| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Quinteros vs Gheorghiu |
| ½-½ | 27 |
1970 |
Buenos Aires | A39 English, Symmetrical, Main line with d4 |
| 27. Quinteros vs Velimirovic |
| 0-1 | 29 |
1970 |
Vinkovci (Croatia) | A63 Benoni, Fianchetto, 9...Nbd7 |
| 28. Quinteros vs Bronstein |
| 0-1 | 58 |
1970 |
Vinkovci | A22 English |
| 29. Quinteros vs W Schmidt |
| 0-1 | 42 |
1970 |
Argentina | A25 English |
| 30. Quinteros vs I Radulov |
 | 0-1 | 27 |
1970 |
Olympiad | E09 Catalan, Closed |
| 31. Quinteros vs Bisguier |
| 1-0 | 46 |
1970 |
Ch Argentina | E09 Catalan, Closed |
| 32. M Damjanovic vs Quinteros |
| 1-0 | 47 |
1970 |
Buenos Aires | A48 King's Indian |
| 33. K Honfi vs Quinteros |
| 1-0 | 27 |
1970 |
Jugoslavija | B27 Sicilian |
| 34. Quinteros vs Fischer |
| 0-1 | 42 |
1970 |
Buenos Aires | A10 English |
| 35. Agdamus vs Quinteros |
| 0-1 | 39 |
1970 |
Buenos Aires | A56 Benoni Defense |
| 36. Quinteros vs Polugaevsky |
| 1-0 | 67 |
1970 |
Siegen ol | E69 King's Indian, Fianchetto, Classical Main line |
| 37. Quinteros vs D Tomic |
| 1-0 | 74 |
1970 |
Vinkovci (Croatia) | E62 King's Indian, Fianchetto |
| 38. Quinteros vs Hort |
| 1-0 | 37 |
1970 |
Vinkovci | A25 English |
| 39. Quinteros vs J A Rubinetti |
| ½-½ | 14 |
1970 |
Buenos Aires | D34 Queen's Gambit Declined, Tarrasch |
| 40. Szabo vs Quinteros |
| 1-0 | 42 |
1970 |
Buenos Aires | A56 Benoni Defense |
| 41. Csom vs Quinteros |
| 1-0 | 42 |
1970 |
Olympiad | B22 Sicilian, Alapin |
| 42. Quinteros vs R Garcia |
| ½-½ | 24 |
1970 |
Buenos Aires | A25 English |
| 43. Smyslov vs Quinteros |
| ½-½ | 56 |
1970 |
Buenos Aires (Argentina) | A27 English, Three Knights System |
| 44. Timman vs Quinteros |
| ½-½ | 35 |
1971 |
Malaga (06) | B42 Sicilian, Kan |
| 45. Quinteros vs C Silva Sanchez |
| 1-0 | 45 |
1971 |
Pan American-chT | D73 Neo-Grunfeld, 5.Nf3 |
| 46. Quinteros vs E Palacios |
| 1-0 | 35 |
1971 |
Malaga | A81 Dutch |
| 47. J Gonzalez Garcia vs Quinteros |
| 1-0 | 16 |
1971 |
Argentina | B27 Sicilian |
| 48. Browne vs Quinteros |
| 0-1 | 28 |
1971 |
Ch Argentina | B43 Sicilian, Kan, 5.Nc3 |
| 49. Quinteros vs Polugaevsky |
| 0-1 | 36 |
1971 |
Mar del Plata | A07 King's Indian Attack |
| 50. A Planinc vs Quinteros |
| 0-1 | 37 |
1971 |
Mar del Plata | A42 Modern Defense, Averbakh System |
