| Sigurvaldason, Hjalmar1469 | 0-1 | Fridthjofsson, Sigurjon Thor1812 | Reykjavik Congress 2020 | 2020 |
| Sigurbjornsson, S1986 | 1-0 | Sigurvaldason, Hjalmar1467 | GAMMA Reykjavik Open 2019 | 2019 |
| Valtysson, T1915 | 1-0 | Sigurvaldason, Hjalmar1467 | GAMMA Reykjavik Open 2019 | 2019 |
| Sigurvaldason, Hjalmar1467 | 0-1 | Forster, W1856 | GAMMA Reykjavik Open 2019 | 2019 |
| Bergsson, St2172 | 1-0 | Sigurvaldason, Hjalmar1528 | Reykjavik Congress 2019 | 2019 |
| Valtysson, T1947 | 1-0 | Sigurvaldason, Hjalmar1538 | Icelandic Open 2018 | 2018 |
| Sigurvaldason, Hjalmar1538 | 0-1 | Briem, Stephan1957 | Icelandic Open 2018 | 2018 |
| Kristinsson, Ba2219 | 1-0 | Sigurvaldason, Hjalmar1538 | Icelandic Open 2018 | 2018 |
| Mirza, Diana1849 | 1-0 | Sigurvaldason, Hjalmar1499 | Reykjavik Open 2018 | 2018 |
| Sigurvaldason, Hjalmar1499 | 0-1 | Magnusson, M2023 | Reykjavik Open 2018 | 2018 |
| Sigurvaldason, Hjalmar1499 | 0-1 | Van den Bersselaar, Henri1956 | Reykjavik Open 2018 | 2018 |
| Sigurvaldason, Hjalmar1499 | 0-1 | Andrason, P1858 | Reykjavik Open 2018 | 2018 |
| Briem, Stephan1890 | 1-0 | Sigurvaldason, Hjalmar1491 | Reykjavik Congress 2018 | 2018 |
| Bjornsson, Si2288 | 1-0 | Sigurvaldason, Hjalmar1491 | Reykjavik Congress 2018 | 2018 |
| Sigurvaldason, Hjalmar1491 | 0-1 | Heimisson, Hilmir Freyr2136 | Reykjavik Congress 2018 | 2018 |