| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Kasparov vs O De la Riva Aguado |
| 1-0 | 35 |
1988 |
Barcelona | A16 English |
| 2. O De la Riva Aguado vs Illescas-Cordoba |
| ½-½ | 41 |
1991 |
Ch ESP | B46 Sicilian, Taimanov Variation |
| 3. O De la Riva Aguado vs Azmaiparashvili |
| 0-1 | 31 |
1991 |
Toledo | B00 Uncommon King's Pawn Opening |
| 4. Judit Polgar vs O De la Riva Aguado |
| 1-0 | 38 |
1991 |
Sebastian | C11 French |
| 5. O De la Riva Aguado vs F Izeta Chavarri |
| 0-1 | 49 |
1991 |
It (cat.8) | C25 Vienna |
| 6. Zsofia Polgar vs O De la Riva Aguado |
| 1-0 | 46 |
1991 |
San Sebastian (Spain) | B06 Robatsch |
| 7. O De la Riva Aguado vs J Reyes |
| ½-½ | 7 |
1991 |
It (cat.8) | C55 Two Knights Defense |
| 8. F Braga vs O De la Riva Aguado |
| ½-½ | 42 |
1991 |
3, Toledo [Hiarcs 7.32 (10s) | B06 Robatsch |
| 9. O De la Riva Aguado vs J Soto |
| 1-0 | 36 |
1992 |
Ch Spain (juniors) | C25 Vienna |
| 10. O De la Riva Aguado vs K Spraggett |
| ½-½ | 27 |
1993 |
Barcelona (Spain) | B50 Sicilian |
| 11. V Tukmakov vs O De la Riva Aguado |
| 1-0 | 22 |
1993 |
Barcelona | A81 Dutch |
| 12. O De la Riva Aguado vs F Braga |
| ½-½ | 33 |
1993 |
10s, it op Ibercaja ESP [Hiarcs 7.32 | B40 Sicilian |
| 13. Miles vs O De la Riva Aguado |
| 1-0 | 49 |
1993 |
Ibercaja op | B06 Robatsch |
| 14. O De la Riva Aguado vs F Braga |
| 1-0 | 45 |
1993 |
7, Barcelona UGA [Hiarcs 7.32 (10s) | B56 Sicilian |
| 15. O De la Riva Aguado vs San Claudio J |
| 1-0 | 63 |
1993 |
Ch Spain | C25 Vienna |
| 16. V Tukmakov vs O De la Riva Aguado |
| 0-1 | 54 |
1993 |
Zaragoza op | A40 Queen's Pawn Game |
| 17. O De la Riva Aguado vs J Mellado |
| ½-½ | 14 |
1993 |
Barcelona (Spain) | C25 Vienna |
| 18. O De la Riva Aguado vs Kharlov |
| 1-0 | 58 |
1994 |
Canete | B31 Sicilian, Rossolimo Variation |
| 19. O De la Riva Aguado vs Granda-Zuniga |
| 0-1 | 38 |
1995 |
Zaragoza IBERCAJA-A op | B30 Sicilian |
| 20. O De la Riva Aguado vs Razuvaev |
| 0-1 | 26 |
1996 |
Zaragoza op | B22 Sicilian, Alapin |
| 21. Y Kruppa vs O De la Riva Aguado |
| ½-½ | 19 |
1997 |
Berliner Sommer 15th | A85 Dutch, with c4 & Nc3 |
| 22. O De la Riva Aguado vs Kasimdzhanov |
| ½-½ | 24 |
1997 |
Corsica rap op | C14 French, Classical |
| 23. L Comas Fabrego vs O De la Riva Aguado |
| ½-½ | 17 |
1998 |
Pamplona International | A39 English, Symmetrical, Main line with d4 |
| 24. G Timoshenko vs O De la Riva Aguado |
| ½-½ | 22 |
1998 |
Ubeda op 3rd | A80 Dutch |
| 25. O De la Riva Aguado vs Van Wely |
| ½-½ | 36 |
1998 |
Pamplona International | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |