| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. A Olivera vs Eliskases |
| ½-½ | 30 |
1964 |
Buenos Aires Argenti | E24 Nimzo-Indian, Samisch |
| 27. Najdorf vs A Olivera |
| 1-0 | 20 |
1964 |
Buenos Aires | A96 Dutch, Classical Variation |
| 28. A Olivera vs Julio Bolbochan |
| 0-1 | 39 |
1964 |
Buenos Aires (Argentina) | B95 Sicilian, Najdorf, 6...e6 |
| 29. A Olivera vs Filip |
| 1-0 | 46 |
1964 |
Buenos Aires | B41 Sicilian, Kan |
| 30. A Olivera vs Keres |
| 0-1 | 33 |
1964 |
Buenos Aires (31.07.64) | C77 Ruy Lopez |
| 31. A Olivera vs Eliskases |
| 0-1 | 52 |
1964 |
Tel Aviv Bd1 | A48 King's Indian |
| 32. Petrosian vs A Olivera |
| 1-0 | 67 |
1964 |
Buenos | D37 Queen's Gambit Declined |
| 33. A Olivera vs J A Rubinetti |
| 0-1 | 45 |
1964 |
Buenos Aires | E74 King's Indian, Averbakh, 6...c5 |
| 34. A Olivera vs B Kerr |
| ½-½ | 20 |
1966 |
Havana ol final-C | C13 French |
| 35. A Olivera vs Korchnoi |
 | 0-1 | 51 |
1966 |
Havana | B41 Sicilian, Kan |
| 36. Tal vs A Olivera |
| 1-0 | 24 |
1966 |
Havana | C84 Ruy Lopez, Closed |
| 37. A Olivera vs I Cosma |
| 0-1 | 28 |
2001 |
Balaguer op-6 | B47 Sicilian, Taimanov (Bastrikov) Variation |