Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. R Mateo vs Nunn |
| 0-1 | 39 | 1978 | Buenos Aires Olympiad | B53 Sicilian |
2. Chang Tung Lo vs R Mateo |
| ½-½ | 54 | 1978 | Buenos Aires Olympiad | A58 Benko Gambit |
3. M Ahmed Bakali vs R Mateo |
| 0-1 | 18 | 1978 | Buenos Aires Olympiad | B32 Sicilian |
4. R Mateo vs T Catalan |
| 0-1 | 35 | 1978 | Buenos Aires Olympiad | B33 Sicilian |
5. T Upton vs R Mateo |
| 1-0 | 28 | 1978 | Buenos Aires Olympiad | C05 French, Tarrasch |
6. R Mateo vs de Firmian |
| 0-1 | 42 | 1980 | Valletta Olympiad | A14 English |
7. R Mateo vs N Chudleigh |
| 1-0 | 29 | 1980 | Valletta Olympiad | A15 English |
8. M Levy vs R Mateo |
| 0-1 | 31 | 1980 | Valletta Olympiad | B21 Sicilian, 2.f4 and 2.d4 |
9. T Shaw vs R Mateo |
| 1-0 | 21 | 1980 | Valletta Olympiad | B16 Caro-Kann, Bronstein-Larsen Variation |
10. R Mateo vs W Wittmann |
| ½-½ | 50 | 1980 | Valletta Olympiad | A37 English, Symmetrical |
11. L Sieiro Gonzalez vs R Mateo |
| ½-½ | 26 | 1982 | Havana Radio Rebelde | B88 Sicilian, Fischer-Sozin Attack |
12. R Mateo vs L Ortega |
| ½-½ | 20 | 1982 | Havana Radio Rebelde | A14 English |
13. J A Gonzalez Rodriguez vs R Mateo |
| 0-1 | 40 | 1982 | Havana Radio Rebelde | A34 English, Symmetrical |
14. R Mateo vs J Cuellar |
| 1-0 | 42 | 1982 | Havana Radio Rebelde | B40 Sicilian |
15. J A Hedman Senarega vs R Mateo |
| 0-1 | 55 | 1982 | Havana Radio Rebelde | A34 English, Symmetrical |
16. R Mateo vs A Campos Ruiz |
| 1-0 | 26 | 1982 | Havana Radio Rebelde | A15 English |
17. R Mateo vs J Ochoa |
| 0-1 | 59 | 1982 | Havana Radio Rebelde | D07 Queen's Gambit Declined, Chigorin Defense |
18. G Estevez Morales vs R Mateo |
| 1-0 | 54 | 1982 | Havana Radio Rebelde | E14 Queen's Indian |
19. R Mateo vs M O Chaviano Espina |
| 1-0 | 47 | 1982 | Havana Radio Rebelde | B45 Sicilian, Taimanov |
20. R Mateo vs N Velez Betancourt |
| 1-0 | 24 | 1982 | Havana Radio Rebelde | B32 Sicilian |
21. J Boudy Bueno vs R Mateo |
| 0-1 | 45 | 1982 | Havana Radio Rebelde | C93 Ruy Lopez, Closed, Smyslov Defense |
22. D Iglesias vs R Mateo |
| 0-1 | 30 | 1982 | Lucerne Olympiad | B22 Sicilian, Alapin |
23. J Rubinetti vs R Mateo |
| ½-½ | 47 | 1982 | Lucerne Olympiad | A17 English |
24. R Mateo vs T Caiafas |
| 0-1 | 42 | 1982 | Lucerne Olympiad | E62 King's Indian, Fianchetto |
25. C Cain vs R Mateo |
| 0-1 | 67 | 1982 | Lucerne Olympiad | A25 English |