| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. K Edvardsson vs T Thorhallsson |
| 0-1 | 94 | 1997 | Hafnarfjordur | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 2. S Bekker-Jensen vs T Thorhallsson |
| ½-½ | 36 | 1998 | Politiken Cup | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 3. Y Teplitsky vs T Thorhallsson |
| ½-½ | 40 | 2001 | Elbow Beach Club GM-B | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 4. T Thorsteinsson vs T Thorhallsson |
| ½-½ | 11 | 2004 | ISL-ch | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 5. N Gerard vs T Thorhallsson |
| ½-½ | 32 | 2005 | Cappelle op 21st | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 6. G P Jonsson vs T Thorhallsson |
| 0-1 | 70 | 2020 | ch-ISL | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
Kibitzing
