| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. O Quinones vs I Bilek |
| ½-½ | 31 |
1964 |
Izt | B75 Sicilian, Dragon, Yugoslav Attack |
| 27. O Quinones vs K Darga |
| 0-1 | 41 |
1964 |
Tel Aviv ol (Men) prel | A53 Old Indian |
| 28. O Quinones vs Smyslov |
 | 0-1 | 25 |
1964 |
01, Amsterdam izt | B09 Pirc, Austrian Attack |
| 29. F Perez vs O Quinones |
| 0-1 | 50 |
1964 |
Amsterdam izt | D15 Queen's Gambit Declined Slav |
| 30. Larsen vs O Quinones |
| 1-0 | 45 |
1964 |
Amsterdam izt | C28 Vienna Game |
| 31. Tal vs O Quinones |
 | 1-0 | 29 |
1964 |
Amsterdam izt | C64 Ruy Lopez, Classical |
| 32. L Lengyel vs O Quinones |
| 1-0 | 39 |
1964 |
Amsterdam izt | D34 Queen's Gambit Declined, Tarrasch |
| 33. Smyslov vs O Quinones |
| 1-0 | 38 |
1965 |
Chile | E69 King's Indian, Fianchetto, Classical Main line |
| 34. Mecking vs O Quinones |
| ½-½ | 66 |
1966 |
Rio Hondo zt | E82 King's Indian, Samisch, double Fianchetto Variation |
| 35. O Quinones vs Panno |
| ½-½ | 30 |
1972 |
Sao Paulo | B93 Sicilian, Najdorf, 6.f4 |
| 36. O Quinones vs E Paoli |
| 0-1 | 50 |
1972 |
Skopje ol (Men) fin-B | B57 Sicilian |
| 37. O Quinones vs P Avgousti |
| 1-0 | 41 |
1972 |
Skopje | B93 Sicilian, Najdorf, 6.f4 |
| 38. O Quinones vs Keene |
| 0-1 | 46 |
1974 |
Camaguey (Cuba) | B08 Pirc, Classical |
| 39. Wade vs O Quinones |
| 1-0 | 39 |
1976 |
Capablanca Memorial | D97 Grunfeld, Russian |