| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. F Rubio Aguado vs Keres |
| ½-½ | 42 | 1957 | Mar del Plata | E24 Nimzo-Indian, Samisch |
| 27. F Rubio Aguado vs C Incutto |
| 1-0 | 28 | 1957 | Mar del Plata | D47 Queen's Gambit Declined Semi-Slav |
| 28. Eliskases vs F Rubio Aguado |
| 1-0 | 57 | 1957 | Mar del Plata | E64 King's Indian, Fianchetto, Yugoslav System |
| 29. J Perez Alcocer vs F Rubio Aguado |
 | 1-0 | 69 | 1957 | Rio de Janeiro Zonal | A57 Benko Gambit |
| 30. F Rubio Aguado vs C Humerez Estrada |
| 0-1 | 29 | 1957 | Rio de Janeiro Zonal | A07 King's Indian Attack |
| 31. F Rubio Aguado vs Letelier |
| 0-1 | 41 | 1957 | Rio de Janeiro Zonal | E29 Nimzo-Indian, Samisch |
| 32. F Rubio Aguado vs L Engels |
| 0-1 | 34 | 1957 | Rio de Janeiro Zonal | A44 Old Benoni Defense |
| 33. R Sanguineti vs F Rubio Aguado |
| 1-0 | 57 | 1957 | Rio de Janeiro Zonal | B90 Sicilian, Najdorf |
| 34. F Rubio Aguado vs H Rossetto |
| 1-0 | 40 | 1957 | Rio de Janeiro Zonal | A56 Benoni Defense |
| 35. J Mangini vs F Rubio Aguado |
| 1-0 | 40 | 1957 | Rio de Janeiro Zonal | B95 Sicilian, Najdorf, 6...e6 |
| 36. L de Campelo Gentil vs F Rubio Aguado |
| ½-½ | 59 | 1957 | Rio de Janeiro Zonal | B92 Sicilian, Najdorf, Opocensky Variation |
| 37. A Esposito vs F Rubio Aguado |
| ½-½ | 52 | 1957 | Rio de Janeiro Zonal | A61 Benoni |
| 38. W O Cruz vs F Rubio Aguado |
| ½-½ | 44 | 1957 | Rio de Janeiro Zonal | A15 English |
| 39. M Madeira de Ley vs F Rubio Aguado |
| ½-½ | 75 | 1957 | Rio de Janeiro Zonal | B96 Sicilian, Najdorf |
| 40. R Cantero vs F Rubio Aguado |
| 0-1 | 35 | 1957 | Rio de Janeiro Zonal | E67 King's Indian, Fianchetto |
| 41. F Rubio Aguado vs Najdorf |
| ½-½ | 30 | 1957 | Rio de Janeiro Zonal | E26 Nimzo-Indian, Samisch |
| 42. F Rubio Aguado vs Panno |
| 0-1 | 44 | 1957 | Rio de Janeiro Zonal | E96 King's Indian, Orthodox, 7...Nbd7, Main line |
| 43. F Rubio Aguado vs L Tavares da Silva |
| 1-0 | 27 | 1957 | Rio de Janeiro Zonal | E73 King's Indian |
| 44. F Rubio Aguado vs L Engels |
| 1-0 | 35 | 1957 | Sao Paulo | A51 Budapest Gambit |
| 45. Najdorf vs F Rubio Aguado |
| 1-0 | 28 | 1957 | Sao Paulo | B63 Sicilian, Richter-Rauzer Attack |
| 46. F Rubio Aguado vs R Cantero |
| ½-½ | 11 | 1957 | Sao Paulo | A72 Benoni, Classical without 9.O-O |
| 47. J Hollmann vs F Rubio Aguado |
| 0-1 | 27 | 1957 | Sao Paulo | B95 Sicilian, Najdorf, 6...e6 |
| 48. M E de Freitas vs F Rubio Aguado |
| 0-1 | 39 | 1957 | Sao Paulo | A00 Uncommon Opening |
| 49. R Sanguineti vs F Rubio Aguado |
| 1-0 | 46 | 1957 | Sao Paulo | B92 Sicilian, Najdorf, Opocensky Variation |
| 50. J Zacharias vs F Rubio Aguado |
 | 0-1 | 25 | 1957 | Sao Paulo | B96 Sicilian, Najdorf |
Kibitzing
