| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. A Abreu Delgado vs O Zambrana |
| 0-1 | 32 | 2004 | Capablanca Memorial PREMIER II | E12 Queen's Indian |
| 77. O Zambrana vs H Kallio |
| 1-0 | 31 | 2004 | Capablanca Memorial PREMIER II | B12 Caro-Kann Defense |
| 78. D Flores vs O Zambrana |
| 1-0 | 27 | 2004 | Guillermo Garcia mem-A 12th | B25 Sicilian, Closed |
| 79. O Zambrana vs M Leon Hoyos |
| ½-½ | 42 | 2004 | Moncada Cup 2nd | B32 Sicilian |
| 80. D Lima vs O Zambrana |
 | ½-½ | 53 | 2004 | Franca Garcia mem 20th | D27 Queen's Gambit Accepted, Classical |
| 81. E Matsuura vs O Zambrana |
| ½-½ | 17 | 2004 | Franca Garcia mem 20th | B30 Sicilian |
| 82. O Zambrana vs J F Cubas |
| 0-1 | 52 | 2004 | Vicente Lopez Magistral 7th | C05 French, Tarrasch |
| 83. P Zarnicki vs O Zambrana |
| ½-½ | 30 | 2004 | Mario Covas 4th | B25 Sicilian, Closed |
| 84. O Zambrana vs E Matsuura |
| ½-½ | 12 | 2004 | Mario Covas 4th | C53 Giuoco Piano |
| 85. Ponomariov vs O Zambrana |
| 1-0 | 29 | 2004 | Pedro Zabala mem | E38 Nimzo-Indian, Classical, 4...c5 |
| 86. O Zambrana vs V Nevednichy |
| 0-1 | 29 | 2004 | Calvia Olympiad | B57 Sicilian |
| 87. O Zambrana vs S Mikheev |
| ½-½ | 45 | 2004 | Calvia Olympiad | C42 Petrov Defense |
| 88. J Medina Colindres vs O Zambrana |
 | 0-1 | 30 | 2004 | Calvia Olympiad | D00 Queen's Pawn Game |
| 89. O Zambrana vs I Morovic Fernandez |
| ½-½ | 33 | 2004 | Calvia Olympiad | C42 Petrov Defense |
| 90. K Denny vs O Zambrana |
| 0-1 | 47 | 2004 | Calvia Olympiad | B31 Sicilian, Rossolimo Variation |
| 91. S Wu vs O Zambrana |
| 1-0 | 29 | 2004 | Calvia Olympiad | D37 Queen's Gambit Declined |
| 92. O Zambrana vs A A Najjar |
| 1-0 | 43 | 2004 | Calvia Olympiad | C50 Giuoco Piano |
| 93. N Mitkov vs O Zambrana |
| 1-0 | 41 | 2004 | Calvia Olympiad | B25 Sicilian, Closed |
| 94. O Zambrana vs A Rodriguez Vila |
| ½-½ | 39 | 2004 | Calvia Olympiad | C04 French, Tarrasch, Guimard Main line |
| 95. O Zambrana vs C Juarez Flores |
| 0-1 | 76 | 2004 | Calvia Olympiad | C04 French, Tarrasch, Guimard Main line |
| 96. S Khamdamov vs O Zambrana |
| 1-0 | 25 | 2004 | Calvia Olympiad | D24 Queen's Gambit Accepted |
| 97. B L Shrestha vs O Zambrana |
| 0-1 | 50 | 2004 | Calvia Olympiad | A07 King's Indian Attack |
| 98. D Canda vs O Zambrana |
| 0-1 | 23 | 2004 | Calvia Olympiad | B33 Sicilian |
| 99. O Zambrana vs R Cifuentes |
| ½-½ | 26 | 2004 | I Torneo Iberoamericano (Grupo-A) | B56 Sicilian |
| 100. D H Campora vs O Zambrana |
| 0-1 | 34 | 2004 | I Torneo Iberoamericano (Grupo-A) | B33 Sicilian |
Kibitzing
