| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Harmon-Vellotti vs A Matikozian |
| ½-½ | 80 | 2012 | 2nd Metropolitan International | E73 King's Indian |
| 27. L Harmon-Vellotti vs G Garcia |
| ½-½ | 30 | 2012 | 2nd Metropolitan International | D91 Grunfeld, 5.Bg5 |
| 28. D Pruess vs L Harmon-Vellotti |
| 0-1 | 46 | 2012 | 2nd Metropolitan International | E17 Queen's Indian |
| 29. L Harmon-Vellotti vs M Khachiyan |
| ½-½ | 32 | 2012 | 2nd Metropolitan International | D91 Grunfeld, 5.Bg5 |
| 30. T Gelashvili vs L Harmon-Vellotti |
| ½-½ | 72 | 2012 | 22nd North American Open | A46 Queen's Pawn Game |
| 31. L Harmon-Vellotti vs K Troff |
 | 1-0 | 51 | 2013 | US Juniors | B90 Sicilian, Najdorf |
| 32. L Harmon-Vellotti vs Sevian |
| 0-1 | 30 | 2013 | US Juniors | C77 Ruy Lopez |
| 33. Xiong vs L Harmon-Vellotti |
| ½-½ | 44 | 2013 | US Juniors | C04 French, Tarrasch, Guimard Main line |
| 34. L Harmon-Vellotti vs L Karell |
| 1-0 | 38 | 2013 | 41st Annual World Open | D31 Queen's Gambit Declined |
| 35. G Kacheishvili vs L Harmon-Vellotti |
| 1-0 | 35 | 2013 | 41st Annual World Open | A25 English |
| 36. L Harmon-Vellotti vs S Chiang |
| 1-0 | 50 | 2013 | 41st Annual World Open | E32 Nimzo-Indian, Classical |
| 37. L Harmon-Vellotti vs M Leon Hoyos |
| 1-0 | 43 | 2013 | 41st Annual World Open | B74 Sicilian, Dragon, Classical |
| 38. J Friedel vs L Harmon-Vellotti |
| ½-½ | 64 | 2013 | 41st Annual World Open | A11 English, Caro-Kann Defensive System |
| 39. L Harmon-Vellotti vs L Gerzhoy |
| 1-0 | 42 | 2013 | 41st Annual World Open | E32 Nimzo-Indian, Classical |
| 40. M Molner vs L Harmon-Vellotti |
| ½-½ | 52 | 2013 | 41st Annual World Open | E17 Queen's Indian |
| 41. S Homa vs L Harmon-Vellotti |
| 1-0 | 30 | 2013 | 2nd Washington Int | C04 French, Tarrasch, Guimard Main line |
| 42. L Harmon-Vellotti vs Sevian |
| 1-0 | 62 | 2014 | ch-USA Junior | C67 Ruy Lopez |
| 43. L Harmon-Vellotti vs Xiong |
| ½-½ | 22 | 2014 | ch-USA Junior | D91 Grunfeld, 5.Bg5 |
| 44. L Harmon-Vellotti vs T Gareyev |
| ½-½ | 53 | 2014 | 42nd World Open | C63 Ruy Lopez, Schliemann Defense |
| 45. G Margvelashvili vs L Harmon-Vellotti |
| 1-0 | 36 | 2014 | 3rd Washington Int | E14 Queen's Indian |
| 46. L Harmon-Vellotti vs I Nyzhnyk |
| ½-½ | 18 | 2015 | 24th Chicago Open | D28 Queen's Gambit Accepted, Classical |
| 47. Sevian vs L Harmon-Vellotti |
| ½-½ | 20 | 2015 | 24th Chicago Open | A04 Reti Opening |
| 48. L Harmon-Vellotti vs K Troff |
| ½-½ | 71 | 2015 | 24th Chicago Open | D91 Grunfeld, 5.Bg5 |
| 49. L Harmon-Vellotti vs V Georgiev |
| 0-1 | 51 | 2015 | 24th Chicago Open | D15 Queen's Gambit Declined Slav |
| 50. I Chirila vs L Harmon-Vellotti |
| 1-0 | 52 | 2015 | 24th Chicago Open | E25 Nimzo-Indian, Samisch |
Kibitzing
