| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. N Alfred vs J Bass |
| ½-½ | 16 | 2011 | London Chess Classic Open | E11 Bogo-Indian Defense |
| 27. J Bass vs J Richardson |
| 0-1 | 26 | 2011 | London Chess Classic Open | D38 Queen's Gambit Declined, Ragozin Variation |
| 28. K Arkell vs J Bass |
| 1-0 | 63 | 2012 | London Chess Classic Open | D35 Queen's Gambit Declined |
| 29. J Bass vs J McDonnell |
| ½-½ | 25 | 2012 | London Chess Classic Open | D19 Queen's Gambit Declined Slav, Dutch |
| 30. M Othman vs J Bass |
| ½-½ | 53 | 2012 | London Chess Classic Open | B43 Sicilian, Kan, 5.Nc3 |
| 31. J Bass vs E O'Molloy |
| ½-½ | 37 | 2012 | London Chess Classic Open | D37 Queen's Gambit Declined |
| 32. M Marshall vs J Bass |
| 0-1 | 24 | 2012 | London Chess Classic Open | A20 English |
| 33. J Bass vs C Bates |
| ½-½ | 61 | 2012 | London Chess Classic Open | E41 Nimzo-Indian |
| 34. S J Roe vs J Bass |
| 1-0 | 90 | 2012 | London Chess Classic Open | A29 English, Four Knights, Kingside Fianchetto |
| 35. J Bass vs D Semcesen |
 | 0-1 | 37 | 2013 | London Chess Classic Open | A81 Dutch |
| 36. K Disu vs J Bass |
| 0-1 | 49 | 2013 | London Chess Classic Open | A22 English |
| 37. J Bass vs A Stephan |
| 0-1 | 69 | 2013 | London Chess Classic Open | D92 Grunfeld, 5.Bf4 |
| 38. J de Lagontrie vs J Bass |
| ½-½ | 19 | 2013 | London Chess Classic Open | E46 Nimzo-Indian |
| 39. J Bass vs S Jacob |
| ½-½ | 21 | 2013 | London Chess Classic Open | E69 King's Indian, Fianchetto, Classical Main line |
| 40. T Schmitz vs J Bass |
 | ½-½ | 22 | 2013 | London Chess Classic Open | B09 Pirc, Austrian Attack |
| 41. J Bass vs V Sagues |
| ½-½ | 34 | 2013 | London Chess Classic Open | D92 Grunfeld, 5.Bf4 |
| 42. S Whatley vs J Bass |
| ½-½ | 29 | 2013 | London Chess Classic Open | D02 Queen's Pawn Game |
| 43. J Bass vs R A Shaw |
| 1-0 | 30 | 2013 | London Chess Classic Open | A40 Queen's Pawn Game |
Kibitzing
