| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Y Quezada vs R Mateo |
| ½-½ | 12 |
2001 |
XXXVI Capablanca Mem Premier I | A04 Reti Opening |
| 27. C Ancheyta-Tejas vs R Mateo |
| ½-½ | 43 |
2001 |
IX Guillermo Garcia Mem Alfil | B41 Sicilian, Kan |
| 28. M Gongora vs R Mateo |
| ½-½ | 40 |
2001 |
XXXVI Capablanca Mem Premier I | B42 Sicilian, Kan |
| 29. H Pecorelli Garcia vs R Mateo |
| 1-0 | 26 |
2001 |
IX Guillermo Garcia Mem Alfil | A36 English |
| 30. R Mateo vs J Borges Mateos |
| ½-½ | 10 |
2001 |
XXXVI Capablanca Mem Premier I | A44 Old Benoni Defense |
| 31. R Mateo vs F Gomez |
| 1-0 | 35 |
2001 |
IX Guillermo Garcia Mem Alfil | A15 English |
| 32. Z Franco-Ocampos vs R Mateo |
| 1-0 | 33 |
2001 |
XXXVI Capablanca Mem Premier I | A46 Queen's Pawn Game |
| 33. R Mateo vs R Reinaldo Castineira |
| 1-0 | 43 |
2001 |
XXXVI Capablanca Mem Premier I | C05 French, Tarrasch |
| 34. R Mateo vs J Nogueiras |
| 0-1 | 62 |
2001 |
IX Guillermo Garcia Mem Alfil | C11 French |
| 35. P Pazos-Gambarrotti vs R Mateo |
| ½-½ | 19 |
2001 |
XXXVI Capablanca Mem Premier I | E10 Queen's Pawn Game |
| 36. R Mateo vs R Leyva |
| ½-½ | 8 |
2001 |
XXXVI Capablanca Mem Premier I | B62 Sicilian, Richter-Rauzer |
| 37. S Garcia-Martinez vs R Mateo |
| ½-½ | 14 |
2001 |
XXXVI Capablanca Mem Premier I | A53 Old Indian |
| 38. H Pecorelli Garcia vs R Mateo |
| ½-½ | 29 |
2001 |
XXXVI Capablanca Mem Premier I | A22 English |
| 39. I Herrera vs R Mateo |
| 1-0 | 45 |
2001 |
IX Guillermo Garcia Mem Alfil | B42 Sicilian, Kan |
| 40. R Mateo vs R Vazquez |
| 0-1 | 44 |
2001 |
XXXVI Capablanca Mem Premier I | B40 Sicilian |
| 41. R Perez vs R Mateo |
| ½-½ | 13 |
2001 |
XXXVI Capablanca Mem Premier I | B60 Sicilian, Richter-Rauzer |
| 42. I Teran-Alvarez vs R Mateo |
| ½-½ | 9 |
2001 |
IX Guillermo Garcia Mem Alfil | A04 Reti Opening |
| 43. R Mateo vs P Szekely |
| ½-½ | 17 |
2001 |
XXXVI Capablanca Mem Premier I | B93 Sicilian, Najdorf, 6.f4 |
| 44. R Mateo vs S Garcia-Martinez |
| ½-½ | 21 |
2001 |
IX Guillermo Garcia Mem Alfil | B93 Sicilian, Najdorf, 6.f4 |
| 45. R Mateo vs L Valdes |
| ½-½ | 28 |
2001 |
XXXVI Capablanca Mem Premier I | A85 Dutch, with c4 & Nc3 |
| 46. R Mateo vs N Delgado |
| 0-1 | 28 |
2001 |
IX Guillermo Garcia Mem Alfil | E13 Queen's Indian, 4.Nc3, Main line |
| 47. R Mateo vs W Elliott |
| 1-0 | 42 |
2002 |
Bled Olympiad | B33 Sicilian |
| 48. R Mateo vs I Morovic |
| ½-½ | 73 |
2002 |
Bled Olympiad | C07 French, Tarrasch |
| 49. S Belkhodja vs R Mateo |
| ½-½ | 81 |
2002 |
Bled Olympiad | B42 Sicilian, Kan |
| 50. A Kulashko vs R Mateo |
| 0-1 | 37 |
2002 |
Bled Olympiad | B43 Sicilian, Kan, 5.Nc3 |