| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Rubinetti vs C Bielicki |
| 1-0 | 40 | 1964 | Buenos Aires | B94 Sicilian, Najdorf |
| 27. J Rubinetti vs Najdorf |
 | 0-1 | 44 | 1964 | Buenos Aires | A56 Benoni Defense |
| 28. J Rubinetti vs S Schweber |
| 1-0 | 41 | 1964 | Buenos Aires | B28 Sicilian, O'Kelly Variation |
| 29. J Rubinetti vs A Foguelman |
| 0-1 | 58 | 1964 | Buenos Aires | C15 French, Winawer |
| 30. R Byrne vs J Rubinetti |
| ½-½ | 31 | 1964 | Buenos Aires | E60 King's Indian Defense |
| 31. Pilnik vs J Rubinetti |
| 1-0 | 33 | 1964 | Buenos Aires | B32 Sicilian |
| 32. A Olivera vs J Rubinetti |
| 0-1 | 45 | 1964 | Buenos Aires | E75 King's Indian, Averbakh, Main line |
| 33. J Rubinetti vs B Wexler |
| 1-0 | 64 | 1964 | Buenos Aires | B28 Sicilian, O'Kelly Variation |
| 34. H Rossetto vs J Rubinetti |
| 0-1 | 71 | 1964 | Buenos Aires | B50 Sicilian |
| 35. J Rubinetti vs R Garcia |
| 0-1 | 23 | 1964 | Buenos Aires | A78 Benoni, Classical with ...Re8 and ...Na6 |
| 36. Letelier vs J Rubinetti |
| 0-1 | 41 | 1964 | Buenos Aires | E70 King's Indian |
| 37. Keres vs J Rubinetti |
 | 1-0 | 47 | 1964 | Buenos Aires | B49 Sicilian, Taimanov Variation |
| 38. J Rubinetti vs Eliskases |
| 0-1 | 71 | 1964 | Buenos Aires | B42 Sicilian, Kan |
| 39. Petrosian vs J Rubinetti |
| 1-0 | 35 | 1964 | Buenos Aires | E51 Nimzo-Indian, 4.e3 |
| 40. Bolbochan vs J Rubinetti |
| ½-½ | 49 | 1964 | Buenos Aires | D25 Queen's Gambit Accepted |
| 41. J Rubinetti vs C Guimard |
| 0-1 | 66 | 1964 | Buenos Aires | C41 Philidor Defense |
| 42. Filip vs J Rubinetti |
| 1-0 | 32 | 1964 | Buenos Aires | A48 King's Indian |
| 43. J Rubinetti vs J Behrensen |
| ½-½ | 41 | 1965 | Buenos Aires-ch | B83 Sicilian |
| 44. J Rubinetti vs E Scanavino |
| ½-½ | 41 | 1965 | Club Argentino Jubilee Tournament | E99 King's Indian, Orthodox, Taimanov |
| 45. B Wexler vs J Rubinetti |
| ½-½ | 17 | 1965 | Club Argentino Jubilee Tournament | A53 Old Indian |
| 46. R C Cruz vs J Rubinetti |
| 0-1 | 58 | 1965 | Club Argentino Jubilee Tournament | E91 King's Indian |
| 47. J Rubinetti vs S Schweber |
| ½-½ | 35 | 1965 | Club Argentino Jubilee Tournament | B43 Sicilian, Kan, 5.Nc3 |
| 48. J Rubinetti vs R Garcia |
| 0-1 | 42 | 1965 | Club Argentino Jubilee Tournament | B83 Sicilian |
| 49. Najdorf vs J Rubinetti |
| 1-0 | 12 | 1965 | Club Argentino Jubilee Tournament | E91 King's Indian |
| 50. J Rubinetti vs E Reinhardt |
| 1-0 | 40 | 1965 | Club Argentino Jubilee Tournament | A07 King's Indian Attack |
Kibitzing
