| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A da Silva Rocha vs J Salas Romo |
| 0-1 | 36 | 1937 | South American Championship | D43 Queen's Gambit Declined Semi-Slav |
| 27. A da Silva Rocha vs O Trompowsky |
| ½-½ | 21 | 1937 | South American Championship | E10 Queen's Pawn Game |
| 28. J Gondim vs A da Silva Rocha |
| 0-1 | 16 | 1937 | South American Championship | D50 Queen's Gambit Declined |
| 29. R Flores Alvarez vs A da Silva Rocha |
| 1-0 | 30 | 1937 | South American Championship | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 30. V Fenoglio vs A da Silva Rocha |
| 0-1 | 42 | 1938 | Rio de Janeiro | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 31. A Salles Oliveira vs A da Silva Rocha |
| ½-½ | 24 | 1938 | Montevideo | D22 Queen's Gambit Accepted |
| 32. A da Silva Rocha vs E Rotunno |
| 1-0 | 40 | 1938 | Montevideo | E16 Queen's Indian |
| 33. A da Silva Rocha vs Letelier |
| ½-½ | 30 | 1938 | Montevideo | D63 Queen's Gambit Declined, Orthodox Defense |
| 34. R Flores Alvarez vs A da Silva Rocha |
| 0-1 | 32 | 1938 | Montevideo | D22 Queen's Gambit Accepted |
| 35. J C Balparda vs A da Silva Rocha |
| 0-1 | 47 | 1938 | Montevideo | D20 Queen's Gambit Accepted |
| 36. A da Silva Rocha vs A Olivera |
| ½-½ | 24 | 1938 | Montevideo | E15 Queen's Indian |
| 37. Alekhine vs A da Silva Rocha |
  | 1-0 | 40 | 1938 | Montevideo | B60 Sicilian, Richter-Rauzer |
| 38. R Bensadon vs A da Silva Rocha |
| ½-½ | 52 | 1938 | Montevideo | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 39. A da Silva Rocha vs W O Cruz |
| ½-½ | 26 | 1938 | Montevideo | D37 Queen's Gambit Declined |
| 40. A da Silva Rocha vs R Grau |
| 1-0 | 32 | 1938 | Montevideo | D07 Queen's Gambit Declined, Chigorin Defense |
| 41. A da Silva Rocha vs C H Maderna |
| 1-0 | 39 | 1938 | Montevideo | D37 Queen's Gambit Declined |
| 42. O Trompowsky vs A da Silva Rocha |
| ½-½ | 21 | 1938 | Montevideo | D53 Queen's Gambit Declined |
| 43. J Canepa vs A da Silva Rocha |
| ½-½ | 39 | 1938 | Montevideo | C73 Ruy Lopez, Modern Steinitz Defense |
| 44. A da Silva Rocha vs V Fenoglio |
| 1-0 | 27 | 1938 | Montevideo | D43 Queen's Gambit Declined Semi-Slav |
| 45. C Guimard vs A da Silva Rocha |
| 1-0 | 34 | 1938 | Montevideo | D32 Queen's Gambit Declined, Tarrasch |
| 46. Alekhine vs A da Silva Rocha |
| 1-0 | 56 | 1939 | Alekhine Clock simul, 12b Rio de Janeiro | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 47. A da Silva Rocha vs Najdorf |
| ½-½ | 20 | 1939 | Buenos Aires Olympiad qual-1 | D84 Grunfeld, Grunfeld Gambit Accepted |
| 48. J Foltys vs A da Silva Rocha |
| ½-½ | 26 | 1939 | Buenos Aires Olympiad qual-1 | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 49. A da Silva Rocha vs E Espinola |
| 1-0 | 57 | 1939 | Buenos Aires Olympiad qual-1 | D37 Queen's Gambit Declined |
| 50. A da Silva Rocha vs J Morrison |
| 1-0 | 51 | 1939 | Buenos Aires Olympiad qual-1 | D43 Queen's Gambit Declined Semi-Slav |
Kibitzing
