| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. B Nickoloff vs J Vidarsson |
| 0-1 | 35 | 1988 | Saint John Open I | E21 Nimzo-Indian, Three Knights |
| 27. J Vidarsson vs M Gurevich |
| 0-1 | 40 | 1988 | Reykjavik Open | B80 Sicilian, Scheveningen |
| 28. L Christiansen vs J Vidarsson |
| 0-1 | 75 | 1988 | Reykjavik Open | E11 Bogo-Indian Defense |
| 29. J Vidarsson vs S D Sigfusson |
| 1-0 | 36 | 1988 | Reykjavik Open | B80 Sicilian, Scheveningen |
| 30. A Karason vs J Vidarsson |
| 0-1 | 39 | 1988 | Reykjavik Open | A04 Reti Opening |
| 31. S Polgar vs J Vidarsson |
| 1-0 | 64 | 1988 | Reykjavik Open | D02 Queen's Pawn Game |
| 32. J Vidarsson vs B Ostenstad |
| ½-½ | 75 | 1988 | Reykjavik Open | B08 Pirc, Classical |
| 33. K Thorsteins vs J Vidarsson |
| ½-½ | 53 | 1988 | Reykjavik Open | D31 Queen's Gambit Declined |
| 34. Polugaevsky vs J Vidarsson |
| 1-0 | 45 | 1988 | Reykjavik Open | D44 Queen's Gambit Declined Semi-Slav |
| 35. J Vidarsson vs R Akesson |
| ½-½ | 59 | 1988 | Reykjavik Open | D30 Queen's Gambit Declined |
| 36. Dolmatov vs J Vidarsson |
| ½-½ | 46 | 1988 | Akureyri | B01 Scandinavian |
| 37. J Vidarsson vs H Olafsson |
| 0-1 | 37 | 1988 | Akureyri | B80 Sicilian, Scheveningen |
| 38. Petursson vs J Vidarsson |
| 1-0 | 49 | 1988 | Akureyri | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 39. J Vidarsson vs Polugaevsky |
| 0-1 | 34 | 1988 | Akureyri | B93 Sicilian, Najdorf, 6.f4 |
| 40. K Thorsteins vs J Vidarsson |
| 1-0 | 39 | 1988 | Akureyri | E41 Nimzo-Indian |
| 41. J Vidarsson vs J Tisdall |
| 0-1 | 37 | 1988 | Akureyri | B44 Sicilian |
| 42. J Arnason vs J Vidarsson |
 | 1-0 | 41 | 1988 | Akureyri | B01 Scandinavian |
| 43. J Vidarsson vs Adorjan |
| ½-½ | 19 | 1988 | Akureyri | B10 Caro-Kann |
| 44. Hjartarson vs J Vidarsson |
| 1-0 | 48 | 1988 | Akureyri | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 45. M Gurevich vs J Vidarsson |
| 1-0 | 32 | 1988 | Akureyri | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 46. J Vidarsson vs O Kristjansson |
| ½-½ | 14 | 1988 | Akureyri | B45 Sicilian, Taimanov |
| 47. D Coleman vs J Vidarsson |
| 1-0 | 32 | 1988 | 12th Lloyds Bank Masters Open | C44 King's Pawn Game |
| 48. J Vidarsson vs Petursson |
| 0-1 | 62 | 1990 | Reykjavik Open | B06 Robatsch |
| 49. Kamsky vs J Vidarsson |
| 1-0 | 26 | 1990 | Reykjavik Open | E11 Bogo-Indian Defense |
| 50. J Vidarsson vs B Halldorsson |
| 1-0 | 36 | 1990 | Reykjavik Open | C91 Ruy Lopez, Closed |
Kibitzing
