| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J E Ostos vs L Sieiro Gonzalez |
| 0-1 | 75 | 1976 | Capablanca mem-B 13th | B90 Sicilian, Najdorf |
| 2. J Szmetan vs L Sieiro Gonzalez |
| 1-0 | 40 | 1976 | Capablanca mem-B 13th | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 3. L Sieiro Gonzalez vs R Vera |
| ½-½ | 26 | 1982 | CUB-ch | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 4. L Sieiro Gonzalez vs J Nogueiras |
| ½-½ | 16 | 1982 | CUB-ch | C59 Two Knights |
| 5. A Rodriguez vs L Sieiro Gonzalez |
| ½-½ | 24 | 1982 | CUB-ch | C42 Petrov Defense |
| 6. J A Hedman Senarega vs L Sieiro Gonzalez |
| ½-½ | 57 | 1982 | Havana Radio Rebelde | B22 Sicilian, Alapin |
| 7. J Cuellar vs L Sieiro Gonzalez |
| ½-½ | 42 | 1982 | Havana Radio Rebelde | A04 Reti Opening |
| 8. N Velez Betancourt vs L Sieiro Gonzalez |
| 0-1 | 25 | 1982 | Havana Radio Rebelde | A14 English |
| 9. L Sieiro Gonzalez vs R Mateo |
| ½-½ | 26 | 1982 | Havana Radio Rebelde | B88 Sicilian, Fischer-Sozin Attack |
| 10. L Sieiro Gonzalez vs L Ortega |
| ½-½ | 13 | 1982 | Havana Radio Rebelde | B18 Caro-Kann, Classical |
| 11. L Sieiro Gonzalez vs A Campos Ruiz |
| 1-0 | 60 | 1982 | Havana Radio Rebelde | B30 Sicilian |
| 12. G Estevez Morales vs L Sieiro Gonzalez |
| 0-1 | 29 | 1982 | Havana Radio Rebelde | D56 Queen's Gambit Declined |
| 13. L Sieiro Gonzalez vs M O Chaviano Espina |
| 1-0 | 21 | 1982 | Havana Radio Rebelde | B62 Sicilian, Richter-Rauzer |
| 14. J Boudy Bueno vs L Sieiro Gonzalez |
| 0-1 | 26 | 1982 | Havana Radio Rebelde | D57 Queen's Gambit Declined, Lasker Defense |
| 15. J A Gonzalez Rodriguez vs L Sieiro Gonzalez |
| ½-½ | 11 | 1982 | Havana Radio Rebelde | C25 Vienna |
| 16. L Sieiro Gonzalez vs A Rodriguez |
| ½-½ | 12 | 1983 | Havana-B | C50 Giuoco Piano |
| 17. M Rivas Pastor vs L Sieiro Gonzalez |
| 1-0 | 37 | 1983 | Havana-B | D37 Queen's Gambit Declined |
| 18. L Sieiro Gonzalez vs R Vera |
| 0-1 | 22 | 1983 | Havana-B | B97 Sicilian, Najdorf |
| 19. L Sieiro Gonzalez vs F Braga |
| ½-½ | 23 | 1983 | Havana-B | C18 French, Winawer |
| 20. L Sieiro Gonzalez vs A Rodriguez |
| ½-½ | 10 | 1984 | CUB-ch | B63 Sicilian, Richter-Rauzer Attack |
| 21. Gipslis vs L Sieiro Gonzalez |
 | 1-0 | 30 | 1984 | Radio | C42 Petrov Defense |
| 22. F Braga vs L Sieiro Gonzalez |
| 1-0 | 22 | 1984 | CUB | B22 Sicilian, Alapin |
| 23. J Boudy Bueno vs L Sieiro Gonzalez |
| ½-½ | 48 | 1986 | Havana | C07 French, Tarrasch |
| 24. L Sieiro Gonzalez vs V Lukov |
| ½-½ | 9 | 1986 | Rio Gallegos prel | B93 Sicilian, Najdorf, 6.f4 |
| 25. D Canda vs L Sieiro Gonzalez |
| ½-½ | 29 | 1986 | Camaguey | C51 Evans Gambit |
Kibitzing
