| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. R Calvo vs D R Thomson |
| 1-0 | 32 |
1961 |
The Hague | B88 Sicilian, Fischer-Sozin Attack |
| 2. R Calvo vs A Vinje-Gulbrandsen |
| 1-0 | 31 |
1962 |
Zurich | B93 Sicilian, Najdorf, 6.f4 |
| 3. R Calvo vs Korchnoi |
 | 1-0 | 18 |
1966 |
Havana olm 2/333 | B42 Sicilian, Kan |
| 4. Tal vs R Calvo |
| 1-0 | 40 |
1966 |
Havana | B64 Sicilian, Richter-Rauzer Attack |
| 5. S Tatai vs R Calvo |
| 1-0 | 69 |
1967 |
Palma de Mallorca | C62 Ruy Lopez, Old Steinitz Defense |
| 6. Gligoric vs R Calvo |
| 1-0 | 47 |
1967 |
Palma de Mallorca | E43 Nimzo-Indian, Fischer Variation |
| 7. R Calvo vs J B Bednarski |
| 1-0 | 67 |
1967 |
Palma de Mallorca | E73 King's Indian |
| 8. M Damjanovic vs R Calvo |
| 1-0 | 40 |
1967 |
Palma de Mallorca | E69 King's Indian, Fianchetto, Classical Main line |
| 9. A Medina Garcia vs R Calvo |
| 1-0 | 27 |
1967 |
Palma de Mallorca | C05 French, Tarrasch |
| 10. Smyslov vs R Calvo |
| 1-0 | 54 |
1967 |
Palma de Mallorca | E61 King's Indian |
| 11. Gligoric vs R Calvo |
| 1-0 | 30 |
1968 |
Palma de Mallorca | A43 Old Benoni |
| 12. Larsen vs R Calvo |
| 1-0 | 31 |
1968 |
Palma de Mallorca | A00 Uncommon Opening |
| 13. A Pomar-Salamanca vs R Calvo |
| 1-0 | 50 |
1968 |
Palma de Mallorca | A43 Old Benoni |
| 14. Gheorghiu vs R Calvo |
| 1-0 | 27 |
1968 |
Palma de Mallorca | A43 Old Benoni |
| 15. Keene vs R Calvo |
 | 1-0 | 40 |
1968 |
Lugano Olympiad | E63 King's Indian, Fianchetto, Panno Variation |
| 16. W Schmidt vs R Calvo |
| 1-0 | 34 |
1968 |
Lugano ol (Men) | C91 Ruy Lopez, Closed |
| 17. R Calvo vs D Byrne |
| 1-0 | 70 |
1968 |
Palma de Mallorca | A07 King's Indian Attack |
| 18. H Westerinen vs R Calvo |
| 1-0 | 52 |
1968 |
Palma de Mallorca | C89 Ruy Lopez, Marshall |
| 19. O'Kelly vs R Calvo |
| 1-0 | 40 |
1969 |
Olot (Spain) | A25 English |
| 20. D Marovic vs R Calvo |
| 1-0 | 33 |
1969 |
Olot | D07 Queen's Gambit Declined, Chigorin Defense |
| 21. Geller vs R Calvo |
| 1-0 | 33 |
1970 |
Siegen ol | C89 Ruy Lopez, Marshall |
| 22. Lombardy vs R Calvo |
| 1-0 | 74 |
1970 |
Siegen (Germany) | B00 Uncommon King's Pawn Opening |
| 23. Ulf Andersson vs R Calvo |
| 1-0 | 53 |
1972 |
Palma de Mallorca | D07 Queen's Gambit Declined, Chigorin Defense |
| 24. I Bilek vs R Calvo |
| 1-0 | 34 |
1972 |
Palma de Majorca (Spain) | A26 English |
| 25. R Calvo vs Averbakh |
| 1-0 | 61 |
1972 |
Palma de Mallorca | C46 Three Knights |
