Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. O Benitez vs H Silva Nazzari |
| ½-½ | 43 | 1961 | URU-ch sf2 | B88 Sicilian, Fischer-Sozin Attack |
2. O Benitez vs J L Alvarez del Monte |
| 0-1 | 24 | 1961 | URU-ch | C44 King's Pawn Game |
3. O Benitez vs E Kaszdan |
| 1-0 | 24 | 1961 | URU-ch sf2 | B88 Sicilian, Fischer-Sozin Attack |
4. O Benitez vs J Carvajal |
| 1-0 | 54 | 1971 | 1st Pan American Team Championship | B95 Sicilian, Najdorf, 6...e6 |
5. F Idrovo vs O Benitez |
| 0-1 | 83 | 1971 | 1st Pan American Team Championship | B21 Sicilian, 2.f4 and 2.d4 |
6. O Benitez vs Panno |
| 0-1 | 23 | 1971 | 1st Pan American Team Championship | B95 Sicilian, Najdorf, 6...e6 |
7. J C Ingolotti vs O Benitez |
| 1-0 | 34 | 1971 | 1st Pan American Team Championship | B32 Sicilian |
8. S Garcia Martinez vs O Benitez |
| 1-0 | 51 | 1971 | 1st Pan American Team Championship | C91 Ruy Lopez, Closed |
9. O Benitez vs V Chemin |
| ½-½ | 21 | 1971 | 1st Pan American Team Championship | B22 Sicilian, Alapin |
10. O Benitez vs Quinteros |
| 0-1 | 43 | 1975 | Fortaleza Zonal | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
11. O Benitez vs R Sanguineti |
| ½-½ | 22 | 1975 | Fortaleza Zonal | B44 Sicilian |
12. O Benitez vs C Gouveia |
| 0-1 | 38 | 1975 | Fortaleza Zonal | B45 Sicilian, Taimanov |
13. O Benitez vs C Gamarra Caceres |
| 1-0 | 45 | 1975 | Fortaleza Zonal | A07 King's Indian Attack |
14. O Benitez vs L Bronstein |
| 0-1 | 23 | 1975 | Fortaleza Zonal | C69 Ruy Lopez, Exchange, Gligoric Variation |
15. F Trois vs O Benitez |
| 1-0 | 41 | 1975 | Fortaleza Zonal | B32 Sicilian |
16. O Benitez vs P Garcia Toledo |
| 1-0 | 25 | 1975 | Fortaleza Zonal | B99 Sicilian, Najdorf, 7...Be7 Main line |
17. M S Grunberg vs O Benitez |
| ½-½ | 24 | 1975 | Fortaleza Zonal | A15 English |
18. A S Segal vs O Benitez |
| ½-½ | 30 | 1975 | Fortaleza Zonal | E03 Catalan, Open |
19. J Szmetan vs O Benitez |
| 1-0 | 19 | 1975 | Fortaleza Zonal | B11 Caro-Kann, Two Knights, 3...Bg4 |
20. H van Riemsdijk vs O Benitez |
| 1-0 | 40 | 1975 | Fortaleza Zonal | B09 Pirc, Austrian Attack |
21. Panno vs O Benitez |
| ½-½ | 50 | 1975 | Fortaleza Zonal | A00 Uncommon Opening |
22. J Emma vs O Benitez |
 | 1-0 | 15 | 1975 | Fortaleza Zonal | A20 English |
23. O Benitez vs H Bravo Sedamanos |
| 1-0 | 39 | 1975 | Fortaleza Zonal | B83 Sicilian |
24. P H Donoso Velasco vs O Benitez |
| ½-½ | 29 | 1975 | Fortaleza Zonal | C92 Ruy Lopez, Closed |
25. H Camara vs O Benitez |
| 1-0 | 24 | 1975 | Fortaleza Zonal | D25 Queen's Gambit Accepted |