| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. M Larrea vs Leitao |
| 0-1 | 31 |
2006 |
37th Chess Olympiad | B23 Sicilian, Closed |
| 27. M Larrea vs J Cueto |
| 1-0 | 35 |
2006 |
37th Chess Olympiad | C41 Philidor Defense |
| 28. Holi Ali Moawia Ahmed vs M Larrea |
| 0-1 | 50 |
2006 |
37th Chess Olympiad | B30 Sicilian |
| 29. I Yarmonov vs M Larrea |
 | 0-1 | 73 |
2006 |
37th Chess Olympiad | E75 King's Indian, Averbakh, Main line |
| 30. K Chumfwa vs M Larrea |
| 0-1 | 39 |
2006 |
37th Chess Olympiad | E91 King's Indian |
| 31. Y Ramsingh vs M Larrea |
| 0-1 | 38 |
2006 |
37th Chess Olympiad | B23 Sicilian, Closed |
| 32. P Khetho vs M Larrea |
| ½-½ | 55 |
2008 |
2008 Olympiad | B23 Sicilian, Closed |
| 33. C Coppola vs M Larrea |
| 0-1 | 45 |
2008 |
ch-URU | E67 King's Indian, Fianchetto |
| 34. M Larrea vs S Fancy |
| 1-0 | 23 |
2008 |
2008 Olympiad | C41 Philidor Defense |
| 35. A Durante vs M Larrea |
| 1-0 | 44 |
2008 |
ch-URU | B22 Sicilian, Alapin |
| 36. B Roselli Mailhe vs M Larrea |
| ½-½ | 46 |
2008 |
ch-URU | A45 Queen's Pawn Game |
| 37. M Larrea vs F Peralta |
| 0-1 | 27 |
2008 |
2008 Olympiad | B09 Pirc, Austrian Attack |
| 38. N Gonzalez vs M Larrea |
| 0-1 | 55 |
2008 |
ch-URU | E15 Queen's Indian |
| 39. P Pazos-Gambarrotti vs M Larrea |
| 1-0 | 52 |
2008 |
2008 Olympiad | E70 King's Indian |
| 40. M Larrea vs A Guerrero |
| 0-1 | 45 |
2008 |
ch-URU | B25 Sicilian, Closed |
| 41. C Michel Yunis vs M Larrea |
| ½-½ | 31 |
2008 |
2008 Olympiad | E92 King's Indian |
| 42. J Lopez Falcon vs M Larrea |
| ½-½ | 36 |
2008 |
ch-URU | E67 King's Indian, Fianchetto |
| 43. M Larrea vs K Sebih |
| 1-0 | 82 |
2008 |
2008 Olympiad | C55 Two Knights Defense |
| 44. A Donatti vs M Larrea |
| 0-1 | 46 |
2008 |
ch-URU | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 45. M Larrea vs Y Pelletier |
| 0-1 | 58 |
2008 |
2008 Olympiad | A07 King's Indian Attack |
| 46. M Larrea vs G Carvalho |
| ½-½ | 18 |
2008 |
ch-URU | C55 Two Knights Defense |
| 47. Jo Cueto vs M Larrea |
| 1-0 | 32 |
2008 |
2008 Olympiad | A45 Queen's Pawn Game |
| 48. M Larrea vs Sa Rodriguez |
| 1-0 | 33 |
2008 |
ch-URU | B01 Scandinavian |
| 49. E Hossain vs M Larrea |
| 1-0 | 39 |
2008 |
2008 Olympiad | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 50. M Larrea vs M Arcos Facio |
| 1-0 | 39 |
2008 |
ch-URU | C50 Giuoco Piano |