| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Nykopp vs B A Jacobs |
| 0-1 | 30 | 1981 | Lewisham International | C78 Ruy Lopez |
| 27. L Smart vs J Nykopp |
| 0-1 | 43 | 1981 | Lewisham International | B43 Sicilian, Kan, 5.Nc3 |
| 28. J Gallagher vs J Nykopp |
| ½-½ | 18 | 1981 | Lewisham International | B22 Sicilian, Alapin |
| 29. J Nykopp vs N Povah |
| 1-0 | 42 | 1981 | Regency Masters | B33 Sicilian |
| 30. P Troeger vs J Nykopp |
| 0-1 | 60 | 1981 | Regency Masters | D02 Queen's Pawn Game |
| 31. J Nykopp vs J Cox |
| ½-½ | 86 | 1981 | Regency Masters | C07 French, Tarrasch |
| 32. J Fedorowicz vs J Nykopp |
| 1-0 | 36 | 1981 | Regency Masters | B42 Sicilian, Kan |
| 33. J Nykopp vs M Hebden |
| 0-1 | 42 | 1981 | Regency Masters | A58 Benko Gambit |
| 34. A Kuligowski vs J Nykopp |
| 1-0 | 38 | 1981 | Regency Masters | E00 Queen's Pawn Game |
| 35. J Nykopp vs G Flear |
| 1-0 | 41 | 1981 | Regency Masters | C77 Ruy Lopez |
| 36. Westerinen vs J Nykopp |
| 1-0 | 73 | 1981 | Regency Masters | B42 Sicilian, Kan |
| 37. C N J Rose vs J Nykopp |
| ½-½ | 73 | 1981 | Regency Masters | E41 Nimzo-Indian |
| 38. J Nykopp vs A Balshan |
| 0-1 | 34 | 1982 | Gausdal International | C60 Ruy Lopez |
| 39. A Semakoff vs J Nykopp |
| 1-0 | 33 | 1982 | Gausdal International | C44 King's Pawn Game |
| 40. G Andruet vs J Nykopp |
| ½-½ | 62 | 1982 | Gausdal International | E11 Bogo-Indian Defense |
| 41. A Saidy vs J Nykopp |
| 1-0 | 48 | 1982 | Gausdal International | E24 Nimzo-Indian, Samisch |
| 42. T Store vs J Nykopp |
| 1-0 | 20 | 1982 | Gausdal International | B20 Sicilian |
| 43. J Nykopp vs Kudrin |
| 0-1 | 54 | 1983 | Gausdal Int | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 44. D de Lange vs J Nykopp |
| ½-½ | 29 | 1983 | Gausdal Jubilee | A31 English, Symmetrical, Benoni Formation |
| 45. J Nykopp vs B Olsson |
| 1-0 | 86 | 1983 | Gausdal Jubilee | B31 Sicilian, Rossolimo Variation |
| 46. J Tisdall vs J Nykopp |
| ½-½ | 27 | 1983 | Gausdal Jubilee | D55 Queen's Gambit Declined |
| 47. H Schussler vs J Nykopp |
| 1-0 | 57 | 1983 | Gausdal Jubilee | D37 Queen's Gambit Declined |
| 48. J Nykopp vs J O Fries-Nielsen |
| ½-½ | 15 | 1983 | Gausdal Jubilee | B44 Sicilian |
| 49. M Pavlovic vs J Nykopp |
| 1-0 | 42 | 1983 | Gausdal Jubilee | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 50. J Nykopp vs W N Watson |
| 0-1 | 46 | 1983 | 7th Lloyds Bank Masters Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
Kibitzing
