| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. T Spanton vs R Cumming |
| ½-½ | 42 | 2010 | Hastings 2009/10 | C63 Ruy Lopez, Schliemann Defense |
| 27. P Straub vs R Cumming |
| 1-0 | 57 | 2010 | Hastings 2009/10 | E60 King's Indian Defense |
| 28. R Cumming vs R Haria |
| 0-1 | 33 | 2010 | Hastings 2009/10 | C02 French, Advance |
| 29. M Dean vs R Cumming |
 | 0-1 | 35 | 2010 | Hastings 2009/10 | B32 Sicilian |
| 30. M Brown vs R Cumming |
| ½-½ | 37 | 2010 | British Championship | B32 Sicilian |
| 31. R Cumming vs B C Addison |
| ½-½ | 14 | 2010 | British Championship | C45 Scotch Game |
| 32. P Padilla Cabero vs R Cumming |
| 1-0 | 32 | 2010 | British Championship | C02 French, Advance |
| 33. R Cumming vs P D Helbig |
| 1-0 | 68 | 2010 | British Championship | C60 Ruy Lopez |
| 34. R Cumming vs D Haydon |
| 0-1 | 47 | 2010 | British Championship | C02 French, Advance |
| 35. J N Sugden vs R Cumming |
| 0-1 | 49 | 2010 | British Championship | D87 Grunfeld, Exchange |
| 36. R Cumming vs D Spence |
| 0-1 | 37 | 2010 | British Championship | C02 French, Advance |
| 37. G Salimbeni vs R Cumming |
| 1-0 | 44 | 2010 | British Championship | C53 Giuoco Piano |
| 38. R Cumming vs A Mayhew |
| ½-½ | 46 | 2010 | British Championship | B00 Uncommon King's Pawn Opening |
| 39. Tkachiev vs R Cumming |
| 1-0 | 33 | 2014 | London Chess Classic Open | A15 English |
| 40. R Cumming vs P Calderon |
| 1-0 | 72 | 2014 | London Chess Classic Open | B31 Sicilian, Rossolimo Variation |
| 41. I Kretov vs R Cumming |
| 0-1 | 53 | 2014 | London Chess Classic Open | D81 Grunfeld, Russian Variation |
| 42. R Cumming vs I Sanders |
| 1-0 | 52 | 2014 | London Chess Classic Open | C04 French, Tarrasch, Guimard Main line |
| 43. S Milliet vs R Cumming |
| 0-1 | 34 | 2014 | London Chess Classic Open | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 44. R Cumming vs D Sadzikowski |
 | ½-½ | 39 | 2014 | London Chess Classic Open | C27 Vienna Game |
| 45. J Dourerassou vs R Cumming |
| 1-0 | 41 | 2014 | London Chess Classic Open | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 46. D H Fernandez vs R Cumming |
| 1-0 | 52 | 2014 | London Chess Classic Open | D02 Queen's Pawn Game |
| 47. R Cumming vs P Haugli |
| 1-0 | 37 | 2014 | London Chess Classic Open | B21 Sicilian, 2.f4 and 2.d4 |
| 48. Lenderman vs R Cumming |
| ½-½ | 41 | 2015 | London Chess Classic Open | D94 Grunfeld |
| 49. T Sachdev vs R Cumming |
| 1-0 | 69 | 2015 | London Chess Classic Open | D81 Grunfeld, Russian Variation |
| 50. R Cumming vs M Dydak |
| 1-0 | 33 | 2015 | London Chess Classic Open | C10 French |
Kibitzing
