| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M E de Freitas vs A Prosdocimi |
| 0-1 | 45 | 1952 | Brazilian Championship | D90 Grunfeld |
| 27. O Paiva vs A Prosdocimi |
| 1-0 | 52 | 1952 | Brazilian Championship | A84 Dutch |
| 28. A Prosdocimi vs J C Monteiro |
| ½-½ | 59 | 1952 | Brazilian Championship | C00 French Defense |
| 29. L J Cordioli vs A Prosdocimi |
| ½-½ | 38 | 1952 | Brazilian Championship | D52 Queen's Gambit Declined |
| 30. A Prosdocimi vs F de Carvalho |
| ½-½ | 42 | 1952 | Brazilian Championship | D33 Queen's Gambit Declined, Tarrasch |
| 31. L Belem vs A Prosdocimi |
| 1-0 | 53 | 1952 | Brazilian Championship | E17 Queen's Indian |
| 32. M Madeira de Ley vs A Prosdocimi |
| 0-1 | 75 | 1952 | Brazilian Championship | A45 Queen's Pawn Game |
| 33. L Castro Souza vs A Prosdocimi |
| ½-½ | 42 | 1952 | Brazilian Championship | E16 Queen's Indian |
| 34. A Prosdocimi vs E Santiago Oliveira |
 | ½-½ | 52 | 1952 | Brazilian Championship | C26 Vienna |
| 35. A Prosdocimi vs W Santa Cruz |
| 0-1 | 38 | 1954 | Brazilian Championship | D51 Queen's Gambit Declined |
| 36. N Dantas vs A Prosdocimi |
| 1-0 | 36 | 1954 | Brazilian Championship | B33 Sicilian |
| 37. A Prosdocimi vs F Caldas Kruel |
| ½-½ | 14 | 1954 | Brazilian Championship | A04 Reti Opening |
| 38. A Prosdocimi vs H Cantanhede |
| 1-0 | 38 | 1954 | Brazilian Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 39. J de Souza Mendes vs A Prosdocimi |
| 1-0 | 34 | 1954 | Brazilian Championship | A15 English |
| 40. A Prosdocimi vs D Fragoso |
| ½-½ | 41 | 1954 | Brazilian Championship | D22 Queen's Gambit Accepted |
| 41. B Gustavson Detthow vs A Prosdocimi |
| 0-1 | 59 | 1954 | Brazilian Championship | A57 Benko Gambit |
| 42. H Laynes vs A Prosdocimi |
| 0-1 | 41 | 1954 | Brazilian Championship | A56 Benoni Defense |
| 43. A Prosdocimi vs J Mangini |
| 0-1 | 41 | 1956 | Brazilian Championship | D51 Queen's Gambit Declined |
| 44. A Prosdocimi vs J C Almeida Soares |
| 0-1 | 25 | 1956 | Brazilian Championship | A07 King's Indian Attack |
| 45. A Prosdocimi vs H Camara |
| 1-0 | 46 | 1958 | Brazilian Championship | D45 Queen's Gambit Declined Semi-Slav |
| 46. O Gadia vs A Prosdocimi |
| 0-1 | 50 | 1958 | Brazilian Championship | A07 King's Indian Attack |
| 47. A Prosdocimi vs S L Teixeira Mendes |
| ½-½ | 23 | 1958 | Brazilian Championship | D02 Queen's Pawn Game |
| 48. J de Souza Mendes vs A Prosdocimi |
| ½-½ | 51 | 1958 | Brazilian Championship | C42 Petrov Defense |
| 49. A Prosdocimi vs L Gaya |
| ½-½ | 39 | 1958 | Brazilian Championship | B58 Sicilian |
| 50. J Mangini vs A Prosdocimi |
| 1-0 | 44 | 1958 | Brazilian Championship | C90 Ruy Lopez, Closed |
Kibitzing
