| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. R Cantero vs O Bernstein |
| 0-1 | 34 | 1954 | Montevideo | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 2. R Linskens vs R Cantero |
| 0-1 | 36 | 1954 | Montevideo | B45 Sicilian, Taimanov |
| 3. H Corral vs R Cantero |
| 0-1 | 34 | 1954 | Montevideo | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 4. R Cantero vs Letelier |
| 0-1 | 32 | 1954 | Montevideo | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 5. R Cantero vs J F Olivera |
| ½-½ | 43 | 1954 | Montevideo | A16 English |
| 6. L Bauza vs R Cantero |
| 0-1 | 40 | 1954 | Montevideo | E69 King's Indian, Fianchetto, Classical Main line |
| 7. R Cantero vs J Salas Romo |
| 0-1 | 41 | 1954 | Montevideo | A17 English |
| 8. J L Alvarez del Monte vs R Cantero |
 | ½-½ | 42 | 1954 | Montevideo | E90 King's Indian |
| 9. R Cantero vs R Kalkstein |
| 1-0 | 39 | 1954 | Montevideo | A22 English |
| 10. R Cantero vs R Toran |
| 0-1 | 34 | 1954 | Montevideo | C68 Ruy Lopez, Exchange |
| 11. R Cantero vs B Horberg |
| ½-½ | 32 | 1954 | Montevideo | B40 Sicilian |
| 12. Najdorf vs R Cantero |
 | 1-0 | 40 | 1954 | Montevideo | E64 King's Indian, Fianchetto, Yugoslav System |
| 13. W Estrada Degrandi vs R Cantero |
| 1-0 | 33 | 1954 | Montevideo | E81 King's Indian, Samisch |
| 14. R Cantero vs E Salomon |
| ½-½ | 28 | 1954 | Montevideo | C50 Giuoco Piano |
| 15. R Cantero vs J Munoz Izcua |
| 1-0 | 12 | 1954 | Montevideo | A82 Dutch, Staunton Gambit |
| 16. O Trompowsky vs R Cantero |
| 1-0 | 17 | 1954 | Montevideo | A45 Queen's Pawn Game |
| 17. F de Carvalho vs R Cantero |
| 0-1 | 45 | 1954 | Montevideo | A07 King's Indian Attack |
| 18. Eliskases vs R Cantero |
| 1-0 | 46 | 1956 | Montevideo | E60 King's Indian Defense |
| 19. R Cantero vs W Ader Hausman |
| 1-0 | 48 | 1956 | Montevideo | B32 Sicilian |
| 20. L Bauza vs R Cantero |
| ½-½ | 21 | 1956 | Montevideo | A46 Queen's Pawn Game |
| 21. R Cantero vs J L Alvarez del Monte |
| 1-0 | 25 | 1956 | Montevideo | E76 King's Indian, Four Pawns Attack |
| 22. R Cantero vs J de Souza Mendes |
| 1-0 | 32 | 1956 | Montevideo | A70 Benoni, Classical with 7.Nf3 |
| 23. R Cantero vs A Olivera |
| ½-½ | 24 | 1956 | Montevideo | E32 Nimzo-Indian, Classical |
| 24. F Rubio Aguado vs R Cantero |
| 0-1 | 40 | 1956 | Montevideo | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 25. Najdorf vs R Cantero |
| 1-0 | 44 | 1956 | Montevideo | E60 King's Indian Defense |
Kibitzing
