continental Americano | B76 Sicilian, Dragon, Yugoslav Attack |
| 9. C Lujan vs E Ambrosi |
| 1-0 | 24 |
2004 |
36th Olympiad, Women | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 10. C Lujan vs P Lafuente |
| ½-½ | 28 |
2004 |
79th Argentine Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 11. C Lujan vs D Lemos |
| ½-½ | 59 |
2004 |
79th Argentine Championship | B23 Sicilian, Closed |
| 12. C Lujan vs E Kovalevskaya |
| 0-1 | 53 |
2004 |
FIDE Women's World Championship | B56 Sicilian |
| 13. C Lujan vs V Spassov |
| 0-1 | 49 |
2005 |
III Open Bajada de la Virgen | B33 Sicilian |
| 14. C Lujan vs Ulibin |
| 0-1 | 29 |
2005 |
III Open Bajada de la Virgen | B80 Sicilian, Scheveningen |
| 15. C Lujan vs A Galliamova-Ivanchuk |
| 0-1 | 46 |
2006 |
FIDE Women's World Championship | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 16. C Lujan vs M Sebag |
| 0-1 | 48 |
2006 |
Women's Chess Cup | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 17. C Lujan vs A Galliamova-Ivanchuk |
| 1-0 | 64 |
2006 |
FIDE Women's World Championship | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 18. C Lujan vs Zsuzsa Polgar |
| ½-½ | 39 |
2006 |
Women's Chess Cup | B34 Sicilian, Accelerated Fianchetto |
| 19. C Lujan vs Y Dembo |
 | ½-½ | 54 |
2006 |
FIDE Women's World Championship | B60 Sicilian, Richter-Rauzer |
| 20. C Lujan vs G Heinatz |
| 1-0 | 39 |
2006 |
37th Chess Olympiad: Women | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 21. C Lujan vs J Zawadzka |
| ½-½ | 53 |
2006 |
37th Chess Olympiad: Women | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 22. C Lujan vs A Sharevich |
| 0-1 | 45 |
2008 |
2008 Women's Olympiad | B43 Sicilian, Kan, 5.Nc3 |
| 23. C Lujan vs E Matsuura |
| ½-½ | 29 |
2008 |
Euwe Simultan | B32 Sicilian |
| 24. C Lujan vs W Madeira |
| ½-½ | 44 |
2008 |
Villa Martelli | B33 Sicilian |
| 25. C Lujan vs G Gallego |
| 1-0 | 48 |
2008 |
Villa Martelli | B33 Sicilian |