| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J de Souza Mendes vs W de Oliveira |
| 1-0 | 29 | 1951 | Brazilian Championship | C15 French, Winawer |
| 27. W de Oliveira vs J Mangini |
| 0-1 | 66 | 1951 | Brazilian Championship | D57 Queen's Gambit Declined, Lasker Defense |
| 28. N Garrido vs W de Oliveira |
| ½-½ | 28 | 1951 | Brazilian Championship | E94 King's Indian, Orthodox |
| 29. W de Oliveira vs R Salamuni |
| 1-0 | 31 | 1951 | Brazilian Championship | D17 Queen's Gambit Declined Slav |
| 30. F de Carvalho vs W de Oliveira |
| 1-0 | 18 | 1951 | Brazilian Championship | A07 King's Indian Attack |
| 31. W de Oliveira vs S Guimaraes |
| ½-½ | 63 | 1951 | Brazilian Championship | E72 King's Indian |
| 32. L Maragliano vs W de Oliveira |
| 1-0 | 36 | 1951 | Brazilian Championship | C09 French, Tarrasch, Open Variation, Main line |
| 33. W de Oliveira vs F Vasconcellos |
| ½-½ | 78 | 1951 | Brazilian Championship | E38 Nimzo-Indian, Classical, 4...c5 |
| 34. W de Oliveira vs J Gondim |
| ½-½ | 46 | 1951 | Brazilian Championship | D15 Queen's Gambit Declined Slav |
| 35. J J Lemos vs W de Oliveira |
| 1-0 | 27 | 1951 | Brazilian Championship | C15 French, Winawer |
| 36. E German vs W de Oliveira |
 | 1-0 | 27 | 1951 | Brazilian Championship | B93 Sicilian, Najdorf, 6.f4 |
| 37. A Siqueira vs W de Oliveira |
| 0-1 | 56 | 1951 | Brazilian Championship | E12 Queen's Indian |
| 38. W de Oliveira vs M E de Freitas |
| 0-1 | 40 | 1951 | Brazilian Championship | A53 Old Indian |
| 39. W de Oliveira vs L Belem |
| 1-0 | 40 | 1951 | Brazilian Championship | E72 King's Indian |
| 40. J de Souza Mendes vs W de Oliveira |
| 1-0 | 36 | 1959 | Brazilian Championship | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 41. J Gondim vs W de Oliveira |
| 0-1 | 61 | 1959 | Brazilian Championship | E61 King's Indian |
| 42. W de Oliveira vs J Mangini |
| 0-1 | 48 | 1959 | Brazilian Championship | E17 Queen's Indian |
| 43. W de Oliveira vs E German |
| 0-1 | 36 | 1960 | pre-zn | D25 Queen's Gambit Accepted |
| 44. E German vs W de Oliveira |
| 1-0 | 36 | 1972 | BRA zn | C40 King's Knight Opening |
| 45. W de Oliveira vs G Pires |
| 0-1 | 72 | 1972 | BRA zn | E70 King's Indian |
| 46. W de Oliveira vs L Lucena |
| ½-½ | 21 | 1972 | BRA zn | D27 Queen's Gambit Accepted, Classical |
| 47. F P Parente vs W de Oliveira |
| ½-½ | 31 | 1972 | BRA zn | A05 Reti Opening |
| 48. W de Oliveira vs V L Szentkiralyi Toth |
| 0-1 | 57 | 1972 | BRA zn | E70 King's Indian |
| 49. P Toth vs W de Oliveira |
| 1-0 | 57 | 1972 | BRA zn | A22 English |
| 50. W de Oliveira vs G Barbosa |
| 0-1 | 52 | 1972 | BRA zn | E54 Nimzo-Indian, 4.e3, Gligoric System |
Kibitzing
