| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Escobar Forero vs D Arenas |
| ½-½ | 41 |
2008 |
Pan-American Continental | D02 Queen's Pawn Game |
| 2. Shabalov vs D Arenas |
| 1-0 | 26 |
2008 |
Pan-American Continental | B20 Sicilian |
| 3. D Arenas vs M Leon Hoyos |
| 0-1 | 71 |
2008 |
Pan-American Continental | B12 Caro-Kann Defense |
| 4. D Arenas vs E Santarius |
| 1-0 | 51 |
2008 |
Pan-American Continental | C91 Ruy Lopez, Closed |
| 5. V Bhat vs D Arenas |
| 0-1 | 51 |
2008 |
Pan-American Continental | E94 King's Indian, Orthodox |
| 6. Stripunsky vs D Arenas |
| 1-0 | 42 |
2008 |
Pan-American Continental | B50 Sicilian |
| 7. D Arenas vs Garcia Alv |
| 1-0 | 37 |
2008 |
Pan-American Continental | C18 French, Winawer |
| 8. D Arenas vs M Gonzales |
| 1-0 | 29 |
2008 |
Pan-American Continental | B80 Sicilian, Scheveningen |
| 9. D Arenas vs J Ashwin |
| 1-0 | 40 |
2010 |
World Junior Championship | B90 Sicilian, Najdorf |
| 10. D Arenas vs A Ismagambetov |
| ½-½ | 30 |
2010 |
Chess Olympiad | C67 Ruy Lopez |
| 11. D Arenas vs A Gallego Alcaraz |
| 1-0 | 37 |
2010 |
Panam-Cont | B33 Sicilian |
| 12. N Huschenbeth vs D Arenas |
| 1-0 | 57 |
2010 |
World Junior Championship | B50 Sicilian |
| 13. D Arenas vs D Recuero Guerra |
| ½-½ | 12 |
2010 |
World Junior Championship | C55 Two Knights Defense |
| 14. D Arenas vs A Pridorozhni |
| 0-1 | 32 |
2010 |
Chess Olympiad | C41 Philidor Defense |
| 15. J Buitrago vs D Arenas |
| 0-1 | 47 |
2010 |
Panam-Cont | E91 King's Indian |
| 16. D Arenas vs Ngoc Lan Tran |
| 1-0 | 58 |
2010 |
World Junior Championship | C65 Ruy Lopez, Berlin Defense |
| 17. K Stupak vs D Arenas |
| ½-½ | 71 |
2010 |
Chess Olympiad | A40 Queen's Pawn Game |
| 18. J C Guerrero vs D Arenas |
| 0-1 | 42 |
2010 |
Panam-Cont | E94 King's Indian, Orthodox |
| 19. D Arenas vs A Diamant |
| 1-0 | 69 |
2010 |
World Junior Championship | B49 Sicilian, Taimanov Variation |
| 20. D Dvirnyy vs D Arenas |
| 1-0 | 27 |
2010 |
World Junior Championship | B72 Sicilian, Dragon |
| 21. D Arenas vs O Sepp |
| ½-½ | 109 |
2010 |
Chess Olympiad | C65 Ruy Lopez, Berlin Defense |
| 22. D Arenas vs H Contreras |
| 0-1 | 56 |
2010 |
Panam-Cont | B50 Sicilian |
| 23. V Durarbayli vs D Arenas |
| 1-0 | 39 |
2010 |
World Junior Championship | B77 Sicilian, Dragon, Yugoslav Attack |
| 24. D Arenas vs B Adhiban |
| ½-½ | 76 |
2010 |
Chess Olympiad | B12 Caro-Kann Defense |
| 25. D Arenas vs A C Salazar |
| 1-0 | 20 |
2010 |
Panam-Cont | B72 Sicilian, Dragon |