| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. O Jackson vs M Armstrong |
| ½-½ | 34 |
2006 |
Hastings Chess Congress | C11 French |
| 27. M Karttunen vs O Jackson |
| 1-0 | 24 |
2006 |
European Union Individual Championships | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 28. R Webster vs O Jackson |
| 0-1 | 24 |
2006 |
Hastings Chess Congress | A20 English |
| 29. K Van der Weide vs O Jackson |
| ½-½ | 39 |
2006 |
European Union Individual Championships | B48 Sicilian, Taimanov Variation |
| 30. J Henrichsen vs O Jackson |
| ½-½ | 39 |
2006 |
Hastings Chess Congress | A52 Budapest Gambit |
| 31. O Jackson vs I Campbell |
| 1-0 | 58 |
2006 |
European Union Individual Championships | B02 Alekhine's Defense |
| 32. O Jackson vs D Haydon |
| ½-½ | 43 |
2006 |
Hastings Chess Congress | B23 Sicilian, Closed |
| 33. O Jackson vs Galego |
| 0-1 | 36 |
2006 |
European Union Individual Championships | B23 Sicilian, Closed |
| 34. O Jackson vs W Hendriks |
| 0-1 | 30 |
2006 |
Hastings Chess Congress | B23 Sicilian, Closed |
| 35. Conquest vs O Jackson |
| 1-0 | 36 |
2006 |
European Union Individual Championships | A04 Reti Opening |
| 36. J Humphreys vs O Jackson |
| 1-0 | 47 |
2006 |
Hastings Chess Congress | B43 Sicilian, Kan, 5.Nc3 |
| 37. A Legge vs O Jackson |
| 0-1 | 49 |
2006 |
European Union Individual Championships | B48 Sicilian, Taimanov Variation |
| 38. G O'Toole vs O Jackson |
| 0-1 | 31 |
2006 |
Hastings Chess Congress | B22 Sicilian, Alapin |
| 39. O Jackson vs D Grassie |
| 1-0 | 30 |
2006 |
European Union Individual Championships | C11 French |
| 40. T Abergel vs O Jackson |
| 1-0 | 17 |
2007 |
Isle of Man International | B81 Sicilian, Scheveningen, Keres Attack |
| 41. A Hagesaether vs O Jackson |
| 0-1 | 74 |
2007 |
83rd Hastings Chess Congress | B43 Sicilian, Kan, 5.Nc3 |
| 42. N Hutchinson vs O Jackson |
| 0-1 | 27 |
2007 |
Hastings Chess Congress | B40 Sicilian |
| 43. A Walton vs O Jackson |
| 1-0 | 28 |
2007 |
Isle of Man International | A45 Queen's Pawn Game |
| 44. O Jackson vs Krasenkow |
| 0-1 | 30 |
2007 |
Isle of Man International | B23 Sicilian, Closed |
| 45. O Jackson vs J Quinn |
 | 1-0 | 27 |
2007 |
83rd Hastings Chess Congress | C39 King's Gambit Accepted |
| 46. O Jackson vs R Phillips |
| ½-½ | 32 |
2007 |
Isle of Man International | C11 French |
| 47. M Pavlovic vs O Jackson |
| 0-1 | 42 |
2007 |
Isle of Man International | A41 Queen's Pawn Game (with ...d6) |
| 48. A Jain vs O Jackson |
| ½-½ | 35 |
2007 |
83rd Hastings Chess Congress | B43 Sicilian, Kan, 5.Nc3 |
| 49. E Shachar vs O Jackson |
| 1-0 | 47 |
2007 |
Isle of Man International | A04 Reti Opening |
| 50. O Jackson vs P Cafolla |
| 1-0 | 24 |
2007 |
Isle of Man International | B23 Sicilian, Closed |