| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. S Barrientos-Chavarriaga vs R Antonio |
| ½-½ | 32 |
2006 |
37th Chess Olympiad | C16 French, Winawer |
| 27. H Simonsen vs S Barrientos-Chavarriaga |
| 0-1 | 46 |
2006 |
37th Chess Olympiad | A07 King's Indian Attack |
| 28. G Kacheishvili vs S Barrientos-Chavarriaga |
 | 1-0 | 17 |
2006 |
37th Chess Olympiad | D30 Queen's Gambit Declined |
| 29. S Barrientos-Chavarriaga vs M Bluvshtein |
| 1-0 | 38 |
2006 |
37th Chess Olympiad | B90 Sicilian, Najdorf |
| 30. S Barrientos-Chavarriaga vs A Brkic |
| 1-0 | 42 |
2006 |
37th Chess Olympiad | B90 Sicilian, Najdorf |
| 31. M Khuseinkhodzhaev vs S Barrientos-Chavarriaga |
| 1-0 | 50 |
2006 |
37th Chess Olympiad | E11 Bogo-Indian Defense |
| 32. R Terry vs S Barrientos-Chavarriaga |
| ½-½ | 43 |
2008 |
Pan-American Continental | D91 Grunfeld, 5.Bg5 |
| 33. M Poulsen vs S Barrientos-Chavarriaga |
| 0-1 | 33 |
2008 |
2008 Olympiad | D73 Neo-Grunfeld, 5.Nf3 |
| 34. L Rama vs S Barrientos-Chavarriaga |
| 0-1 | 39 |
2008 |
2008 Olympiad | A07 King's Indian Attack |
| 35. A Melekhina vs S Barrientos-Chavarriaga |
 | 0-1 | 71 |
2008 |
Pan-American Continental | B01 Scandinavian |
| 36. S Barrientos-Chavarriaga vs S Kristjansson |
| 0-1 | 54 |
2008 |
2008 Olympiad | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 37. S Barrientos-Chavarriaga vs W Teerapabpaisit |
| 1-0 | 48 |
2008 |
2008 Olympiad | B42 Sicilian, Kan |
| 38. S Barrientos-Chavarriaga vs P Charbonneau |
| ½-½ | 35 |
2008 |
2008 Olympiad | B45 Sicilian, Taimanov |
| 39. S Barrientos-Chavarriaga vs J Bick |
| 0-1 | 15 |
2008 |
Pan-American Continental | C43 Petrov, Modern Attack |
| 40. V Laznicka vs S Barrientos-Chavarriaga |
| 0-1 | 55 |
2008 |
2008 Olympiad | A45 Queen's Pawn Game |
| 41. A Aleksandrov vs S Barrientos-Chavarriaga |
| 1-0 | 45 |
2008 |
2008 Olympiad | D10 Queen's Gambit Declined Slav |
| 42. S Barrientos-Chavarriaga vs Dao Thien Hai |
| 0-1 | 47 |
2008 |
2008 Olympiad | B81 Sicilian, Scheveningen, Keres Attack |
| 43. Shabalov vs S Barrientos-Chavarriaga |
| 1-0 | 36 |
2008 |
Pan-American Continental | B48 Sicilian, Taimanov Variation |
| 44. S Barrientos-Chavarriaga vs A Betaneli |
| 1-0 | 35 |
2008 |
Pan-American Continental | C77 Ruy Lopez |
| 45. S Barrientos-Chavarriaga vs J Isaev |
| ½-½ | 70 |
2008 |
2008 Olympiad | B33 Sicilian |
| 46. S Barrientos-Chavarriaga vs S Bogner |
| 1-0 | 55 |
2008 |
2008 Olympiad | B92 Sicilian, Najdorf, Opocensky Variation |