| FideId | Nafn | RatingStd | +- | Flokkur | Kyn | Félag | Club id | Virkur |
|---|---|---|---|---|---|---|---|---|
| 2303850 | Jakob Sævar Sigurðsson | 1858 | 21-49 | Karl | Goðinn | 48 | ✔ | |
| 2322668 | Jakub Sokól | 1439 | 38 | U14 | Karl | Utan félaga - 2024 | 51 | ✔ |
| 2317540 | Johann Helgi Hreinsson | 1646 | U16 | Karl | Breiðablik | 27 | ✔ | |
| 2316102 | Josef Omarsson | 1935 | 20 | U14 | Karl | TR | 30 | ✔ |
| 2327503 | Jóel Tobiasson Helmer | 1404 | 1 | U14 | Karl | TR | 30 | ✔ |
| 2308240 | Jóhann Arnar Finnsson | 1944 | 21-49 | Karl | Fjölnir | 3 | ✔ | |
| 2302217 | Jóhann Helgi Sigurðsson | 1974 | S50 | Karl | TG | 28 | ✔ | |
| 2300044 | Jóhann Hjartarson | 2453 | S50 | Karl | Víkingaklúbburinn | 37 | ✔ | |
| 2301040 | Jóhann Hjörtur Ragnarsson | 1911 | S50 | Karl | TG | 28 | ✔ | |
| 2301431 | Jóhann Ingvason | 2114 | S50 | Karl | TV | 32 | ✔ | |
| 2321688 | Jóhann Jónsson | 1890 | S50 | Karl | TG | 28 | ✔ | |
| 2301644 | Jóhann Óli Eiðsson | 1860 | 21-49 | Karl | Hrókar alls fagnaðar | 44 | ✔ | |
| 2318199 | Jóhann Valdimarsson | 1626 | S50 | Karl | Vinaskákfélagið | 19 | ✔ | |
| 2303108 | Jóhanna Björg Jóhannsdóttir | 2002 | 21-49 | Kona | TG | 28 | ✔ | |
| 2302756 | Jóhannes Ingi Árnason | 1633 | 21-49 | Karl | TR | 30 | ✔ | |
| 2301059 | Jón Arnljótsson | 1841 | 1 | S50 | Karl | Sauðárkrókur | 17 | ✔ |
| 2301075 | Jón Árni Halldórsson | 2079 | S50 | Karl | Fjölnir | 3 | ✔ | |
| 2311569 | Jón Eggert Hallsson | 1863 | 21-49 | Karl | TG | 28 | ✔ | |
| 2305674 | Jón Einar Karlsson | 1738 | 21-49 | Karl | Vinaskákfélagið | 19 | ✔ | |
| 2307332 | Jón Jóhannesson | 1897 | S50 | Karl | Víkingaklúbburinn | 37 | ✔ | |
| 2307731 | Jón Kristinn Þorgeirsson | 2262 | 1 | 21-49 | Karl | SA | 16 | ✔ |
| 2300141 | Jón Kristinsson | 2090 | S65 | Karl | KR | 12 | ✔ | |
| 2300036 | Jón Loftur Árnason | 2421 | S50 | Karl | Víkingaklúbburinn | 37 | ✔ | |
| 2320622 | Jón Louie F Thoroddsen | 1499 | 36 | U12 | Karl | TR | 30 | ✔ |
| 2306921 | Jón Magnússon | 1621 | 7 | S65 | Karl | SA | 16 | ✔ |
| 2305283 | Jón Magnússon | 1911 | S50 | Karl | TG | 28 | ✔ | |
| 2326426 | Jón Oddur Jónsson | 1631 | 21-49 | Karl | Fjölnir | 3 | ✔ | |
| 2308738 | Jón Úlfljótsson | 1808 | S65 | Karl | Víkingaklúbburinn | 37 | ✔ | |
| 2323206 | Jón Úlfur Hafþórsson | 1718 | 1 | 21-49 | Karl | Fjölnir | 3 | ✔ |
| 2300931 | Jón Viktor Gunnarsson | 2448 | 21-49 | Karl | TR | 30 | ✔ |