| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Alekhine vs G Tan |
 | 1-0 | 31 |
1933 |
Sukabumi | D06 Queen's Gambit Declined |
| 2. Portisch vs R T Cardoso |
| ½-½ | 74 |
1956 |
Moscow | E30 Nimzo-Indian, Leningrad |
| 3. Fischer vs R T Cardoso |
 | 1-0 | 31 |
1957 |
New York m | B90 Sicilian, Najdorf |
| 4. Bahgat vs R T Cardoso |
| 0-1 | 56 |
1957 |
Toronto-jr | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 5. A Jongsma vs R T Cardoso |
| 1-0 | 65 |
1957 |
Wch U20 | E62 King's Indian, Fianchetto |
| 6. R T Cardoso vs Lombardy |
| 0-1 | 67 |
1957 |
Wch U20 | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. Fischer vs R T Cardoso |
 | 1-0 | 32 |
1957 |
Match | A04 Reti Opening |
| 8. R T Cardoso vs Fischer |
 | ½-½ | 56 |
1957 |
New York m | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 9. R T Cardoso vs Fischer |
 | 0-1 | 36 |
1957 |
New York m | B55 Sicilian, Prins Variation, Venice Attack |
| 10. R T Cardoso vs Fischer |
 | 1-0 | 40 |
1957 |
New York m | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 11. R T Cardoso vs Fischer |
 | 0-1 | 52 |
1957 |
New York m | B98 Sicilian, Najdorf |
| 12. Fischer vs R T Cardoso |
 | ½-½ | 46 |
1957 |
New York m | B90 Sicilian, Najdorf |
| 13. Fischer vs R T Cardoso |
 | 1-0 | 46 |
1957 |
New York m | B90 Sicilian, Najdorf |
| 14. Filip vs R T Cardoso |
| 1-0 | 34 |
1958 |
Portoroz Interzonal | A15 English |
| 15. W Fairhurst vs R T Cardoso |
 | 0-1 | 39 |
1958 |
13th olm final C | D53 Queen's Gambit Declined |
| 16. R T Cardoso vs A Matanovic |
| 0-1 | 34 |
1958 |
Portoroz Interzonal | B90 Sicilian, Najdorf |
| 17. R T Cardoso vs W Heidenfeld |
| ½-½ | 52 |
1958 |
13th olm final C | A52 Budapest Gambit |
| 18. B De Greiff vs R T Cardoso |
 | 0-1 | 31 |
1958 |
Portoroz Interzonal | B93 Sicilian, Najdorf, 6.f4 |
| 19. E Chalabi vs R T Cardoso |
| 1-0 | 52 |
1958 |
13th olm final C | A17 English |
| 20. R T Cardoso vs J Sherwin |
| 1-0 | 41 |
1958 |
Portoroz Interzonal | D85 Grunfeld |
| 21. R T Cardoso vs E Rojahn |
| ½-½ | 23 |
1958 |
13th olm final C | B70 Sicilian, Dragon Variation |
| 22. R T Cardoso vs Bronstein |
 | 1-0 | 42 |
1958 |
Portoroz Interzonal | B06 Robatsch |
| 23. R T Cardoso vs Tal |
| ½-½ | 44 |
1958 |
Portoroz Interzonal | B36 Sicilian, Accelerated Fianchetto |
| 24. F Olafsson vs R T Cardoso |
| 1-0 | 28 |
1958 |
Portoroz Interzonal | B40 Sicilian |
| 25. Y Safvat vs R T Cardoso |
| 0-1 | 43 |
1958 |
13th olm final C | B06 Robatsch |