| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Endzelins vs A Olivera |
| 1-0 | 68 |
1939 |
Buenos Aires ol-8 pr B | A13 English |
| 2. A Olivera vs E Karastoichev |
| 0-1 | 24 |
1939 |
Buenos Aires ol-8 pr B | E32 Nimzo-Indian, Classical |
| 3. J Salas Romo vs A Olivera |
| 1-0 | 36 |
1939 |
Buenos Aires ol-8 pr B | E33 Nimzo-Indian, Classical |
| 4. A Olivera vs Eliskases |
| 0-1 | 50 |
1941 |
Montevideo | E32 Nimzo-Indian, Classical |
| 5. A Olivera vs M Czerniak |
| 0-1 | 30 |
1946 |
ARG-URU radio m | E60 King's Indian Defense |
| 6. Eliskases vs A Olivera |
| 1-0 | 37 |
1948 |
Mar del Plata | B13 Caro-Kann, Exchange |
| 7. Szabo vs A Olivera |
| 1-0 | 56 |
1948 |
Mar del Plata | A06 Reti Opening |
| 8. Gligoric vs A Olivera |
| 1-0 | 31 |
1953 |
Montevideo | D55 Queen's Gambit Declined |
| 9. A Olivera vs Eliskases |
| 0-1 | 50 |
1956 |
Montevideo | B62 Sicilian, Richter-Rauzer |
| 10. A Olivera vs J L Alvarez del Monte |
| 0-1 | 57 |
1956 |
Montevideo | A40 Queen's Pawn Game |
| 11. Najdorf vs A Olivera |
 | 1-0 | 22 |
1956 |
Montevideo | D31 Queen's Gambit Declined |
| 12. A Olivera vs Najdorf |
| 0-1 | 24 |
1956 |
Mar del Plata | A48 King's Indian |
| 13. Eliskases vs A Olivera |
| 1-0 | 29 |
1958 |
Mar del Plata | E75 King's Indian, Averbakh, Main line |
| 14. A Olivera vs Larsen |
| 0-1 | 37 |
1958 |
Mar del Plata | B50 Sicilian |
| 15. A Olivera vs Lombardy |
| 0-1 | 47 |
1958 |
Mar del Plata (Argentina) | A49 King's Indian, Fianchetto without c4 |
| 16. Kashdan vs A Olivera |
| 1-0 | 39 |
1960 |
It Argentina | B76 Sicilian, Dragon, Yugoslav Attack |
| 17. A Olivera vs J A Rubinetti |
| 0-1 | 45 |
1964 |
Buenos Aires | E74 King's Indian, Averbakh, 6...c5 |
| 18. Petrosian vs A Olivera |
| 1-0 | 67 |
1964 |
Buenos | D37 Queen's Gambit Declined |
| 19. Najdorf vs A Olivera |
| 1-0 | 20 |
1964 |
Buenos Aires | A96 Dutch, Classical Variation |
| 20. A Olivera vs Keres |
| 0-1 | 33 |
1964 |
Buenos Aires (31.07.64) | C77 Ruy Lopez |
| 21. A Olivera vs Eliskases |
| 0-1 | 52 |
1964 |
Tel Aviv Bd1 | A48 King's Indian |
| 22. A Olivera vs Julio Bolbochan |
| 0-1 | 39 |
1964 |
Buenos Aires (Argentina) | B95 Sicilian, Najdorf, 6...e6 |
| 23. A Olivera vs Korchnoi |
| 0-1 | 51 |
1966 |
Havana | B41 Sicilian, Kan |
| 24. Tal vs A Olivera |
| 1-0 | 24 |
1966 |
Havana | C84 Ruy Lopez, Closed |
| 25. A Olivera vs I Cosma |
| 0-1 | 28 |
2001 |
Balaguer op-6 | B47 Sicilian, Taimanov (Bastrikov) Variation |
