| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Dorfman vs D van Riemsdijk |
| ½-½ | 11 | 1978 | Sao Paulo | D93 Grunfeld, with Bf4 & e3 |
| 27. D van Riemsdijk vs Evans |
| 0-1 | 39 | 1978 | Sao Paulo | B81 Sicilian, Scheveningen, Keres Attack |
| 28. Quinteros vs D van Riemsdijk |
| 1-0 | 31 | 1978 | Sao Paulo | A34 English, Symmetrical |
| 29. H van Riemsdijk vs D van Riemsdijk |
| ½-½ | 42 | 1978 | Sao Paulo | B16 Caro-Kann, Bronstein-Larsen Variation |
| 30. D van Riemsdijk vs V de Paulo A Brito |
| 1-0 | 30 | 1978 | Rio de Janeiro Old Spice | A04 Reti Opening |
| 31. D van Riemsdijk vs H A Machado Jr |
| 1-0 | 33 | 1978 | Rio de Janeiro Old Spice | A04 Reti Opening |
| 32. H van Riemsdijk vs D van Riemsdijk |
| 0-1 | 55 | 1978 | Rio de Janeiro Old Spice | B17 Caro-Kann, Steinitz Variation |
| 33. D van Riemsdijk vs S Farias |
| 1-0 | 40 | 1978 | Rio de Janeiro Old Spice | A06 Reti Opening |
| 34. R Filguth vs D van Riemsdijk |
| 0-1 | 36 | 1978 | Rio de Janeiro Old Spice | B13 Caro-Kann, Exchange |
| 35. D van Riemsdijk vs Quinteros |
| 0-1 | 33 | 1978 | Rio de Janeiro Old Spice | B97 Sicilian, Najdorf |
| 36. M de Haro vs D van Riemsdijk |
| 0-1 | 35 | 1979 | Brazilian Championship | A70 Benoni, Classical with 7.Nf3 |
| 37. D van Riemsdijk vs M Netto Baeta |
| 0-1 | 32 | 1979 | Brazilian Championship | B03 Alekhine's Defense |
| 38. R Gaui vs D van Riemsdijk |
| 0-1 | 90 | 1980 | Brazilian Championship | B13 Caro-Kann, Exchange |
| 39. D van Riemsdijk vs J Sunye Neto |
| 0-1 | 52 | 1980 | Brazilian Championship | A04 Reti Opening |
| 40. D van Riemsdijk vs A Mascarenhas |
| 1-0 | 48 | 1980 | Brazilian Championship | C77 Ruy Lopez |
| 41. L Lucena vs D van Riemsdijk |
| ½-½ | 41 | 1980 | Brazilian Championship | A34 English, Symmetrical |
| 42. D van Riemsdijk vs A Resende |
| ½-½ | 71 | 1980 | Brazilian Championship | B06 Robatsch |
| 43. D van Riemsdijk vs L Gentil Junior |
| 1-0 | 52 | 1980 | Brazilian Championship | B07 Pirc |
| 44. C Braga vs D van Riemsdijk |
| 1-0 | 41 | 1980 | Brazilian Championship | A07 King's Indian Attack |
| 45. V Chemin vs D van Riemsdijk |
| 1-0 | 42 | 1980 | Brazilian Championship | B13 Caro-Kann, Exchange |
| 46. D van Riemsdijk vs R Teixeira |
| ½-½ | 56 | 1980 | Brazilian Championship | B32 Sicilian |
| 47. C Mann de Toledo vs D van Riemsdijk |
| 0-1 | 32 | 1980 | Brazilian Championship | A30 English, Symmetrical |
| 48. D van Riemsdijk vs H Camara |
| 1-0 | 57 | 1983 | Brazilian Championship | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 49. J Mann de Toledo vs D van Riemsdijk |
| ½-½ | 49 | 1983 | Brazilian Championship | B15 Caro-Kann |
| 50. C Soares vs D van Riemsdijk |
| ½-½ | 57 | 1983 | Brazilian Championship | B13 Caro-Kann, Exchange |
Kibitzing
