| Round 3 on 2023/10/14 at 17:30 |
| Bo. | 4 | Hrókar alls fagnaðar | Rtg | - | 6 | Taflfélag Garðabæjar c-sveit | Rtg | 5 : 1 |
| 1.1 | | | 2013 | - | | | 1903 | ½ - ½ |
| 1.2 | | | 1897 | - | | | 1866 | 1 - 0 |
| 1.3 | | | 1953 | - | | | 1870 | 1 - 0 |
| 1.4 | | | 1779 | - | | | 1865 | 1 - 0 |
| 1.5 | | | 1821 | - | | | Sigurdur Freyr Jonatansson |
| 1731 | ½ - ½ |
| 1.6 | | | 1542 | - | | | 1576 | 1 - 0 |
| Bo. | 7 | Taflfélag Reykjavíkur d-sveit | Rtg | - | 2 | Skákfélag Akureyrar b-sveit | Rtg | 1½:4½ |
| 2.1 | | | 1766 | - | | | 1991 | 0 - 1 |
| 2.2 | | | 1747 | - | | | 1959 | 0 - 1 |
| 2.3 | | | 1687 | - | | | 1945 | ½ - ½ |
| 2.4 | | | 1678 | - | | | 1928 | 0 - 1 |
| 2.5 | | | 1791 | - | | | Elsa Maria Kristinardottir |
| 1910 | 1 - 0 |
| 2.6 | | | 1606 | - | | | 1900 | 0 - 1 |
| Bo. | 1 | Skákdeild KR b-sveit | Rtg | - | 3 | Taflfélag Reykjavíkur c-sveit | Rtg | 3½:2½ |
| 3.1 | | | 2000 | - | | | 1976 | ½ - ½ |
| 3.2 | | | 1989 | - | | | 1965 | ½ - ½ |
| 3.3 | | | 1725 | - | | | 1849 | 1 - 0 |
| 3.4 | | | 0 | - | | | 1860 | 1 - 0 |
| 3.5 | | | 1801 | - | | | Sigurl. Regina Fridthjofsdottir |
| 1756 | ½ - ½ |
| 3.6 | | | 1899 | - | | | Roberto Eduardo Osorio Ferrer |
| 1776 | 0 - 1 |
| Bo. | 5 | Skáksamband Austurlands | Rtg | - | 8 | Breiðablik c-sveit | Rtg | 4½:1½ |
| 4.1 | | | 2012 | - | | | 1780 | 1 - 0 |
| 4.2 | | | 1950 | - | | | 1806 | 1 - 0 |
| 4.3 | | | 1906 | - | | | Matthias Bjorgvin Kjartansson |
| 1893 | 0 - 1 |
| 4.4 | | | 1829 | - | | | Engilbert Vidar Eythorsson |
| 1743 | 1 - 0 |
| 4.5 | | | 1803 | - | | | Sigurdur Pall Gudnyjarson |
| 1789 | ½ - ½ |
| 4.6 | | | 1772 | - | | | 1758 | 1 - 0 |