| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Mastrovasilis vs O Zambrana |
| ½-½ | 34 |
2001 |
WJun | B33 Sicilian |
| 2. Ni Hua vs O Zambrana |
| 1-0 | 45 |
2001 |
WJun | B31 Sicilian, Rossolimo Variation |
| 3. Acs vs O Zambrana |
 | 0-1 | 52 |
2001 |
WJun | B33 Sicilian |
| 4. E Matsuura vs O Zambrana |
| 1-0 | 37 |
2003 |
7th Itau Cup | B33 Sicilian |
| 5. G Cerda Albornoz vs O Zambrana |
| 0-1 | 41 |
2003 |
Torneo Continental Americano | B33 Sicilian |
| 6. A Rodriguez vs O Zambrana |
 | 1-0 | 44 |
2003 |
Torneo Continental Americano | B33 Sicilian |
| 7. A Aranha Filho vs O Zambrana |
| 0-1 | 57 |
2003 |
7th Itau Cup | B33 Sicilian |
| 8. G Garcia vs O Zambrana |
| ½-½ | 42 |
2003 |
Torneo Continental Americano | B31 Sicilian, Rossolimo Variation |
| 9. A Rodriguez vs O Zambrana |
| 1-0 | 46 |
2004 |
Copa ENTEL | B25 Sicilian, Closed |
| 10. N Mitkov vs O Zambrana |
| 1-0 | 41 |
2004 |
36th Olympiad | B23 Sicilian, Closed |
| 11. J Cubas vs O Zambrana |
| ½-½ | 20 |
2004 |
Copa ENTEL | B21 Sicilian, 2.f4 and 2.d4 |
| 12. G Hernandez vs O Zambrana |
| 0-1 | 37 |
2004 |
I Torneo Iberoamericano (Grupo-A) | B23 Sicilian, Closed |
| 13. K Denny vs O Zambrana |
| 0-1 | 47 |
2004 |
36th Olympiad | B31 Sicilian, Rossolimo Variation |
| 14. M Llorens vs O Zambrana |
| 0-1 | 42 |
2004 |
Copa ENTEL | B31 Sicilian, Rossolimo Variation |
| 15. I Teran-Alvarez vs O Zambrana |
| ½-½ | 60 |
2004 |
Ayamonte, ESP | B23 Sicilian, Closed |
| 16. J Rohl vs O Zambrana |
| 1-0 | 40 |
2004 |
Capablanca Memorial PREMIER II | B22 Sicilian, Alapin |
| 17. Campora vs O Zambrana |
| 0-1 | 34 |
2004 |
I Torneo Iberoamericano (Grupo-A) | B33 Sicilian |
| 18. M Borriss vs O Zambrana |
| ½-½ | 52 |
2004 |
Capablanca Memorial PREMIER II | B33 Sicilian |
| 19. B Lal Shrestha vs O Zambrana |
| 0-1 | 50 |
2004 |
36th Olympiad | B24 Sicilian, Closed |
| 20. Kudrin vs O Zambrana |
| ½-½ | 35 |
2005 |
American Continental Championship | B33 Sicilian |
| 21. R Felgaer vs O Zambrana |
| ½-½ | 18 |
2005 |
II Copa ENTEL | B23 Sicilian, Closed |
| 22. A Rodriguez vs O Zambrana |
| 1-0 | 49 |
2005 |
II Copa ENTEL | B33 Sicilian |
| 23. P Ricardi vs O Zambrana |
| ½-½ | 33 |
2005 |
American Continental Championship | B31 Sicilian, Rossolimo Variation |
| 24. R Castellanos vs O Zambrana |
| 1-0 | 46 |
2006 |
37th Chess Olympiad | B31 Sicilian, Rossolimo Variation |
| 25. W Theerapabpaisit vs O Zambrana |
| 0-1 | 30 |
2006 |
37th Chess Olympiad | B90 Sicilian, Najdorf |