| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. M Fierro-Baquero vs A P Santos |
| 1-0 | 42 |
1998 |
Faro op | C00 French Defense |
| 27. M Fierro-Baquero vs M Kazhgaleyev |
| 0-1 | 52 |
1999 |
Anibal Open | C65 Ruy Lopez, Berlin Defense |
| 28. Claudio Sagredo vs M Fierro-Baquero |
| 0-1 | 38 |
2001 |
open | A10 English |
| 29. M Fierro-Baquero vs C Gallegos |
| 0-1 | 48 |
2001 |
open | B31 Sicilian, Rossolimo Variation |
| 30. Timman vs M Fierro-Baquero |
| 1-0 | 25 |
2001 |
open | B01 Scandinavian |
| 31. M Fierro-Baquero vs M Glienke |
| 1-0 | 67 |
2001 |
open | B14 Caro-Kann, Panov-Botvinnik Attack |
| 32. M Fierro-Baquero vs K Kachiani |
| 0-1 | 70 |
2002 |
Olympiad, women | B14 Caro-Kann, Panov-Botvinnik Attack |
| 33. S Kriventsov vs M Fierro-Baquero |
| 1-0 | 36 |
2003 |
New York Masters | B01 Scandinavian |
| 34. A Muzychuk vs M Fierro-Baquero |
| 1-0 | 55 |
2004 |
36th Olympiad, Women | B01 Scandinavian |
| 35. M Fierro-Baquero vs E Sedina |
| ½-½ | 13 |
2004 |
36th Olympiad, Women | C09 French, Tarrasch, Open Variation, Main line |
| 36. M Fierro-Baquero vs P Cramling |
| 0-1 | 38 |
2004 |
36th Olympiad, Women | B42 Sicilian, Kan |
| 37. Chiburdanidze vs M Fierro-Baquero |
| 1-0 | 42 |
2004 |
36th Olympiad, Women | E60 King's Indian Defense |
| 38. M Fierro-Baquero vs J Jackova |
| 1-0 | 31 |
2004 |
36th Olympiad, Women | C77 Ruy Lopez |
| 39. C Guerrero vs M Fierro-Baquero |
| 0-1 | 39 |
2005 |
Guayaquil zt 2.3 | A10 English |
| 40. M Fierro-Baquero vs Krasenkow |
| ½-½ | 31 |
2005 |
XVIII Carlos Torre Memorial KO | B40 Sicilian |
| 41. R Saladen vs M Fierro-Baquero |
| 0-1 | 32 |
2005 |
American Continental 3rd | B06 Robatsch |
| 42. P Evans vs M Fierro-Baquero |
| 0-1 | 37 |
2005 |
American Continental | B01 Scandinavian |
| 43. Krasenkow vs M Fierro-Baquero |
| 1-0 | 58 |
2005 |
XVIII Carlos Torre Memorial KO | A04 Reti Opening |
| 44. D Collier vs M Fierro-Baquero |
| 0-1 | 55 |
2005 |
BCF-chT3 0506 (4NCL) | E85 King's Indian, Samisch, Orthodox Variation |
| 45. J Perez-Cascella vs M Fierro-Baquero |
| 1-0 | 28 |
2005 |
American Continental | A10 English |
| 46. S Negri vs M Fierro-Baquero |
| ½-½ | 24 |
2005 |
American Continental 3rd | B06 Robatsch |
| 47. O Korneev vs M Fierro-Baquero |
 | 1-0 | 16 |
2005 |
Magistral Huila 100 aņos - Neiva | B01 Scandinavian |
| 48. O Castro vs M Fierro-Baquero |
| 1-0 | 39 |
2005 |
Guayaquil zt 2.3 | A01 Nimzovich-Larsen Attack |
| 49. F Hernandez-Basante vs M Fierro-Baquero |
| ½-½ | 32 |
2005 |
Guayaquil zt 2.3 | B06 Robatsch |
| 50. M Fierro-Baquero vs D Mieles Palau |
| ½-½ | 12 |
2005 |
zt 2.3 | C50 Giuoco Piano |