| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J A Finnsson vs H Sigurvaldason |
| 1-0 | 46 | 2019 | Reykjavik Open | B07 Pirc |
| 27. A Savage vs J A Finnsson |
| 0-1 | 41 | 2019 | Reykjavik Open | A02 Bird's Opening |
| 28. J A Finnsson vs S Thorhallsson |
| 0-1 | 44 | 2019 | Reykjavik Open | B50 Sicilian |
| 29. J A Finnsson vs B Hallmundarson |
| 1-0 | 45 | 2022 | Kvika Reykjavik Open | A00 Uncommon Opening |
| 30. A Collins vs J A Finnsson |
| ½-½ | 42 | 2022 | Kvika Reykjavik Open | B06 Robatsch |
| 31. J A Finnsson vs T Held |
| 1-0 | 38 | 2022 | Kvika Reykjavik Open | A00 Uncommon Opening |
| 32. M De Wachter vs J A Finnsson |
| 1-0 | 33 | 2022 | Kvika Reykjavik Open | A41 Queen's Pawn Game (with ...d6) |
| 33. J A Finnsson vs A T Mai |
| 0-1 | 48 | 2022 | Kvika Reykjavik Open | A00 Uncommon Opening |
| 34. L Ptacnikova vs J A Finnsson |
| 1-0 | 35 | 2022 | Kvika Reykjavik Open | B06 Robatsch |
| 35. J A Finnsson vs D Aziz |
| 0-1 | 66 | 2022 | Kvika Reykjavik Open | A00 Uncommon Opening |
| 36. S P Gudnyjarson vs J A Finnsson |
| 0-1 | 27 | 2022 | Kvika Reykjavik Open | A69 Benoni, Four Pawns Attack, Main line |
| 37. J A Finnsson vs J Sigeman |
| ½-½ | 35 | 2022 | Kvika Reykjavik Open | C46 Three Knights |
| 38. N Friedrich vs J A Finnsson |
 | 1-0 | 23 | 2022 | 37th European Chess Club Cup | B01 Scandinavian |
| 39. J A Finnsson vs Sigurdur Freyr Jonatansson |
| 1-0 | 34 | 2023 | Reykjavik Open | A15 English |
| 40. T Lang Nilsen vs J A Finnsson |
| 0-1 | 38 | 2023 | Reykjavik Open | B06 Robatsch |
Kibitzing
