| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. O de la Riva Aguado vs E Matsuura |
| 0-1 | 35 | 1986 | Wch U16 | C29 Vienna Gambit |
| 2. P Zarnicki vs O de la Riva Aguado |
| 0-1 | 64 | 1986 | Wch U16 | B40 Sicilian |
| 3. O de la Riva Aguado vs M Dluzniewski |
| 1-0 | 39 | 1987 | World Championship U16 | B10 Caro-Kann |
| 4. O de la Riva Aguado vs I Markovic |
| 1-0 | 49 | 1987 | World Championship U16 | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 5. O de la Riva Aguado vs A Lesiege |
| ½-½ | 56 | 1987 | World Championship U16 | B77 Sicilian, Dragon, Yugoslav Attack |
| 6. R Topakian vs O de la Riva Aguado |
| ½-½ | 46 | 1987 | World Championship U16 | B49 Sicilian, Taimanov Variation |
| 7. O de la Riva Aguado vs R Rabiega |
| ½-½ | 40 | 1987 | World Championship U16 | B80 Sicilian, Scheveningen |
| 8. P Sjodahl vs O de la Riva Aguado |
| ½-½ | 22 | 1987 | World Championship U16 | A56 Benoni Defense |
| 9. Delchev vs O de la Riva Aguado |
| 0-1 | 38 | 1987 | World Championship U16 | B40 Sicilian |
| 10. T Tsorbatzoglou vs O de la Riva Aguado |
| 1-0 | 17 | 1987 | World Championship U16 | D51 Queen's Gambit Declined |
| 11. Kasparov vs O de la Riva Aguado |
| 1-0 | 35 | 1988 | Simul, 7b | A16 English |
| 12. O de la Riva Aguado vs M Illescas |
| ½-½ | 41 | 1991 | Ch ESP | B46 Sicilian, Taimanov Variation |
| 13. S Cacho Reigadas vs O de la Riva Aguado |
| ½-½ | 13 | 1991 | ESP-ch | A40 Queen's Pawn Game |
| 14. O de la Riva Aguado vs Azmaiparashvili |
| 0-1 | 31 | 1991 | Toledo | B00 Uncommon King's Pawn Opening |
| 15. O de la Riva Aguado vs E Ubilava |
| ½-½ | 56 | 1991 | Toledo | B56 Sicilian |
| 16. F Braga vs O de la Riva Aguado |
| ½-½ | 42 | 1991 | Toledo | B06 Robatsch |
| 17. O de la Riva Aguado vs F Izeta Txabarri |
 | 0-1 | 49 | 1991 | Toledo | C28 Vienna Game |
| 18. A Martin Gonzalez vs O de la Riva Aguado |
| ½-½ | 29 | 1991 | Toledo | C10 French |
| 19. O de la Riva Aguado vs J M Gomez Esteban |
| 0-1 | 34 | 1991 | Toledo | A07 King's Indian Attack |
| 20. Z Franco Ocampos vs O de la Riva Aguado |
| ½-½ | 45 | 1991 | Toledo | A40 Queen's Pawn Game |
| 21. O de la Riva Aguado vs J Reyes |
| ½-½ | 7 | 1991 | Toledo | C55 Two Knights Defense |
| 22. V M Vehi Bach vs O de la Riva Aguado |
| ½-½ | 13 | 1991 | Toledo | C92 Ruy Lopez, Closed |
| 23. O de la Riva Aguado vs H Urday |
| 1-0 | 26 | 1991 | San Sebastian Open | B30 Sicilian |
| 24. J Polgar vs O de la Riva Aguado |
| 1-0 | 38 | 1991 | San Sebastian Open | C11 French |
| 25. S Polgar vs O de la Riva Aguado |
| 1-0 | 46 | 1991 | San Sebastian Open | B06 Robatsch |
Kibitzing
