| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. O De la Riva Aguado vs Illescas-Cordoba |
| ½-½ | 41 |
1991 |
Ch ESP | B46 Sicilian, Taimanov Variation |
| 2. O De la Riva Aguado vs F Braga |
| ½-½ | 33 |
1993 |
10s, it op Ibercaja ESP [Hiarcs 7.32 | B40 Sicilian |
| 3. O De la Riva Aguado vs K Spraggett |
| ½-½ | 27 |
1993 |
Barcelona (Spain) | B50 Sicilian |
| 4. O De la Riva Aguado vs F Braga |
| 1-0 | 45 |
1993 |
7, Barcelona UGA [Hiarcs 7.32 (10s) | B56 Sicilian |
| 5. O De la Riva Aguado vs Kharlov |
| 1-0 | 58 |
1994 |
Canete | B31 Sicilian, Rossolimo Variation |
| 6. O De la Riva Aguado vs Granda-Zuniga |
| 0-1 | 38 |
1995 |
Zaragoza IBERCAJA-A op | B30 Sicilian |
| 7. O De la Riva Aguado vs Razuvaev |
| 0-1 | 26 |
1996 |
Zaragoza op | B22 Sicilian, Alapin |
| 8. O De la Riva Aguado vs Van Wely |
| ½-½ | 36 |
1998 |
Pamplona International | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 9. O De la Riva Aguado vs Ivanchuk |
| ½-½ | 23 |
2000 |
34th Olympiad | B42 Sicilian, Kan |
| 10. O De la Riva Aguado vs Shirov |
| ½-½ | 64 |
2001 |
Banc Agricol Blitz | B90 Sicilian, Najdorf |
| 11. O De la Riva Aguado vs G Rechlis |
| ½-½ | 18 |
2001 |
TCh-FRA | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 12. O De la Riva Aguado vs Shirov |
| 1-0 | 37 |
2001 |
Banc Agricol Blitz | B90 Sicilian, Najdorf |
| 13. O De la Riva Aguado vs R Molander |
| ½-½ | 64 |
2001 |
open | B76 Sicilian, Dragon, Yugoslav Attack |
| 14. O De la Riva Aguado vs R Garcia |
| 1-0 | 61 |
2001 |
open | B42 Sicilian, Kan |
| 15. O De la Riva Aguado vs Shirov |
| 0-1 | 32 |
2001 |
Banc Agricol Blitz | B90 Sicilian, Najdorf |
| 16. O De la Riva Aguado vs Tomohiko Tamagishi |
 | 1-0 | 26 |
2002 |
Bled Olympiad | B90 Sicilian, Najdorf |
| 17. O De la Riva Aguado vs Sebastien Midoux |
| 0-1 | 41 |
2002 |
N2 VITROLLES - ORANGE | B27 Sicilian |
| 18. O De la Riva Aguado vs Andreas Van Elst |
| 1-0 | 38 |
2002 |
N2 ORANGE - CEITOULOUSE | B42 Sicilian, Kan |
| 19. O De la Riva Aguado vs Epishin |
| ½-½ | 33 |
2003 |
Andorra op 21st | B42 Sicilian, Kan |
| 20. O De la Riva Aguado vs M A Hidalgo Florido |
| 1-0 | 15 |
2003 |
Andorra-chA | B30 Sicilian |
| 21. O De la Riva Aguado vs L Williams |
| 1-0 | 15 |
2004 |
36th Olympiad | B40 Sicilian |
| 22. O De la Riva Aguado vs Grischuk |
 | 0-1 | 41 |
2004 |
36th Olympiad | B80 Sicilian, Scheveningen |
| 23. O De la Riva Aguado vs Karjakin |
| ½-½ | 22 |
2004 |
Pamplona Tournament | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 24. O De la Riva Aguado vs J Baules |
| 1-0 | 38 |
2004 |
36th Olympiad | B31 Sicilian, Rossolimo Variation |
| 25. O De la Riva Aguado vs H Hamdouchi |
| 1-0 | 66 |
2004 |
36th Olympiad | B30 Sicilian |