| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G West vs O Jackson |
| ½-½ | 42 | 1985 | British Championship | B22 Sicilian, Alapin |
| 27. O Jackson vs Arkell |
| 0-1 | 39 | 1985 | British Championship | B23 Sicilian, Closed |
| 28. O Jackson vs Flear |
| ½-½ | 32 | 1987 | England | C30 King's Gambit Declined |
| 29. Timoscenko vs O Jackson |
| 1-0 | 31 | 1990 | Hastings Challengers 9091 | A52 Budapest Gambit |
| 30. O Jackson vs Adams |
  | 0-1 | 31 | 1991 | Sheffield | C33 King's Gambit Accepted |
| 31. Timoscenko vs O Jackson |
| 1-0 | 20 | 1991 | Hastings Challengers 9192 | A52 Budapest Gambit |
| 32. O Jackson vs B Thipsay |
| 1-0 | 30 | 1991 | British Championship | B17 Caro-Kann, Steinitz Variation |
| 33. P Thipsay vs O Jackson |
| 1-0 | 38 | 1991 | British Championship | B42 Sicilian, Kan |
| 34. O Jackson vs F Rayner |
| 1-0 | 43 | 1991 | British Championship | B23 Sicilian, Closed |
| 35. D Rosenberg vs O Jackson |
| 1-0 | 20 | 1991 | British Championship | A52 Budapest Gambit |
| 36. O Jackson vs Aylem M Salem |
| 1-0 | 30 | 1991 | British Championship | B00 Uncommon King's Pawn Opening |
| 37. D Coleman vs O Jackson |
| 0-1 | 91 | 1991 | British Championship | B42 Sicilian, Kan |
| 38. O Jackson vs Plaskett |
| 0-1 | 32 | 1991 | British Championship | B23 Sicilian, Closed |
| 39. T Mordue vs O Jackson |
| 1-0 | 50 | 1991 | British Championship | B42 Sicilian, Kan |
| 40. O Jackson vs A Mortazavi |
| 0-1 | 34 | 1991 | British Championship | C41 Philidor Defense |
| 41. O Jackson vs T Rahman |
| 1-0 | 35 | 1991 | British Championship | C33 King's Gambit Accepted |
| 42. R S McFarland vs O Jackson |
| 0-1 | 36 | 1991 | British Championship | A04 Reti Opening |
| 43. O Jackson vs J Rowson |
| 0-1 | 53 | 1992 | BCF-ch | C33 King's Gambit Accepted |
| 44. O Jackson vs M J Turner |
| 0-1 | 32 | 1995 | British Championship | B23 Sicilian, Closed |
| 45. O Jackson vs G Buckley |
| ½-½ | 89 | 1995 | British Championship | B23 Sicilian, Closed |
| 46. L Cooper vs O Jackson |
| ½-½ | 25 | 1995 | British Championship | A43 Old Benoni |
| 47. O Jackson vs D Mason |
| 0-1 | 23 | 1995 | British Championship | C39 King's Gambit Accepted |
| 48. P Byway vs O Jackson |
| 1-0 | 63 | 1995 | British Championship | D02 Queen's Pawn Game |
| 49. Hebden vs O Jackson |
| 1-0 | 40 | 1995 | British Championship | A46 Queen's Pawn Game |
| 50. S Ledger vs O Jackson |
| 0-1 | 39 | 1995 | British Championship | A41 Queen's Pawn Game (with ...d6) |
Kibitzing
