| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. R T Cardoso vs Fischer |
 | 1-0 | 40 |
1957 |
New York m | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 2. R T Cardoso vs Fischer |
| ½-½ | 56 |
1957 |
New York m | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 3. R T Cardoso vs S Tatai |
| 1-0 | 44 |
1973 |
Bauang it | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 4. R T Cardoso vs H Ardiansyah |
| 1-0 | 41 |
1973 |
Manila | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 5. R T Cardoso vs Mecking |
| ½-½ | 28 |
1975 |
Las Palmas Ruy Lopez mem | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
