| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. G Jones vs M Arnold |
| ½-½ | 72 |
2011 |
Corsica Masters | A07 King's Indian Attack |
| 27. L Milman vs M Arnold |
| ½-½ | 42 |
2011 |
SPICE Cup (group B) | B56 Sicilian |
| 28. A Bykhovsky vs M Arnold |
| ½-½ | 9 |
2011 |
SPICE Cup (group B) | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 29. M Arnold vs D Yang |
| ½-½ | 26 |
2011 |
SPICE Cup (group B) | C07 French, Tarrasch |
| 30. A Grigoryan vs M Arnold |
| ½-½ | 62 |
2011 |
Corsica Masters | D02 Queen's Pawn Game |
| 31. B Arjun vs M Arnold |
| ½-½ | 30 |
2012 |
Reykjavik Open | A13 English |
| 32. K W Troff vs M Arnold |
| ½-½ | 30 |
2012 |
ch-USA Junior GpB | D35 Queen's Gambit Declined |
| 33. Smirin vs M Arnold |
| ½-½ | 38 |
2012 |
World Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 34. M Arnold vs V Erdos |
| ½-½ | 27 |
2012 |
Tradewise Gibraltar | D85 Grunfeld |
| 35. M Arnold vs J D Williams |
| ½-½ | 80 |
2012 |
ch-USA Junior GpB | A18 English, Mikenas-Carls |
| 36. M Arnold vs Y Shulman |
| ½-½ | 6 |
2012 |
World Open | B48 Sicilian, Taimanov Variation |
| 37. M Arnold vs Negi |
| ½-½ | 30 |
2012 |
Tradewise Gibraltar | D45 Queen's Gambit Declined Semi-Slav |
| 38. M Arnold vs R M Perez |
| ½-½ | 33 |
2012 |
ch-USA Junior GpB | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 39. M Arnold vs E Karavade |
| ½-½ | 58 |
2012 |
World Open | E13 Queen's Indian, 4.Nc3, Main line |
| 40. Akobian vs M Arnold |
| ½-½ | 33 |
2012 |
Tradewise Gibraltar | E10 Queen's Pawn Game |
| 41. D Naroditsky vs M Arnold |
| ½-½ | 31 |
2012 |
ch-USA Junior GpB | A07 King's Indian Attack |
| 42. M Arnold vs A Vuilleumier |
| ½-½ | 40 |
2012 |
Reykjavik Open | E10 Queen's Pawn Game |
| 43. A Getz vs M Arnold |
| ½-½ | 41 |
2012 |
ch-USA Junior Final | B81 Sicilian, Scheveningen, Keres Attack |
| 44. E Iturrizaga vs M Arnold |
| ½-½ | 70 |
2012 |
World Open | D44 Queen's Gambit Declined Semi-Slav |
| 45. M Arnold vs Y Shulman |
| ½-½ | 30 |
2013 |
US Chess Championships | C01 French, Exchange |
| 46. M Arnold vs S Sevian |
| ½-½ | 31 |
2013 |
US Chess Championships | D45 Queen's Gambit Declined Semi-Slav |
| 47. S Shankland vs M Arnold |
 | ½-½ | 31 |
2013 |
US Chess Championships | B43 Sicilian, Kan, 5.Nc3 |
| 48. M Khachiyan vs M Arnold |
 | ½-½ | 18 |
2013 |
US Chess Championships | D02 Queen's Pawn Game |