| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. R T Cardoso vs Fischer |
 | ½-½ | 56 |
1957 |
New York m | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 2. R T Cardoso vs Fischer |
 | 1-0 | 40 |
1957 |
New York m | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 3. R T Cardoso vs Fischer |
 | 0-1 | 52 |
1957 |
New York m | B98 Sicilian, Najdorf |
| 4. R T Cardoso vs Lombardy |
| 0-1 | 67 |
1957 |
Wch U20 | B92 Sicilian, Najdorf, Opocensky Variation |
| 5. R T Cardoso vs A Matanovic |
| 0-1 | 34 |
1958 |
Portoroz izt | B90 Sicilian, Najdorf |
| 6. R T Cardoso vs Panno |
 | 0-1 | 57 |
1958 |
Portoroz izt | B90 Sicilian, Najdorf |
| 7. R T Cardoso vs H Ardiansyah |
| 1-0 | 41 |
1973 |
Manila | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 8. R T Cardoso vs S Tatai |
| 1-0 | 44 |
1973 |
Bauang it | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 9. R T Cardoso vs Ljubojevic |
| 0-1 | 41 |
1975 |
Las Palmas | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 10. R T Cardoso vs Mecking |
| ½-½ | 28 |
1975 |
Las Palmas Ruy Lopez mem | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |