Sigurdur Freyr Jonatansson - Chess Player Overview
Last update: 20/08/2025 09:29:38 GMT+2
Player's activity: ON
Player's name: Sigurdur Freyr Jonatansson (ISL) 
Player's photo: (Search in Google Images)
Age: 56 years old (born in 1969)
Highest FIDE Elo achieved: 1731
Sigurdur Freyr Jonatansson Chess Games: 98
1677 (Rapid)
1684 (Blitz)
Sigurdur Freyr Jonatansson - Charts
FIDE Elo
Activity chart
Sigurdur Freyr Jonatansson - Chess Tournaments
| Date | Chess tournament name | Status |
|---|---|---|
| 2025-07-06 to 2025-07-06 | Skákmót Laugardalslaugar 2025 |
Finished |
| 2025-05-06 to 2025-05-06 | TR Rapid 2025 mai #1 |
Finished |
| 2025-03-18 to 2025-03-18 | TR Rapid 2025 Mars #3 |
Finished |
| 2025-02-18 to 2025-02-18 | TR Rapid 2025 Februar #3 |
Finished |
| 2024-12-01 to 2024-12-01 | Friðriksmót Landsbankans 2024 - Íslandsmótið í hraðskák |
Finished |
| 2024-10-04 to 2025-03-02 | Icelandic Team Championship 2024-25 - 3rd league |
Finished |
| 2024-10-04 to 2025-03-02 | Icelandic Team Championship 2024-25 - 4th div. |
Finished |
| 2024-08-26 to 2024-08-26 | Atkvold TG agúst 2024 |
Finished |
| 2024-07-20 to 2024-07-20 | The Icelandic International Chess Day Tournament 2024 |
Finished |
| 2024-05-13 to 2024-05-13 | Skákkvöld TG maí 2024 #2 |
Finished |
| 2024-04-22 to 2024-04-22 | Skakkvold TG Apríl 2024 #3 |
Finished |
| 2024-04-08 to 2024-04-08 | Skakkvold TG april 2024 #1 |
Finished |
| 2024-03-15 to 2024-03-21 | Reykjavik Open 2024 |
Finished |
| 2024-02-26 to 2024-02-26 | Skákkvöld TG 2024 feb #4 at |
Finished |
| 2024-02-19 to 2024-02-19 | Skákkvöld TG 2024 feb #3 |
Finished |
| 2024-01-23 to 2024-01-23 | TR Rapid 2024 Jan #4 |
Finished |
| 2024-01-22 to 2024-01-22 | Skákkvold TG 2024 jan #3 |
Finished |
| 2023-12-18 to 2023-12-18 | Skakkvold TG des 2023 #2 |
Finished |
| 2023-11-27 to 2023-11-20 | Skakkvold TG nov 2023 #3 |
Finished |
| 2023-11-13 to 2023-11-13 | Skákkvold TG 2023 nov #1 |
Finished |
| 2023-10-13 to 2024-03-03 | Icelandic Team Championship 2023-24 - 2nd div. |
Finished |
| 2023-10-02 to 2023-10-02 | Skákkvöld TG Okt 2023 #1 |
Finished |
| 2023-09-11 to 2023-09-11 | TGHrad_Sept2023#1 |
Finished |
| 2023-09-08 to 2023-09-27 | Haustmót T.R. 2023 - Opinn flokkur |
Finished |
| 2023-08-21 to 2023-08-21 | Borgarskákmótið 2023 |
Finished |
| 2023-03-30 to 2023-03-31 | TR Rapid 2023 Jan #1 |
Finished |
| 2023-03-30 to 2023-03-31 | Skákþing Reykjavíkur 2023 |
Finished |
| 2023-03-30 to 2023-03-31 | TR Rapid 2023 Jan #3 |
Finished |
| 2023-03-30 to 2023-03-31 | Skákmót öðlinga 2023 |
Finished |
| 2023-03-30 to 2023-03-31 | TR Rapid 2023 Mars #3 |
Finished |
| 2023-03-29 to 2023-04-04 | Reykjavik Open 2023 |
Finished |
| 2023-02-27 to 2023-02-20 | Skakhatid Fulltingis 2023 Hradskak |
Finished |
| 2023-01-09 to 2023-02-13 | Skakhatid Fulltingis 2023 B flokkur |
Finished |
| 2022-11-15 to 2022-11-15 | TR Rapid 2022 Nov #2 |
Finished |
| 2022-11-14 to 2022-11-14 | Hradskakmot Gardabaejar 2022 |
Finished |
| 2022-09-29 to 2022-09-29 | Æfing TG #5 2022 |
Finished |
| 2022-09-13 to 2022-09-13 | TR Rapid 2022 Sept #3 |
Finished |
| 2022-08-30 to 2022-08-30 | TR Rapid 2022 Agust #5 |
Finished |
| 2022-08-23 to 2022-08-23 | TR Rapid 2022 Agust #4 |
Finished |
| 2022-08-16 to 2022-08-16 | TR Rapid 2022 Agust #3 |
Finished |
| 2022-08-02 to 2022-08-02 | TR Rapid 2022 Agust #1 |
Finished |
| 2022-07-25 to 2022-07-25 | Meistaramót Vinaskákfélagsins í hraðskák 2022 |
Finished |
| 2022-07-09 to 2022-07-09 | Viðeyjarmótið 2022 |
Finished |
| 2022-06-21 to 2022-06-21 | TR Rapid 2022 June#2 |
Finished |
| 2022-06-07 to 2022-06-07 | TR Rapid 2022 June #1 |
Finished |
| 2022-05-07 to 2022-05-07 | TR Rapid 2022 July #1 |
Finished |
| 2022-03-08 to 2022-03-08 | TR Rapid 2022 Mar #1 |
Finished |
| 2022-02-22 to 2022-02-22 | TR Rapid 2022 Feb #4 |
Finished |
| 2022-02-15 to 2022-02-15 | TR Rapid 2022 Feb #3 |
Finished |
| 2022-02-07 to 2022-02-10 | Temprumót TG 2022 |
Finished |
| 2022-01-25 to 2022-01-25 | TR Rapid 2022 Jan #4 |
Finished |
| 2022-01-16 to 2022-02-13 | Skákþing Reykjavíkur 2022 |
Finished |
| 2022-01-11 to 2022-01-11 | TR Rapid 2022 Jan #2 |
Finished |
| 2021-12-14 to 2021-12-14 | TR Rapid 2021 Des #2 |
Finished |
| 2021-12-08 to 2021-12-08 | 2000 hraðskákmótið 2021 |
Finished |
| 2021-11-29 to 2021-11-30 | Atskákmót Rekjavíkur 2021 |
Finished |
| 2021-11-23 to 2021-11-23 | TR Rapid 2021 Nov#3 |
Finished |
| 2021-11-22 to 2021-11-22 | Hradskakmot Gardabaejar 2021 |
Finished |
| 2021-11-16 to 2021-11-16 | TR Rapid 2021 Nov#2 |
Finished |
| 2021-11-11 to 2021-11-14 | Skakthing Gardabaejar 2021 |
Finished |
| 2021-11-08 to 2021-11-09 | Atskákkeppni Taflfélaga 2021 |
Finished |
| 2021-10-25 to 2021-10-25 | Hraðskák TG 2021-12-13 |
Finished |
| 2021-10-01 to 2022-03-06 | Icelandic Team Championship 2021-22 - 2nd league |
Finished |
| 2021-07-26 to 2021-07-26 | Sumargeðmót Vinaskákfélagsins |
Finished |
| 2021-07-13 to 2021-07-13 | TR Rapid 2021 July #1 |
Finished |
| 2021-07-11 to 2021-07-11 | Viðeyjarmótið 2021 |
Finished |
| 2021-06-01 to 2021-01-07 | TR Rapid 2021 June #1 |
Finished |
| 2021-05-11 to 2021-05-11 | TR Rapid 2021 May #2 |
Finished |
| 2021-03-23 to 2021-03-23 | TR Rapid 2021 Mars #4 |
Finished |
| 2021-03-23 to 2021-03-23 | TR Rapid 2021 Mars #4 |
Finished |
| 2021-03-16 to 2021-03-16 | TR Rapid Tuesday Mar#3 |
Finished |
| 2021-01-17 to 2021-02-05 | Skákþing Reykjavíkur 2021 |
Finished |
| 2020-09-13 to 2020-10-02 | Haustmót TR C-flokkur |
Finished |
| 2020-09-01 to 2020-09-01 | TR Rapid 2020 Sept #1 |
Finished |
| 2020-07-27 to 2020-07-27 | Afmælisskákmót Róberts Lagermans 2020 |
Finished |
| 2020-06-30 to 2020-07-05 | TR Rapid 2020 June #5 |
Finished |
| 2020-06-21 to 2020-06-21 | Brim Blitz June 2020 |
Finished |
| 2020-06-02 to 2020-06-02 | Rapid Tuesday June 2020 |
Finished |
| 2020-03-03 to 2020-03-03 | TR Rapid 2020 IX |
Finished |
| 2020-02-25 to 2020-02-25 | TR Rapid 2021 May #1 |
Finished |
| 2020-01-07 to 2020-02-18 | Skákhátið MótX 2020 - B-flokkur |
Finished |
| 2020-01-05 to 2020-02-02 | Skákþing Reykjavíkur 2020 |
Finished |
| 2019-12-27 to 2019-12-27 | Jólahraðskákmót T.R. 2019 |
Finished |
| 2019-12-15 to 2019-12-15 | Skák í Paradís |
Finished |
| 2019-11-12 to 2019-11-12 | TR Rapid Tuesday XXII |
Finished |
| 2019-11-05 to 2019-11-05 | TR Tuesday XXI |
Finished |
| 2019-11-04 to 2019-11-04 | Hraðskákmót Garðabæjar 2019 |
Finished |
| 2019-10-16 to 2019-11-26 | U-2000 mót TR 2019 |
Finished |
| 2019-10-15 to 2019-10-15 | TR Tuesday Rapid XVIII |
Finished |
| 2019-10-10 to 2019-10-10 | Alþjóðlega geðheilbrigðismótið 2019 |
Finished |
| 2019-10-04 to 2021-03-07 | Icelandic Team Championship 2019-21 - 4th division |
Finished |
| 2019-09-29 to 2019-09-29 | Hraðskákmót Iðnó 2019 - Teflt við tjörn |
Finished |
| 2019-08-14 to 2019-08-14 | Stofan Blitz V |
Finished |
| 2019-07-30 to 2019-07-30 | TR Rapid Tuesday XI Þriðjudagsmót TR A-flokkur |
Finished |
| 2019-07-17 to 2019-07-17 | Stofan Blitz IV |
Finished |
| 2019-06-24 to 2019-06-24 | Meistaramót Vinaskákfélagsins í Hraðskák |
Finished |
| 2019-04-03 to 2019-04-03 | Hraðskákmót öðlinga 2019 |
Finished |
| 2019-02-06 to 2019-02-06 | Hraðskákmót Reykjavíkur 2019 |
Finished |
| 2019-01-06 to 2019-02-03 | Reykjavik Chess Congress 2019 Skákþing Reykjavíkur 2019 |
Finished |
| 2018-12-15 to 2018-12-15 | Friðriksmót Landsbankans 2019 - Íslandsmótið í hraðskák |
Finished |
| 2018-12-10 to 2018-12-10 | Hraðskákmót Garðabæjar 2018 |
Finished |
| 2018-12-03 to 2018-12-03 | Jólamót Stofunnar |
Finished |
| 2018-11-09 to 2019-03-02 | Icelandic Team Championship 2018-19 - 3rd division |
Finished |
| 2018-10-29 to 2018-10-29 | Hraðskákmót Hugins (s) 2018 |
Finished |
| 2018-10-10 to 2018-10-10 | Alþjóða geðheilbrigðismótið 2018 |
Finished |
| 2018-05-28 to 2018-05-28 | Hraðkvöld Hugins 28. maí 2018 |
Finished |
| 2018-05-09 to 2018-05-09 | Hraðskákmót öðlinga 2018 |
Finished |
| 2018-05-07 to 2018-05-07 | Hradkvold 27. nov. 2017 |
Finished |
| 2018-05-07 to 2018-05-07 | Hradkvold 27. nov. 2017 |
Finished |
| 2018-03-21 to 2018-05-02 | Skákmót öðlinga 2018 |
Finished |
| 2018-02-27 to 2018-02-27 | Hraðskákmót MótX 2018 |
Finished |
| 2018-02-05 to 2018-02-05 | Hraðkvöld 5. febrúar 2018 |
Finished |
| 2018-01-29 to 2018-01-29 | Hraðkvöld 29, janúar 2018 |
Finished |
| 2018-01-25 to 2018-01-25 | Íslandsmótið í Fischer-random 2018 |
Finished |
| 2018-01-09 to 2018-02-20 | Skákhátíð MótX b-flokkur |
Finished |
| 2018-01-08 to 2018-01-08 | Atkvöld 8. janúar 2018 |
Finished |
| 2017-12-16 to 2017-12-16 | Friðriksmót Landsbankans 2017 - Íslandsmótið í hraðskák |
Finished |
| 2017-11-27 to 2017-11-27 | Hradkvold 27. nov. 2017 |
Finished |
| 2017-11-20 to 2017-11-20 | Atskakmot Reykjavikur og atskakmot Hugins 2017 |
Finished |
| 2017-11-06 to 2017-11-06 | Hradkvöld 6. nóvember 2017 |
Finished |
| 2017-11-06 to 2017-11-06 | Hradkvöld 4. desember 2017 |
Finished |
| 2017-10-30 to 2017-10-30 | Atkvöld 30. okt. 2017 |
Finished |
| 2017-10-21 to 2018-03-03 | Icelandic Team Championship 2017-18 - 3. Divison |
Finished |
| 2017-10-20 to 2018-03-03 | Icelandic Team Championship 2017-18 4. Divison |
Finished |
| 2017-10-16 to 2017-10-16 | Hraðskákmót Hugins (s) 2017 |
Finished |
| 2017-10-12 to 2017-10-12 | Alþjóða geðheilbrigðismótið 2017 |
Finished |
| 2017-10-11 to 2017-11-29 | U-2000 mót TR 2017 |
Finished |
| 2017-09-27 to 2017-09-27 | Hraðskákmót T.R. 2017 |
Finished |
| 2017-08-23 to 2017-10-05 | Meistaramót Hugins 2017 (sudur) |
Finished |
| 2017-08-21 to 2017-08-21 | Hraðkvöld 21 ágúst 2017 |
Finished |
| 2017-05-29 to 2017-05-29 | Hradkvold Hugins 12. juni 2017 |
Finished |
| 2017-05-29 to 2017-05-29 | Hradkvold Hugins 29. mai 2017 |
Finished |
| 2017-05-08 to 2017-05-08 | Hradkvöld 8. mai 2017 |
Finished |
| 2017-02-06 to 2017-02-06 | Hradkvold Hugins 4. apríl 2017 |
Finished |
| 2017-02-06 to 2017-02-06 | Hradkvold Hugins 13. mars 2017 |
Finished |
| 2017-02-06 to 2017-02-06 | Hradkvold Hugins 6. febrúar 2017 |
Finished |
| 2017-01-08 to 2017-02-03 | Skákþing Reykjavíkur 2017 |
Finished |
| 2016-12-29 to 2016-12-29 | Jólahraðskákmót TR 2016 |
Finished |
| 2016-12-17 to 2016-12-17 | Friðriksmót Landsbankans 2016 - Íslandsmótið í hraðskák |
Finished |
| 2016-12-05 to 2016-12-05 | Hraðskákmót Garðabæjar 2016 |
Finished |
| 2016-10-17 to 2016-11-28 | Skákþing Garðabæjar 2016 |
Finished |
| 2016-09-30 to 2017-03-04 | Icelandic Team Championship 2016-17 - 3rd division |
Finished |
| 2016-09-30 to 2017-03-04 | Icelandic Team Championship 2016-17 - 4th division |
Finished |
| 2016-09-22 to 2016-09-22 | Kringluskákmótið 2016 |
Finished |
| 2016-08-31 to 2016-09-15 | Atkvöld 26. feb. 2018 |
Finished |
| 2016-08-31 to 2016-09-15 | Atkvöld 26. september 2016 |
Finished |
| 2016-05-30 to 2016-05-30 | Hradkvöld Hugins |
Finished |
| 2016-05-18 to 2016-05-18 | Hraðskákmót öðlinga 2016 |
Finished |
| 2016-03-21 to 2016-03-21 | Hradkvold 2. mai |
Finished |
| 2016-02-29 to 2016-02-29 | Atkvold Huginn 29. feb. 2016 |
Finished |
| 2016-02-07 to 2016-02-07 | Hradskakmot Reykjavikur 2016 |
Finished |
| 2016-01-03 to 2016-01-31 | Skákþing Reykjavíkur 2016 |
Finished |
| 2015-12-29 to 2015-12-29 | Jólahraðskákmót TR 2015 |
Finished |
| 2015-12-27 to 2015-12-27 | Atskákmót Icelandair 2015 - Íslandsmótið í atskák |
Finished |
| 2015-12-12 to 2015-12-12 | Friðriksmótið 2015 - Íslandsmótið í hraðskák |
Finished |
| 2015-11-30 to 2015-11-30 | Hraðkvöld 30. nóv. |
Finished |
| 2015-11-09 to 2015-11-09 | Hraðskákmót Hugins 2015 |
Finished |
| 2015-08-24 to 2015-09-07 | Meistaramót Hugins 2015 |
Finished |
| 2015-03-25 to 2015-05-13 | Skákmót öðlinga 2015 |
Finished |
| 2014-12-15 to 2014-12-15 | Hraðskákmót Garðabæjar 2014 |
Finished |
| 2014-11-03 to 2014-11-03 | Atskákmót Reykjavíkur 2014 |
Finished |
| 2014-10-03 to 2015-03-21 | Icelandic Team Championship 2014-15 - 3rd division |
Finished |
| 2014-08-21 to 2014-08-21 | Huginn Blitz Tournament 2014 |
Finished |
| 2014-01-06 to 2014-01-06 | Hellir |
Finished |
| 2013-12-16 to 2013-12-16 | Friðriksmót Landsbankans - Íslandsmótið í hraðskák 2014 |
Finished |
| 2013-12-16 to 2013-12-16 | Friðriksmót Landsbankans - Íslandsmótið í hraðskák 2013 |
Finished |
| 2013-11-25 to 2013-11-25 | Hraðkvöld GM Hellis 3. feb. 2014 |
Finished |
| 2013-08-19 to 2013-08-19 | Hellir Bliztournament 2013 |
Finished |
| 2006-08-25 to 2006-09-02 | Icelandic Championship 2006 - Challengers  |
Finished |
| 1915-06-01 to 1915-06-01 | Atkvöld 4. janúar 2015 |
Finished |
Sigurdur Freyr Jonatansson - Chess Games
Sigurdur Freyr Jonatansson - Chess Games
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Sigurdur Freyr Jonatansson - Other possible chess games
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2024.03.21 | Jonatansson,Sigurdur Freyr (1731) vs (1603) De Castro,Manuel Reykjavik Open 2024 Sicilian - Hungarian |
1/2-1/2 | B27 | |
| 2024.03.20 | Olafsson,Olafur Orn (1542) vs (1731) Jonatansson,Sigurdur Freyr Reykjavik Open 2024 Dutch - Rubinstein |
1-0 | A84 | |
| 2024.03.19 | Jonatansson,Sigurdur Freyr (1731) vs (1894) Airlie,Arran Reykjavik Open 2024 Caro-Kann - Maroczy |
0-1 | B12 | |
| 2024.03.18 | Gunnarsdottir,Eyrun Eva (1491) vs (1731) Jonatansson,Sigurdur Freyr Reykjavik Open 2024 Dutch |
0-1 | A84 | |
| 2024.03.18 | Jonatansson,Sigurdur Freyr (1731) vs (1857) Smith,Alexander Reykjavik Open 2024 Sicilian |
0-1 | B30 | |
| 2024.03.16 | Banerjee,Aryan (1896) vs (1731) Jonatansson,Sigurdur Freyr Reykjavik Open 2024 Reti - Wade |
1-0 | A04 | |
| 2024.03.16 | Jonatansson,Sigurdur Freyr (1731) vs (1434) Asgeirsson,Adalsteinn Egill Reykjavik Open 2024 Spanish Classical |
1-0 | C64 | |
| 2024.03.15 | Larkin,Benjamin (1914) vs (1731) Jonatansson,Sigurdur Freyr Reykjavik Open 2024 Sicilian Paulsen |
1-0 | B42 | |
| 2023.04.04 | Jonatansson,Sigurdur Freyr (1551) vs (1817) Jonsson,Ol Reykjavik Open 2023 Spanish Morphy |
0-1 | C77 | |
| 2023.04.03 | Lueck,Daniel vs (1551) Jonatansson,Sigurdur Freyr Reykjavik Open 2023 Sicilian Paulsen |
0-1 | B43 | |
| 2023.04.02 | Jonatansson,Sigurdur Freyr (1551) vs (1864) Haraldsson,Si Reykjavik Open 2023 Spanish Morphy |
0-1 | C77 | |
| 2023.04.01 | Rempe,Lennik (1154) vs (1551) Jonatansson,Sigurdur Freyr Reykjavik Open 2023 Sicilian |
0-1 | B40 | |
| 2023.04.01 | Banta,Robert Lance vs (1551) Jonatansson,Sigurdur Freyr Reykjavik Open 2023 King's Indian Schwarz (Fianchetto) |
1-0 | E72 | |
| 2023.03.31 | Jonatansson,Sigurdur Freyr (1551) vs (1837) Haugen,Lars Tormod Reykjavik Open 2023 Sicilian - Hungarian |
0-1 | B27 | |
| 2023.03.30 | Jonatansson,Sigurdur Freyr (1551) vs (1843) Krumm,Arthur Reykjavik Open 2023 Spanish - Cozio |
0-1 | C60 | |
| 2023.03.29 | Finnsson,Johann Arnar (1874) vs (1551) Jonatansson,Sigurdur Freyr Reykjavik Open 2023 English Anglo-Indian |
1-0 | A15 | |
| 2020.12.26 | Jonatansson,Sigurdur Freyr (1542) vs Arnarson,Hrafn ch-ISL Rapid 2020 Irregular King's Pawn |
1-0 | B00 | |
| 2020.12.26 | Segal,Maxime vs (1542) Jonatansson,Sigurdur Freyr ch-ISL Rapid 2020 Sicilian Paulsen |
0-1 | B43 | |
| 2020.12.26 | Jonatansson,Sigurdur Freyr (1542) vs (1632) Skarphedinsson,Ingvar Wu ch-ISL Rapid 2020 Spanish Morphy |
0-1 | C77 | |
| 2020.12.26 | Thorarensen,A (1665) vs (1542) Jonatansson,Sigurdur Freyr ch-ISL Rapid 2020 Indian |
1-0 | A45 | |
| 2020.12.26 | Jonatansson,Sigurdur Freyr (1542) vs Adhikari,Flovent Rigved ch-ISL Rapid 2020 Sicilian Moscow |
1-0 | B52 | |
| 2020.12.26 | Briem,Benedikt (1864) vs (1542) Jonatansson,Sigurdur Freyr ch-ISL Rapid 2020 King's Indian Schwarz - Semi-Averbakh |
1-0 | E73 | |
| 2020.12.26 | Jonatansson,Sigurdur Freyr (1542) vs (2153) Mai,Alexander Oliver ch-ISL Rapid 2020 Sicilian Barnes |
0-1 | B44 | |
| 2020.01.29 | Sigurdarson, Oddur vs (1651) Jonatansson, Sigurdur Freyr Reykjavik Congress 2020 Sicilian Paulsen |
0-1 | B43 | |
| 2020.01.26 | Jonatansson, Sigurdur Freyr (1651) vs (1114) Jonsson, Thorsteinn Emil Reykjavik Congress 2020 Spanish Morphy |
1/2-1/2 | C77 | |
| 2019.01.09 | Valsson, Arnar (1249) vs (1658) Jonatansson, Sigurdur Freyr Reykjavik Congress 2019 King's Indian Schwarz - Kramer |
1/2-1/2 | E70 | |
| 2019.01.13 | Jonatansson, Sigurdur Freyr (1658) vs (1168) Omarsson, Adam Reykjavik Congress 2019 French Paulsen |
1-0 | C11 | |
| 2019.01.16 | Olafsson, Arni (1301) vs (1658) Jonatansson, Sigurdur Freyr Reykjavik Congress 2019 Sicilian Paulsen |
0-1 | B42 | |
| 2019.01.27 | Jonsson, Ol (1806) vs (1658) Jonatansson, Sigurdur Freyr Reykjavik Congress 2019 Indian East Indian |
1/2-1/2 | A48 | |
| 2015.05.13 | Jonatansson, Sigurdu vs (1789) Fridthjofsdottir, S. Skakmot odlinga 2015 French Paulsen - Steinitz |
0-1 | C11 | |
| 2015.05.06 | Jonatansson, Sigurdu vs (1720) Thrainsson, B. Skakmot odlinga 2015 Spanish Morphy - Archangelsk |
1-0 | C78 | |
| 2015.04.29 | Aronsson, Gudmundur (1790) vs Jonatansson, Sigurdu Skakmot odlinga 2015 Sicilian Paulsen |
1-0 | B43 | |
| 2020.02.02 | Jonatansson, Sigurdur Freyr (1651) vs (1551) Jonasson, Hordur Reykjavik Congress 2020 Spanish Morphy |
1-0 | C77 | |
| 2015.04.22 | Jonatansson, Sigurdu vs (1961) Bjornsson, E. Skakmot odlinga 2015 Sicilian Alapin |
0-1 | B22 | |
| 2015.04.15 | Halldorsson, Kristja (1863) vs Jonatansson, Sigurdu Skakmot odlinga 2015 Indian - Trompowsky |
0-1 | A45 | |
| 2015.04.08 | Jonatansson, Sigurdu vs (1450) Sigurvaldason, Hjalm Skakmot odlinga 2015 Sicilian Alapin |
1-0 | B22 | |
| 2015.03.25 | Ontiveros, John (1774) vs Jonatansson, Sigurdu Skakmot odlinga 2015 Queen's Gambit Declined |
1-0 | D37 | |
| 2019.01.23 | Baldursson, Ha (1944) vs (1658) Jonatansson, Sigurdur Freyr Reykjavik Congress 2019 Indian East Indian - Torre |
1-0 | A48 | |
| 2019.01.20 | Jonatansson, Sigurdur Freyr (1658) vs (2045) Petursson, G Reykjavik Congress 2019 Spanish Schliemann |
1/2-1/2 | C63 | |
| 2014.10.04 | Gunnarsson, Arn (2435) vs (2076) Jonatansson, H. TCh-ISL Div 1 2014-15 English Anglo-Indian (Queen's Knight) |
0-1 | A16 | |
| 2014.10.04 | Thorhallsson, G. (2121) vs (2076) Jonatansson, H. TCh-ISL Div 1 2014-15 Alekhine - Exchange |
0-1 | B03 | |
| 2014.10.03 | Jonatansson, H. (2076) vs (2192) Johannesson, Oliver TCh-ISL Div 1 2014-15 Slav Dutch |
0-1 | D18 | |
| 2014.10.02 | Sverrisson, N. (2082) vs (2076) Jonatansson, H. TCh-ISL Div 1 2014-15 Alekhine - Exchange |
1-0 | B03 | |
| 2019.01.30 | Jonatansson, Sigurdur Freyr (1658) vs (2172) Bergsson, St Reykjavik Congress 2019 Spanish Schliemann |
0-1 | C63 | |
| 2019.01.06 | Jonatansson, Sigurdur Freyr (1658) vs (2296) Bjornsson, Si Reykjavik Congress 2019 Sicilian Moscow |
0-1 | B51 | |
| 2010.03.06 | Halldorsson, Ha (2216) vs (2067) Jonatansson, H. TCh-ISL 2009-10 Alekhine - Exchange |
1-0 | B03 | |
| 2009.09.26 | Jonatansson, H. (2067) vs (2110) Baldursson, Hr TCh-ISL 2009-10 Indian East Przepiorka |
0-1 | A49 | |
| 2005.03.05 | Kristjansson, B. (2302) vs (2057) Jonatansson, H. TCh-ISL 2004-5 Alekhine - Scandinavian |
1/2-1/2 | B02 | |
| 2005.03.04 | Jonatansson, H. (2057) vs (2211) Jensson, E. TCh-ISL 2004-5 Slav Rubinstein |
0-1 | D11 | |
| 2004.11.21 | Jonasson, B. (2297) vs (2057) Jonatansson, H. TCh-ISL 2004-5 Alekhine - Scandinavian |
1/2-1/2 | B02 | |
| 2004.11.20 | Einarsson, H. (2295) vs (2057) Jonatansson, H. TCh-ISL 2004-5 Old Benoni Pawn Thrust - Blockade |
1-0 | A44 | |
| 1998.03.12 | Schmied, A. (2155) vs Jonatansson, H. VISA Grand Prix Sicilian Macdonnell |
1/2-1/2 | B21 | |
| 1998.03.16 | Valgardsson, G. vs Jonatansson, H. VISA Grand Prix Sicilian Paulsen |
0-1 | B41 | |
| 1998.03.17 | Omarsson, H. vs Jonatansson, H. VISA Grand Prix Indian |
0-1 | A45 | |
| 1984.01.01 | Rigo, Janos vs Jonatansson Berlin Caro-Kann Knight Classical - Classical (Flohr) |
1-0 | B18 | |
| 1998.03.10 | Jonsson, B. (2380) vs Jonatansson, H. VISA Grand Prix Sicilian Paulsen |
1/2-1/2 | B43 | |
| 1998.03.15 | Jonatansson, H. vs Olafsson, T. VISA Grand Prix Indian Knight - Rubinstein |
0-1 | A46 | |
| 1998.03.18 | Jonatansson, H. vs (2160) Leosson, T. VISA Grand Prix Modern - Tartakower |
1-0 | A41 | |
| 1998.03.13 | Jonatansson, H. vs (2215) Fridjonsson, J. VISA Grand Prix Sicilian Scheveningen Najdorf |
0-1 | B95 | |
| 1998.03.11 | Jonatansson, H. vs (2285) Halldorsson, B. VISA Grand Prix Italian - Steinitz |
0-1 | C55 | |
| 1998.03.14 | Gunnarsson, A. (2195) vs Jonatansson, H. VISA Grand Prix Reti King's Indian |
1-0 | A08 |