| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. N Carvajal vs D Mieles Palau |
| 1-0 | 46 |
2001 |
I American Continental | B33 Sicilian |
| 2. D Mieles Palau vs C Juarez Flores |
| 0-1 | 34 |
2001 |
I American Continental | A13 English |
| 3. Leitao vs D Mieles Palau |
| 1-0 | 25 |
2001 |
I American Continental | B31 Sicilian, Rossolimo Variation |
| 4. D Mieles Palau vs Y Teplitsky |
 | 0-1 | 30 |
2002 |
Bled Olympiad | B56 Sicilian |
| 5. D Mieles Palau vs L Valenzuela Fuentealba |
| 0-1 | 67 |
2002 |
Bled Olympiad | B53 Sicilian |
| 6. Hector vs D Mieles Palau |
| 1-0 | 36 |
2002 |
Bled Olympiad | B30 Sicilian |
| 7. Kaidanov vs D Mieles Palau |
| 1-0 | 30 |
2003 |
Torneo Continental Americano | E08 Catalan, Closed |
| 8. O Zambrana vs D Mieles Palau |
| 1-0 | 35 |
2003 |
Torneo Continental Americano | B33 Sicilian |
| 9. H Alvarez Castillo vs D Mieles Palau |
| 1-0 | 55 |
2003 |
Torneo Continental Americano | B24 Sicilian, Closed |
| 10. E Moser vs D Mieles Palau |
| 1-0 | 38 |
2004 |
36th Olympiad | A07 King's Indian Attack |
| 11. R Prasca Sosa vs D Mieles Palau |
| 1-0 | 60 |
2004 |
36th Olympiad | B22 Sicilian, Alapin |
| 12. D Mieles Palau vs M Marin |
| 0-1 | 42 |
2004 |
36th Olympiad | B07 Pirc |
| 13. D Mieles Palau vs B Predojevic |
| 0-1 | 46 |
2004 |
36th Olympiad | A21 English |
| 14. Shabalov vs D Mieles Palau |
| 1-0 | 39 |
2005 |
American Continental Championship | B33 Sicilian |
| 15. D Pacheco vs D Mieles Palau |
| 1-0 | 48 |
2005 |
American Continental Championship | E05 Catalan, Open, Classical line |
| 16. D Mieles Palau vs Shredder |
| 0-1 | 36 |
2005 |
Mercosur Cup | B45 Sicilian, Taimanov |
| 17. D Mieles Palau vs S Alonso |
| 0-1 | 26 |
2005 |
Mercosur Cup | B77 Sicilian, Dragon, Yugoslav Attack |
| 18. D Mieles Palau vs A De Dovitiis |
| 0-1 | 52 |
2005 |
American Continental Championship | C06 French, Tarrasch |
| 19. D Valerga vs D Mieles Palau |
| 1-0 | 29 |
2005 |
Mercosur Cup | B32 Sicilian |
| 20. J Gallagher vs D Mieles Palau |
| 1-0 | 38 |
2006 |
37th Chess Olympiad | B33 Sicilian |
| 21. V Georgiev vs D Mieles Palau |
| 1-0 | 26 |
2006 |
37th Chess Olympiad | D35 Queen's Gambit Declined |
| 22. D Laylo vs D Mieles Palau |
| 1-0 | 47 |
2006 |
37th Chess Olympiad | D04 Queen's Pawn Game |
| 23. K Amer vs D Mieles Palau |
| 1-0 | 86 |
2010 |
Chess Olympiad | A02 Bird's Opening |
| 24. H Banikas vs D Mieles Palau |
| 1-0 | 44 |
2012 |
Chess Olympiad | D37 Queen's Gambit Declined |
| 25. M Jurcik vs D Mieles Palau |
| 1-0 | 23 |
2012 |
Chess Olympiad | B70 Sicilian, Dragon Variation |
