| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Trompowsky vs A Olivera |
| ½-½ | 22 |
1938 |
Carrasco | E24 Nimzo-Indian, Samisch |
| 2. A Olivera vs Alekhine |
 | ½-½ | 31 |
1938 |
Montevideo (04) | E33 Nimzo-Indian, Classical |
| 3. E Rotunno vs A Olivera |
| ½-½ | 24 |
1938 |
Carrasco | E15 Queen's Indian |
| 4. A Olivera vs J Canepa |
| 1-0 | 28 |
1938 |
Carrasco | E15 Queen's Indian |
| 5. N B Rometti vs A Olivera |
 | 0-1 | 40 |
1939 |
Buenos Aires ol-8 pr B | C07 French, Tarrasch |
| 6. A Olivera vs E Reinhardt |
| 1-0 | 38 |
1939 |
Buenos Aires ol-8 pr B | E33 Nimzo-Indian, Classical |
| 7. J Salas Romo vs A Olivera |
| 1-0 | 36 |
1939 |
Buenos Aires ol-8 pr B | E33 Nimzo-Indian, Classical |
| 8. A Olivera vs L Zavala |
 | 1-0 | 28 |
1939 |
Buenos Aires ol-8 pr B | E49 Nimzo-Indian, 4.e3, Botvinnik System |
| 9. A Olivera vs E Karastoichev |
| 0-1 | 24 |
1939 |
Buenos Aires ol-8 pr B | E32 Nimzo-Indian, Classical |
| 10. L Endzelins vs A Olivera |
| 1-0 | 68 |
1939 |
Buenos Aires ol-8 pr B | A13 English |
| 11. A Olivera vs E Eliskases |
| 0-1 | 50 |
1941 |
Montevideo | E32 Nimzo-Indian, Classical |
| 12. A Olivera vs J Canepa |
| 1-0 | 63 |
1941 |
Montevideo | A35 English, Symmetrical |
| 13. A Olivera vs M Czerniak |
| 0-1 | 30 |
1946 |
ARG-URU radio m | E60 King's Indian Defense |
| 14. Szabo vs A Olivera |
| 1-0 | 56 |
1948 |
Mar del Plata | A06 Reti Opening |
| 15. E Eliskases vs A Olivera |
| 1-0 | 37 |
1948 |
Mar del Plata | B13 Caro-Kann, Exchange |
| 16. A Olivera vs Najdorf |
| ½-½ | 56 |
1948 |
Mar del Plata | A48 King's Indian |
| 17. Gligoric vs A Olivera |
| 1-0 | 31 |
1953 |
Montevideo | D55 Queen's Gambit Declined |
| 18. Najdorf vs A Olivera |
 | 1-0 | 22 |
1956 |
Montevideo | D31 Queen's Gambit Declined |
| 19. A Olivera vs J L Alvarez del Monte |
| 0-1 | 57 |
1956 |
Montevideo | A40 Queen's Pawn Game |
| 20. A Olivera vs E Eliskases |
| 0-1 | 50 |
1956 |
Montevideo | B62 Sicilian, Richter-Rauzer |
| 21. A Olivera vs Najdorf |
 | 0-1 | 24 |
1956 |
Mar del Plata | A48 King's Indian |
| 22. A Olivera vs Lombardy |
| 0-1 | 47 |
1958 |
Mar del Plata (Argentina) | A49 King's Indian, Fianchetto without c4 |
| 23. E Eliskases vs A Olivera |
| 1-0 | 29 |
1958 |
Mar del Plata | E75 King's Indian, Averbakh, Main line |
| 24. A Olivera vs Foguelman |
| 1-0 | 70 |
1958 |
Mar del Plata | D10 Queen's Gambit Declined Slav |
| 25. A Olivera vs Larsen |
| 0-1 | 37 |
1958 |
Mar del Plata | B50 Sicilian |