| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Frois vs J Pereira Santos |
| ½-½ | 11 | 1986 | Alekhine Memorial | B06 Robatsch |
| 27. Petursson vs A Frois |
| 1-0 | 35 | 1986 | Dubai Olympiad | A53 Old Indian |
| 28. A Frois vs G Milos |
| 0-1 | 62 | 1986 | Dubai Olympiad | C84 Ruy Lopez, Closed |
| 29. A Antunes vs A Frois |
| 1-0 | 40 | 1988 | Almada | B27 Sicilian |
| 30. T Yilmaz vs A Frois |
| ½-½ | 61 | 1988 | Thessaloniki Olympiad | A02 Bird's Opening |
| 31. A Frois vs B Zueger |
| ½-½ | 48 | 1988 | Thessaloniki Olympiad | A07 King's Indian Attack |
| 32. T O'Donnell vs A Frois |
| 1-0 | 59 | 1988 | Thessaloniki Olympiad | B22 Sicilian, Alapin |
| 33. G Andruet vs A Frois |
| ½-½ | 62 | 1988 | Thessaloniki Olympiad | D30 Queen's Gambit Declined |
| 34. G Vallifuoco vs A Frois |
 | 1-0 | 44 | 1989 | EUR-chT (Open) 9th | A53 Old Indian |
| 35. A Frois vs D Griffin |
| 1-0 | 40 | 1989 | EUR-chT (Open) 9th | A05 Reti Opening |
| 36. Y Shemer vs A Frois |
| ½-½ | 40 | 1989 | EUR-chT (Open) 9th | E69 King's Indian, Fianchetto, Classical Main line |
| 37. A Frois vs T Clarke |
| 1-0 | 23 | 1989 | EUR-chT (Open) 9th | A04 Reti Opening |
| 38. A Frois vs A Nokso-Koivisto |
| 0-1 | 36 | 1989 | EUR-chT (Open) 9th | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 39. C Pereira dos Santos vs A Frois |
| ½-½ | 24 | 1990 | Portuguese Championship | D34 Queen's Gambit Declined, Tarrasch |
| 40. A Frois vs J A Santos |
| 1-0 | 35 | 1990 | Portuguese Championship | A08 King's Indian Attack |
| 41. A Frois vs J Cordovil |
| 1-0 | 26 | 1990 | Portuguese Championship | D02 Queen's Pawn Game |
| 42. Vladimirov vs A Frois |
| ½-½ | 47 | 1990 | Cordoba op | D32 Queen's Gambit Declined, Tarrasch |
| 43. A Fernandes vs A Frois |
| ½-½ | 20 | 1990 | Portuguese Championship | B06 Robatsch |
| 44. F Cary vs A Frois |
| 0-1 | 41 | 1990 | Portuguese Championship | A05 Reti Opening |
| 45. A Frois vs R Damaso |
| ½-½ | 20 | 1990 | Portuguese Championship | D37 Queen's Gambit Declined |
| 46. L Galego vs A Frois |
| ½-½ | 49 | 1990 | Portuguese Championship | B31 Sicilian, Rossolimo Variation |
| 47. A Frois vs J Leonardo |
| 1-0 | 39 | 1990 | Portuguese Championship | D02 Queen's Pawn Game |
| 48. A Frois vs F Ribeiro |
| 1-0 | 27 | 1990 | Portuguese Championship | A81 Dutch |
| 49. Ru Almeida vs A Frois |
| ½-½ | 11 | 1990 | Portuguese Championship | D35 Queen's Gambit Declined |
| 50. A Frois vs N Amaral |
| 1-0 | 22 | 1990 | Portuguese Championship | E09 Catalan, Closed |
Kibitzing
