Johann Hjartarson
Country
ISL
Birth Year
1963
Gender
M
Title
Grandmaster
FIDE ID
2300044
FIDE Rating
2484
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-11-16 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 5.19 | Aleksandr Ostrovskiy | Johann Hjartarson | 0-1 | 29 | Open |
| 2 | 2025-11-15 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 4.11 | Johann Hjartarson | Helgi Ass Gretarsson | 1-0 | 34 | Open |
| 3 | 2025-11-15 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 3.11 | Conor O`Donnell | Johann Hjartarson | 0-1 | 69 | Open |
| 4 | 2025-11-14 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 2.19 | Johann Hjartarson | Egor Bogdanov | 1/2-1/2 | 15 | Open |
| 5 | 2025-10-19 | 40th ECC Open 2025 | Rhodes GRE | 1.37 | Johann Hjartarson | Boris Gelfand | 0-1 | 28 | Open |
| 6 | 2025-04-15 | Reykjavik Open 2025 | Reykjavik ISL | 9.5 | Johann Hjartarson | Velimir Ivic | 0-1 | 29 | Open |
| 7 | 2025-04-14 | Reykjavik Open 2025 | Reykjavik ISL | 8.15 | Havard Haug | Johann Hjartarson | 0-1 | 41 | Open |
| 8 | 2025-04-13 | Reykjavik Open 2025 | Reykjavik ISL | 7.3 | Eltaj Safarli | Johann Hjartarson | 1-0 | 76 | Open |
| 9 | 2025-04-13 | Reykjavik Open 2025 | Reykjavik ISL | 6.11 | Johann Hjartarson | Kevin Terrieux | 1-0 | 27 | Open |
| 10 | 2025-04-12 | Reykjavik Open 2025 | Reykjavik ISL | 5.16 | Tangi Migot | Johann Hjartarson | 0-1 | 36 | Open |
| 11 | 2025-04-11 | Reykjavik Open 2025 | Reykjavik ISL | 4.16 | Johann Hjartarson | Felix Borne | 1/2-1/2 | 51 | Open |
| 12 | 2025-04-10 | Reykjavik Open 2025 | Reykjavik ISL | 2.2 | Johann Hjartarson | Ferdinand, Dr. Unzicker | 1-0 | 44 | Open |
| 13 | 2025-04-09 | Reykjavik Open 2025 | Reykjavik ISL | 1.26 | Toni Ponnio | Johann Hjartarson | 0-1 | 31 | Open |
| 14 | 2025-02-26 | World Senior Teams +50 | Prague CZE | 9.1 | Johann Hjartarson | Lubomir Ftacnik | 1/2-1/2 | 34 | Open |
| 15 | 2025-02-25 | World Senior Teams +50 | Prague CZE | 8.1 | Alberto David | Johann Hjartarson | 1/2-1/2 | 15 | Open |
| 16 | 2025-02-24 | World Senior Teams +50 | Prague CZE | 7.1 | Mark Van der Werf | Johann Hjartarson | 0-1 | 40 | Open |
| 17 | 2025-02-23 | World Senior Teams +50 | Prague CZE | 6.1 | Johann Hjartarson | Michael Adams | 0-1 | 36 | Open |
| 18 | 2025-02-20 | World Senior Teams +50 | Prague CZE | 4.1 | Johann Hjartarson | Murtas Kazhgaleyev | 0-1 | 53 | Open |
| 19 | 2025-02-19 | World Senior Teams +50 | Prague CZE | 3.1 | Pin Wang | Johann Hjartarson | 0-1 | 41 | Open |
| 20 | 2025-02-18 | World Senior Teams +50 | Prague CZE | 2.1 | Johann Hjartarson | Nigel R Davies | 1/2-1/2 | 42 | Open |
| 21 | 2025-02-17 | World Senior Teams +50 | Prague CZE | 1.9 | Ingrid Lauterbach | Johann Hjartarson | 0-1 | 39 | Open |
| 22 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 9 | Johann Hjartarson | Yotam Shohat | 0-1 | 40 | Open |
| 23 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 8 | Bich Ngoc Pham | Johann Hjartarson | 1/2-1/2 | 24 | Open |
| 24 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 7 | Bojan Maksimovic | Johann Hjartarson | 1-0 | 55 | Open |
| 25 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 6 | Johann Hjartarson | Pranav Senthilkumar | 1-0 | 36 | Open |
| 26 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 5 | Markus Ragger | Johann Hjartarson | 1-0 | 44 | Open |
| 27 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 4 | Johann Hjartarson | Evgeny V. Melikhov | 1-0 | 34 | Open |
| 28 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 3 | Johann Hjartarson | Sergei Zhigalko | 0-1 | 39 | Open |
| 29 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 2 | Alfeu Junior Varela Bueno | Johann Hjartarson | 0-1 | 50 | Open |
| 30 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 1 | Johann Hjartarson | Oleksandr Yevchenko | 1-0 | 35 | Open |
| 31 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 11 | Oleksii Karvatskyi | Johann Hjartarson | 0-1 | 38 | Open |
| 32 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 10 | Johann Hjartarson | Grant Peed | 1-0 | 39 | Open |
| 33 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 9 | Bardur Orn Birkisson | Johann Hjartarson | 0-1 | 44 | Open |
| 34 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 8 | Johann Hjartarson | Nagare Kaivalya Sandip | 0-1 | 60 | Open |
| 35 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 7 | Arnold Essing | Johann Hjartarson | 0-1 | 50 | Open |
| 36 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 6 | Mamikon Gharibyan | Johann Hjartarson | 1-0 | 77 | Open |
| 37 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 5 | Johann Hjartarson | Luis Fernandez Siles | 1-0 | 58 | Open |
| 38 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 4 | Gracjan Grzesik | Johann Hjartarson | 0-1 | 40 | Open |
| 39 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 3 | Tamas Banusz | Johann Hjartarson | 1-0 | 44 | Open |
| 40 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 2 | Johann Hjartarson | Shawn Rodrigue-Lemieux | 1/2-1/2 | 56 | Open |
| 41 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 1 | Johann Hjartarson | Andre Kunz | 1-0 | 53 | Open |
| 42 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 11 | Johann Hjartarson | Arman Erzhanov | 1-0 | 72 | Open |
| 43 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 10 | Harsh Suresh | Johann Hjartarson | 1-0 | 49 | Open |
| 44 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 9 | Johann Hjartarson | Tanitoluwa Adewumi | 1/2-1/2 | 59 | Open |
| 45 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 8 | Raymond Gao | Johann Hjartarson | 0-1 | 56 | Open |
| 46 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 7 | Johann Hjartarson | Joaquin Fiorito | 0-1 | 57 | Open |
| 47 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 6 | Johann Hjartarson | Erick Feitosa Da Silva | 1-0 | 40 | Open |
| 48 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 5 | Julian Estrada Nieto | Johann Hjartarson | 0-1 | 36 | Open |
| 49 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 4 | Johann Hjartarson | Sebastian Marin Posada | 1-0 | 30 | Open |
| 50 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 3 | Steven Cooklev | Johann Hjartarson | 1-0 | 41 | Open |
| 51 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 2 | Johann Hjartarson | Grigoriy Oparin | 0-1 | 44 | Open |
| 52 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 1 | Jose Ricardo Garcia Correa | Johann Hjartarson | 0-1 | 23 | Open |
| 53 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 11 | Johann Hjartarson | Juan Diego Bermudez Ureba | 1-0 | 53 | Open |
| 54 | 2025-01-21 | Titled Tue 21st Jan Late | chess.com INT | 10 | Saharsh Santosh | Johann Hjartarson | 1/2-1/2 | 31 | Open |
| 55 | 2025-01-15 | Titled Tue 14th Jan Late | chess.com INT | 11 | Johann Hjartarson | Andre Bold | 1-0 | 39 | Open |
| 56 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 9 | Johann Hjartarson | Kyle Zhuang | 1-0 | 47 | Open |
| 57 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 8 | Victor Labussiere | Johann Hjartarson | 1-0 | 60 | Open |
| 58 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 7 | Johann Hjartarson | Leonardo Tristan | 0-1 | 68 | Open |
| 59 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 6 | Andres Ferriz Barrios | Johann Hjartarson | 0-1 | 27 | Open |
| 60 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 5 | Johann Hjartarson | Carter Peatman | 1-0 | 59 | Open |
| 61 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 4 | Maksim Chigaev | Johann Hjartarson | 1-0 | 36 | Open |
| 62 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 3 | Shane Melaugh | Johann Hjartarson | 0-1 | 48 | Open |
| 63 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 2 | Johann Hjartarson | Rudik Makarian | 0-1 | 58 | Open |
| 64 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 1 | Adan Alvarez Perez | Johann Hjartarson | 0-1 | 20 | Open |
| 65 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 10 | Chelsie Monica Ignesias Sihite | Johann Hjartarson | 1-0 | 45 | Open |
| 66 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 9 | Casper Liu | Johann Hjartarson | 1/2-1/2 | 39 | Open |
| 67 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 8 | Johann Hjartarson | David Brodsky | 0-1 | 36 | Open |
| 68 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 7 | Guillermo Baches Garcia | Johann Hjartarson | 0-1 | 26 | Open |
| 69 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 6 | Johann Hjartarson | Mohamed Tissir | 1-0 | 26 | Open |
| 70 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 5 | Karsten Schulz | Johann Hjartarson | 1/2-1/2 | 61 | Open |
| 71 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 4 | Johann Hjartarson | Daniel Gutierrez Olivares | 0-1 | 27 | Open |
| 72 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 3 | Mahel Boyer | Johann Hjartarson | 1-0 | 52 | Open |
| 73 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 2 | Johann Hjartarson | Parham Maghsoodloo | 1-0 | 37 | Open |
| 74 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 1 | Santiago Jose Guevara Ruiz | Johann Hjartarson | 0-1 | 53 | Open |
| 75 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 11 | Raphael V. P. Patricio Alonso | Johann Hjartarson | 0-1 | 48 | Open |
| 76 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 10 | Johann Hjartarson | Irine Kharisma Sukandar | 0-1 | 46 | Open |
| 77 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 9 | Alexander Rustemov | Johann Hjartarson | 1-0 | 47 | Open |
| 78 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 8 | Mikhail Bryakin | Johann Hjartarson | 1/2-1/2 | 96 | Open |
| 79 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 7 | Johann Hjartarson | Ryo Chen | 1/2-1/2 | 117 | Open |
| 80 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 6 | Aidan Odenthal | Johann Hjartarson | 0-1 | 38 | Open |
| 81 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 5 | Johann Hjartarson | Vuk Damjanovic | 0-1 | 53 | Open |
| 82 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 4 | John Curtis | Johann Hjartarson | 0-1 | 51 | Open |
| 83 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 3 | Johann Hjartarson | Evgeny Alekseev | 0-1 | 56 | Open |
| 84 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 2 | Sam Shankland | Johann Hjartarson | 0-1 | 37 | Open |
| 85 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 1 | Carter Peatman | Johann Hjartarson | 0-1 | 56 | Open |
| 86 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 11 | Marko Sokac | Johann Hjartarson | 0-1 | 31 | Open |
| 87 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 10 | Johann Hjartarson | Casper Liu | 1-0 | 27 | Open |
| 88 | 2024-10-26 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 7.2 | Johann Hjartarson | Svyatoslav Bazakutsa | 0-1 | 59 | Open |
| 89 | 2024-10-25 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 6.28 | Johann Hjartarson | Saad Abobaker Elmi | 1/2-1/2 | 50 | Open |
| 90 | 2024-10-23 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 4.28 | Johann Hjartarson | Rhys Cumming | 0-1 | 33 | Open |
| 91 | 2024-10-22 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 3.18 | Ilia Smirin | Johann Hjartarson | 0-1 | 40 | Open |
| 92 | 2024-10-21 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 2.28 | Johann Hjartarson | Jonas Eilenberg | 1/2-1/2 | 32 | Open |
| 93 | 2024-10-20 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 1.7 | Alexey Sarana | Johann Hjartarson | 1-0 | 47 | Open |
| 94 | 2024-07-11 | World Senior Teams +50 | Krakow POL | 9.2 | William Paschall | Johann Hjartarson | 0-1 | 47 | Open |
| 95 | 2024-07-10 | World Senior Teams +50 | Krakow POL | 8.1 | Martin Mrva | Johann Hjartarson | 1-0 | 44 | Open |
| 96 | 2024-07-09 | World Senior Teams +50 | Krakow POL | 7.1 | Johann Hjartarson | Jaan Ehlvest | 1/2-1/2 | 21 | Open |
| 97 | 2024-07-07 | World Senior Teams +50 | Krakow POL | 6.2 | Johann Hjartarson | David H. Cummings | 1-0 | 46 | Open |
| 98 | 2024-07-06 | World Senior Teams +50 | Krakow POL | 5.2 | Michele Godena | Johann Hjartarson | 1/2-1/2 | 41 | Open |
| 99 | 2024-07-05 | World Senior Teams +50 | Krakow POL | 4.1 | Michael Adams | Johann Hjartarson | 1-0 | 19 | Open |
| 100 | 2024-07-04 | World Senior Teams +50 | Krakow POL | 3.2 | Alexander Kaspi | Johann Hjartarson | 0-1 | 70 | Open |
| 101 | 2024-07-03 | World Senior Teams +50 | Krakow POL | 2.2 | Johann Hjartarson | Dirk Lampe | 1-0 | 45 | Open |
| 102 | 2024-05-15 | TCh-EUR Senior +50 2024 | Catez SLO | 9.1 | Jens Ostergaard | Johann Hjartarson | 0-1 | 37 | Open |
| 103 | 2024-05-14 | TCh-EUR Senior +50 2024 | Catez SLO | 8.1 | Johann Hjartarson | Christof Sielecki | 1-0 | 27 | Open |
| 104 | 2024-05-13 | TCh-EUR Senior +50 2024 | Catez SLO | 7.1 | John M Emms | Johann Hjartarson | 1/2-1/2 | 48 | Open |
| 105 | 2024-05-12 | TCh-EUR Senior +50 2024 | Catez SLO | 6.1 | Johann Hjartarson | Martin Mrva | 1-0 | 35 | Open |
| 106 | 2024-05-11 | TCh-EUR Senior +50 2024 | Catez SLO | 5.1 | Alberto David | Johann Hjartarson | 1/2-1/2 | 30 | Open |
| 107 | 2024-05-10 | TCh-EUR Senior +50 2024 | Catez SLO | 4.1 | Johann Hjartarson | Csaba Csiszar | 1-0 | 40 | Open |
| 108 | 2024-05-08 | TCh-EUR Senior +50 2024 | Catez SLO | 2.1 | Johann Hjartarson | Stephen Dishman | 1-0 | 83 | Open |
| 109 | 2024-05-07 | TCh-EUR Senior +50 2024 | Catez SLO | 1.1 | Clive A Frostick | Johann Hjartarson | 0-1 | 32 | Open |
| 110 | 2024-03-21 | Reykjavik Open 2024 | Reykjavik ISL | 9.2 | Ferdinand, Dr. Unzicker | Johann Hjartarson | 0-1 | 31 | Open |
| 111 | 2024-03-20 | Reykjavik Open 2024 | Reykjavik ISL | 8.4 | Johann Hjartarson | Paulius Pultinevicius | 0-1 | 60 | Open |
| 112 | 2024-03-19 | Reykjavik Open 2024 | Reykjavik ISL | 7.17 | Jimmy Mardell | Johann Hjartarson | 0-1 | 31 | Open |
| 113 | 2024-03-18 | Reykjavik Open 2024 | Reykjavik ISL | 6.15 | Johann Hjartarson | Sushanth Kamabathula | 1/2-1/2 | 58 | Open |
| 114 | 2024-03-18 | Reykjavik Open 2024 | Reykjavik ISL | 5.16 | Daniel L Bisby | Johann Hjartarson | 0-1 | 55 | Open |
| 115 | 2024-03-17 | Reykjavik Open 2024 | Reykjavik ISL | 4.34 | Johann Hjartarson | Harry Li | 1-0 | 30 | Open |
| 116 | 2024-03-16 | Reykjavik Open 2024 | Reykjavik ISL | 3.85 | Hendrik Brackmann | Johann Hjartarson | 0-1 | 34 | Open |
| 117 | 2024-03-15 | Reykjavik Open 2024 | Reykjavik ISL | 1.26 | Johann Hjartarson | Lenka Ptacnikova | 1/2-1/2 | 50 | Open |
| 118 | 2024-03-03 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 10.2 | Johann Hjartarson | Aleksandr Domalchuk-Jonasson | 1/2-1/2 | 20 | Open |
| 119 | 2024-03-02 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 8.1 | Tomas Laurusas | Johann Hjartarson | 1/2-1/2 | 27 | Open |
| 120 | 2024-03-01 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 7.3 | Johann Hjartarson | Vignir Vatnar Stefansson | 0-1 | 75 | Open |
| 121 | 2024-02-29 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 6.2 | Milton Pantzar | Johann Hjartarson | 1/2-1/2 | 80 | Open |
| 122 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 9.12 | Johann Hjartarson | Imre Balog | 0-1 | 44 | Open |
| 123 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 8.16 | Samir Sahidi | Johann Hjartarson | 1/2-1/2 | 59 | Open |
| 124 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 7.33 | Johann Hjartarson | Volodymyr Vyval | 1-0 | 38 | Open |
| 125 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 5.12 | Johann Hjartarson | Eltaj Safarli | 0-1 | 31 | Open |
| 126 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 4.6 | Rauf Mamedov | Johann Hjartarson | 1/2-1/2 | 52 | Open |
| 127 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 13.16 | Johann Hjartarson | Nikita Petrov | 0-1 | 34 | Open |
| 128 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 12.3 | Bruno Makovec | Johann Hjartarson | 0-1 | 55 | Open |
| 129 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 11.33 | Johann Hjartarson | David Brinovec | 1/2-1/2 | 49 | Open |
| 130 | 2023-12-16 | European Blitz 2023 | Zagreb CRO | 10.36 | Pavle Hrvacic | Johann Hjartarson | 1-0 | 44 | Open |
| 131 | 2023-12-15 | European Rapid 2023 | Zagreb CRO | 11.23 | Daniil Yuffa | Johann Hjartarson | 1-0 | 64 | Open |
| 132 | 2023-12-15 | European Rapid 2023 | Zagreb CRO | 10.38 | Johann Hjartarson | Marko Sokac | 1-0 | 35 | Open |
| 133 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 9 | Alexandr Fier | Johann Hjartarson | 0-1 | 54 | Open |
| 134 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 8 | Johann Hjartarson | Matvey Galchenko | 1-0 | 37 | Open |
| 135 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 7 | Johann Hjartarson | Abtin Atakhan | 0-1 | 29 | Open |
| 136 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 6 | Artin Ashraf | Johann Hjartarson | 0-1 | 57 | Open |
| 137 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 5 | Szidonia Lazarne Vajda | Johann Hjartarson | 0-1 | 20 | Open |
| 138 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 4 | Johann Hjartarson | Dmitry Bocharov | 0-1 | 50 | Open |
| 139 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 3 | Igor Yagupov | Johann Hjartarson | 0-1 | 52 | Open |
| 140 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 2 | Johann Hjartarson | Sergei Movsesian | 0-1 | 25 | Open |
| 141 | 2023-12-05 | Titled Tue 5th Dec Early | chess.com INT | 1 | Johann Hjartarson | Alvaro Rodriguez Avila | 1-0 | 55 | Open |
| 142 | 2023-10-15 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 5.2 | Aleksandr Domalchuk-Jonasson | Johann Hjartarson | 1-0 | 83 | Open |
| 143 | 2023-10-14 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 4.3 | Johann Hjartarson | Orn Leo Johannsson | 1-0 | 39 | Open |
| 144 | 2023-10-14 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 3.1 | Johann Hjartarson | Tomas Laurusas | 1/2-1/2 | 75 | Open |
| 145 | 2023-10-13 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 2.3 | Soren Bech Hansen | Johann Hjartarson | 0-1 | 72 | Open |
| 146 | 2023-10-12 | TCh-ISL Kvika 2023-24 | Reykjavik ISL | 1.2 | Johann Hjartarson | Dagur Arngrimsson | 1-0 | 39 | Open |
| 147 | 2023-09-28 | World Senior Teams +50 | Struga MKD | 9.2 | Johann Hjartarson | Andrew P Lewis | 1/2-1/2 | 39 | Open |
| 148 | 2023-09-27 | World Senior Teams +50 | Struga MKD | 8.1 | Johann Hjartarson | Alberto David | 1/2-1/2 | 62 | Open |
| 149 | 2023-09-26 | World Senior Teams +50 | Struga MKD | 7.1 | Johann Hjartarson | Kiril Georgiev | 1-0 | 110 | Open |
| 150 | 2023-09-24 | World Senior Teams +50 | Struga MKD | 6.1 | Alexander Shabalov | Johann Hjartarson | 1/2-1/2 | 46 | Open |
| 151 | 2023-09-22 | World Senior Teams +50 | Struga MKD | 4.2 | John M Emms | Johann Hjartarson | 1/2-1/2 | 25 | Open |
| 152 | 2023-09-21 | World Senior Teams +50 | Struga MKD | 3.1 | Adolf Denk | Johann Hjartarson | 0-1 | 52 | Open |
| 153 | 2023-09-20 | World Senior Teams +50 | Struga MKD | 2.2 | Chunhong Ning | Johann Hjartarson | 1/2-1/2 | 50 | Open |
| 154 | 2023-09-19 | World Senior Teams +50 | Struga MKD | 1.2 | Johann Hjartarson | Kent Angskog | 1-0 | 41 | Open |
| 155 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 9 | Matt Zavortink | Johann Hjartarson | 0-1 | 29 | Open |
| 156 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 8 | Johann Hjartarson | Dawid Czerw | 0-1 | 78 | Open |
| 157 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 7 | Alan Pichot | Johann Hjartarson | 1-0 | 41 | Open |
| 158 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 6 | Johann Hjartarson | Dmitry Zenin | 1-0 | 46 | Open |
| 159 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 5 | Johann Hjartarson | David Anton Guijarro | 0-1 | 51 | Open |
| 160 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 4 | Gordon Xu | Johann Hjartarson | 0-1 | 64 | Open |
| 161 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 3 | Johann Hjartarson | Cristian Silva Lucena | 1-0 | 45 | Open |
| 162 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 2 | David Paravyan | Johann Hjartarson | 1-0 | 31 | Open |
| 163 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 1 | Alexander Spichkin | Johann Hjartarson | 0-1 | 44 | Open |
| 164 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 11 | Henri Lahdelma | Johann Hjartarson | 0-1 | 43 | Open |
| 165 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 10 | Johann Hjartarson | Ayrat Vafin | 1/2-1/2 | 42 | Open |
| 166 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 9 | Nathan Felipe Filgueiras | Johann Hjartarson | 1/2-1/2 | 69 | Open |
| 167 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 8 | Johann Hjartarson | Taha Ozkan | 0-1 | 43 | Open |
| 168 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 7 | Jonathan Pein | Johann Hjartarson | 1/2-1/2 | 74 | Open |
| 169 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 6 | Maciej Sroczynski | Johann Hjartarson | 0-1 | 41 | Open |
| 170 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 5 | Johann Hjartarson | Grigory Seletsky | 1-0 | 24 | Open |
| 171 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 4 | Sebastian Poltorak | Johann Hjartarson | 1-0 | 47 | Open |
| 172 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 3 | Johann Hjartarson | Jorden Van Foreest | 0-1 | 57 | Open |
| 173 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 2 | Johann Hjartarson | Jan Petr | 1-0 | 47 | Open |
| 174 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 1 | Burak Ozalp | Johann Hjartarson | 0-1 | 19 | Open |
| 175 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 11 | Frank Buchenau | Johann Hjartarson | 1/2-1/2 | 37 | Open |
| 176 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 10 | Johann Hjartarson | Tomasz Jaskolka | 0-1 | 36 | Open |
| 177 | 2023-05-25 | ch-ISL 2023 | Hafnarfjordur ISL | 11.3 | Johann Hjartarson | Hilmir Freyr Heimisson | 0-1 | 32 | Open |
| 178 | 2023-05-24 | ch-ISL 2023 | Hafnarfjordur ISL | 10.5 | Hannes Stefansson | Johann Hjartarson | 0-1 | 32 | Open |
| 179 | 2023-05-23 | ch-ISL 2023 | Hafnarfjordur ISL | 9.3 | Johann Hjartarson | Bragi Thorfinnsson | 1-0 | 34 | Open |
| 180 | 2023-05-22 | ch-ISL 2023 | Hafnarfjordur ISL | 8.4 | Johann Ingvason | Johann Hjartarson | 1/2-1/2 | 49 | Open |
| 181 | 2023-05-21 | ch-ISL 2023 | Hafnarfjordur ISL | 7.4 | Johann Hjartarson | Aleksandr Domalchuk-Jonasson | 0-1 | 45 | Open |
| 182 | 2023-05-20 | ch-ISL 2023 | Hafnarfjordur ISL | 6.3 | Henrik Danielsen | Johann Hjartarson | 0-1 | 35 | Open |
| 183 | 2023-05-19 | ch-ISL 2023 | Hafnarfjordur ISL | 5.5 | Johann Hjartarson | Dagur Ragnarsson | 1-0 | 26 | Open |
| 184 | 2023-05-18 | ch-ISL 2023 | Hafnarfjordur ISL | 4.2 | Gudmundur Kjartansson | Johann Hjartarson | 1-0 | 53 | Open |
| 185 | 2023-05-17 | ch-ISL 2023 | Hafnarfjordur ISL | 3.6 | Johann Hjartarson | Vignir Vatnar Stefansson | 0-1 | 43 | Open |
| 186 | 2023-05-16 | ch-ISL 2023 | Hafnarfjordur ISL | 2.1 | Lenka Ptacnikova | Johann Hjartarson | 1/2-1/2 | 52 | Open |
| 187 | 2023-05-15 | ch-ISL 2023 | Hafnarfjordur ISL | 1.6 | Hjorvar Steinn Gretarsson | Johann Hjartarson | 1/2-1/2 | 65 | Open |
| 188 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 9 | Aryan Tari | Johann Hjartarson | 1-0 | 46 | Open |
| 189 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 8 | Johann Hjartarson | Grayson Rorrer | 1-0 | 32 | Open |
| 190 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 7 | Johann Hjartarson | Pablo Salinas Herrera | 0-1 | 39 | Open |
| 191 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 6 | Axel Bachmann | Johann Hjartarson | 0-1 | 25 | Open |
| 192 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 5 | Aman Hambleton | Johann Hjartarson | 0-1 | 55 | Open |
| 193 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 4 | Johann Hjartarson | Joseph Ryan | 1-0 | 56 | Open |
| 194 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 3 | Matthias Bluebaum | Johann Hjartarson | 1/2-1/2 | 77 | Open |
| 195 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 2 | Johann Hjartarson | Renato Terry | 1/2-1/2 | 53 | Open |
| 196 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 1 | Johann Hjartarson | Steven Cooklev | 1-0 | 65 | Open |
| 197 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 11 | Johann Hjartarson | Yaroslav Remizov | 0-1 | 23 | Open |
| 198 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 10 | Alvaro Bayo Milagro | Johann Hjartarson | 0-1 | 28 | Open |
| 199 | 2023-04-04 | Reykjavik Open 2023 | Reykjavik ISL | 9.53 | Anastasiia Hnatyshyn | Johann Hjartarson | 0-1 | 24 | Open |
| 200 | 2023-04-02 | Reykjavik Open 2023 | Reykjavik ISL | 7.42 | Alexander Oliver Mai | Johann Hjartarson | 1-0 | 34 | Open |
| 201 | 2023-04-01 | Reykjavik Open 2023 | Reykjavik ISL | 6.31 | Johann Hjartarson | Dion Krivenko | 1/2-1/2 | 21 | Open |
| 202 | 2023-04-01 | Reykjavik Open 2023 | Reykjavik ISL | 5.25 | Patryk Cieslak | Johann Hjartarson | 1/2-1/2 | 78 | Open |
| 203 | 2023-03-31 | Reykjavik Open 2023 | Reykjavik ISL | 4.22 | Johann Hjartarson | Sahithi Varshini M | 1/2-1/2 | 41 | Open |
| 204 | 2023-03-30 | Reykjavik Open 2023 | Reykjavik ISL | 2.38 | Johann Hjartarson | Ellen Kakulidis | 1-0 | 46 | Open |
| 205 | 2023-03-29 | Reykjavik Open 2023 | Reykjavik ISL | 1.27 | Raymond Kaufman | Johann Hjartarson | 1/2-1/2 | 43 | Open |
| 206 | 2023-03-17 | TCh-ISL Kvika 2022-23 | Reykjavik ISL | 7.2 | Johann Hjartarson | Oleksandr Sulypa | 1-0 | 51 | Open |
| 207 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 9 | Johann Hjartarson | Brett Passen | 1-0 | 22 | Open |
| 208 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 8 | Lazaro Pino Perez | Johann Hjartarson | 1-0 | 22 | Open |
| 209 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 7 | Orest Vovk | Johann Hjartarson | 1-0 | 62 | Open |
| 210 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 6 | Johann Hjartarson | Levente Miszler | 1-0 | 27 | Open |
| 211 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 5 | Nikolaos Koutlas | Johann Hjartarson | 1-0 | 27 | Open |
| 212 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 4 | Johann Hjartarson | Andres Carrasco Miranda | 1-0 | 49 | Open |
| 213 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 3 | Johann Hjartarson | Michal Mazurkiewicz | 0-1 | 59 | Open |
| 214 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 2 | Nick Figorito | Johann Hjartarson | 0-1 | 45 | Open |
| 215 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 1 | Johann Hjartarson | William Jorge Froes Yano | 0-1 | 19 | Open |
| 216 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 11 | Johann Hjartarson | Ekaterina Goltseva | 1-0 | 67 | Open |
| 217 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 10 | Andriy Prydun | Johann Hjartarson | 0-1 | 45 | Open |
| 218 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 9 | Johann Hjartarson | Daniel Herman | 0-1 | 44 | Open |
| 219 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 8 | Angel Gabriel Cordoba Roa | Johann Hjartarson | 0-1 | 16 | Open |
| 220 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 7 | Olexandr Bortnyk | Johann Hjartarson | 1-0 | 37 | Open |
| 221 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 6 | Johann Hjartarson | Yaroslav Remizov | 0-1 | 41 | Open |
| 222 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 5 | Johann Hjartarson | Eric Hansen | 1-0 | 40 | Open |
| 223 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 4 | Christian Silvestre | Johann Hjartarson | 0-1 | 43 | Open |
| 224 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 3 | Daniel Mieles Palau | Johann Hjartarson | 0-1 | 17 | Open |
| 225 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 2 | Johann Hjartarson | Baadur Jobava | 0-1 | 53 | Open |
| 226 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 1 | Anatoly Moskvin | Johann Hjartarson | 0-1 | 40 | Open |
| 227 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 11 | Johann Hjartarson | Pedro Ramon Martinez Reyes | 0-1 | 68 | Open |
| 228 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 10 | Samuel Zenelaj | Johann Hjartarson | 0-1 | 39 | Open |
| 229 | 2022-12-18 | European Rapid 2022 | Katowice POL | 9.77 | Johann Hjartarson | Jiri Bouska | 1-0 | 66 | Open |
| 230 | 2022-12-18 | European Rapid 2022 | Katowice POL | 11.36 | Johann Hjartarson | Aras Vardanyan | 1-0 | 52 | Open |
| 231 | 2022-12-18 | European Rapid 2022 | Katowice POL | 10.49 | Sergej Shilov | Johann Hjartarson | 0-1 | 28 | Open |
| 232 | 2022-12-17 | European Rapid 2022 | Katowice POL | 5.45 | Michal Bartel | Johann Hjartarson | 1-0 | 35 | Open |
| 233 | 2022-12-17 | European Rapid 2022 | Katowice POL | 4.76 | Johann Hjartarson | Pola Parol | 1-0 | 39 | Open |
| 234 | 2022-12-17 | European Rapid 2022 | Katowice POL | 2.48 | Johann Hjartarson | Dawid Radzikowski | 0-1 | 50 | Open |
| 235 | 2022-12-17 | European Rapid 2022 | Katowice POL | 1.51 | Sylwia Polak | Johann Hjartarson | 0-1 | 20 | Open |
| 236 | 2022-12-16 | European Blitz 2022 | Katowice POL | 9.31 | Marc Morgunov | Johann Hjartarson | 0-1 | 36 | Open |
| 237 | 2022-12-16 | European Blitz 2022 | Katowice POL | 8.54 | Myroslava Hrabinska | Johann Hjartarson | 0-1 | 48 | Open |
| 238 | 2022-12-16 | European Blitz 2022 | Katowice POL | 7.54 | Johann Hjartarson | Myroslava Hrabinska | 1-0 | 34 | Open |
| 239 | 2022-12-16 | European Blitz 2022 | Katowice POL | 6.64 | Johann Hjartarson | Jakub Chyzy | 1-0 | 51 | Open |
| 240 | 2022-12-16 | European Blitz 2022 | Katowice POL | 5.64 | Jakub Chyzy | Johann Hjartarson | 1-0 | 36 | Open |
| 241 | 2022-12-16 | European Blitz 2022 | Katowice POL | 22.41 | Arthur Kruckenhauser | Johann Hjartarson | 1/2-1/2 | 81 | Open |
| 242 | 2022-12-16 | European Blitz 2022 | Katowice POL | 21.41 | Johann Hjartarson | Arthur Kruckenhauser | 1-0 | 23 | Open |
| 243 | 2022-12-16 | European Blitz 2022 | Katowice POL | 20.52 | Johann Hjartarson | Wojciech Przybylski | 1/2-1/2 | 58 | Open |
| 244 | 2022-12-16 | European Blitz 2022 | Katowice POL | 2.43 | Johann Hjartarson | Tomasz Hartlinski | 1/2-1/2 | 31 | Open |
| 245 | 2022-12-16 | European Blitz 2022 | Katowice POL | 19.52 | Wojciech Przybylski | Johann Hjartarson | 0-1 | 51 | Open |
| 246 | 2022-12-16 | European Blitz 2022 | Katowice POL | 18.95 | Patryk Cieslak | Johann Hjartarson | 0-1 | 56 | Open |
| 247 | 2022-12-16 | European Blitz 2022 | Katowice POL | 17.95 | Johann Hjartarson | Patryk Cieslak | 1-0 | 51 | Open |
| 248 | 2022-12-16 | European Blitz 2022 | Katowice POL | 16.87 | Alena Mrvova | Johann Hjartarson | 0-1 | 32 | Open |
| 249 | 2022-12-16 | European Blitz 2022 | Katowice POL | 15.87 | Johann Hjartarson | Alena Mrvova | 0-1 | 37 | Open |
| 250 | 2022-12-16 | European Blitz 2022 | Katowice POL | 14.39 | Johann Hjartarson | Marcin Molenda | 0-1 | 33 | Open |
| 251 | 2022-12-16 | European Blitz 2022 | Katowice POL | 13.39 | Marcin Molenda | Johann Hjartarson | 1-0 | 52 | Open |
| 252 | 2022-12-16 | European Blitz 2022 | Katowice POL | 12.16 | Igor Kowalski | Johann Hjartarson | 1-0 | 36 | Open |
| 253 | 2022-12-16 | European Blitz 2022 | Katowice POL | 11.16 | Johann Hjartarson | Igor Kowalski | 0-1 | 31 | Open |
| 254 | 2022-12-16 | European Blitz 2022 | Katowice POL | 10.31 | Johann Hjartarson | Marc Morgunov | 1-0 | 68 | Open |
| 255 | 2022-12-16 | European Blitz 2022 | Katowice POL | 1.43 | Tomasz Hartlinski | Johann Hjartarson | 1-0 | 35 | Open |
| 256 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 9 | Johann Hjartarson | Jose Carlos Ibarra Jerez | 0-1 | 28 | Open |
| 257 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 8 | Marcos Rodriguez Fontecha | Johann Hjartarson | 0-1 | 48 | Open |
| 258 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 7 | Aleksandar Indjic | Johann Hjartarson | 1-0 | 46 | Open |
| 259 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 6 | Johann Hjartarson | Benjamin Bok | 0-1 | 48 | Open |
| 260 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 5 | Johann Hjartarson | Velimir Ivic | 1-0 | 44 | Open |
| 261 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 4 | Daniel Naroditsky | Johann Hjartarson | 0-1 | 39 | Open |
| 262 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 3 | Johann Hjartarson | Danilo Besedes | 1-0 | 36 | Open |
| 263 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 2 | Nick Figorito | Johann Hjartarson | 0-1 | 37 | Open |
| 264 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 1 | Johann Hjartarson | Zbigniew Wieczorek | 0-1 | 32 | Open |
| 265 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 11 | Johann Hjartarson | Ward Al-Tarboush | 0-1 | 42 | Open |
| 266 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 10 | Davi Sulzbacher Goncalves | Johann Hjartarson | 0-1 | 71 | Open |
| 267 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 5 | Oskar Wieczorek | Johann Hjartarson | 0-1 | 31 | Open |
| 268 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 4 | Johann Hjartarson | Jaime Rodriguez Santiago | 1-0 | 19 | Open |
| 269 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 3 | Johann Hjartarson | 2056836 | 1-0 | 33 | Open |
| 270 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 2 | Alexey Sarana | Johann Hjartarson | 1-0 | 50 | Open |
| 271 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 1 | Simeon Todev | Johann Hjartarson | 0-1 | 37 | Open |
| 272 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 9 | Jorge Soto Vega | Johann Hjartarson | 1-0 | 49 | Open |
| 273 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 8 | Johann Hjartarson | Radoslaw Dzierzak | 1-0 | 52 | Open |
| 274 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 7 | Lukas Winterberg | Johann Hjartarson | 1-0 | 46 | Open |
| 275 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 6 | Johann Hjartarson | Samuel Malka | 1-0 | 31 | Open |
| 276 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 5 | Adan Rios Escobar | Johann Hjartarson | 0-1 | 35 | Open |
| 277 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 4 | Johann Hjartarson | Anna Golubova | 0-1 | 58 | Open |
| 278 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 3 | Davi Sulzbacher Goncalves | Johann Hjartarson | 1-0 | 34 | Open |
| 279 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 2 | Johann Hjartarson | David Paravyan | 0-1 | 26 | Open |
| 280 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 1 | Blazej Grot | Johann Hjartarson | 0-1 | 41 | Open |
| 281 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 11 | Johann Hjartarson | Christopher Pace | 1-0 | 42 | Open |
| 282 | 2022-11-01 | Titled Tue 1st Nov Late | chess.com INT | 10 | Johann Hjartarson | Ralph Tan | 1/2-1/2 | 46 | Open |
| 283 | 2022-10-16 | TCh-ISL Kvika 2022-23 | Reykjavik ISL | 5.3 | Johann Hjartarson | Hjorvar Steinn Gretarsson | 0-1 | 38 | Open |
| 284 | 2022-10-15 | TCh-ISL Kvika 2022-23 | Reykjavik ISL | 4.1 | Bjorn Ahlander | Johann Hjartarson | 1/2-1/2 | 49 | Open |
| 285 | 2022-10-15 | TCh-ISL Kvika 2022-23 | Reykjavik ISL | 3.3 | Gudmundur Gislason | Johann Hjartarson | 1/2-1/2 | 24 | Open |
| 286 | 2022-10-14 | TCh-ISL Kvika 2022-23 | Reykjavik ISL | 2.2 | Johann Hjartarson | Oleksandr Sulypa | 1/2-1/2 | 35 | Open |
| 287 | 2022-10-03 | 37th ECC Open 2022 | Mayrhofen AUT | 1.1 | Johann Hjartarson | Viswanathan Anand | 1/2-1/2 | 30 | Open |
| 288 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 9 | Joseph Wan | Johann Hjartarson | 1-0 | 23 | Open |
| 289 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 8 | Johann Hjartarson | Alexander Rustemov | 1-0 | 65 | Open |
| 290 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 7 | Juan Antonio Urbina Perez | Johann Hjartarson | 0-1 | 41 | Open |
| 291 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 6 | Johann Hjartarson | Gyula Pap | 0-1 | 46 | Open |
| 292 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 5 | Johann Hjartarson | Christopher Woojin Yoo | 1/2-1/2 | 70 | Open |
| 293 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 4 | Bojan Todorovic | Johann Hjartarson | 0-1 | 34 | Open |
| 294 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 3 | Johann Hjartarson | Aakaash Meduri | 1-0 | 45 | Open |
| 295 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 2 | Raunak Sadhwani | Johann Hjartarson | 1-0 | 37 | Open |
| 296 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 1 | Johann Hjartarson | Andriy Prydun | 1-0 | 14 | Open |
| 297 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 11 | Tigran Nazaretyan | Johann Hjartarson | 0-1 | 26 | Open |
| 298 | 2022-09-13 | Titled Tue 13th Sep Late | chess.com INT | 10 | Johann Hjartarson | Rodrigo Vasquez Schroeder | 0-1 | 48 | Open |
| 299 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 9 | Mikhail Ekdyshman | Johann Hjartarson | 0-1 | 37 | Open |
| 300 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 8 | Johann Hjartarson | Mihailo Djokic | 1/2-1/2 | 33 | Open |
| 301 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 7 | Johann Hjartarson | Olexandr Bortnyk | 0-1 | 37 | Open |
| 302 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 6 | Mikhail Golubev | Johann Hjartarson | 0-1 | 19 | Open |
| 303 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 5 | Rasmus Svane | Johann Hjartarson | 1-0 | 36 | Open |
| 304 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 4 | Johann Hjartarson | Przemyslaw Koc | 1-0 | 21 | Open |
| 305 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 3 | Johann Hjartarson | Adam Gaisinsky | 1-0 | 31 | Open |
| 306 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 2 | Daniel Naroditsky | Johann Hjartarson | 1-0 | 31 | Open |
| 307 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 1 | Asa Hoffmann | Johann Hjartarson | 0-1 | 58 | Open |
| 308 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 11 | Aakaash Meduri | Johann Hjartarson | 0-1 | 55 | Open |
| 309 | 2022-09-06 | Titled Tue 6th Sep Late | chess.com INT | 10 | Johann Hjartarson | Nathan Solon | 0-1 | 33 | Open |
| 310 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 9 | Johann Hjartarson | Tomasz Jaskolka | 1-0 | 33 | Open |
| 311 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 8 | Juan Cruz Arias | Johann Hjartarson | 0-1 | 42 | Open |
| 312 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 7 | Johann Hjartarson | Juan Sebastian Melian | 1-0 | 43 | Open |
| 313 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 6 | Baptiste Roux | Johann Hjartarson | 0-1 | 37 | Open |
| 314 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 5 | Hayk Mirimanian | Johann Hjartarson | 1-0 | 35 | Open |
| 315 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 4 | Johann Hjartarson | Aleksandr Lenderman | 0-1 | 25 | Open |
| 316 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 3 | Johann Hjartarson | Cristian Silva Lucena | 1-0 | 36 | Open |
| 317 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 2 | David W L Howell | Johann Hjartarson | 1-0 | 29 | Open |
| 318 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 1 | Johann Hjartarson | Ansh M Shah | 1-0 | 32 | Open |
| 319 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 11 | Etienne Bacrot | Johann Hjartarson | 1-0 | 36 | Open |
| 320 | 2022-08-23 | Titled Tue 23rd Aug Late | chess.com INT | 10 | Johann Hjartarson | Marcus R Harvey | 1-0 | 70 | Open |
| 321 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 9 | Qingyu Yuan | Johann Hjartarson | 1-0 | 21 | Open |
| 322 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 8 | Luis Oro | Johann Hjartarson | 0-1 | 36 | Open |
| 323 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 7 | Johann Hjartarson | Davi Sulzbacher Goncalves | 1-0 | 41 | Open |
| 324 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 6 | Armin Musovic | Johann Hjartarson | 1-0 | 26 | Open |
| 325 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 5 | Johann Hjartarson | Andriy Prydun | 1/2-1/2 | 62 | Open |
| 326 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 4 | Frank Buchenau | Johann Hjartarson | 0-1 | 55 | Open |
| 327 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 3 | Johann Hjartarson | Aleksa Petrovic | 1/2-1/2 | 24 | Open |
| 328 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 2 | Alexey Sarana | Johann Hjartarson | 1-0 | 49 | Open |
| 329 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 1 | Johann Hjartarson | Oscar Humberto Ardila | 1-0 | 71 | Open |
| 330 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 11 | Juan Sanchez Alarcon | Johann Hjartarson | 0-1 | 25 | Open |
| 331 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 10 | Johann Hjartarson | Ansh M Shah | 1-0 | 60 | Open |
| 332 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 9 | Johann Hjartarson | Eduardo Jesus Mendez Fortes | 1-0 | 44 | Open |
| 333 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 8 | Johann Hjartarson | Wojciech Przybylski | 0-1 | 46 | Open |
| 334 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 7 | Vesal Hamedi Nia | Johann Hjartarson | 0-1 | 45 | Open |
| 335 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 6 | Johann Hjartarson | Adan Rios Escobar | 1-0 | 41 | Open |
| 336 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 5 | Joaquin Jimenez | Johann Hjartarson | 0-1 | 22 | Open |
| 337 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 4 | Johann Hjartarson | Qiyu Zhou | 1-0 | 31 | Open |
| 338 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 3 | Adam Kujawski | Johann Hjartarson | 1-0 | 34 | Open |
| 339 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 11 | Johann Hjartarson | Austin Mei | 1-0 | 38 | Open |
| 340 | 2022-07-19 | Titled Tue 19th Jul Late | chess.com INT | 10 | Daniel Barria Zuniga | Johann Hjartarson | 1-0 | 33 | Open |
| 341 | 2022-06-26 | World Senior Teams +50 | Acqui Terme ITA | 6.2 | Johann Hjartarson | Gregory Kaidanov | 1/2-1/2 | 27 | Open |
| 342 | 2022-06-22 | World Senior Teams +50 | Acqui Terme ITA | 3.1 | Nigel D Short | Johann Hjartarson | 1-0 | 34 | Open |
| 343 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 9 | Johann Hjartarson | Ricardo D. D`Arruda | 1-0 | 57 | Open |
| 344 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 8 | Johann Hjartarson | Mikhail Golubev | 1-0 | 53 | Open |
| 345 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 7 | Tobias Voege | Johann Hjartarson | 1/2-1/2 | 79 | Open |
| 346 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 6 | Johann Hjartarson | Leon Livaic | 0-1 | 49 | Open |
| 347 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 5 | Johann Hjartarson | Marcel Beulen | 1-0 | 51 | Open |
| 348 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 4 | Leonid Nozdrachev | Johann Hjartarson | 1/2-1/2 | 59 | Open |
| 349 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 3 | Mihailo Vujic | Johann Hjartarson | 0-1 | 56 | Open |
| 350 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 2 | Johann Hjartarson | Dmitry Andreikin | 0-1 | 56 | Open |
| 351 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 1 | Irina Petrova | Johann Hjartarson | 0-1 | 12 | Open |
| 352 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 11 | Johann Hjartarson | Artai Bringas Gomez | 0-1 | 25 | Open |
| 353 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 10 | Alexei Shirov | Johann Hjartarson | 1-0 | 37 | Open |
| 354 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 9 | Johann Hjartarson | Mikhail Pesotskiy | 1/2-1/2 | 34 | Open |
| 355 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 8 | Tanitoluwa Adewumi | Johann Hjartarson | 1-0 | 71 | Open |
| 356 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 7 | Johann Hjartarson | Frederik Svane | 0-1 | 30 | Open |
| 357 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 6 | Johann Hjartarson | Jean Meunier-Pion | 1-0 | 34 | Open |
| 358 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 5 | Artai Bringas Gomez | Johann Hjartarson | 0-1 | 24 | Open |
| 359 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 4 | Johann Hjartarson | Iung Alicio de O. Pinheiro | 1/2-1/2 | 43 | Open |
| 360 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 3 | Matthias Bluebaum | Johann Hjartarson | 1-0 | 30 | Open |
| 361 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 2 | Johann Hjartarson | Frederico Matsuura | 1-0 | 37 | Open |
| 362 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 1 | Marcelo Jorquera | Johann Hjartarson | 0-1 | 36 | Open |
| 363 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 11 | Aleksandras Jegorovas | Johann Hjartarson | 1-0 | 41 | Open |
| 364 | 2022-06-07 | Titled Tue 7th Jun Late | chess.com INT | 10 | Fabian Ernesto Vivas Zamora | Johann Hjartarson | 0-1 | 45 | Open |
| 365 | 2022-04-12 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 9.2 | Johann Hjartarson | Evgeniya Doluhanova | 1-0 | 53 | Open |
| 366 | 2022-04-11 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 8.4 | Gukesh D | Johann Hjartarson | 1-0 | 46 | Open |
| 367 | 2022-04-10 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 7.2 | Johann Hjartarson | Max Warmerdam | 0-1 | 36 | Open |
| 368 | 2022-04-10 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 6.3 | Johann Hjartarson | Hans Moke Niemann | 1-0 | 27 | Open |
| 369 | 2022-04-09 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 5.14 | Cyril S Sigamoney | Johann Hjartarson | 0-1 | 58 | Open |
| 370 | 2022-04-08 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 4.8 | Johann Hjartarson | Mads Andersen | 1/2-1/2 | 89 | Open |
| 371 | 2022-04-07 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 3.16 | Dmitry Minko | Johann Hjartarson | 0-1 | 46 | Open |
| 372 | 2022-04-07 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 2.21 | Johann Hjartarson | Rafael De Coninck | 1-0 | 19 | Open |
| 373 | 2022-04-06 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 1.22 | Maxime Marie | Johann Hjartarson | 1/2-1/2 | 35 | Open |
| 374 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 9 | Serafin Moral Garcia | Johann Hjartarson | 0-1 | 31 | Open |
| 375 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 8 | Pedro Ramon Martinez Reyes | Johann Hjartarson | 0-1 | 40 | Open |
| 376 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 7 | Johann Hjartarson | Anton Demchenko | 0-1 | 50 | Open |
| 377 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 6 | Johann Hjartarson | Wojciech Przybylski | 1-0 | 40 | Open |
| 378 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 5 | Gata Kamsky | Johann Hjartarson | 1-0 | 41 | Open |
| 379 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 4 | Johann Hjartarson | Hrant Melkumyan | 0-1 | 55 | Open |
| 380 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 3 | Sanan Sjugirov | Johann Hjartarson | 0-1 | 45 | Open |
| 381 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 2 | Johann Hjartarson | Vladimir Fedoseev | 1-0 | 58 | Open |
| 382 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 1 | Johann Hjartarson | Vitaly Rodchenkov | 1-0 | 35 | Open |
| 383 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 11 | Johann Hjartarson | Aleksandr Shimanov | 1-0 | 18 | Open |
| 384 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 10 | Johann Hjartarson | Robert Hess | 1-0 | 34 | Open |
| 385 | 2022-03-20 | Primavera Cattolica Open | Cattolica ITA | 9.9 | Johann Hjartarson | Ojas Kulkarni | 1/2-1/2 | 15 | Open |
| 386 | 2022-03-20 | Primavera Cattolica Open | Cattolica ITA | 8.15 | Robert Engel | Johann Hjartarson | 0-1 | 32 | Open |
| 387 | 2022-03-19 | Primavera Cattolica Open | Cattolica ITA | 7.11 | Tom-Frederic Woelk | Johann Hjartarson | 1-0 | 38 | Open |
| 388 | 2022-03-19 | Primavera Cattolica Open | Cattolica ITA | 6.5 | Johann Hjartarson | Arseniy Nesterov | 0-1 | 38 | Open |
| 389 | 2022-03-18 | Primavera Cattolica Open | Cattolica ITA | 5.5 | Danyyil Dvirnyy | Johann Hjartarson | 1/2-1/2 | 57 | Open |
| 390 | 2022-03-18 | Primavera Cattolica Open | Cattolica ITA | 4.5 | Johann Hjartarson | Daniel Dardha | 1/2-1/2 | 55 | Open |
| 391 | 2022-03-17 | Primavera Cattolica Open | Cattolica ITA | 2.11 | Virgilio Vuelban | Johann Hjartarson | 0-1 | 46 | Open |
| 392 | 2022-03-16 | Primavera Cattolica Open | Cattolica ITA | 1.13 | Johann Hjartarson | Pietro Mirri | 1-0 | 47 | Open |
| 393 | 2022-03-06 | TCh-ISL Premier 2021-22 | Reykjavik ISL | 10.2 | Johann Hjartarson | Vignir Vatnar Stefansson | 1/2-1/2 | 66 | Open |
| 394 | 2022-03-05 | TCh-ISL Premier 2021-22 | Reykjavik ISL | 9.3 | Hjorvar Steinn Gretarsson | Johann Hjartarson | 0-1 | 54 | Open |
| 395 | 2022-03-05 | TCh-ISL Premier 2021-22 | Reykjavik ISL | 8.1 | Tiger Hillarp Persson | Johann Hjartarson | 0-1 | 33 | Open |
| 396 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 9 | Jose Gabriel Cardoso Cardoso | Johann Hjartarson | 0-1 | 72 | Open |
| 397 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 8 | Johann Hjartarson | Volodymyr Vusatiuk | 1-0 | 25 | Open |
| 398 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 7 | Matheus Mendes Domingues Ribeiro | Johann Hjartarson | 0-1 | 41 | Open |
| 399 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 6 | Johann Hjartarson | Nderim Saraci | 0-1 | 35 | Open |
| 400 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 5 | Daniel Rangel | Johann Hjartarson | 0-1 | 26 | Open |
| 401 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 4 | Dmitrij Kollars | Johann Hjartarson | 1-0 | 36 | Open |
| 402 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 3 | Johann Hjartarson | Serafin Moral Garcia | 1-0 | 43 | Open |
| 403 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 2 | Aryan Tari | Johann Hjartarson | 1-0 | 39 | Open |
| 404 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 1 | Monserrat Morales Flores | Johann Hjartarson | 0-1 | 32 | Open |
| 405 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 11 | Johann Hjartarson | Pavel Chernomordik | 1/2-1/2 | 30 | Open |
| 406 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 10 | Johann Hjartarson | Bojan Maksimovic | 0-1 | 31 | Open |
| 407 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 9 | Johann Hjartarson | Alan Pichot | 1-0 | 51 | Open |
| 408 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 9 | Logman Guliev | Johann Hjartarson | 0-1 | 41 | Open |
| 409 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 8 | Johann Hjartarson | Valentina Golubenko | 1-0 | 50 | Open |
| 410 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 8 | Johann Hjartarson | Dennis Wagner | 0-1 | 34 | Open |
| 411 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 7 | Teemu Virtanen | Johann Hjartarson | 0-1 | 41 | Open |
| 412 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 7 | Johann Hjartarson | Altay Eynullayev | 1-0 | 34 | Open |
| 413 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 6 | Chris W Baker | Johann Hjartarson | 1-0 | 49 | Open |
| 414 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 6 | Vitor Hugo Vieira Ferreira | Johann Hjartarson | 0-1 | 36 | Open |
| 415 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 5 | David Paravyan | Johann Hjartarson | 1-0 | 34 | Open |
| 416 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 5 | Johann Hjartarson | Gerardo Antonio Gracia Alvarez | 1-0 | 27 | Open |
| 417 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 4 | Davis Zong | Johann Hjartarson | 0-1 | 48 | Open |
| 418 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 4 | Johann Hjartarson | Siva Mahadevan | 0-1 | 72 | Open |
| 419 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 3 | Nikolay Plamenov Yordanov | Johann Hjartarson | 1-0 | 31 | Open |
| 420 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 3 | Johann Hjartarson | Denes Boros | 1-0 | 77 | Open |
| 421 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 2 | Zhamsaran Tsydypov | Johann Hjartarson | 1/2-1/2 | 50 | Open |
| 422 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 2 | Johann Hjartarson | Maksim Chigaev | 0-1 | 43 | Open |
| 423 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 1 | Johann Hjartarson | Gavin R Lock | 1-0 | 31 | Open |
| 424 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 1 | Soltan Muradov | Johann Hjartarson | 0-1 | 22 | Open |
| 425 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 11 | Mikhail Bryakin | Johann Hjartarson | 1-0 | 60 | Open |
| 426 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 11 | Johann Hjartarson | Bharath Subramaniyam H | 0-1 | 37 | Open |
| 427 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 10 | Artyom Timofeev | Johann Hjartarson | 1-0 | 43 | Open |
| 428 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 10 | Johann Hjartarson | Arseniy Nesterov | 1-0 | 35 | Open |
| 429 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 9.7 | Orn Leo Johannsson | Johann Hjartarson | 0-1 | 51 | Open |
| 430 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 8.6 | Johann Hjartarson | Arnar Milutin Heidarsson | 1/2-1/2 | 38 | Open |
| 431 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 7.4 | Johann Hjartarson | Mads Andersen | 0-1 | 43 | Open |
| 432 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 6.3 | Lars Oskar Hauge | Johann Hjartarson | 1-0 | 39 | Open |
| 433 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 5.1 | Johann Hjartarson | Hannes Stefansson | 0-1 | 44 | Open |
| 434 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 4.1 | Arnar Gunnarsson | Johann Hjartarson | 0-1 | 35 | Open |
| 435 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 3.2 | Johann Hjartarson | Bragi Thorfinnsson | 1-0 | 30 | Open |
| 436 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 2.2 | Robert Lagerman | Johann Hjartarson | 0-1 | 67 | Open |
| 437 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 11.7 | Johann Hjartarson | Simon Thorhallsson | 1-0 | 46 | Open |
| 438 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 10.5 | Throstur Thorhallsson | Johann Hjartarson | 1-0 | 50 | Open |
| 439 | 2022-01-29 | Reykjavik Blitz Open 2022 | Reykjavik ISL | 1.2 | Johann Hjartarson | Monika Machlik | 1-0 | 38 | Open |
| 440 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 9 | Richard Bethke | Johann Hjartarson | 1/2-1/2 | 57 | Open |
| 441 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 8 | Johann Hjartarson | Tuna Ozates | 0-1 | 46 | Open |
| 442 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 7 | Shamsiddin Vokhidov | Johann Hjartarson | 1-0 | 36 | Open |
| 443 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 6 | Dina Belenkaya | Johann Hjartarson | 0-1 | 38 | Open |
| 444 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 5 | Johann Hjartarson | Ido Ben Artzi | 1-0 | 46 | Open |
| 445 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 4 | Alexander Khripachenko | Johann Hjartarson | 1-0 | 35 | Open |
| 446 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 3 | Johann Hjartarson | Gawain C B Maroroa Jones | 0-1 | 70 | Open |
| 447 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 2 | Lakshmi C | Johann Hjartarson | 0-1 | 45 | Open |
| 448 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 1 | Johann Hjartarson | Altay Eynullayev | 1-0 | 38 | Open |
| 449 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 11 | Niranjan Navalgund | Johann Hjartarson | 0-1 | 37 | Open |
| 450 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 10 | Johann Hjartarson | Ariel Tokman | 1-0 | 41 | Open |
| 451 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 9 | Shamsiddin Vokhidov | Johann Hjartarson | 1-0 | 34 | Open |
| 452 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 8 | Johann Hjartarson | Sergei Shipov | 1-0 | 43 | Open |
| 453 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 7 | Mihnea Costachi | Johann Hjartarson | 0-1 | 35 | Open |
| 454 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 6 | Johann Hjartarson | Calin Gheorghiu | 1-0 | 30 | Open |
| 455 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 5 | Johann Hjartarson | Ivan Yeletsky | 0-1 | 20 | Open |
| 456 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 4 | Lakshmi C | Johann Hjartarson | 0-1 | 43 | Open |
| 457 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 3 | Johann Hjartarson | Vladislav Klyashtorny | 1-0 | 39 | Open |
| 458 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 2 | M. Amin Tabatabaei | Johann Hjartarson | 1-0 | 48 | Open |
| 459 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 1 | Szymon Stysiak | Johann Hjartarson | 0-1 | 33 | Open |
| 460 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 11 | Johann Hjartarson | Zbigniew Pakleza | 0-1 | 42 | Open |
| 461 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 10 | Johann Hjartarson | Pavel Shkapenko | 1-0 | 49 | Open |
| 462 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 9 | Johann Hjartarson | Vuk Djordjevic | 0-1 | 68 | Open |
| 463 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 8 | Marko Srebrnic | Johann Hjartarson | 0-1 | 68 | Open |
| 464 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 7 | Johann Hjartarson | Aleksandar Topalov | 1-0 | 60 | Open |
| 465 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 6 | Johann Hjartarson | Wojciech Przybylski | 0-1 | 62 | Open |
| 466 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 5 | Read Samadov | Johann Hjartarson | 1-0 | 54 | Open |
| 467 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 4 | Calin Gheorghiu | Johann Hjartarson | 0-1 | 64 | Open |
| 468 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 3 | Johann Hjartarson | Yuri Korsunsky | 1-0 | 26 | Open |
| 469 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 2 | Aram Hakobyan | Johann Hjartarson | 1-0 | 36 | Open |
| 470 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 1 | Johann Hjartarson | Anastasios Mihailidis | 1-0 | 47 | Open |
| 471 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 11 | Denis Khayrullin | Johann Hjartarson | 0-1 | 50 | Open |
| 472 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 10 | Slaven Pastar | Johann Hjartarson | 0-1 | 55 | Open |
| 473 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 9 | Johann Hjartarson | Artur Dilmukhametov | 1-0 | 38 | Open |
| 474 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 8 | Fabian Ernesto Vivas Zamora | Johann Hjartarson | 0-1 | 39 | Open |
| 475 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 7 | Johann Hjartarson | Pablo Alexander Ruiz Aguilar | 1/2-1/2 | 34 | Open |
| 476 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 6 | Viktor Dmitrenko | Johann Hjartarson | 0-1 | 44 | Open |
| 477 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 5 | Johann Hjartarson | Pawel Kowalczyk | 0-1 | 43 | Open |
| 478 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 4 | Alexey Maly | Johann Hjartarson | 1-0 | 48 | Open |
| 479 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 3 | Johann Hjartarson | Zaur Mammadov | 1-0 | 40 | Open |
| 480 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 2 | Johann Hjartarson | James Allen Dahlgren | 1-0 | 25 | Open |
| 481 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 1 | Alikhon Avazkhonov | Johann Hjartarson | 1/2-1/2 | 47 | Open |
| 482 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 11 | Veronika Shubenkova | Johann Hjartarson | 0-1 | 34 | Open |
| 483 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 10 | Johann Hjartarson | Uurtsaikh Agibileg | 0-1 | 21 | Open |
| 484 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 9 | Levente Miszler | Johann Hjartarson | 1-0 | 36 | Open |
| 485 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 8 | Tarun Kanyamarala | Johann Hjartarson | 0-1 | 55 | Open |
| 486 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 7 | Johann Hjartarson | Alexandre Kretchetov | 0-1 | 38 | Open |
| 487 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 6 | Johann Hjartarson | Oleg Terletsky | 1-0 | 43 | Open |
| 488 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 5 | Josh Bloomer | Johann Hjartarson | 1-0 | 24 | Open |
| 489 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 4 | Johann Hjartarson | Serhan Berat Ozdemir | 1/2-1/2 | 49 | Open |
| 490 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 3 | Tangi Migot | Johann Hjartarson | 0-1 | 32 | Open |
| 491 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 2 | Johann Hjartarson | Santosh Gujrathi Vidit | 0-1 | 38 | Open |
| 492 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 1 | Johann Hjartarson | Jesus Marcial Torres Cueto | 1-0 | 31 | Open |
| 493 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 11 | Uros Cvetanovic | Johann Hjartarson | 0-1 | 32 | Open |
| 494 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 10 | Johann Hjartarson | Abilmansur Abdilkhair | 1/2-1/2 | 31 | Open |
| 495 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 9 | Johann Hjartarson | Victor Bologan | 0-1 | 28 | Open |
| 496 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 8 | Klementy Sychev | Johann Hjartarson | 0-1 | 34 | Open |
| 497 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 7 | Ettore Stromboli | Johann Hjartarson | 0-1 | 67 | Open |
| 498 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 6 | Johann Hjartarson | Semen Mitusov | 1/2-1/2 | 43 | Open |
| 499 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 5 | Stanoje Jovic | Johann Hjartarson | 0-1 | 40 | Open |
| 500 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 4 | Johann Hjartarson | Ekaterina Nasyrova | 0-1 | 34 | Open |
| 501 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 3 | Tangi Migot | Johann Hjartarson | 0-1 | 41 | Open |
| 502 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 2 | Johann Hjartarson | Dmitry Andreikin | 0-1 | 26 | Open |
| 503 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 1 | Johann Hjartarson | Volkan Yirik | 1-0 | 50 | Open |
| 504 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 11 | Stanislav Tsyhanchuk | Johann Hjartarson | 1/2-1/2 | 39 | Open |
| 505 | 2021-11-30 | Titled Tuesday 30th Nov | chess.com INT | 10 | Johann Hjartarson | Gabriela Vargas | 1/2-1/2 | 51 | Open |
| 506 | 2021-11-20 | 23rd European Teams | Terme Catez SLO | 8.12 | Stepan Zilka | Johann Hjartarson | 1-0 | 63 | Open |
| 507 | 2021-11-18 | 23rd European Teams | Terme Catez SLO | 6.16 | Linus Johansson | Johann Hjartarson | 1-0 | 48 | Open |
| 508 | 2021-11-15 | 23rd European Teams | Terme Catez SLO | 4.19 | Johann Hjartarson | Emil Risteski | 0-1 | 38 | Open |
| 509 | 2021-11-14 | 23rd European Teams | Terme Catez SLO | 3.17 | Johann Hjartarson | Valery Kazakouski | 1/2-1/2 | 42 | Open |
| 510 | 2021-11-13 | 23rd European Teams | Terme Catez SLO | 2.17 | Pekka Koykka | Johann Hjartarson | 0-1 | 45 | Open |
| 511 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 9 | Johann Hjartarson | Alexander Rustemov | 0-1 | 54 | Open |
| 512 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 8 | Ekaterini Pavlidou | Johann Hjartarson | 0-1 | 47 | Open |
| 513 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 7 | Johann Hjartarson | Boris Grachev | 1/2-1/2 | 91 | Open |
| 514 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 6 | Johann Hjartarson | Logman Guliev | 1-0 | 58 | Open |
| 515 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 5 | Viktor Berezin | Johann Hjartarson | 0-1 | 46 | Open |
| 516 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 4 | Johann Hjartarson | Ivan G Stankovic | 1/2-1/2 | 54 | Open |
| 517 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 3 | Jeffery Xiong | Johann Hjartarson | 1-0 | 47 | Open |
| 518 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 2 | Johann Hjartarson | Dumitru-Daniel Dinu | 1-0 | 35 | Open |
| 519 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 1 | Aleksandar Vrbljanac | Johann Hjartarson | 1/2-1/2 | 46 | Open |
| 520 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 11 | Orest Vovk | Johann Hjartarson | 1/2-1/2 | 36 | Open |
| 521 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 10 | Ramil Sadykov | Johann Hjartarson | 1-0 | 44 | Open |
| 522 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 9 | Dawid Czerw | Johann Hjartarson | 0-1 | 35 | Open |
| 523 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 8 | Johann Hjartarson | Anna Gvanceladze | 1-0 | 40 | Open |
| 524 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 7 | Aakaash Meduri | Johann Hjartarson | 1-0 | 58 | Open |
| 525 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 6 | Johann Hjartarson | Konstantin Loy | 1/2-1/2 | 44 | Open |
| 526 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 5 | Atousa Pourkashiyan | Johann Hjartarson | 1/2-1/2 | 50 | Open |
| 527 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 4 | Johann Hjartarson | Sachdev Tania | 0-1 | 59 | Open |
| 528 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 3 | Mauri Lehtosaari | Johann Hjartarson | 0-1 | 54 | Open |
| 529 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 2 | Johann Hjartarson | Bjorn 1971 Andersson | 1-0 | 63 | Open |
| 530 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 1 | Damian Sliwicki | Johann Hjartarson | 1-0 | 38 | Open |
| 531 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 11 | Johann Hjartarson | Sergey Nefedov | 1-0 | 41 | Open |
| 532 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 10 | Johann Hjartarson | Artem Odegov | 1-0 | 60 | Open |
| 533 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 9 | Jonathan Pein | Johann Hjartarson | 0-1 | 37 | Open |
| 534 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 8 | Orest Vovk | Johann Hjartarson | 0-1 | 46 | Open |
| 535 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 7 | Johann Hjartarson | Medet Dzhaparov | 1/2-1/2 | 38 | Open |
| 536 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 6 | Johann Hjartarson | Nikolay Milchev | 1/2-1/2 | 62 | Open |
| 537 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 5 | Tanitoluwa Adewumi | Johann Hjartarson | 0-1 | 0 | Open |
| 538 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 4 | Atousa Pourkashiyan | Johann Hjartarson | 1-0 | 35 | Open |
| 539 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 3 | Johann Hjartarson | Christopher Woojin Yoo | 0-1 | 46 | Open |
| 540 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 2 | Johann Hjartarson | Asghar Golizadeh | 1-0 | 58 | Open |
| 541 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 1 | Mikhail Chernov | Johann Hjartarson | 0-1 | 22 | Open |
| 542 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 11 | Mikhail Demidov | Johann Hjartarson | 1-0 | 26 | Open |
| 543 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 10 | Johann Hjartarson | Sergei Shipov | 1-0 | 33 | Open |
| 544 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 9 | Johann Hjartarson | Victor Mikhalevski | 0-1 | 35 | Open |
| 545 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 8 | Kevin Bordi | Johann Hjartarson | 0-1 | 31 | Open |
| 546 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 7 | Johann Hjartarson | Olga Babiy | 1-0 | 33 | Open |
| 547 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 6 | Piotr Mickiewicz | Johann Hjartarson | 1/2-1/2 | 67 | Open |
| 548 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 5 | Johann Hjartarson | Vladislav Kovalev | 0-1 | 54 | Open |
| 549 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 4 | Vitor Hugo Vieira Ferreira | Johann Hjartarson | 0-1 | 25 | Open |
| 550 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 3 | Johann Hjartarson | M Ruben D Zacarias | 1-0 | 41 | Open |
| 551 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 2 | Vahap Sanal | Johann Hjartarson | 1-0 | 39 | Open |
| 552 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 1 | Johann Hjartarson | Renzo Jhonathan Rengifo Blancas | 1-0 | 38 | Open |
| 553 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 11 | Johann Hjartarson | Artur Gabrielian | 1-0 | 69 | Open |
| 554 | 2021-10-19 | Titled Tuesday 19th Oct | chess.com INT | 10 | Oleg Terletsky | Johann Hjartarson | 0-1 | 30 | Open |
| 555 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 9 | Johann Hjartarson | Orest Vovk | 0-1 | 50 | Open |
| 556 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 8 | Augustin Droin | Johann Hjartarson | 0-1 | 41 | Open |
| 557 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 7 | Medet Dzhaparov | Johann Hjartarson | 1/2-1/2 | 29 | Open |
| 558 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 6 | Johann Hjartarson | Leonid Sokolin | 0-1 | 50 | Open |
| 559 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 5 | Johann Hjartarson | Raunak Sadhwani | 0-1 | 24 | Open |
| 560 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 4 | Alexander Riazantsev | Johann Hjartarson | 1-0 | 21 | Open |
| 561 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 3 | Jose Gabriel Cardoso Cardoso | Johann Hjartarson | 0-1 | 37 | Open |
| 562 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 2 | Johann Hjartarson | Vahap Sanal | 1-0 | 45 | Open |
| 563 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 1 | Viktoriya Tarasova | Johann Hjartarson | 0-1 | 27 | Open |
| 564 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 11 | Johann Hjartarson | Sabrina Vega Gutierrez | 1-0 | 38 | Open |
| 565 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 10 | Mikhail Ekdyshman | Johann Hjartarson | 1-0 | 32 | Open |
| 566 | 2021-10-03 | TCh-ISL Premier 2021-22 | Reykjavik ISL | 5.2 | Vignir Vatnar Stefansson | Johann Hjartarson | 1-0 | 58 | Open |
| 567 | 2021-10-02 | TCh-ISL Premier 2021-22 | Reykjavik ISL | 4.3 | Johann Hjartarson | Hjorvar Steinn Gretarsson | 1-0 | 55 | Open |
| 568 | 2021-10-02 | TCh-ISL Premier 2021-22 | Reykjavik ISL | 3.1 | Johann Hjartarson | Tiger Hillarp Persson | 0-1 | 50 | Open |
| 569 | 2021-10-01 | TCh-ISL Premier 2021-22 | Reykjavik ISL | 2.3 | Gudmundur Kjartansson | Johann Hjartarson | 1-0 | 46 | Open |
| 570 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 9 | Igor A. Gulkov | Johann Hjartarson | 0-1 | 27 | Open |
| 571 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 8 | Johann Hjartarson | Evgenij Shuvalov | 1-0 | 67 | Open |
| 572 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 7 | Pablo Salinas Herrera | Johann Hjartarson | 1-0 | 46 | Open |
| 573 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 6 | Johann Hjartarson | Visakh N R | 0-1 | 44 | Open |
| 574 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 5 | Johann Hjartarson | Ivan Yeletsky | 1-0 | 32 | Open |
| 575 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 4 | Dragan Popadic | Johann Hjartarson | 0-1 | 49 | Open |
| 576 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 3 | Johann Hjartarson | Nguyen Hong Nhung | 1-0 | 26 | Open |
| 577 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 2 | Hikaru Nakamura | Johann Hjartarson | 1-0 | 38 | Open |
| 578 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 1 | Johann Hjartarson | Andrei-Mihai Bonte | 1-0 | 49 | Open |
| 579 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 11 | Johann Hjartarson | Gaston Manuel Martin Carmona | 1-0 | 33 | Open |
| 580 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 10 | Mark Timmermans | Johann Hjartarson | 1-0 | 34 | Open |
| 581 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 9 | Johann Hjartarson | Denis Khayrullin | 1-0 | 61 | Open |
| 582 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 8 | Danyyil Dvirnyy | Johann Hjartarson | 1-0 | 55 | Open |
| 583 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 7 | Johann Hjartarson | Rodrigo Vasquez Schroeder | 1/2-1/2 | 52 | Open |
| 584 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 6 | Johann Hjartarson | Vitaly Rodchenkov | 1-0 | 45 | Open |
| 585 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 5 | Vladislav Kovalev | Johann Hjartarson | 1-0 | 26 | Open |
| 586 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 4 | Johann Hjartarson | Gulmira Dauletova | 1-0 | 40 | Open |
| 587 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 3 | Carlos Alberto Gallegos Diaz | Johann Hjartarson | 0-1 | 37 | Open |
| 588 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 2 | Johann Hjartarson | Alberto Santos Flores | 1-0 | 77 | Open |
| 589 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 1 | Felix Hindermann | Johann Hjartarson | 1-0 | 35 | Open |
| 590 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 11 | Johann Hjartarson | Jakob Leon Pajeken | 0-1 | 33 | Open |
| 591 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 10 | Ivan Martic | Johann Hjartarson | 1/2-1/2 | 67 | Open |
| 592 | 2021-09-05 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 11.46 | Johann Hjartarson | Simon Thorhallsson | 1-0 | 53 | Open |
| 593 | 2021-09-04 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 10.37 | Stefan Mazur | Johann Hjartarson | 1-0 | 54 | Open |
| 594 | 2021-09-03 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 9.44 | Johann Hjartarson | Yoav Milikow | 1-0 | 103 | Open |
| 595 | 2021-09-02 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 8.39 | Benny Aizenberg | Johann Hjartarson | 1-0 | 50 | Open |
| 596 | 2021-09-01 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 7.39 | Johann Hjartarson | Vignir Vatnar Stefansson | 1/2-1/2 | 33 | Open |
| 597 | 2021-08-31 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 6.37 | Iulian Baltag | Johann Hjartarson | 1/2-1/2 | 32 | Open |
| 598 | 2021-08-30 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 5.45 | Johann Hjartarson | Philipp Humburg | 1-0 | 33 | Open |
| 599 | 2021-08-29 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 4.45 | Alexander Krastev | Johann Hjartarson | 1/2-1/2 | 38 | Open |
| 600 | 2021-08-28 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 3.39 | Johann Hjartarson | Jacob Sylvan | 1/2-1/2 | 41 | Open |
| 601 | 2021-08-27 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 2.8 | Alexey Sarana | Johann Hjartarson | 1-0 | 23 | Open |
| 602 | 2021-08-26 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 1.59 | Johann Hjartarson | Benedikt Briem | 1-0 | 54 | Open |
| 603 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 9 | Anastasia Avramidou | Johann Hjartarson | 0-1 | 28 | Open |
| 604 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 8 | Johann Hjartarson | Mikhail Kazakov | 1-0 | 61 | Open |
| 605 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 7 | Nguyen Hong Nhung | Johann Hjartarson | 0-1 | 25 | Open |
| 606 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 6 | Dmitry Gurevich | Johann Hjartarson | 1-0 | 42 | Open |
| 607 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 5 | Johann Hjartarson | Kamil Koziol | 0-1 | 49 | Open |
| 608 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 4 | Kaan Kucuksari | Johann Hjartarson | 1-0 | 33 | Open |
| 609 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 3 | Johann Hjartarson | Jegor Lashkin | 1/2-1/2 | 41 | Open |
| 610 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 2 | Jesper Morch Lauridsen | Johann Hjartarson | 0-1 | 26 | Open |
| 611 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 1 | Johann Hjartarson | Andrzej Krzywda | 1-0 | 39 | Open |
| 612 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 11 | Tanitoluwa Adewumi | Johann Hjartarson | 1/2-1/2 | 38 | Open |
| 613 | 2021-08-24 | Titled Tuesday 24th Aug | chess.com INT | 10 | Johann Hjartarson | Konstantin Loy | 0-1 | 65 | Open |
| 614 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 9 | Johann Hjartarson | Pablo Salinas Herrera | 0-1 | 18 | Open |
| 615 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 8 | Dmitry Grinblat | Johann Hjartarson | 0-1 | 25 | Open |
| 616 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 7 | Johann Hjartarson | Mateus Costamilan Tomiello | 0-1 | 69 | Open |
| 617 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 6 | Sayed Javad Alavi | Johann Hjartarson | 1-0 | 38 | Open |
| 618 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 5 | Dmitry Andreikin | Johann Hjartarson | 1-0 | 25 | Open |
| 619 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 4 | Johann Hjartarson | Maksim Tsaruk | 1-0 | 25 | Open |
| 620 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 3 | Johann Hjartarson | Rodrigo Vasquez Schroeder | 1-0 | 44 | Open |
| 621 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 2 | Aleksei Pridorozhni | Johann Hjartarson | 0-1 | 74 | Open |
| 622 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 1 | Johann Hjartarson | Ferenc Jr. Gombocz | 1-0 | 31 | Open |
| 623 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 11 | Johann Hjartarson | Mikhail Demidov | 1-0 | 1 | Open |
| 624 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 10 | Vinzent Spitzl | Johann Hjartarson | 0-1 | 47 | Open |
| 625 | 2021-05-16 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 9.4 | Johann Hjartarson | Hjorvar Steinn Gretarsson | 0-1 | 40 | Open |
| 626 | 2021-05-15 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 8.2 | Gudlaug Thorsteinsdottir | Johann Hjartarson | 1/2-1/2 | 64 | Open |
| 627 | 2021-05-15 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 7.5 | Johann Hjartarson | Gudmundur Gislason | 1-0 | 44 | Open |
| 628 | 2021-05-14 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 6.1 | Hedinn Steingrimsson | Johann Hjartarson | 1-0 | 33 | Open |
| 629 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 9 | Johann Hjartarson | Rahman Mohammad Fahad | 1-0 | 71 | Open |
| 630 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 8 | Arsen Kukhmazov | Johann Hjartarson | 0-1 | 61 | Open |
| 631 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 7 | Evgenij Novikov | Johann Hjartarson | 0-1 | 33 | Open |
| 632 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 6 | Johann Hjartarson | Pavel Chernomordik | 1/2-1/2 | 33 | Open |
| 633 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 5 | Levente Miszler | Johann Hjartarson | 0-1 | 43 | Open |
| 634 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 2 | Johann Hjartarson | Jose Eduardo Martinez Alcantara | 0-1 | 42 | Open |
| 635 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 1 | Johann Hjartarson | Rodrigo Roman | 1-0 | 39 | Open |
| 636 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 11 | Aleksandr Shimanov | Johann Hjartarson | 0-1 | 40 | Open |
| 637 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 10 | Johann Hjartarson | Arystanbek Urazayev | 1-0 | 48 | Open |
| 638 | 2021-04-30 | ch-ISL 2021 | Kopavogur ISL | 9.1 | Hannes Stefansson | Johann Hjartarson | 0-1 | 48 | Open |
| 639 | 2021-04-29 | ch-ISL 2021 | Kopavogur ISL | 8.1 | Johann Hjartarson | Bragi Thorfinnsson | 0-1 | 34 | Open |
| 640 | 2021-04-28 | ch-ISL 2021 | Kopavogur ISL | 7.1 | Sigurbjorn Bjornsson | Johann Hjartarson | 0-1 | 40 | Open |
| 641 | 2021-04-27 | ch-ISL 2021 | Kopavogur ISL | 6.1 | Johann Hjartarson | Gudmundur Kjartansson | 1-0 | 39 | Open |
| 642 | 2021-04-26 | ch-ISL 2021 | Kopavogur ISL | 5.1 | Helgi Ass Gretarsson | Johann Hjartarson | 1/2-1/2 | 68 | Open |
| 643 | 2021-04-25 | ch-ISL 2021 | Kopavogur ISL | 4.1 | Johann Hjartarson | Bjorn Thorfinnsson | 0-1 | 53 | Open |
| 644 | 2021-04-24 | ch-ISL 2021 | Kopavogur ISL | 3.1 | Alexander Oliver Mai | Johann Hjartarson | 0-1 | 36 | Open |
| 645 | 2021-04-23 | ch-ISL 2021 | Kopavogur ISL | 2.1 | Johann Hjartarson | Hjorvar Steinn Gretarsson | 1-0 | 31 | Open |
| 646 | 2021-04-22 | ch-ISL 2021 | Kopavogur ISL | 1.1 | Vignir Vatnar Stefansson | Johann Hjartarson | 0-1 | 54 | Open |
| 647 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 9 | Johann Hjartarson | Qingyu Yuan | 0-1 | 60 | Open |
| 648 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 8 | Corey Acor | Johann Hjartarson | 0-1 | 46 | Open |
| 649 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 7 | Johann Hjartarson | Mihnea Costachi | 1-0 | 48 | Open |
| 650 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 6 | Roberto Junio Brito Molina | Johann Hjartarson | 1/2-1/2 | 39 | Open |
| 651 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 5 | Johann Hjartarson | Kamran Shirazi | 1-0 | 73 | Open |
| 652 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 4 | Mark Josse | Johann Hjartarson | 1/2-1/2 | 51 | Open |
| 653 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 2 | Olexandr Bortnyk | Johann Hjartarson | 1-0 | 54 | Open |
| 654 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 1 | Johann Hjartarson | Klara Kovacs | 1-0 | 35 | Open |
| 655 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 11 | Alexander Reprintsev | Johann Hjartarson | 0-1 | 18 | Open |
| 656 | 2021-04-20 | Titled Tuesday 20th Apr | chess.com INT | 10 | Johann Hjartarson | Igor Lysyj | 0-1 | 30 | Open |
| 657 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 9 | Johann Hjartarson | Radoslaw Barski | 0-1 | 39 | Open |
| 658 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 8 | Nataliya Buksa | Johann Hjartarson | 0-1 | 51 | Open |
| 659 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 7 | Ettore Stromboli | Johann Hjartarson | 1-0 | 47 | Open |
| 660 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 6 | Johann Hjartarson | Fidel Corrales Jimenez | 0-1 | 31 | Open |
| 661 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 5 | Johann Hjartarson | Murad Ibrahimli | 1/2-1/2 | 63 | Open |
| 662 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 4 | Matei-Valeriu Mogirzan | Johann Hjartarson | 0-1 | 20 | Open |
| 663 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 2 | Olexandr Bortnyk | Johann Hjartarson | 1-0 | 36 | Open |
| 664 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 1 | Johann Hjartarson | Thomas A Eggleston | 1-0 | 26 | Open |
| 665 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 11 | Johann Hjartarson | Samuel Malka | 1-0 | 58 | Open |
| 666 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 10 | Damiano Locci | Johann Hjartarson | 0-1 | 49 | Open |
| 667 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 9 | Johann Hjartarson | Corey Acor | 1-0 | 37 | Open |
| 668 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 8 | Pavel Shkapenko | Johann Hjartarson | 0-1 | 59 | Open |
| 669 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 7 | Nikolai Gritsenko | Johann Hjartarson | 0-1 | 43 | Open |
| 670 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 6 | Johann Hjartarson | Konstantin Begunov | 1-0 | 32 | Open |
| 671 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 5 | Guha Mitrabha | Johann Hjartarson | 1-0 | 34 | Open |
| 672 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 4 | Johann Hjartarson | Yuriy Kuzubov | 1-0 | 46 | Open |
| 673 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 3 | Johann Hjartarson | Chitlange Sakshi | 1-0 | 49 | Open |
| 674 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 2 | Velimir Ivic | Johann Hjartarson | 1-0 | 38 | Open |
| 675 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 11 | Dang Hoang Son | Johann Hjartarson | 1-0 | 38 | Open |
| 676 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 10 | Johann Hjartarson | Denis Lazavik | 0-1 | 37 | Open |
| 677 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 9 | Richard Bethke | Johann Hjartarson | 1-0 | 67 | Open |
| 678 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 8 | Johann Hjartarson | Fyodor Myshakov | 0-1 | 80 | Open |
| 679 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 7 | Erik Ronka | Johann Hjartarson | 1-0 | 27 | Open |
| 680 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 6 | Johann Hjartarson | Tor Fredrik Kaasen | 0-1 | 53 | Open |
| 681 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 5 | Chelsie Monica Ignesias Sihite | Johann Hjartarson | 0-1 | 69 | Open |
| 682 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 4 | Johann Hjartarson | Damian Sliwicki | 1/2-1/2 | 74 | Open |
| 683 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 3 | Lukasz Licznerski | Johann Hjartarson | 1-0 | 54 | Open |
| 684 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 2 | Johann Hjartarson | Rasmus Svane | 1-0 | 51 | Open |
| 685 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 1 | Julia Alboredo | Johann Hjartarson | 0-1 | 61 | Open |
| 686 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 9 | Valentina Gunina | Johann Hjartarson | 1/2-1/2 | 47 | Open |
| 687 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 8 | Johann Hjartarson | Mikhail Chernov | 1-0 | 30 | Open |
| 688 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 7 | Johann Hjartarson | Umid Aslanov | 1-0 | 43 | Open |
| 689 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 6 | Damiano Locci | Johann Hjartarson | 1-0 | 29 | Open |
| 690 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 5 | Johann Hjartarson | Kevin Bordi | 0-1 | 55 | Open |
| 691 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 4 | Shah Sagar | Johann Hjartarson | 0-1 | 42 | Open |
| 692 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 2 | Federico Perez Ponsa | Johann Hjartarson | 1-0 | 33 | Open |
| 693 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 1 | Artem Legenia | Johann Hjartarson | 0-1 | 43 | Open |
| 694 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 11 | Johann Hjartarson | Jung Min Seo | 0-1 | 51 | Open |
| 695 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 10 | Pablo Salinas Herrera | Johann Hjartarson | 0-1 | 37 | Open |
| 696 | 2021-03-08 | Icelandic Cup 2021 | Reykjavik ISL | 1.4 | Johann Hjartarson | Helgi Ass Gretarsson | 0-1 | 45 | Open |
| 697 | 2021-03-08 | Icelandic Cup 2021 | Reykjavik ISL | 1.3 | Helgi Ass Gretarsson | Johann Hjartarson | 1/2-1/2 | 62 | Open |
| 698 | 2021-03-08 | Icelandic Cup 2021 | Reykjavik ISL | 1.2 | Helgi Ass Gretarsson | Johann Hjartarson | 1-0 | 47 | Open |
| 699 | 2021-03-08 | Icelandic Cup 2021 | Reykjavik ISL | 1.1 | Johann Hjartarson | Helgi Ass Gretarsson | 1-0 | 35 | Open |
| 700 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 9 | Johann Hjartarson | Renato Terry | 1-0 | 41 | Open |
| 701 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 8 | Epameinondas Kourousis | Johann Hjartarson | 0-1 | 33 | Open |
| 702 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 7 | Johann Hjartarson | Valery Kazakouski | 0-1 | 32 | Open |
| 703 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 6 | Johann Hjartarson | Abdulla Gadimbayli | 1-0 | 22 | Open |
| 704 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 5 | Tor Fredrik Kaasen | Johann Hjartarson | 1-0 | 40 | Open |
| 705 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 4 | Dmitry Goltsev | Johann Hjartarson | 0-1 | 39 | Open |
| 706 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 3 | Johann Hjartarson | Jesus Alberto Coca Cubillos | 1-0 | 37 | Open |
| 707 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 2 | Johann Hjartarson | Visakh N R | 0-1 | 31 | Open |
| 708 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 1 | Klara Kovacs | Johann Hjartarson | 0-1 | 42 | Open |
| 709 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 10 | Mihnea Costachi | Johann Hjartarson | 1-0 | 35 | Open |
| 710 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 9 | Alexey Maly | Johann Hjartarson | 1/2-1/2 | 44 | Open |
| 711 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 8 | Johann Hjartarson | Igor Nemtzev | 1-0 | 53 | Open |
| 712 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 7 | Alexandra Kosteniuk | Johann Hjartarson | 1-0 | 57 | Open |
| 713 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 6 | Tobias Koelle | Johann Hjartarson | 1-0 | 28 | Open |
| 714 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 5 | Johann Hjartarson | Renato R. Quintiliano | 1/2-1/2 | 48 | Open |
| 715 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 4 | Velimir Ivic | Johann Hjartarson | 1-0 | 35 | Open |
| 716 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 3 | Johann Hjartarson | Aleksey Sorokin | 1-0 | 69 | Open |
| 717 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 2 | Felipe de Cresce El Debs | Johann Hjartarson | 0-1 | 59 | Open |
| 718 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 10 | Johann Hjartarson | Necmettin Korkmaz | 1-0 | 56 | Open |
| 719 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 9 | Johann Hjartarson | Anna Jakubowska | 1-0 | 50 | Open |
| 720 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 7 | Arthur Muromtsev | Johann Hjartarson | 1-0 | 34 | Open |
| 721 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 6 | Johann Hjartarson | Ekaterina Nasyrova | 0-1 | 50 | Open |
| 722 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 5 | Leon Mazi | Johann Hjartarson | 1-0 | 52 | Open |
| 723 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 4 | Tobias Koelle | Johann Hjartarson | 1-0 | 52 | Open |
| 724 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 2 | Jonas Buhl Bjerre | Johann Hjartarson | 1-0 | 55 | Open |
| 725 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 1 | Johann Hjartarson | Martyna Starosta | 1-0 | 37 | Open |
| 726 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 11 | Johann Hjartarson | Kelvin Antonio Sanchez Alvares | 1-0 | 51 | Open |
| 727 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 10 | Matan Prilleltensky | Johann Hjartarson | 0-1 | 52 | Open |
| 728 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 9 | Johann Hjartarson | Cristian-Clement Daianu | 1-0 | 44 | Open |
| 729 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 8 | Ladislav Langner | Johann Hjartarson | 1/2-1/2 | 47 | Open |
| 730 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 7 | Johann Hjartarson | Armin Kekic | 1-0 | 44 | Open |
| 731 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 6 | Amina Kairbekova | Johann Hjartarson | 1-0 | 45 | Open |
| 732 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 5 | Johann Hjartarson | Dina Belenkaya | 1-0 | 54 | Open |
| 733 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 4 | Christopher Woojin Yoo | Johann Hjartarson | 1-0 | 31 | Open |
| 734 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 3 | Johann Hjartarson | Viktor Dmitrenko | 1-0 | 48 | Open |
| 735 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 2 | Vladimir Chernikov | Johann Hjartarson | 0-1 | 42 | Open |
| 736 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 1 | Johann Hjartarson | Sofiia Hryzlova | 0-1 | 66 | Open |
| 737 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 11 | Medet Dzhaparov | Johann Hjartarson | 1-0 | 50 | Open |
| 738 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 10 | Johann Hjartarson | Ismayil Shahaliyev | 1/2-1/2 | 12 | Open |
| 739 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 9 | Johann Hjartarson | Erdni Urjubdshzirov | 1/2-1/2 | 31 | Open |
| 740 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 8 | Johann Hjartarson | Javier Jose Osorio Guevara | 0-1 | 40 | Open |
| 741 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 7 | Paul Velten | Johann Hjartarson | 1-0 | 34 | Open |
| 742 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 6 | Mathias Unneland | Johann Hjartarson | 0-1 | 42 | Open |
| 743 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 5 | Johann Hjartarson | Michael Buscar | 1-0 | 31 | Open |
| 744 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 4 | David Paravyan | Johann Hjartarson | 1-0 | 27 | Open |
| 745 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 3 | Johann Hjartarson | Mauri Lehtosaari | 1-0 | 49 | Open |
| 746 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 2 | Evgeny Tomashevsky | Johann Hjartarson | 1-0 | 60 | Open |
| 747 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 1 | Johann Hjartarson | Andrzej Krzywda | 1-0 | 27 | Open |
| 748 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 11 | Lile Koridze | Johann Hjartarson | 1-0 | 46 | Open |
| 749 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 10 | Dina Belenkaya | Johann Hjartarson | 1-0 | 40 | Open |
| 750 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 9 | Johann Hjartarson | Danil Najdin | 1-0 | 50 | Open |
| 751 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 8 | Roberto Garcia Pantoja | Johann Hjartarson | 1-0 | 33 | Open |
| 752 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 6 | Johann Hjartarson | Damian Daniel | 1-0 | 60 | Open |
| 753 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 5 | Johann Hjartarson | Renato Terry | 0-1 | 41 | Open |
| 754 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 4 | Yvain Bruned | Johann Hjartarson | 1/2-1/2 | 32 | Open |
| 755 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 3 | Raymond Kaufman | Johann Hjartarson | 0-1 | 45 | Open |
| 756 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 2 | Johann Hjartarson | Daniil Lintchevski | 0-1 | 39 | Open |
| 757 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 1 | Olga Matveeva | Johann Hjartarson | 0-1 | 22 | Open |
| 758 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 10 | Johann Hjartarson | Maksim Chigaev | 0-1 | 34 | Open |
| 759 | 2020-12-28 | ch-ISL Rapid Final 2020 | Tornelo INT | 1.2 | Johann Hjartarson | Bragi Thorfinnsson | 1-0 | 63 | Open |
| 760 | 2020-12-28 | ch-ISL Rapid Final 2020 | Tornelo INT | 1.1 | Bragi Thorfinnsson | Johann Hjartarson | 1/2-1/2 | 61 | Open |
| 761 | 2020-12-27 | ch-ISL Rapid Final 2020 | Tornelo INT | 2.3 | Johann Hjartarson | Hjorvar Steinn Gretarsson | 0-1 | 33 | Open |
| 762 | 2020-12-27 | ch-ISL Rapid Final 2020 | Tornelo INT | 2.2 | Hjorvar Steinn Gretarsson | Johann Hjartarson | 1-0 | 31 | Open |
| 763 | 2020-12-27 | ch-ISL Rapid Final 2020 | Tornelo INT | 2.1 | Johann Hjartarson | Hjorvar Steinn Gretarsson | 1-0 | 52 | Open |
| 764 | 2020-12-26 | ch-ISL Rapid 2020 | Tornelo INT | 7.1 | Johann Hjartarson | Hjorvar Steinn Gretarsson | 0-1 | 48 | Open |
| 765 | 2020-12-26 | ch-ISL Rapid 2020 | Tornelo INT | 6.1 | David Kjartansson | Johann Hjartarson | 1/2-1/2 | 91 | Open |
| 766 | 2020-12-26 | ch-ISL Rapid 2020 | Tornelo INT | 5.1 | Johann Hjartarson | Bragi Thorfinnsson | 1-0 | 36 | Open |
| 767 | 2020-12-26 | ch-ISL Rapid 2020 | Tornelo INT | 4.2 | Helgi Ass Gretarsson | Johann Hjartarson | 0-1 | 25 | Open |
| 768 | 2020-12-26 | ch-ISL Rapid 2020 | Tornelo INT | 3.2 | Johann Hjartarson | Jon Kristinn Thorgeirsson | 1-0 | 27 | Open |
| 769 | 2020-12-26 | ch-ISL Rapid 2020 | Tornelo INT | 2.2 | Alexander Oliver Mai | Johann Hjartarson | 0-1 | 22 | Open |
| 770 | 2020-12-26 | ch-ISL Rapid 2020 | Tornelo INT | 1.2 | Johann Hjartarson | Benedikt Briem | 1-0 | 37 | Open |
| 771 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 9.51 | Anton Yatzenko | Johann Hjartarson | 1-0 | 55 | Open |
| 772 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 8.28 | Johann Hjartarson | Sanan Sjugirov | 0-1 | 35 | Open |
| 773 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 7.54 | Johann Hjartarson | Nikolaos Galopoulos | 1-0 | 40 | Open |
| 774 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 6.74 | Evgenios Ioannidis | Johann Hjartarson | 0-1 | 35 | Open |
| 775 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 5.52 | Johann Hjartarson | Or Globus | 0-1 | 41 | Open |
| 776 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 4.16 | David Navara | Johann Hjartarson | 1-0 | 44 | Open |
| 777 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 3.45 | Johann Hjartarson | Mateusz Paszewski | 1-0 | 32 | Open |
| 778 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 2.57 | Azat Gabdrakhmanov | Johann Hjartarson | 1/2-1/2 | 46 | Open |
| 779 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 11.75 | Pierre Villegas | Johann Hjartarson | 0-1 | 31 | Open |
| 780 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 10.62 | Johann Hjartarson | Konstantinos Megalios | 0-1 | 79 | Open |
| 781 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 1.84 | Johann Hjartarson | Leon Mazi | 1-0 | 34 | Open |
| 782 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 9 | Johann Hjartarson | Kazbek Primbetov | 0-1 | 53 | Open |
| 783 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 8 | German Spata | Johann Hjartarson | 1-0 | 68 | Open |
| 784 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 6 | Johann Hjartarson | Mihnea Costachi | 0-1 | 60 | Open |
| 785 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 5 | Mikhail Markov | Johann Hjartarson | 1/2-1/2 | 55 | Open |
| 786 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 4 | Tymon Ochedzan | Johann Hjartarson | 0-1 | 46 | Open |
| 787 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 3 | Johann Hjartarson | Francisco Orantes Taboada | 1-0 | 37 | Open |
| 788 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 2 | Varvara Saulina | Johann Hjartarson | 0-1 | 22 | Open |
| 789 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 1 | Johann Hjartarson | Alexander Andres Hernandez Jimenez | 0-1 | 53 | Open |
| 790 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 11 | Johann Hjartarson | Grigory Seletsky | 1-0 | 56 | Open |
| 791 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 9.3 | Bragi Thorfinnsson | Johann Hjartarson | 1-0 | 56 | Open |
| 792 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 8.7 | Johann Hjartarson | Hannes Stefansson | 1-0 | 29 | Open |
| 793 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 7.2 | Jon Kristinn Thorgeirsson | Johann Hjartarson | 1-0 | 23 | Open |
| 794 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 6.8 | Johann Hjartarson | Helgi Ass Gretarsson | 1-0 | 35 | Open |
| 795 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 5.1 | Johann Hjartarson | Gudmundur Kjartansson | 1-0 | 86 | Open |
| 796 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 4.8 | Magnus Orn Ulfarsson | Johann Hjartarson | 0-1 | 28 | Open |
| 797 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 3.2 | Johann Hjartarson | Robert Lagerman | 0-1 | 93 | Open |
| 798 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 2.7 | Gunnar Runarsson | Johann Hjartarson | 0-1 | 30 | Open |
| 799 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 15.6 | Arnar Gunnarsson | Johann Hjartarson | 0-1 | 35 | Open |
| 800 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 14.4 | Johann Hjartarson | Gudmundur Gislason | 1/2-1/2 | 34 | Open |
| 801 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 13.5 | Hjorvar Steinn Gretarsson | Johann Hjartarson | 1-0 | 40 | Open |
| 802 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 12.5 | Johann Hjartarson | Jon Viktor Gunnarsson | 1-0 | 45 | Open |
| 803 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 11.4 | David Kjartansson | Johann Hjartarson | 0-1 | 85 | Open |
| 804 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 10.6 | Johann Hjartarson | Andri A Gretarsson | 1-0 | 47 | Open |
| 805 | 2020-12-12 | ch-ISL Blitz 2020 | Tornelo INT | 1.3 | Johann Hjartarson | Vignir Vatnar Stefansson | 1-0 | 66 | Open |
| 806 | 2020-08-16 | Online Olym Div2 D 2020 | chess.com INT | 8.2 | Johann Hjartarson | Killian Delaney | 0-1 | 44 | Open |
| 807 | 2020-08-15 | Online Olym Div2 D 2020 | chess.com INT | 6.3 | Johann Hjartarson | Mads Andersen | 0-1 | 35 | Open |
| 808 | 2020-08-15 | Online Olym Div2 D 2020 | chess.com INT | 5.3 | Vahap Sanal | Johann Hjartarson | 1-0 | 41 | Open |
| 809 | 2020-08-15 | Online Olym Div2 D 2020 | chess.com INT | 4.4 | Johann Hjartarson | Aleksandar Indjic | 1/2-1/2 | 66 | Open |
| 810 | 2020-01-30 | Gibraltar Masters 2020 | Caleta ENG | 10.41 | Xander Wemmers | Johann Hjartarson | 0-1 | 43 | Open |
| 811 | 2020-01-29 | Gibraltar Masters 2020 | Caleta ENG | 9.39 | Johann Hjartarson | Irine Kharisma Sukandar | 1/2-1/2 | 43 | Open |
| 812 | 2020-01-28 | Gibraltar Masters 2020 | Caleta ENG | 8.42 | Sankalp Gupta | Johann Hjartarson | 1/2-1/2 | 34 | Open |
| 813 | 2020-01-27 | Gibraltar Masters 2020 | Caleta ENG | 7.14 | Johann Hjartarson | David Navara | 0-1 | 34 | Open |
| 814 | 2020-01-26 | Gibraltar Masters 2020 | Caleta ENG | 6.6 | Mikhail Kobalia | Johann Hjartarson | 1-0 | 28 | Open |
| 815 | 2020-01-25 | Gibraltar Masters 2020 | Caleta ENG | 5.17 | Johann Hjartarson | Bogdan-Daniel Deac | 1-0 | 45 | Open |
| 816 | 2020-01-24 | Gibraltar Masters 2020 | Caleta ENG | 4.39 | Johann Hjartarson | Mindaugas Beinoras | 1-0 | 64 | Open |
| 817 | 2020-01-23 | Gibraltar Masters 2020 | Caleta ENG | 3.12 | Maksim Chigaev | Johann Hjartarson | 1-0 | 26 | Open |
| 818 | 2020-01-22 | Gibraltar Masters 2020 | Caleta ENG | 2.48 | Gerben Veltkamp | Johann Hjartarson | 0-1 | 27 | Open |
| 819 | 2020-01-21 | Gibraltar Masters 2020 | Caleta ENG | 1.64 | Johann Hjartarson | Job De Lange | 1-0 | 36 | Open |
| 820 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 9.35 | Igor Shvyrjov | Johann Hjartarson | 1-0 | 50 | Open |
| 821 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 8.6 | Gabriel Sargissian | Johann Hjartarson | 1-0 | 36 | Open |
| 822 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 7.6 | Johann Hjartarson | Gabriel Sargissian | 0-1 | 66 | Open |
| 823 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 6.9 | Timur Khakimov | Johann Hjartarson | 1/2-1/2 | 70 | Open |
| 824 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 5.9 | Johann Hjartarson | Timur Khakimov | 1-0 | 25 | Open |
| 825 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 4.16 | Johann Hjartarson | Guntars Antoms | 1-0 | 40 | Open |
| 826 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 3.16 | Guntars Antoms | Johann Hjartarson | 0-1 | 32 | Open |
| 827 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 22.15 | Juras Mickevicius | Johann Hjartarson | 1-0 | 47 | Open |
| 828 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 21.15 | Johann Hjartarson | Juras Mickevicius | 1-0 | 62 | Open |
| 829 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 20.23 | Johann Hjartarson | Andrei Shishkov | 1-0 | 55 | Open |
| 830 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 19.23 | Andrei Shishkov | Johann Hjartarson | 0-1 | 38 | Open |
| 831 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 18.11 | Kirill Stupak | Johann Hjartarson | 1-0 | 50 | Open |
| 832 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 17.11 | Johann Hjartarson | Kirill Stupak | 0-1 | 75 | Open |
| 833 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 16.18 | Johann Hjartarson | Jani Ahvenjarvi | 1-0 | 39 | Open |
| 834 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 15.18 | Jani Ahvenjarvi | Johann Hjartarson | 0-1 | 38 | Open |
| 835 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 10.35 | Johann Hjartarson | Igor Shvyrjov | 0-1 | 33 | Open |
| 836 | 2019-12-07 | European Blitz 2019 | Tallinn EST | 1.18 | Johann Hjartarson | Ilia Malinovskii | 1-0 | 29 | Open |
| 837 | 2019-12-06 | European Rapid 2019 | Tallinn EST | 9.9 | Thai Dai Van Nguyen | Johann Hjartarson | 1-0 | 29 | Open |
| 838 | 2019-12-06 | European Rapid 2019 | Tallinn EST | 8.5 | Johann Hjartarson | Rauf Mamedov | 0-1 | 35 | Open |
| 839 | 2019-12-06 | European Rapid 2019 | Tallinn EST | 13.16 | Juras Mickevicius | Johann Hjartarson | 1-0 | 58 | Open |
| 840 | 2019-12-06 | European Rapid 2019 | Tallinn EST | 12.2 | Johann Hjartarson | Verners Putka | 1-0 | 27 | Open |
| 841 | 2019-12-06 | European Rapid 2019 | Tallinn EST | 11.28 | Igor Shvyrjov | Johann Hjartarson | 0-1 | 55 | Open |
| 842 | 2019-12-06 | European Rapid 2019 | Tallinn EST | 10.27 | Johann Hjartarson | Dmitry Kononenko | 1/2-1/2 | 57 | Open |
| 843 | 2019-12-05 | European Rapid 2019 | Tallinn EST | 7.1 | Alexander Riazantsev | Johann Hjartarson | 1/2-1/2 | 48 | Open |
| 844 | 2019-12-05 | European Rapid 2019 | Tallinn EST | 6.9 | Johann Hjartarson | Lucas Van Foreest | 1-0 | 22 | Open |
| 845 | 2019-12-05 | European Rapid 2019 | Tallinn EST | 5.14 | Alexander Timerkhanov | Johann Hjartarson | 0-1 | 28 | Open |
| 846 | 2019-12-05 | European Rapid 2019 | Tallinn EST | 4.24 | Johann Hjartarson | Timur Khakimov | 1-0 | 60 | Open |
| 847 | 2019-12-05 | European Rapid 2019 | Tallinn EST | 1.25 | Vladislav Efremov | Johann Hjartarson | 1/2-1/2 | 28 | Open |
| 848 | 2019-10-06 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 5.5 | Oleksandr Sulypa | Johann Hjartarson | 0-1 | 43 | Open |
| 849 | 2019-10-05 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 4.2 | Johann Hjartarson | Semyon Lomasov | 1-0 | 51 | Open |
| 850 | 2019-10-05 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 3.4 | Aron Thor Mai | Johann Hjartarson | 0-1 | 29 | Open |
| 851 | 2019-10-04 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 2.3 | Johann Hjartarson | Olafur Thorsson | 1-0 | 32 | Open |
| 852 | 2019-10-03 | TCh-ISL Div 1 2019-20 | Reykjavik ISL | 1.3 | Bjorn-Ivar Karlsson | Johann Hjartarson | 0-1 | 44 | Open |
| 853 | 2019-07-28 | Xtracon Chess Open 2019 | Helsingor DEN | 10.15 | Erik Ronka | Johann Hjartarson | 1/2-1/2 | 42 | Open |
| 854 | 2019-07-27 | Xtracon Chess Open 2019 | Helsingor DEN | 9.14 | Johann Hjartarson | Kristian Stuvik Holm | 1/2-1/2 | 55 | Open |
| 855 | 2019-07-26 | Xtracon Chess Open 2019 | Helsingor DEN | 8.18 | Martin Haubro-Suppanz | Johann Hjartarson | 0-1 | 27 | Open |
| 856 | 2019-07-25 | Xtracon Chess Open 2019 | Helsingor DEN | 7.5 | Johann Hjartarson | Aryan Tari | 0-1 | 33 | Open |
| 857 | 2019-07-24 | Xtracon Chess Open 2019 | Helsingor DEN | 6.15 | Frank Buchenau | Johann Hjartarson | 0-1 | 79 | Open |
| 858 | 2019-07-23 | Xtracon Chess Open 2019 | Helsingor DEN | 5.19 | Johann Hjartarson | Torben Soraas | 1-0 | 33 | Open |
| 859 | 2019-07-22 | Xtracon Chess Open 2019 | Helsingor DEN | 4.15 | Elena Tomilova | Johann Hjartarson | 1-0 | 42 | Open |
| 860 | 2019-07-21 | Xtracon Chess Open 2019 | Helsingor DEN | 3.19 | Johann Hjartarson | Alexander Rosenkilde | 1-0 | 28 | Open |
| 861 | 2019-07-21 | Xtracon Chess Open 2019 | Helsingor DEN | 2.22 | Richard Lilja | Johann Hjartarson | 0-1 | 41 | Open |
| 862 | 2019-07-20 | Xtracon Chess Open 2019 | Helsingor DEN | 1.23 | Johann Hjartarson | Bjarne Undheim | 1-0 | 59 | Open |
| 863 | 2019-04-24 | World Senior Teams +50 | Rhodes GRE | 9.3 | Johann Hjartarson | Ilan Manor | 0-1 | 73 | Open |
| 864 | 2019-04-23 | World Senior Teams +50 | Rhodes GRE | 8.3 | Tatiana Grabuzova | Johann Hjartarson | 0-1 | 47 | Open |
| 865 | 2019-04-22 | World Senior Teams +50 | Rhodes GRE | 7.3 | Artashes Minasian | Johann Hjartarson | 0-1 | 69 | Open |
| 866 | 2019-04-21 | World Senior Teams +50 | Rhodes GRE | 6.1 | Johann Hjartarson | Igor Novikov | 1-0 | 39 | Open |
| 867 | 2019-04-20 | World Senior Teams +50 | Rhodes GRE | 5.4 | Jouni Yrjola | Johann Hjartarson | 1/2-1/2 | 23 | Open |
| 868 | 2019-04-19 | World Senior Teams +50 | Rhodes GRE | 4.2 | Keith C Arkell | Johann Hjartarson | 1-0 | 37 | Open |
| 869 | 2019-04-18 | World Senior Teams +50 | Rhodes GRE | 3.1 | Johann Hjartarson | Carlos Horacio Garcia Palermo | 1/2-1/2 | 60 | Open |
| 870 | 2019-04-16 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 9.4 | Alireza Firouzja | Johann Hjartarson | 1-0 | 68 | Open |
| 871 | 2019-04-15 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 8.14 | Louis Salles | Johann Hjartarson | 0-1 | 42 | Open |
| 872 | 2019-04-14 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 7.17 | Johann Hjartarson | Daniel Abbas | 1-0 | 25 | Open |
| 873 | 2019-04-13 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 6.18 | Julius Chittka | Johann Hjartarson | 1/2-1/2 | 86 | Open |
| 874 | 2019-04-11 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 5.13 | Johann Hjartarson | Christopher Woojin Yoo | 1/2-1/2 | 44 | Open |
| 875 | 2019-04-10 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 4.17 | Vignir Vatnar Stefansson | Johann Hjartarson | 0-1 | 90 | Open |
| 876 | 2019-04-09 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 3.6 | Johann Hjartarson | Robert Hovhannisyan | 0-1 | 48 | Open |
| 877 | 2019-04-09 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 2.22 | Teja Vidic | Johann Hjartarson | 0-1 | 32 | Open |
| 878 | 2019-04-08 | GAMMA Reykjavik Open 2019 | Reykjavik ISL | 1.25 | Johann Hjartarson | Lars Laustsen | 1-0 | 37 | Open |
| 879 | 2019-03-02 | TCh-ISL Div 1 2018-19 | Reykjavik ISL | 9.1 | Johann Hjartarson | Alexander Oliver Mai | 1-0 | 40 | Open |
| 880 | 2019-03-02 | TCh-ISL Div 1 2018-19 | Reykjavik ISL | 8.5 | Soren Bech Hansen | Johann Hjartarson | 0-1 | 50 | Open |
| 881 | 2019-03-01 | TCh-ISL Div 1 2018-19 | Reykjavik ISL | 7.2 | Johann Hjartarson | Hannes Stefansson | 0-1 | 41 | Open |
| 882 | 2019-02-28 | TCh-ISL Div 1 2018-19 | Reykjavik ISL | 6.4 | Robert Ris | Johann Hjartarson | 1-0 | 32 | Open |
| 883 | 2019-01-31 | Gibraltar Masters 2019 | Caleta ENG | 10.42 | Johann Hjartarson | Kalle Kiik | 1/2-1/2 | 45 | Open |
| 884 | 2019-01-30 | Gibraltar Masters 2019 | Caleta ENG | 9.22 | Ivan Cheparinov | Johann Hjartarson | 1-0 | 28 | Open |
| 885 | 2019-01-29 | Gibraltar Masters 2019 | Caleta ENG | 8.42 | Johann Hjartarson | Adam Kozak | 1-0 | 66 | Open |
| 886 | 2019-01-28 | Gibraltar Masters 2019 | Caleta ENG | 7.43 | Karina Cyfka | Johann Hjartarson | 1/2-1/2 | 35 | Open |
| 887 | 2019-01-27 | Gibraltar Masters 2019 | Caleta ENG | 6.41 | Johann Hjartarson | Erik Hedman | 1/2-1/2 | 64 | Open |
| 888 | 2019-01-26 | Gibraltar Masters 2019 | Caleta ENG | 5.2 | Eduardo Iturrizaga Bonelli | Johann Hjartarson | 1-0 | 51 | Open |
| 889 | 2019-01-25 | Gibraltar Masters 2019 | Caleta ENG | 4.17 | Johann Hjartarson | Pavel Eljanov | 1/2-1/2 | 32 | Open |
| 890 | 2019-01-24 | Gibraltar Masters 2019 | Caleta ENG | 3.4 | Andres Merario Alarcon | Johann Hjartarson | 0-1 | 40 | Open |
| 891 | 2019-01-23 | Gibraltar Masters 2019 | Caleta ENG | 2.6 | Johann Hjartarson | Nikita Vitiugov | 1/2-1/2 | 30 | Open |
| 892 | 2019-01-22 | Gibraltar Masters 2019 | Caleta ENG | 1.65 | Paulo Pinho | Johann Hjartarson | 0-1 | 23 | Open |
| 893 | 2018-11-11 | TCh-ISL Div 1 2018-19 | Reykjavik ISL | 5.3 | Johann Hjartarson | Halldor Halldorsson | 1-0 | 37 | Open |
| 894 | 2018-11-08 | TCh-ISL Div 1 2018-19 | Reykjavik ISL | 1.5 | Johann Hjartarson | Oleksandr Sulypa | 1-0 | 65 | Open |
| 895 | 2018-10-05 | 43rd Olympiad 2018 | Batumi GEO | 11.25 | Dragisa Blagojevic | Johann Hjartarson | 1-0 | 51 | Open |
| 896 | 2018-10-04 | 43rd Olympiad 2018 | Batumi GEO | 10.37 | Johann Hjartarson | Murtez Ondozi | 1-0 | 40 | Open |
| 897 | 2018-10-03 | 43rd Olympiad 2018 | Batumi GEO | 9.21 | Hans Tikkanen | Johann Hjartarson | 1/2-1/2 | 44 | Open |
| 898 | 2018-10-02 | 43rd Olympiad 2018 | Batumi GEO | 8.39 | Johann Hjartarson | Tagir Taalaibekov | 1-0 | 44 | Open |
| 899 | 2018-10-01 | 43rd Olympiad 2018 | Batumi GEO | 7.41 | Farrukh Amonatov | Johann Hjartarson | 1-0 | 43 | Open |
| 900 | 2018-09-30 | 43rd Olympiad 2018 | Batumi GEO | 6.27 | Anuar Ismagambetov | Johann Hjartarson | 1/2-1/2 | 78 | Open |
| 901 | 2018-09-28 | 43rd Olympiad 2018 | Batumi GEO | 5.45 | Sehyun Kwon | Johann Hjartarson | 0-1 | 78 | Open |
| 902 | 2018-09-27 | 43rd Olympiad 2018 | Batumi GEO | 4.19 | Johann Hjartarson | Frode Olav Olsen Urkedal | 0-1 | 36 | Open |
| 903 | 2018-09-26 | 43rd Olympiad 2018 | Batumi GEO | 3.8 | Maxim Rodshtein | Johann Hjartarson | 1-0 | 49 | Open |
| 904 | 2018-09-25 | 43rd Olympiad 2018 | Batumi GEO | 2.28 | Arturs Neiksans | Johann Hjartarson | 0-1 | 73 | Open |
| 905 | 2018-07-29 | Xtracon Chess Open 2018 | Helsingor DEN | 10.6 | Johann Hjartarson | Baadur Jobava | 0-1 | 49 | Open |
| 906 | 2018-07-28 | Xtracon Chess Open 2018 | Helsingor DEN | 9.15 | Frank Buchenau | Johann Hjartarson | 0-1 | 33 | Open |
| 907 | 2018-07-27 | Xtracon Chess Open 2018 | Helsingor DEN | 8.16 | Johann Hjartarson | Tom Rydstrom | 1-0 | 46 | Open |
| 908 | 2018-07-26 | Xtracon Chess Open 2018 | Helsingor DEN | 7.3 | Nikita Vitiugov | Johann Hjartarson | 1-0 | 69 | Open |
| 909 | 2018-07-25 | Xtracon Chess Open 2018 | Helsingor DEN | 6.16 | Johann Hjartarson | Craig Hilby | 1-0 | 27 | Open |
| 910 | 2018-07-24 | Xtracon Chess Open 2018 | Helsingor DEN | 5.1 | Ivan Saric | Johann Hjartarson | 1-0 | 44 | Open |
| 911 | 2018-07-23 | Xtracon Chess Open 2018 | Helsingor DEN | 4.1 | Johann Hjartarson | Kaumandur Srihari Raghunandan | 1-0 | 41 | Open |
| 912 | 2018-07-22 | Xtracon Chess Open 2018 | Helsingor DEN | 3.15 | Bernd, Dr. Baum | Johann Hjartarson | 0-1 | 29 | Open |
| 913 | 2018-07-22 | Xtracon Chess Open 2018 | Helsingor DEN | 2.19 | Johann Hjartarson | Nicolai Kistrup | 1-0 | 52 | Open |
| 914 | 2018-07-21 | Xtracon Chess Open 2018 | Helsingor DEN | 1.2 | Sigurd B. Justinussen | Johann Hjartarson | 0-1 | 21 | Open |
| 915 | 2018-03-14 | Reykjavik Open 2018 | Reykjavik ISL | 9.2 | Johann Hjartarson | Haik Der Manuelian | 1-0 | 26 | Open |
| 916 | 2018-03-13 | Reykjavik Open 2018 | Reykjavik ISL | 8.7 | Matthieu Cornette | Johann Hjartarson | 1-0 | 41 | Open |
| 917 | 2018-03-12 | Reykjavik Open 2018 | Reykjavik ISL | 7.18 | Johann Hjartarson | Sebastien Midoux | 1-0 | 35 | Open |
| 918 | 2018-03-11 | Reykjavik Open 2018 | Reykjavik ISL | 6.14 | David H. Cummings | Johann Hjartarson | 1/2-1/2 | 47 | Open |
| 919 | 2018-03-10 | Reykjavik Open 2018 | Reykjavik ISL | 5.2 | Johann Hjartarson | Aleksandr Lenderman | 0-1 | 57 | Open |
| 920 | 2018-03-08 | Reykjavik Open 2018 | Reykjavik ISL | 4.3 | Pavel Eljanov | Johann Hjartarson | 0-1 | 36 | Open |
| 921 | 2018-03-07 | Reykjavik Open 2018 | Reykjavik ISL | 3.19 | Johann Hjartarson | Kostya Kavutskiy | 1-0 | 41 | Open |
| 922 | 2018-03-07 | Reykjavik Open 2018 | Reykjavik ISL | 2.29 | David J Grant | Johann Hjartarson | 0-1 | 37 | Open |
| 923 | 2018-03-06 | Reykjavik Open 2018 | Reykjavik ISL | 1.23 | Johann Hjartarson | Dieter Seyb | 1/2-1/2 | 41 | Open |
| 924 | 2018-03-03 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 9.5 | Johann Hjartarson | Throstur Thorhallsson | 1-0 | 103 | Open |
| 925 | 2018-03-03 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 8.2 | Smari Olafsson | Johann Hjartarson | 0-1 | 23 | Open |
| 926 | 2018-03-02 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 7.4 | Johann Hjartarson | Oleksandr Sulypa | 1/2-1/2 | 29 | Open |
| 927 | 2018-03-01 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 6.3 | David Kjartansson | Johann Hjartarson | 0-1 | 25 | Open |
| 928 | 2018-02-28 | PRO League Group Stage | chess.com INT | 8 | Marcus R Harvey | Johann Hjartarson | 1/2-1/2 | 34 | Open |
| 929 | 2018-02-28 | PRO League Group Stage | chess.com INT | 8 | Edward Porper | Johann Hjartarson | 0-1 | 60 | Open |
| 930 | 2018-02-28 | PRO League Group Stage | chess.com INT | 8 | Johann Hjartarson | Christian Bauer | 0-1 | 20 | Open |
| 931 | 2018-02-28 | PRO League Group Stage | chess.com INT | 8 | Johann Hjartarson | Andrew P Horton | 1-0 | 45 | Open |
| 932 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Johann Hjartarson | Yangyi Yu | 0-1 | 53 | Open |
| 933 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Johann Hjartarson | Jeffery Xiong | 0-1 | 38 | Open |
| 934 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Johann Hjartarson | Aleksandr Lenderman | 1/2-1/2 | 54 | Open |
| 935 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Johann Hjartarson | Fabiano Caruana | 0-1 | 41 | Open |
| 936 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Awonder Liang | Johann Hjartarson | 1-0 | 45 | Open |
| 937 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Hikaru Nakamura | Johann Hjartarson | 1-0 | 40 | Open |
| 938 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Olexandr Bortnyk | Johann Hjartarson | 0-1 | 37 | Open |
| 939 | 2018-02-24 | PRO League Group Stage | chess.com INT | 7 | Federico Perez Ponsa | Johann Hjartarson | 0-1 | 40 | Open |
| 940 | 2018-02-21 | Graz Open A 2018 | Graz AUT | 7.9 | Johann Hjartarson | Christoph Menezes | 0-1 | 40 | Open |
| 941 | 2018-02-21 | Graz Open A 2018 | Graz AUT | 6.16 | 1600303 | Johann Hjartarson | 0-1 | 44 | Open |
| 942 | 2018-02-20 | Graz Open A 2018 | Graz AUT | 5.29 | Johann Hjartarson | Hans-Juergen Koller | 1-0 | 33 | Open |
| 943 | 2018-02-19 | Graz Open A 2018 | Graz AUT | 4.12 | Mateusz Paszewski | Johann Hjartarson | 1-0 | 45 | Open |
| 944 | 2018-02-19 | Graz Open A 2018 | Graz AUT | 3.22 | Johann Hjartarson | Dirk Maxion | 1-0 | 46 | Open |
| 945 | 2018-02-18 | Graz Open A 2018 | Graz AUT | 2.4 | Johannes Pernerstorfer | Johann Hjartarson | 0-1 | 38 | Open |
| 946 | 2018-02-17 | Graz Open A 2018 | Graz AUT | 1.7 | Johann Hjartarson | Stanislaw Praczukowski | 0-1 | 29 | Open |
| 947 | 2018-02-07 | PRO League Group Stage | chess.com INT | 5 | Georg Meier | Johann Hjartarson | 0-1 | 32 | Open |
| 948 | 2018-02-07 | PRO League Group Stage | chess.com INT | 5 | Johann Hjartarson | Erik Blomqvist | 1/2-1/2 | 40 | Open |
| 949 | 2018-02-07 | PRO League Group Stage | chess.com INT | 5 | Johann Hjartarson | Evgenij Agrest | 1-0 | 43 | Open |
| 950 | 2018-02-07 | PRO League Group Stage | chess.com INT | 5 | Inna Agrest | Johann Hjartarson | 0-1 | 52 | Open |
| 951 | 2018-01-31 | PRO League Group Stage | chess.com INT | 3 | Johann Hjartarson | Luka Skuhala | 0-1 | 64 | Open |
| 952 | 2018-01-31 | PRO League Group Stage | chess.com INT | 3 | Johann Hjartarson | Luka Lenic | 1-0 | 59 | Open |
| 953 | 2018-01-31 | PRO League Group Stage | chess.com INT | 3 | Jure Borisek | Johann Hjartarson | 1-0 | 20 | Open |
| 954 | 2018-01-31 | PRO League Group Stage | chess.com INT | 3 | Dusko Pavasovic | Johann Hjartarson | 1-0 | 58 | Open |
| 955 | 2018-01-25 | PRO League Group Stage | chess.com INT | 2 | Peter T Roberson | Johann Hjartarson | 1/2-1/2 | 30 | Open |
| 956 | 2018-01-25 | PRO League Group Stage | chess.com INT | 2 | Gawain C B Maroroa Jones | Johann Hjartarson | 1-0 | 43 | Open |
| 957 | 2018-01-25 | PRO League Group Stage | chess.com INT | 2 | Johann Hjartarson | Ameet K Ghasi | 1-0 | 43 | Open |
| 958 | 2018-01-25 | PRO League Group Stage | chess.com INT | 2 | Johann Hjartarson | Keith C Arkell | 1-0 | 65 | Open |
| 959 | 2017-10-22 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 5.3 | Johann Hjartarson | Jon Halfdanarson | 1-0 | 47 | Open |
| 960 | 2017-10-21 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 4.4 | Runar Sigurpalsson | Johann Hjartarson | 1/2-1/2 | 30 | Open |
| 961 | 2017-10-21 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 3.2 | Johann Hjartarson | Andri A Gretarsson | 1-0 | 43 | Open |
| 962 | 2017-10-20 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 2.5 | Gudmundur Halldorsson | Johann Hjartarson | 0-1 | 32 | Open |
| 963 | 2017-10-19 | TCh-ISL Div 1 2017-18 | Reykjavik ISL | 1.1 | Jon Thor Bergthorsson | Johann Hjartarson | 0-1 | 21 | Open |
| 964 | 2017-09-04 | FIDE World Cup 2017 | Tbilisi GEO | 1.2 | David Navara | Johann Hjartarson | 1-0 | 36 | Open |
| 965 | 2017-09-03 | FIDE World Cup 2017 | Tbilisi GEO | 1.1 | Johann Hjartarson | David Navara | 0-1 | 40 | Open |
| 966 | 2017-07-30 | Xtracon Chess Open 2017 | Helsingor DEN | 10.14 | Johann Hjartarson | Kristian Stuvik Holm | 0-1 | 44 | Open |
| 967 | 2017-07-29 | Xtracon Chess Open 2017 | Helsingor DEN | 9.21 | Mladen Gajic | Johann Hjartarson | 0-1 | 38 | Open |
| 968 | 2017-07-28 | Xtracon Chess Open 2017 | Helsingor DEN | 8.17 | Johann Hjartarson | Petter Fossan | 1/2-1/2 | 35 | Open |
| 969 | 2017-07-27 | Xtracon Chess Open 2017 | Helsingor DEN | 7.12 | Matthew J Wadsworth | Johann Hjartarson | 1-0 | 63 | Open |
| 970 | 2017-07-26 | Xtracon Chess Open 2017 | Helsingor DEN | 6.15 | Johann Hjartarson | Milton Pantzar | 1-0 | 53 | Open |
| 971 | 2017-07-25 | Xtracon Chess Open 2017 | Helsingor DEN | 5.15 | Jonas Buhl Bjerre | Johann Hjartarson | 1/2-1/2 | 20 | Open |
| 972 | 2017-07-24 | Xtracon Chess Open 2017 | Helsingor DEN | 4.15 | Johann Hjartarson | Mads Vestby-Ellingsen | 1/2-1/2 | 62 | Open |
| 973 | 2017-07-23 | Xtracon Chess Open 2017 | Helsingor DEN | 3.18 | Mikkel Manosri Jacobsen | Johann Hjartarson | 0-1 | 50 | Open |
| 974 | 2017-07-23 | Xtracon Chess Open 2017 | Helsingor DEN | 2.19 | Johann Hjartarson | Oivind Johansen | 1-0 | 31 | Open |
| 975 | 2017-07-22 | Xtracon Chess Open 2017 | Helsingor DEN | 1.19 | Hassan Kashwan | Johann Hjartarson | 0-1 | 22 | Open |
| 976 | 2017-07-02 | Nordic Zonal 2017 | Vaxjo SWE | 9.1 | Jonathan Westerberg | Johann Hjartarson | 1/2-1/2 | 44 | Open |
| 977 | 2017-07-01 | Nordic Zonal 2017 | Vaxjo SWE | 8.2 | Johann Hjartarson | Martin Lokander | 1-0 | 57 | Open |
| 978 | 2017-06-30 | Nordic Zonal 2017 | Vaxjo SWE | 7.2 | Allan Stig Rasmussen | Johann Hjartarson | 0-1 | 47 | Open |
| 979 | 2017-06-29 | Nordic Zonal 2017 | Vaxjo SWE | 6.1 | Johann Hjartarson | Nils Grandelius | 1/2-1/2 | 40 | Open |
| 980 | 2017-06-29 | Nordic Zonal 2017 | Vaxjo SWE | 5.2 | Stefan Schneider | Johann Hjartarson | 0-1 | 30 | Open |
| 981 | 2017-06-28 | Nordic Zonal 2017 | Vaxjo SWE | 4.2 | Johann Hjartarson | Gudmundur Kjartansson | 1/2-1/2 | 53 | Open |
| 982 | 2017-06-27 | Nordic Zonal 2017 | Vaxjo SWE | 3.2 | Theodor Kenneskog | Johann Hjartarson | 0-1 | 53 | Open |
| 983 | 2017-06-27 | Nordic Zonal 2017 | Vaxjo SWE | 2.3 | Johann Hjartarson | Tom Rydstrom | 1-0 | 46 | Open |
| 984 | 2017-06-26 | Nordic Zonal 2017 | Vaxjo SWE | 1.4 | Josef Ask | Johann Hjartarson | 0-1 | 49 | Open |
| 985 | 2017-04-27 | Reykjavik Open 2017 | Reykjavik ISL | 10.17 | Johann Hjartarson | Bjorn Thorfinnsson | 1-0 | 40 | Open |
| 986 | 2017-04-26 | Reykjavik Open 2017 | Reykjavik ISL | 9.7 | Mustafa Yilmaz | Johann Hjartarson | 1-0 | 37 | Open |
| 987 | 2017-04-25 | Reykjavik Open 2017 | Reykjavik ISL | 8.6 | Johann Hjartarson | Erwin L'Ami | 1/2-1/2 | 37 | Open |
| 988 | 2017-04-24 | Reykjavik Open 2017 | Reykjavik ISL | 7.14 | Bjorn Ahlander | Johann Hjartarson | 0-1 | 48 | Open |
| 989 | 2017-04-23 | Reykjavik Open 2017 | Reykjavik ISL | 6.22 | Johann Hjartarson | Garg Aradhya | 1-0 | 38 | Open |
| 990 | 2017-04-22 | Reykjavik Open 2017 | Reykjavik ISL | 5.14 | Vignir Vatnar Stefansson | Johann Hjartarson | 1/2-1/2 | 58 | Open |
| 991 | 2017-04-21 | Reykjavik Open 2017 | Reykjavik ISL | 4.5 | Johann Hjartarson | Santosh Gujrathi Vidit | 0-1 | 26 | Open |
| 992 | 2017-04-20 | Reykjavik Open 2017 | Reykjavik ISL | 3.19 | Swaminathan Soumya | Johann Hjartarson | 0-1 | 28 | Open |
| 993 | 2017-04-20 | Reykjavik Open 2017 | Reykjavik ISL | 2.22 | Johann Hjartarson | Samu Ristoja | 1-0 | 21 | Open |
| 994 | 2017-04-19 | Reykjavik Open 2017 | Reykjavik ISL | 1.23 | Siguringi Sigurjonsson | Johann Hjartarson | 0-1 | 36 | Open |
| 995 | 2017-03-04 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 9.4 | Bjorgvin Jonsson | Johann Hjartarson | 0-1 | 58 | Open |
| 996 | 2017-03-04 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 8.3 | Johann Hjartarson | Bragi Thorfinnsson | 1-0 | 31 | Open |
| 997 | 2017-03-03 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 7.3 | Thorsteinn Thorsteinsson | Johann Hjartarson | 1/2-1/2 | 39 | Open |
| 998 | 2017-03-02 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 6.4 | Johann Hjartarson | Dadi Omarsson | 1-0 | 27 | Open |
| 999 | 2017-02-15 | PRO League Group Stage | chess.com INT | 6 | Ravi Haria | Johann Hjartarson | 0-1 | 34 | Open |
| 1000 | 2017-02-15 | PRO League Group Stage | chess.com INT | 6 | James R Adair | Johann Hjartarson | 1-0 | 61 | Open |
| 1001 | 2017-02-15 | PRO League Group Stage | chess.com INT | 6 | Johann Hjartarson | Peter J Batchelor | 1/2-1/2 | 41 | Open |
| 1002 | 2017-02-15 | PRO League Group Stage | chess.com INT | 6 | Johann Hjartarson | Justin Tan | 0-1 | 39 | Open |
| 1003 | 2017-02-01 | PRO League Central 2017 | chess.com INT | 4 | Gawain C B Maroroa Jones | Johann Hjartarson | 1-0 | 38 | Open |
| 1004 | 2017-02-01 | PRO League Central 2017 | chess.com INT | 4 | Thomas E Rendle | Johann Hjartarson | 1/2-1/2 | 49 | Open |
| 1005 | 2017-02-01 | PRO League Central 2017 | chess.com INT | 4 | Johann Hjartarson | Jonathan Hawkins | 0-1 | 38 | Open |
| 1006 | 2017-02-01 | PRO League Central 2017 | chess.com INT | 4 | Johann Hjartarson | Peter T Roberson | 1-0 | 53 | Open |
| 1007 | 2017-01-18 | PRO League Central 2017 | chess.com INT | 2 | Johann Hjartarson | Georg Meier | 1/2-1/2 | 27 | Open |
| 1008 | 2017-01-18 | PRO League Central 2017 | chess.com INT | 2 | Johann Hjartarson | Erik Blomqvist | 1-0 | 44 | Open |
| 1009 | 2017-01-18 | PRO League Central 2017 | chess.com INT | 2 | Inna Agrest | Johann Hjartarson | 0-1 | 38 | Open |
| 1010 | 2017-01-18 | PRO League Central 2017 | chess.com INT | 2 | Evgenij Agrest | Johann Hjartarson | 0-1 | 51 | Open |
| 1011 | 2016-11-27 | Runavik Open 2016 | Runavik FAI | 9.3 | Jakob Vang Glud | Johann Hjartarson | 1-0 | 26 | Open |
| 1012 | 2016-11-26 | Runavik Open 2016 | Runavik FAI | 8.2 | Johann Hjartarson | Helgi Dam Ziska | 1-0 | 36 | Open |
| 1013 | 2016-11-26 | Runavik Open 2016 | Runavik FAI | 7.3 | Vignir Vatnar Stefansson | Johann Hjartarson | 0-1 | 31 | Open |
| 1014 | 2016-11-25 | Runavik Open 2016 | Runavik FAI | 6.3 | Johann Hjartarson | Miguel Munoz | 1/2-1/2 | 31 | Open |
| 1015 | 2016-11-24 | Runavik Open 2016 | Runavik FAI | 5.6 | John Rodgaard | Johann Hjartarson | 0-1 | 69 | Open |
| 1016 | 2016-11-23 | Runavik Open 2016 | Runavik FAI | 4.2 | Johann Hjartarson | Gudmundur Kjartansson | 0-1 | 45 | Open |
| 1017 | 2016-11-23 | Runavik Open 2016 | Runavik FAI | 3.1 | Nikolaj Mikkelsen | Johann Hjartarson | 1/2-1/2 | 44 | Open |
| 1018 | 2016-11-22 | Runavik Open 2016 | Runavik FAI | 2.2 | Johann Hjartarson | Jesper Sondergaard Thybo | 1-0 | 31 | Open |
| 1019 | 2016-11-21 | Runavik Open 2016 | Runavik FAI | 1.2 | Heidrikur T. Jacobsen | Johann Hjartarson | 0-1 | 62 | Open |
| 1020 | 2016-10-02 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 5.2 | Marcin Dziuba | Johann Hjartarson | 1/2-1/2 | 47 | Open |
| 1021 | 2016-10-01 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 4.5 | Johann Hjartarson | Hedinn Steingrimsson | 1-0 | 36 | Open |
| 1022 | 2016-10-01 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 3.1 | Johann Hjartarson | Gawain C B Maroroa Jones | 0-1 | 43 | Open |
| 1023 | 2016-09-30 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 2.5 | Bjorn-Ivar Karlsson | Johann Hjartarson | 0-1 | 43 | Open |
| 1024 | 2016-09-29 | TCh-ISL Div 1 2016-17 | Reykjavik ISL | 1.2 | Johann Hjartarson | Bjorn Ahlander | 1/2-1/2 | 52 | Open |
| 1025 | 2016-09-13 | 42nd Olympiad 2016 | Baku AZE | 11.24 | Johann Hjartarson | Federico Perez Ponsa | 1/2-1/2 | 51 | Open |
| 1026 | 2016-09-11 | 42nd Olympiad 2016 | Baku AZE | 9.15 | Antonio Fernandes | Johann Hjartarson | 1-0 | 64 | Open |
| 1027 | 2016-09-10 | 42nd Olympiad 2016 | Baku AZE | 8.19 | Johann Hjartarson | Milan Pacher | 1-0 | 53 | Open |
| 1028 | 2016-09-08 | 42nd Olympiad 2016 | Baku AZE | 6.9 | Johann Hjartarson | Mustafa Yilmaz | 1/2-1/2 | 49 | Open |
| 1029 | 2016-09-06 | 42nd Olympiad 2016 | Baku AZE | 5.2 | Johann Hjartarson | Ottomar Ladva | 1-0 | 41 | Open |
| 1030 | 2016-09-04 | 42nd Olympiad 2016 | Baku AZE | 3.32 | Johann Hjartarson | Okla Sohib | 1/2-1/2 | 49 | Open |
| 1031 | 2016-09-03 | 42nd Olympiad 2016 | Baku AZE | 2.27 | Vlastimil Babula | Johann Hjartarson | 1-0 | 35 | Open |
| 1032 | 2016-07-04 | World Senior Teams +50 | Radebeul GER | 9.7 | Johann Hjartarson | Philip M Giulian | 1-0 | 32 | Open |
| 1033 | 2016-07-03 | World Senior Teams +50 | Radebeul GER | 8.4 | Jon S Speelman | Johann Hjartarson | 1-0 | 29 | Open |
| 1034 | 2016-07-02 | World Senior Teams +50 | Radebeul GER | 7.5 | Johann Hjartarson | Vladimir Revuckij | 1-0 | 57 | Open |
| 1035 | 2016-07-01 | World Senior Teams +50 | Radebeul GER | 6.2 | Uwe Boensch | Johann Hjartarson | 1-0 | 94 | Open |
| 1036 | 2016-06-30 | World Senior Teams +50 | Radebeul GER | 5.1 | Johann Hjartarson | Rafael A Vaganian | 0-1 | 53 | Open |
| 1037 | 2016-06-29 | World Senior Teams +50 | Radebeul GER | 4.1 | Artur Jussupow | Johann Hjartarson | 1/2-1/2 | 37 | Open |
| 1038 | 2016-06-28 | World Senior Teams +50 | Radebeul GER | 3.1 | Johann Hjartarson | Peter Enders | 1/2-1/2 | 50 | Open |
| 1039 | 2016-06-26 | World Senior Teams +50 | Radebeul GER | 1.1 | Johann Hjartarson | Armin Waschk | 1-0 | 31 | Open |
| 1040 | 2016-06-11 | ch-ISL 2016 | Reykjavik ISL | 11.5 | Johann Ingvason | Johann Hjartarson | 0-1 | 46 | Open |
| 1041 | 2016-06-10 | ch-ISL 2016 | Reykjavik ISL | 10.3 | Johann Hjartarson | Orn Leo Johannsson | 1-0 | 40 | Open |
| 1042 | 2016-06-09 | ch-ISL 2016 | Reykjavik ISL | 9.4 | Gudmundur Kjartansson | Johann Hjartarson | 1/2-1/2 | 44 | Open |
| 1043 | 2016-06-08 | ch-ISL 2016 | Reykjavik ISL | 8.4 | Johann Hjartarson | Einar Hjalti Jensson | 1-0 | 78 | Open |
| 1044 | 2016-06-07 | ch-ISL 2016 | Reykjavik ISL | 7.3 | Hjorvar Steinn Gretarsson | Johann Hjartarson | 0-1 | 44 | Open |
| 1045 | 2016-06-05 | ch-ISL 2016 | Reykjavik ISL | 6.5 | Johann Hjartarson | Hedinn Steingrimsson | 1/2-1/2 | 43 | Open |
| 1046 | 2016-06-04 | ch-ISL 2016 | Reykjavik ISL | 5.2 | Jon Viktor Gunnarsson | Johann Hjartarson | 1/2-1/2 | 92 | Open |
| 1047 | 2016-06-03 | ch-ISL 2016 | Reykjavik ISL | 4.6 | Johann Hjartarson | Bragi Thorfinnsson | 1/2-1/2 | 43 | Open |
| 1048 | 2016-06-02 | ch-ISL 2016 | Reykjavik ISL | 3.1 | Johann Hjartarson | Bjorn Thorfinnsson | 1-0 | 44 | Open |
| 1049 | 2016-06-01 | ch-ISL 2016 | Reykjavik ISL | 2.6 | David Kjartansson | Johann Hjartarson | 1/2-1/2 | 35 | Open |
| 1050 | 2016-05-31 | ch-ISL 2016 | Reykjavik ISL | 1.2 | Johann Hjartarson | Gudmundur Gislason | 1-0 | 25 | Open |
| 1051 | 2016-05-24 | Short vs Hjartarson Rapid | Nuuk DEN | 7 | Nigel D Short | Johann Hjartarson | 1-0 | 25 | Open |
| 1052 | 2016-05-24 | Short vs Hjartarson Rapid | Nuuk DEN | 6 | Johann Hjartarson | Nigel D Short | 1-0 | 27 | Open |
| 1053 | 2016-05-24 | Short vs Hjartarson Rapid | Nuuk DEN | 5 | Nigel D Short | Johann Hjartarson | 1-0 | 50 | Open |
| 1054 | 2016-05-24 | Short vs Hjartarson Rapid | Nuuk DEN | 4 | Johann Hjartarson | Nigel D Short | 0-1 | 44 | Open |
| 1055 | 2016-05-24 | Short vs Hjartarson Rapid | Nuuk DEN | 3 | Nigel D Short | Johann Hjartarson | 0-1 | 58 | Open |
| 1056 | 2016-05-24 | Short vs Hjartarson Rapid | Nuuk DEN | 2 | Johann Hjartarson | Nigel D Short | 1/2-1/2 | 67 | Open |
| 1057 | 2016-05-24 | Short vs Hjartarson Rapid | Nuuk DEN | 1 | Nigel D Short | Johann Hjartarson | 1/2-1/2 | 49 | Open |
| 1058 | 2016-03-05 | TCh-ISL Div 1 2015-16 | Reykjavik ISL | 9.3 | Johann Hjartarson | Mads Andersen | 1-0 | 74 | Open |
| 1059 | 2016-03-05 | TCh-ISL Div 1 2015-16 | Reykjavik ISL | 8.3 | Thorvardur Olafsson | Johann Hjartarson | 0-1 | 42 | Open |
| 1060 | 2016-03-04 | TCh-ISL Div 1 2015-16 | Reykjavik ISL | 7.4 | Johann Hjartarson | Hannes Stefansson | 1/2-1/2 | 32 | Open |
| 1061 | 2015-11-22 | 20th European Teams | Reykjavik ISL | 9.8 | Johann Hjartarson | Alan Tate | 1-0 | 51 | Open |
| 1062 | 2015-11-21 | 20th European Teams | Reykjavik ISL | 8.6 | Hedinn Steingrimsson | Johann Hjartarson | 1-0 | 25 | Open |
| 1063 | 2015-11-20 | 20th European Teams | Reykjavik ISL | 7.15 | 12800040 | Johann Hjartarson | 0-1 | 33 | Open |
| 1064 | 2015-11-19 | 20th European Teams | Reykjavik ISL | 6.14 | Johann Hjartarson | 13900463 | 1-0 | 67 | Open |
| 1065 | 2015-11-17 | 20th European Teams | Reykjavik ISL | 5.17 | David Shengelia | Johann Hjartarson | 0-1 | 43 | Open |
| 1066 | 2015-11-16 | 20th European Teams | Reykjavik ISL | 4.15 | Igor Kovalenko | Johann Hjartarson | 1-0 | 60 | Open |
| 1067 | 2015-11-15 | 20th European Teams | Reykjavik ISL | 3.9 | Johann Hjartarson | Alexander Ipatov | 1/2-1/2 | 78 | Open |
| 1068 | 2015-11-14 | 20th European Teams | Reykjavik ISL | 2.15 | Afrim Fejzullahu | Johann Hjartarson | 0-1 | 35 | Open |
| 1069 | 2015-11-13 | 20th European Teams | Reykjavik ISL | 1.9 | Erwin L'Ami | Johann Hjartarson | 1-0 | 30 | Open |
| 1070 | 2015-10-14 | World Blitz 2015 | Berlin GER | 21.47 | Daniel Fridman | Johann Hjartarson | 1-0 | 47 | Open |
| 1071 | 2015-10-14 | World Blitz 2015 | Berlin GER | 20.52 | Johann Hjartarson | Daniel Hausrath | 1/2-1/2 | 44 | Open |
| 1072 | 2015-10-14 | World Blitz 2015 | Berlin GER | 19.59 | Florian, Dr. Handke | Johann Hjartarson | 0-1 | 57 | Open |
| 1073 | 2015-10-14 | World Blitz 2015 | Berlin GER | 18.57 | Johann Hjartarson | Sebastien Maze | 1/2-1/2 | 74 | Open |
| 1074 | 2015-10-14 | World Blitz 2015 | Berlin GER | 17.48 | Eric Hansen | Johann Hjartarson | 1-0 | 28 | Open |
| 1075 | 2015-10-14 | World Blitz 2015 | Berlin GER | 16.43 | Johann Hjartarson | Surya Shekhar Ganguly | 0-1 | 48 | Open |
| 1076 | 2015-10-14 | World Blitz 2015 | Berlin GER | 15.47 | Alexander Naumann | Johann Hjartarson | 0-1 | 45 | Open |
| 1077 | 2015-10-14 | World Blitz 2015 | Berlin GER | 14.46 | Johann Hjartarson | Dariusz Swiercz | 1/2-1/2 | 98 | Open |
| 1078 | 2015-10-14 | World Blitz 2015 | Berlin GER | 13.42 | Grzegorz Gajewski | Johann Hjartarson | 1-0 | 70 | Open |
| 1079 | 2015-10-14 | World Blitz 2015 | Berlin GER | 12.49 | Johann Hjartarson | Dennes Abel | 1-0 | 39 | Open |
| 1080 | 2015-10-13 | World Blitz 2015 | Berlin GER | 9.51 | Alexander Donchenko | Johann Hjartarson | 1-0 | 55 | Open |
| 1081 | 2015-10-13 | World Blitz 2015 | Berlin GER | 8.3 | Johann Hjartarson | Aleksey Dreev | 0-1 | 88 | Open |
| 1082 | 2015-10-13 | World Blitz 2015 | Berlin GER | 7.5 | Mohammed Al-Sayed | Johann Hjartarson | 1-0 | 68 | Open |
| 1083 | 2015-10-13 | World Blitz 2015 | Berlin GER | 6.3 | Johann Hjartarson | Peter Svidler | 0-1 | 39 | Open |
| 1084 | 2015-10-13 | World Blitz 2015 | Berlin GER | 5.29 | Evgeny Alekseev | Johann Hjartarson | 1/2-1/2 | 58 | Open |
| 1085 | 2015-10-13 | World Blitz 2015 | Berlin GER | 4.51 | Johann Hjartarson | Raphael Lagunow | 1-0 | 34 | Open |
| 1086 | 2015-10-13 | World Blitz 2015 | Berlin GER | 3.73 | Milos Pavlovic | Johann Hjartarson | 0-1 | 33 | Open |
| 1087 | 2015-10-13 | World Blitz 2015 | Berlin GER | 2.52 | Johann Hjartarson | Jorden Van Foreest | 0-1 | 38 | Open |
| 1088 | 2015-10-13 | World Blitz 2015 | Berlin GER | 11.3 | Alexander Morozevich | Johann Hjartarson | 1-0 | 41 | Open |
| 1089 | 2015-10-13 | World Blitz 2015 | Berlin GER | 10.41 | Johann Hjartarson | Tobias Hirneise | 1/2-1/2 | 37 | Open |
| 1090 | 2015-10-13 | World Blitz 2015 | Berlin GER | 1.75 | Elvira Berend | Johann Hjartarson | 1/2-1/2 | 66 | Open |
| 1091 | 2015-10-12 | World Rapid 2015 | Berlin GER | 15.47 | Alexander Morozevich | Johann Hjartarson | 0-1 | 28 | Open |
| 1092 | 2015-10-12 | World Rapid 2015 | Berlin GER | 14.38 | Eduardo Iturrizaga Bonelli | Johann Hjartarson | 1-0 | 45 | Open |
| 1093 | 2015-10-12 | World Rapid 2015 | Berlin GER | 13.35 | Johann Hjartarson | Alexander Onischuk | 0-1 | 38 | Open |
| 1094 | 2015-10-12 | World Rapid 2015 | Berlin GER | 12.43 | Grzegorz Gajewski | Johann Hjartarson | 1-0 | 51 | Open |
| 1095 | 2015-10-12 | World Rapid 2015 | Berlin GER | 11.56 | Johann Hjartarson | Milos Pavlovic | 1-0 | 32 | Open |
| 1096 | 2015-10-11 | World Rapid 2015 | Berlin GER | 9.55 | Johann Hjartarson | Martin Breutigam | 0-1 | 47 | Open |
| 1097 | 2015-10-11 | World Rapid 2015 | Berlin GER | 8.66 | Jacob Carstensen | Johann Hjartarson | 0-1 | 31 | Open |
| 1098 | 2015-10-11 | World Rapid 2015 | Berlin GER | 7.52 | Johann Hjartarson | Dariusz Swiercz | 0-1 | 51 | Open |
| 1099 | 2015-10-11 | World Rapid 2015 | Berlin GER | 6.53 | Ehsan Ghaem Maghami | Johann Hjartarson | 1/2-1/2 | 48 | Open |
| 1100 | 2015-10-11 | World Rapid 2015 | Berlin GER | 10.64 | Wojciech Przybylski | Johann Hjartarson | 0-1 | 55 | Open |
| 1101 | 2015-10-10 | World Rapid 2015 | Berlin GER | 5.43 | Johann Hjartarson | Yasser Seirawan | 0-1 | 35 | Open |
| 1102 | 2015-10-10 | World Rapid 2015 | Berlin GER | 4.68 | Johann Hjartarson | John Stark | 1-0 | 39 | Open |
| 1103 | 2015-10-10 | World Rapid 2015 | Berlin GER | 3.37 | Alexander Moiseenko | Johann Hjartarson | 1-0 | 82 | Open |
| 1104 | 2015-10-10 | World Rapid 2015 | Berlin GER | 2.73 | Johann Hjartarson | Adel Choukri | 1-0 | 37 | Open |
| 1105 | 2015-10-10 | World Rapid 2015 | Berlin GER | 1.3 | Zoltan Almasi | Johann Hjartarson | 1-0 | 30 | Open |
| 1106 | 2015-06-13 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 9.6 | Michael Schaefer | Johann Hjartarson | 0-1 | 44 | Open |
| 1107 | 2015-06-12 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 8.3 | Johann Hjartarson | 4101685 | 0-1 | 49 | Open |
| 1108 | 2015-06-11 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 7.4 | Askell O Karason | Johann Hjartarson | 0-1 | 25 | Open |
| 1109 | 2015-06-10 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 6.4 | Johann Hjartarson | Margeir Petursson | 1/2-1/2 | 19 | Open |
| 1110 | 2015-06-09 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 5.1 | Axel Rombaldoni | Johann Hjartarson | 1-0 | 34 | Open |
| 1111 | 2015-06-09 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 4.2 | Johann Hjartarson | Gerald Loew | 1-0 | 39 | Open |
| 1112 | 2015-06-08 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 3.4 | Francesco Sonis | Johann Hjartarson | 0-1 | 38 | Open |
| 1113 | 2015-06-07 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 2.1 | Johann Hjartarson | Sergei Kharitonov | 1-0 | 26 | Open |
| 1114 | 2015-06-06 | 7th Capo d Orso Open 2015 | Porto Mannu Palau ITA | 1.3 | Norbert Sprotte | Johann Hjartarson | 1/2-1/2 | 55 | Open |
| 1115 | 2015-05-24 | ch-ISL 2015 | Reykjavik ISL | 11.1 | Johann Hjartarson | Gudmundur Kjartansson | 0-1 | 43 | Open |
| 1116 | 2015-05-23 | ch-ISL 2015 | Reykjavik ISL | 10.6 | Einar Hjalti Jensson | Johann Hjartarson | 0-1 | 73 | Open |
| 1117 | 2015-05-22 | ch-ISL 2015 | Reykjavik ISL | 9.2 | Johann Hjartarson | Hedinn Steingrimsson | 0-1 | 41 | Open |
| 1118 | 2015-05-21 | ch-ISL 2015 | Reykjavik ISL | 8.5 | Jon L Arnason | Johann Hjartarson | 1-0 | 50 | Open |
| 1119 | 2015-05-20 | ch-ISL 2015 | Reykjavik ISL | 7.3 | Johann Hjartarson | Sigurdur Sigfusson | 0-1 | 22 | Open |
| 1120 | 2015-05-19 | ch-ISL 2015 | Reykjavik ISL | 6.4 | Henrik Danielsen | Johann Hjartarson | 1-0 | 66 | Open |
| 1121 | 2015-05-18 | ch-ISL 2015 | Reykjavik ISL | 5.4 | Johann Hjartarson | Hannes Stefansson | 1-0 | 86 | Open |
| 1122 | 2015-05-17 | ch-ISL 2015 | Reykjavik ISL | 4.3 | Bjorn Thorfinnsson | Johann Hjartarson | 0-1 | 35 | Open |
| 1123 | 2015-05-16 | ch-ISL 2015 | Reykjavik ISL | 3.5 | Johann Hjartarson | Bragi Thorfinnsson | 0-1 | 65 | Open |
| 1124 | 2015-05-15 | ch-ISL 2015 | Reykjavik ISL | 2.2 | Hjorvar Steinn Gretarsson | Johann Hjartarson | 1-0 | 49 | Open |
| 1125 | 2015-05-14 | ch-ISL 2015 | Reykjavik ISL | 1.1 | Johann Hjartarson | Lenka Ptacnikova | 1-0 | 31 | Open |
| 1126 | 2015-03-21 | TCh-ISL Div 1 2014-15 | Reykjavik ISL | 9.5 | Matthieu Cornette | Johann Hjartarson | 1-0 | 29 | Open |
| 1127 | 2015-03-21 | TCh-ISL Div 1 2014-15 | Reykjavik ISL | 8.1 | Johann Hjartarson | Gudmundur Kjartansson | 0-1 | 57 | Open |
| 1128 | 2015-03-20 | TCh-ISL Div 1 2014-15 | Reykjavik ISL | 7.5 | Johann Hjartarson | Palmi Ragnar Petursson | 1-0 | 34 | Open |
| 1129 | 2014-10-04 | TCh-ISL Div 1 2014-15 | Reykjavik ISL | 3.3 | Johann Hjartarson | Thomas Schou-Moldt | 1-0 | 38 | Open |
| 1130 | 2014-10-03 | TCh-ISL Div 1 2014-15 | Reykjavik ISL | 2.4 | Eric Hansen | Johann Hjartarson | 0-1 | 51 | Open |
| 1131 | 2014-10-02 | TCh-ISL Div 1 2014-15 | Reykjavik ISL | 1.2 | Johann Hjartarson | Luis Galego | 1/2-1/2 | 30 | Open |
| 1132 | 2014-03-01 | TCh-ISL Div1 2013-14 | Reykjavik ISL | 9.4 | Johann Hjartarson | Gudmundur Kjartansson | 0-1 | 46 | Open |
| 1133 | 2014-03-01 | TCh-ISL Div1 2013-14 | Reykjavik ISL | 8.2 | Grzegorz Gajewski | Johann Hjartarson | 1-0 | 59 | Open |
| 1134 | 2014-02-27 | TCh-ISL Div1 2013-14 | Reykjavik ISL | 6.1 | Jakob Aabling-Thomsen | Johann Hjartarson | 0-1 | 58 | Open |
| 1135 | 2013-10-13 | TCh-ISL Div1 2013-14 | Reykjavik ISL | 5.5 | Magnus Teitsson | Johann Hjartarson | 0-1 | 44 | Open |
| 1136 | 2013-10-12 | TCh-ISL Div1 2013-14 | Reykjavik ISL | 3.4 | Eduardas Rozentalis | Johann Hjartarson | 1/2-1/2 | 59 | Open |
| 1137 | 2013-10-11 | TCh-ISL Div1 2013-14 | Reykjavik ISL | 2.3 | Johann Hjartarson | Gawain C B Maroroa Jones | 0-1 | 47 | Open |
| 1138 | 2013-03-02 | TCh-ISL 2012-13 | Reykjavik ISL | 7.5 | Johann Hjartarson | Andri A Gretarsson | 0-1 | 109 | Open |
| 1139 | 2013-03-02 | TCh-ISL 2012-13 | Reykjavik ISL | 6.5 | Asgeir Asbjornsson | Johann Hjartarson | 1/2-1/2 | 52 | Open |
| 1140 | 2013-03-01 | TCh-ISL 2012-13 | Reykjavik ISL | 5.5 | Arnar Gunnarsson | Johann Hjartarson | 0-1 | 44 | Open |
| 1141 | 2012-10-07 | TCh-ISL 2012-13 | Reykjavik ISL | 4.2 | Johann Hjartarson | Stefan Bergsson | 1-0 | 30 | Open |
| 1142 | 2012-10-06 | TCh-ISL 2012-13 | Reykjavik ISL | 3.3 | Rafal Antoniewski | Johann Hjartarson | 0-1 | 53 | Open |
| 1143 | 2012-10-06 | TCh-ISL 2012-13 | Reykjavik ISL | 2.3 | Johann Hjartarson | Hannes Stefansson | 1/2-1/2 | 26 | Open |
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