| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. De la Riva Aguado vs O Rodriguez Vargas |
| 1-0 | 29 | 1991 | Barcelona | B56 Sicilian |
| 27. De la Riva Aguado vs J Soto Vega |
| 1-0 | 36 | 1992 | Ch Spain (juniors) | C25 Vienna |
| 28. S Grainger vs De la Riva Aguado |
| 0-1 | 44 | 1992 | World Junior Championship | A40 Queen's Pawn Game |
| 29. De la Riva Aguado vs H Spangenberg |
| ½-½ | 20 | 1992 | World Junior Championship | C10 French |
| 30. J Petrov vs De la Riva Aguado |
| ½-½ | 8 | 1992 | World Junior Championship | A04 Reti Opening |
| 31. S Silva Lillo vs De la Riva Aguado |
| 1-0 | 40 | 1992 | World Junior Championship | B06 Robatsch |
| 32. De la Riva Aguado vs J Sequera |
| 1-0 | 38 | 1992 | World Junior Championship | C17 French, Winawer, Advance |
| 33. De la Riva Aguado vs R Watanabe |
| 0-1 | 16 | 1992 | World Junior Championship | C41 Philidor Defense |
| 34. M Bezold vs De la Riva Aguado |
| ½-½ | 25 | 1992 | World Junior Championship | A00 Uncommon Opening |
| 35. De la Riva Aguado vs A Escobedo Tinajero |
| ½-½ | 45 | 1992 | World Junior Championship | C11 French |
| 36. E Relange vs De la Riva Aguado |
| ½-½ | 33 | 1992 | World Junior Championship | C02 French, Advance |
| 37. P H Nielsen vs De la Riva Aguado |
| 1-0 | 41 | 1992 | World Junior Championship | B43 Sicilian, Kan, 5.Nc3 |
| 38. De la Riva Aguado vs Vescovi |
| 1-0 | 62 | 1992 | World Junior Championship | B70 Sicilian, Dragon Variation |
| 39. De la Riva Aguado vs Milov |
| 1-0 | 42 | 1992 | World Junior Championship | B30 Sicilian |
| 40. D Reinderman vs De la Riva Aguado |
| 1-0 | 18 | 1992 | World Junior Championship | C11 French |
| 41. De la Riva Aguado vs Ulybin |
| ½-½ | 26 | 1993 | Zaragoza op | C11 French |
| 42. De la Riva Aguado vs Victor Soto Balastegui |
| 1-0 | 27 | 1993 | Sitges Open | C11 French |
| 43. De la Riva Aguado vs P Martinez |
| 1-0 | 35 | 1993 | Sitges Open | B80 Sicilian, Scheveningen |
| 44. S Serrano Marhuenda vs De la Riva Aguado |
| 0-1 | 39 | 1993 | Sitges Open | A21 English |
| 45. De la Riva Aguado vs J Magem Badals |
| ½-½ | 19 | 1993 | Sitges Open | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 46. I Farago vs De la Riva Aguado |
| ½-½ | 28 | 1993 | Benasque op | E75 King's Indian, Averbakh, Main line |
| 47. M Arbouche vs De la Riva Aguado |
| 0-1 | 30 | 1993 | Sitges Open | A07 King's Indian Attack |
| 48. De la Riva Aguado vs F Braga |
| 1-0 | 45 | 1993 | Barcelona UGA | B56 Sicilian |
| 49. De la Riva Aguado vs R Vera |
| 0-1 | 30 | 1993 | Sitges Open | B80 Sicilian, Scheveningen |
| 50. Miles vs De la Riva Aguado |
| 1-0 | 49 | 1993 | Ibercaja op | A40 Queen's Pawn Game |
Kibitzing
