Harmen Jonkman
Country
NED
Birth Year
1975
Gender
M
Title
Grandmaster
FIDE ID
1002708
FIDE Rating
2307
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-09-28 | 2nd Bundesliga Nord 25-26 | Germany GER | 2.8 | Harmen Jonkman | Nikita Nechitaylo | 1/2-1/2 | 60 | Open |
| 2 | 2025-09-27 | 2nd Bundesliga Nord 25-26 | Germany GER | 1.8 | Maria Schoene | Harmen Jonkman | 0-1 | 25 | Open |
| 3 | 2024-10-26 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 7.18 | Jonah Krause | Harmen Jonkman | 1-0 | 40 | Open |
| 4 | 2024-10-25 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 6.27 | Harmen Jonkman | Hans-Henrik Grand | 1-0 | 35 | Open |
| 5 | 2024-10-24 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 5.19 | Drazen Dragicevic | Harmen Jonkman | 1-0 | 67 | Open |
| 6 | 2024-10-23 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 4.18 | Zsolt Rigo | Harmen Jonkman | 1-0 | 52 | Open |
| 7 | 2024-10-22 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 3.17 | Harmen Jonkman | Anton Zlatkov | 1-0 | 37 | Open |
| 8 | 2024-10-21 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 2.26 | Harmen Jonkman | Arend Van de Lagemaat | 1-0 | 129 | Open |
| 9 | 2024-10-20 | 39th ECC Open 2024 | Vrnjacka Banja SRB | 1.5 | M. Amin Tabatabaei | Harmen Jonkman | 1-0 | 25 | Open |
| 10 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 3 | Harmen Jonkman | Mohamed Anees M | 0-1 | 37 | Open |
| 11 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 2 | Matfey Rogov | Harmen Jonkman | 1-0 | 19 | Open |
| 12 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 1 | Evgenij Shuvalov | Harmen Jonkman | 0-1 | 69 | Open |
| 13 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 9 | Kenneth Terence Solomon | Harmen Jonkman | 1-0 | 48 | Open |
| 14 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 8 | Danila Bilan | Harmen Jonkman | 1-0 | 25 | Open |
| 15 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 7 | Harmen Jonkman | Robert Hungaski | 1-0 | 33 | Open |
| 16 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 6 | Itay Sitbon | Harmen Jonkman | 1-0 | 33 | Open |
| 17 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 5 | Jakub Janeczko | Harmen Jonkman | 0-1 | 40 | Open |
| 18 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 4 | Harmen Jonkman | Jonathan Sigfredo Subervi | 1-0 | 34 | Open |
| 19 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 3 | Olga Badelka | Harmen Jonkman | 1-0 | 35 | Open |
| 20 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 2 | Harmen Jonkman | Krzysztof Jakubowski | 0-1 | 68 | Open |
| 21 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 1 | Harmen Jonkman | Nameer Issani | 1/2-1/2 | 72 | Open |
| 22 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 11 | Harmen Jonkman | Svyatoslav Korneev Leskova | 0-1 | 17 | Open |
| 23 | 2024-08-27 | Titled Tue 27th Aug Late | chess.com INT | 10 | Harmen Jonkman | Neeraj Harish | 1-0 | 63 | Open |
| 24 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 8 | Cedomir Micic | Harmen Jonkman | 1-0 | 55 | Open |
| 25 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 7 | Harmen Jonkman | Serdar Murat Yildiz | 0-1 | 27 | Open |
| 26 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 6 | Meri Arabidze | Harmen Jonkman | 1-0 | 35 | Open |
| 27 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 5 | Jean Marco Cruz Mendez | Harmen Jonkman | 0-1 | 54 | Open |
| 28 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 4 | Harmen Jonkman | Bogdan Garbea | 1-0 | 54 | Open |
| 29 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 3 | Alexander Bagrationi | Harmen Jonkman | 1-0 | 19 | Open |
| 30 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 2 | Karina Ambartsumova | Harmen Jonkman | 1/2-1/2 | 53 | Open |
| 31 | 2024-08-21 | Abu Dhabi Masters Online | chess.com INT | 1 | Harmen Jonkman | Ashot Nadanian | 0-1 | 62 | Open |
| 32 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 8 | Harmen Jonkman | Pranav Sathish | 0-1 | 30 | Open |
| 33 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 7 | Harmen Jonkman | Anatole Vlachos | 0-1 | 50 | Open |
| 34 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 6 | Kaiqi Yang | Harmen Jonkman | 0-1 | 25 | Open |
| 35 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 5 | Harmen Jonkman | Enrique Butti | 1-0 | 23 | Open |
| 36 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 4 | Erick Marvin Guevara Sanchez | Harmen Jonkman | 0-1 | 31 | Open |
| 37 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 9 | Maria Teresa Jimenez Salas | Harmen Jonkman | 1-0 | 37 | Open |
| 38 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 8 | Harmen Jonkman | Marius Manolache | 0-1 | 36 | Open |
| 39 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 7 | Marharyta Novikova | Harmen Jonkman | 0-1 | 41 | Open |
| 40 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 6 | Harmen Jonkman | Aran Kohler | 1-0 | 60 | Open |
| 41 | 2024-06-18 | Titled Tue 18th Jun Early | chess.com INT | 5 | Harmen Jonkman | Michael Schulz | 1-0 | 11 | Open |
| 42 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 5 | Harmen Jonkman | Miguel Angel Marino Bravo | 0-1 | 36 | Open |
| 43 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 4 | Emmanuel Jimenez Garcia | Harmen Jonkman | 1-0 | 33 | Open |
| 44 | 2024-06-18 | Titled Tue 18th Jun Early | chess.com INT | 4 | Marius Fromm | Harmen Jonkman | 1-0 | 40 | Open |
| 45 | 2024-06-18 | Titled Tue 18th Jun Early | chess.com INT | 3 | Harmen Jonkman | Batpelden Buyankhishig | 1-0 | 54 | Open |
| 46 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 3 | Harmen Jonkman | Campo Elias Guzman Lozano | 1-0 | 37 | Open |
| 47 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 2 | Aman Hambleton | Harmen Jonkman | 1-0 | 31 | Open |
| 48 | 2024-06-18 | Titled Tue 18th Jun Early | chess.com INT | 2 | Marcin Molenda | Harmen Jonkman | 1-0 | 54 | Open |
| 49 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 1 | Ethan Sheehan | Harmen Jonkman | 1-0 | 42 | Open |
| 50 | 2024-06-18 | Titled Tue 18th Jun Early | chess.com INT | 1 | Harmen Jonkman | Andrey Gorovets | 0-1 | 53 | Open |
| 51 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 11 | Leandro Aparecido C Dos Reis | Harmen Jonkman | 0-1 | 31 | Open |
| 52 | 2024-06-18 | Titled Tue 18th Jun Late | chess.com INT | 10 | Harmen Jonkman | Juan Sena | 0-1 | 68 | Open |
| 53 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 9 | Barthelemy Bongo Akanga Ndjila | Harmen Jonkman | 0-1 | 25 | Open |
| 54 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 8 | Harmen Jonkman | Lilia Ivonne Fuentes Godoy | 0-1 | 31 | Open |
| 55 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 7 | Harshin Reddy Jagirapu | Harmen Jonkman | 1-0 | 46 | Open |
| 56 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 6 | Harmen Jonkman | Kler Caku | 1-0 | 32 | Open |
| 57 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 5 | Harmen Jonkman | Martin Portero Rubio | 1-0 | 33 | Open |
| 58 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 11 | Franco Manteiga | Harmen Jonkman | 1-0 | 120 | Open |
| 59 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 10 | Harmen Jonkman | Tufan Can Uzuner | 1-0 | 27 | Open |
| 60 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 9 | Samuel Jesus P Goncalves | Harmen Jonkman | 1-0 | 39 | Open |
| 61 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 8 | Harmen Jonkman | Dariusz Dziewonski | 1-0 | 25 | Open |
| 62 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 7 | Harmen Jonkman | Maxim Novik | 0-1 | 27 | Open |
| 63 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 6 | Tatjana Vasilevich | Harmen Jonkman | 0-1 | 32 | Open |
| 64 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 5 | Evgenij Shuvalov | Harmen Jonkman | 1-0 | 31 | Open |
| 65 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 4 | Harmen Jonkman | Nathan Felipe Filgueiras | 1-0 | 41 | Open |
| 66 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 3 | Harmen Jonkman | Amir Hosein Kashefi | 0-1 | 37 | Open |
| 67 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 2 | Igor Yagupov | Harmen Jonkman | 0-1 | 33 | Open |
| 68 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 1 | Harmen Jonkman | Stanley Badacsonyi | 0-1 | 58 | Open |
| 69 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 11 | Harmen Jonkman | Zahar Hilkevich | 1/2-1/2 | 66 | Open |
| 70 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 10 | Mykhaylo Kepeshchuk | Harmen Jonkman | 0-1 | 21 | Open |
| 71 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 5 | Harmen Jonkman | Aurelio Vila Dupla | 0-1 | 45 | Open |
| 72 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 3 | Henryk Samborski | Harmen Jonkman | 0-1 | 45 | Open |
| 73 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 2 | Dmitry Mischuk | Harmen Jonkman | 1-0 | 30 | Open |
| 74 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 1 | Harmen Jonkman | Volodymyr Vetoshko | 0-1 | 23 | Open |
| 75 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 9 | Sergiy Zavgorodniy | Harmen Jonkman | 1-0 | 34 | Open |
| 76 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 8 | Agustin Ambrogi | Harmen Jonkman | 0-1 | 47 | Open |
| 77 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 7 | Harmen Jonkman | Samuel Jesus P Goncalves | 1-0 | 41 | Open |
| 78 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 6 | Harmen Jonkman | Ricardo D. D`Arruda | 1/2-1/2 | 59 | Open |
| 79 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 5 | Conrad Thake | Harmen Jonkman | 0-1 | 18 | Open |
| 80 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 4 | John Curtis | Harmen Jonkman | 0-1 | 27 | Open |
| 81 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 3 | Harmen Jonkman | Karen Gutierrez Espinosa | 0-1 | 36 | Open |
| 82 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 2 | Aleks Sahakyan | Harmen Jonkman | 1-0 | 25 | Open |
| 83 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 1 | Harmen Jonkman | Farzad Bolourchifard | 0-1 | 47 | Open |
| 84 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 9 | Harmen Jonkman | Ioan Rees | 0-1 | 51 | Open |
| 85 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 8 | Harmen Jonkman | Tuna Ozates | 1/2-1/2 | 79 | Open |
| 86 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 7 | Alexander Reprintsev | Harmen Jonkman | 0-1 | 28 | Open |
| 87 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 6 | Harmen Jonkman | Thomas Michalczak | 1-0 | 104 | Open |
| 88 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 5 | Harmen Jonkman | Kjell Petersson | 1-0 | 25 | Open |
| 89 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 4 | Marco Cattaneo | Harmen Jonkman | 1-0 | 48 | Open |
| 90 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 3 | Harmen Jonkman | John Curtis | 1-0 | 32 | Open |
| 91 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 2 | Semen Grebeniuk | Harmen Jonkman | 1-0 | 45 | Open |
| 92 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 11 | Stanislav Kovalevsky | Harmen Jonkman | 1-0 | 41 | Open |
| 93 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 10 | Ivan Povshednyi | Harmen Jonkman | 1-0 | 48 | Open |
| 94 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 6 | Jorge Carlos Antonio | Harmen Jonkman | 1-0 | 21 | Open |
| 95 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 5 | Harmen Jonkman | Aran Kohler | 1/2-1/2 | 34 | Open |
| 96 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 4 | Derek Wu | Harmen Jonkman | 1-0 | 38 | Open |
| 97 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 3 | Harmen Jonkman | Oleg Papayan | 0-1 | 24 | Open |
| 98 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 2 | Patryk Cieslak | Harmen Jonkman | 1-0 | 39 | Open |
| 99 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 1 | Harmen Jonkman | Thore Perske | 1-0 | 40 | Open |
| 100 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 9 | Wojciech Przybylski | Harmen Jonkman | 1-0 | 38 | Open |
| 101 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 8 | Harmen Jonkman | Karina Ambartsumova | 1-0 | 43 | Open |
| 102 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 7 | Aleksander Hnydiuk | Harmen Jonkman | 1-0 | 42 | Open |
| 103 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 6 | Harmen Jonkman | Veronika Shubenkova | 1-0 | 53 | Open |
| 104 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 5 | Harmen Jonkman | Ariel Pulido Alvarez | 1-0 | 38 | Open |
| 105 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 4 | Vsevolod Ovchinnikov | Harmen Jonkman | 1-0 | 26 | Open |
| 106 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 3 | Harmen Jonkman | Sverre Lye | 1-0 | 34 | Open |
| 107 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 2 | Dantelle Joubert | Harmen Jonkman | 1-0 | 33 | Open |
| 108 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 1 | Harmen Jonkman | Vasily Volovich | 0-1 | 32 | Open |
| 109 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 11 | Harmen Jonkman | Miguel Angel Mateos Rozas | 1-0 | 57 | Open |
| 110 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 10 | Malak Ismayil | Harmen Jonkman | 1-0 | 49 | Open |
| 111 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 5 | Justo Reinaldo Chemin | Harmen Jonkman | 0-1 | 28 | Open |
| 112 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 4 | Harmen Jonkman | Aleksandra Milovic | 0-1 | 60 | Open |
| 113 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 3 | Jorge Leon Oquendo | Harmen Jonkman | 1-0 | 33 | Open |
| 114 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 2 | Ignacio Sainz Aguirre | Harmen Jonkman | 0-1 | 34 | Open |
| 115 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 1 | Harmen Jonkman | Denis Kadric | 0-1 | 40 | Open |
| 116 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 9 | Harmen Jonkman | Carlos Javier Bernabeu Lopez | 0-1 | 61 | Open |
| 117 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 8 | Igor Bjelobrk | Harmen Jonkman | 1-0 | 62 | Open |
| 118 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 7 | Vladyslav Baziuk | Harmen Jonkman | 0-1 | 65 | Open |
| 119 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 6 | Harmen Jonkman | Jakub Seemann | 0-1 | 46 | Open |
| 120 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 5 | Alexei Gubajdullin | Harmen Jonkman | 0-1 | 73 | Open |
| 121 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 4 | Ignacio Sainz Aguirre | Harmen Jonkman | 0-1 | 21 | Open |
| 122 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 3 | Harmen Jonkman | Artin Ashraf | 0-1 | 35 | Open |
| 123 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 2 | Harmen Jonkman | Sullivan Mcconnell | 0-1 | 40 | Open |
| 124 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 1 | Ernesto J. Fernandez Guillen | Harmen Jonkman | 0-1 | 66 | Open |
| 125 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 11 | Harmen Jonkman | Svetlana Vifleemskaia | 1-0 | 29 | Open |
| 126 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 10 | Alexandr Kostiukov | Harmen Jonkman | 1-0 | 35 | Open |
| 127 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 9 | Harmen Jonkman | Iung Alicio de O. Pinheiro | 0-1 | 37 | Open |
| 128 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 8 | Harmen Jonkman | Kiren Vivek Nasta | 1/2-1/2 | 59 | Open |
| 129 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 7 | Orest Vovk | Harmen Jonkman | 1-0 | 29 | Open |
| 130 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 6 | Harmen Jonkman | Talaibek Osmonbekov | 1-0 | 35 | Open |
| 131 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 5 | Justin Sarkar | Harmen Jonkman | 0-1 | 44 | Open |
| 132 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 4 | Campo Elias Guzman Lozano | Harmen Jonkman | 1-0 | 36 | Open |
| 133 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 3 | Harmen Jonkman | German Spata | 0-1 | 39 | Open |
| 134 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 2 | Harmen Jonkman | Andres Ferriz Barrios | 1-0 | 39 | Open |
| 135 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 1 | Gyula Pap | Harmen Jonkman | 1-0 | 25 | Open |
| 136 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 11 | Harmen Jonkman | Rubens Gazineu Neto | 1-0 | 31 | Open |
| 137 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 10 | Giulia Sala | Harmen Jonkman | 1-0 | 40 | Open |
| 138 | 2023-06-12 | AimChess Rapid Play-In | chess.com INT | 9.64 | Sergei Iskusnyh | Harmen Jonkman | 1-0 | 39 | Open |
| 139 | 2023-06-12 | AimChess Rapid Play-In | chess.com INT | 8.72 | Harmen Jonkman | Daniel Alsina Leal | 1-0 | 61 | Open |
| 140 | 2023-06-12 | AimChess Rapid Play-In | chess.com INT | 6.8 | Harmen Jonkman | Ruben Gideon Koellner | 0-1 | 26 | Open |
| 141 | 2023-06-12 | AimChess Rapid Play-In | chess.com INT | 5.78 | Dariusz Swiercz | Harmen Jonkman | 1-0 | 98 | Open |
| 142 | 2023-06-12 | AimChess Rapid Play-In | chess.com INT | 4.73 | Harmen Jonkman | Krishnan Sasikiran | 0-1 | 38 | Open |
| 143 | 2023-06-12 | AimChess Rapid Play-In | chess.com INT | 2.88 | Krikor Sevag Mekhitarian | Harmen Jonkman | 1-0 | 28 | Open |
| 144 | 2023-05-29 | 15th BPB Limburg Open | Maastricht NED | 7.8 | Harmen Jonkman | Mikhail Gurevich | 1/2-1/2 | 24 | Open |
| 145 | 2023-05-27 | 15th BPB Limburg Open | Maastricht NED | 2.7 | Harmen Jonkman | Roeland Pruijssers | 0-1 | 49 | Open |
| 146 | 2023-05-21 | 48th OKU 2023 | Utrecht NED | 6.4 | Harmen Jonkman | Nico Zwirs | 1/2-1/2 | 43 | Open |
| 147 | 2023-05-21 | 48th OKU 2023 | Utrecht NED | 5.1 | Erik Van den Doel | Harmen Jonkman | 1-0 | 61 | Open |
| 148 | 2023-05-20 | 48th OKU 2023 | Utrecht NED | 4.6 | Harmen Jonkman | Branco Titus | 1-0 | 38 | Open |
| 149 | 2023-05-20 | 48th OKU 2023 | Utrecht NED | 3.9 | Rhys Arnold | Harmen Jonkman | 0-1 | 38 | Open |
| 150 | 2023-05-19 | 48th OKU 2023 | Utrecht NED | 1.1 | Cesar Becx | Harmen Jonkman | 1/2-1/2 | 89 | Open |
| 151 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 9 | Aleksander Kaczmarek | Harmen Jonkman | 1-0 | 24 | Open |
| 152 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 8 | Harmen Jonkman | Tim Grutter | 0-1 | 31 | Open |
| 153 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 7 | Jaime Rodriguez Santiago | Harmen Jonkman | 0-1 | 49 | Open |
| 154 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 6 | Harmen Jonkman | Dmitry Tatarinov | 0-1 | 28 | Open |
| 155 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 5 | Rodrigo Roman | Harmen Jonkman | 0-1 | 24 | Open |
| 156 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 4 | Sean Senft | Harmen Jonkman | 0-1 | 39 | Open |
| 157 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 3 | Harmen Jonkman | Maksim Chigaev | 0-1 | 34 | Open |
| 158 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 2 | Harmen Jonkman | Salih Eke | 1-0 | 94 | Open |
| 159 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 1 | Mykola Bortnyk | Harmen Jonkman | 1-0 | 34 | Open |
| 160 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 11 | Ethan Bashkansky | Harmen Jonkman | 0-1 | 59 | Open |
| 161 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 10 | Harmen Jonkman | Elameir Fathy | 0-1 | 38 | Open |
| 162 | 2023-04-28 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 10.16 | Nino Maisuradze | Harmen Jonkman | 0-1 | 52 | Open |
| 163 | 2023-04-27 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 9.19 | Harmen Jonkman | Sahithi Varshini M | 1/2-1/2 | 55 | Open |
| 164 | 2023-04-26 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 8.14 | Panda Sambit | Harmen Jonkman | 1-0 | 68 | Open |
| 165 | 2023-04-25 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 7.19 | Harmen Jonkman | Indy Southcott-Moyers | 1-0 | 46 | Open |
| 166 | 2023-04-24 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 6.17 | Evgeniya Doluhanova | Harmen Jonkman | 1-0 | 52 | Open |
| 167 | 2023-04-22 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 5.19 | Mahitosh Dey | Harmen Jonkman | 0-1 | 61 | Open |
| 168 | 2023-04-21 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 4.15 | Harmen Jonkman | Rameshbabu Vaishali | 0-1 | 51 | Open |
| 169 | 2023-04-20 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 3.5 | Harmen Jonkman | Vladimir Fedoseev | 0-1 | 31 | Open |
| 170 | 2023-04-19 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 2.15 | Tuomo Halmeenmaki | Harmen Jonkman | 0-1 | 48 | Open |
| 171 | 2023-04-18 | II Sunway Formentera Open | Sant Ferran de ses Roques ESP | 1.3 | Harmen Jonkman | Vitaliy Bernadskiy | 1/2-1/2 | 53 | Open |
| 172 | 2023-04-11 | Titled Tue 11th Apr Late | chess.com INT | 6 | Hrair Simonian | Harmen Jonkman | 1-0 | 43 | Open |
| 173 | 2023-04-11 | Titled Tue 11th Apr Late | chess.com INT | 5 | Harmen Jonkman | Eduardo Jesus Mendez Fortes | 1-0 | 32 | Open |
| 174 | 2023-04-11 | Titled Tue 11th Apr Late | chess.com INT | 4 | Harmen Jonkman | Wilfredo Sariego Figueredo | 1-0 | 39 | Open |
| 175 | 2023-04-11 | Titled Tue 11th Apr Late | chess.com INT | 3 | Roman Yanchenko | Harmen Jonkman | 1-0 | 53 | Open |
| 176 | 2023-04-11 | Titled Tue 11th Apr Late | chess.com INT | 2 | Harmen Jonkman | Bjarke Sahl | 1-0 | 27 | Open |
| 177 | 2023-03-13 | Chessable Masters Play-In | chess.com INT | 9 | Harmen Jonkman | Lawrence Kaufman | 1-0 | 41 | Open |
| 178 | 2023-03-13 | Chessable Masters Play-In | chess.com INT | 8 | Alexander Rustemov | Harmen Jonkman | 1-0 | 43 | Open |
| 179 | 2023-03-13 | Chessable Masters Play-In | chess.com INT | 7 | Harmen Jonkman | Bobir Sattarov | 0-1 | 42 | Open |
| 180 | 2023-03-13 | Chessable Masters Play-In | chess.com INT | 5 | Jose Fernando Cuenca Jimenez | Harmen Jonkman | 1-0 | 32 | Open |
| 181 | 2023-03-13 | Chessable Masters Play-In | chess.com INT | 4 | Harmen Jonkman | Ortik Nigmatov | 0-1 | 40 | Open |
| 182 | 2023-03-13 | Chessable Masters Play-In | chess.com INT | 3 | Razvan Preotu | Harmen Jonkman | 1-0 | 1 | Open |
| 183 | 2023-02-26 | 82nd Noteboom Open | Leiden NED | 6.2 | Harmen Jonkman | Eline Roebers | 1-0 | 31 | Open |
| 184 | 2023-02-26 | 82nd Noteboom Open | Leiden NED | 5.1 | Karthik Venkataraman | Harmen Jonkman | 1-0 | 32 | Open |
| 185 | 2023-02-25 | 82nd Noteboom Open | Leiden NED | 4.2 | Harmen Jonkman | Machteld Van Foreest | 1-0 | 40 | Open |
| 186 | 2023-02-25 | 82nd Noteboom Open | Leiden NED | 3.5 | Bas De Boer | Harmen Jonkman | 0-1 | 38 | Open |
| 187 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 9 | John Curtis | Harmen Jonkman | 1/2-1/2 | 40 | Open |
| 188 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 8 | Harmen Jonkman | Jose Ricardo Garcia Correa | 1-0 | 41 | Open |
| 189 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 7 | Alain Prieto Aranguren | Harmen Jonkman | 1-0 | 26 | Open |
| 190 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 6 | Harmen Jonkman | Garrett L Smith | 1/2-1/2 | 68 | Open |
| 191 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 5 | Nurgyul Salimova | Harmen Jonkman | 1-0 | 34 | Open |
| 192 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 4 | Harmen Jonkman | Leonid Guerb | 1-0 | 34 | Open |
| 193 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 3 | Zbigniew Pakleza | Harmen Jonkman | 1-0 | 36 | Open |
| 194 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 2 | Harmen Jonkman | Aurelio Vila Dupla | 1-0 | 19 | Open |
| 195 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 1 | Sanan Sjugirov | Harmen Jonkman | 1-0 | 23 | Open |
| 196 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 11 | Harmen Jonkman | Lennis Martinez Ramirez | 1-0 | 65 | Open |
| 197 | 2023-02-21 | Titled Tue 21st Feb Late | chess.com INT | 10 | Harmen Jonkman | Alan Zhang | 1-0 | 27 | Open |
| 198 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 9 | Harmen Jonkman | Gata Kamsky | 0-1 | 37 | Open |
| 199 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 8 | Daniel Girsh | Harmen Jonkman | 0-1 | 35 | Open |
| 200 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 7 | Serafin Moral Garcia | Harmen Jonkman | 1/2-1/2 | 54 | Open |
| 201 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 6 | Harmen Jonkman | Levente Marosi | 1-0 | 32 | Open |
| 202 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 5 | Harmen Jonkman | Jose Avelino Alvarez Calzadilla | 0-1 | 29 | Open |
| 203 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 4 | David Levine | Harmen Jonkman | 0-1 | 27 | Open |
| 204 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 3 | Harmen Jonkman | Dawid Janaszak | 0-1 | 36 | Open |
| 205 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 2 | Mauricio Vargas Benavides | Harmen Jonkman | 0-1 | 26 | Open |
| 206 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 11 | Emanuel Vaglio Mattey | Harmen Jonkman | 0-1 | 74 | Open |
| 207 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 10 | Harmen Jonkman | Nadya Toncheva | 0-1 | 46 | Open |
| 208 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 9 | Harmen Jonkman | Ieuan C Ward | 1-0 | 30 | Open |
| 209 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 8 | Hernan Filgueira | Harmen Jonkman | 1-0 | 53 | Open |
| 210 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 7 | Harmen Jonkman | Mariano Ortega Amarelle | 1-0 | 71 | Open |
| 211 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 6 | David Torres Dominguez | Harmen Jonkman | 1/2-1/2 | 68 | Open |
| 212 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 5 | Oscar Humberto Ardila | Harmen Jonkman | 0-1 | 81 | Open |
| 213 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 4 | Harmen Jonkman | Garrett L Smith | 0-1 | 30 | Open |
| 214 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 3 | Nikolai Vlassov | Harmen Jonkman | 1-0 | 23 | Open |
| 215 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 2 | Daniel Mattos Marcolino | Harmen Jonkman | 0-1 | 52 | Open |
| 216 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 1 | Harmen Jonkman | Mikhail Demidov | 0-1 | 61 | Open |
| 217 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 11 | Iung Alicio de O. Pinheiro | Harmen Jonkman | 0-1 | 28 | Open |
| 218 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 10 | Avi Harrison Kaplan | Harmen Jonkman | 1-0 | 27 | Open |
| 219 | 2023-02-03 | Airthings Masters Play-In | chess.com INT | 7 | Harmen Jonkman | Leonardo Tristan | 0-1 | 17 | Open |
| 220 | 2023-02-03 | Airthings Masters Play-In | chess.com INT | 6 | Artyom Timofeev | Harmen Jonkman | 1-0 | 48 | Open |
| 221 | 2023-02-03 | Airthings Masters Play-In | chess.com INT | 5 | Dariusz Swiercz | Harmen Jonkman | 1-0 | 63 | Open |
| 222 | 2023-02-03 | Airthings Masters Play-In | chess.com INT | 4 | Harmen Jonkman | Sergei Iskusnyh | 1-0 | 29 | Open |
| 223 | 2023-02-03 | Airthings Masters Play-In | chess.com INT | 3 | Harmen Jonkman | Arman Mikaelyan | 0-1 | 35 | Open |
| 224 | 2023-02-03 | Airthings Masters Play-In | chess.com INT | 2 | Sergei Azarov | Harmen Jonkman | 1-0 | 42 | Open |
| 225 | 2023-02-03 | Airthings Masters Play-In | chess.com INT | 1 | Martyn Kravtsiv | Harmen Jonkman | 1-0 | 44 | Open |
| 226 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 9 | Harmen Jonkman | Lennis Martinez Ramirez | 0-1 | 31 | Open |
| 227 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 8 | Eric Rosen | Harmen Jonkman | 0-1 | 70 | Open |
| 228 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 7 | Julien Sohier | Harmen Jonkman | 1/2-1/2 | 56 | Open |
| 229 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 6 | Harmen Jonkman | Neeraj Harish | 1-0 | 30 | Open |
| 230 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 5 | Harmen Jonkman | Lucas Foerster-Yialamas | 0-1 | 41 | Open |
| 231 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 4 | Daniel Naroditsky | Harmen Jonkman | 1-0 | 31 | Open |
| 232 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 3 | Yury Piskov | Harmen Jonkman | 1/2-1/2 | 43 | Open |
| 233 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 2 | Harmen Jonkman | Deysi Cori T. | 1/2-1/2 | 28 | Open |
| 234 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 1 | Harmen Jonkman | Jens Hirneise | 1/2-1/2 | 36 | Open |
| 235 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 11 | Harmen Jonkman | Armin Musovic | 0-1 | 31 | Open |
| 236 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 10 | Jorge Carlos Antonio | Harmen Jonkman | 0-1 | 39 | Open |
| 237 | 2022-08-15 | 20th Spilimbergo Open | Spilimbergo ITA | 9.15 | Marius Deuer | Harmen Jonkman | 1/2-1/2 | 21 | Open |
| 238 | 2020-08-09 | 48th Annual World Open | ICC INT | 8 | Harmen Jonkman | Brandon Jacobson | 0-1 | 41 | Open |
| 239 | 2020-08-09 | 48th Annual World Open | ICC INT | 7 | David Peng | Harmen Jonkman | 0-1 | 37 | Open |
| 240 | 2020-08-08 | 48th Annual World Open | ICC INT | 5 | Harmen Jonkman | Jaime Santos Latasa | 0-1 | 43 | Open |
| 241 | 2020-08-08 | 48th Annual World Open | ICC INT | 4 | Sheena Zeng | Harmen Jonkman | 0-1 | 37 | Open |
| 242 | 2020-08-07 | 48th Annual World Open | ICC INT | 2 | Anton Demchenko | Harmen Jonkman | 0-1 | 36 | Open |
| 243 | 2020-08-07 | 48th Annual World Open | ICC INT | 1 | Harmen Jonkman | Vladyslav Shevkunov | 1-0 | 39 | Open |
| 244 | 2019-10-26 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 9.5 | Harmen Jonkman | Liam Vrolijk | 1/2-1/2 | 18 | Open |
| 245 | 2019-10-25 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 8.6 | Oleg M Romanishin | Harmen Jonkman | 1/2-1/2 | 25 | Open |
| 246 | 2019-10-24 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 7.13 | Harmen Jonkman | Sebastian Mueer | 1-0 | 41 | Open |
| 247 | 2019-10-23 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 6.4 | Pier Luigi Basso | Harmen Jonkman | 1-0 | 34 | Open |
| 248 | 2019-10-22 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 5.12 | Harmen Jonkman | Stefan Tabak | 1-0 | 43 | Open |
| 249 | 2019-10-21 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 4.1 | Hector Giacomini | Harmen Jonkman | 1/2-1/2 | 24 | Open |
| 250 | 2019-10-21 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 3.4 | Harmen Jonkman | Akash G | 0-1 | 59 | Open |
| 251 | 2019-10-20 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 2.16 | Tijana Mandura | Harmen Jonkman | 0-1 | 29 | Open |
| 252 | 2019-10-19 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 1.16 | Harmen Jonkman | Hugo Faber | 1-0 | 58 | Open |
| 253 | 2019-08-31 | 2nd European Corporate | Minsk BLR | 9.6 | Grigory Ivanov | Harmen Jonkman | 0-1 | 70 | Open |
| 254 | 2019-08-31 | 2nd European Corporate | Minsk BLR | 8.1 | Harmen Jonkman | Valery Sviridov | 1-0 | 41 | Open |
| 255 | 2019-08-31 | 2nd European Corporate | Minsk BLR | 7.5 | 13513630 | Harmen Jonkman | 0-1 | 41 | Open |
| 256 | 2019-08-31 | 2nd European Corporate | Minsk BLR | 6.6 | Harmen Jonkman | 5466704055595344960 | 1-0 | 60 | Open |
| 257 | 2019-08-31 | 2nd European Corporate | Minsk BLR | 5.6 | Harmen Jonkman | Ilja Varin | 1-0 | 40 | Open |
| 258 | 2019-08-30 | 2nd European Corporate | Minsk BLR | 4.4 | Vladimir Oblamski | Harmen Jonkman | 0-1 | 102 | Open |
| 259 | 2019-08-30 | 2nd European Corporate | Minsk BLR | 3.4 | Yury Borsuk | Harmen Jonkman | 1-0 | 70 | Open |
| 260 | 2019-08-30 | 2nd European Corporate | Minsk BLR | 1.6 | Harmen Jonkman | 9959665676124984716 | 1-0 | 30 | Open |
| 261 | 2019-08-15 | Bruges Masters 2019 | Bruges BEL | 9.2 | Harmen Jonkman | Nikolay A Legky | 0-1 | 45 | Open |
| 262 | 2019-08-14 | Bruges Masters 2019 | Bruges BEL | 8.4 | John Cornelisse | Harmen Jonkman | 0-1 | 33 | Open |
| 263 | 2019-08-14 | Bruges Masters 2019 | Bruges BEL | 7.5 | Harmen Jonkman | Joost Offringa | 1/2-1/2 | 88 | Open |
| 264 | 2019-08-13 | Bruges Masters 2019 | Bruges BEL | 6.6 | Yichen Han | Harmen Jonkman | 0-1 | 35 | Open |
| 265 | 2019-08-13 | Bruges Masters 2019 | Bruges BEL | 5.8 | Hanne Goossens | Harmen Jonkman | 0-1 | 55 | Open |
| 266 | 2019-08-11 | Bruges Masters 2019 | Bruges BEL | 2.12 | Mark Clijsen | Harmen Jonkman | 1/2-1/2 | 42 | Open |
| 267 | 2019-06-30 | 16th ROC Nova College | Haarlem NED | 5.3 | Miguoel Admiraal | Harmen Jonkman | 1/2-1/2 | 27 | Open |
| 268 | 2019-06-29 | 16th ROC Nova College | Haarlem NED | 4.4 | Harmen Jonkman | Jerzy Cebula | 1-0 | 23 | Open |
| 269 | 2019-06-29 | 16th ROC Nova College | Haarlem NED | 2.1 | Harmen Jonkman | Matthew D Sadler | 0-1 | 39 | Open |
| 270 | 2018-08-15 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 9.38 | Harmen Jonkman | Mary Ann Gomes | 1-0 | 40 | Open |
| 271 | 2018-08-14 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 8.49 | Ilimbek Esenbek Uulu | Harmen Jonkman | 0-1 | 28 | Open |
| 272 | 2018-08-13 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 7.5 | Nikhil Dixit | Harmen Jonkman | 1/2-1/2 | 21 | Open |
| 273 | 2018-08-12 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 6.63 | Harmen Jonkman | M. Srinivasa Rao | 1-0 | 31 | Open |
| 274 | 2018-08-11 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 5.51 | Harmen Jonkman | Dushyant Sharma | 0-1 | 45 | Open |
| 275 | 2018-08-09 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 3.45 | Pranav Anand | Harmen Jonkman | 1/2-1/2 | 54 | Open |
| 276 | 2018-08-08 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 2.49 | Harmen Jonkman | V Varshini | 1-0 | 52 | Open |
| 277 | 2018-08-07 | 25th Abu Dhabi Masters | Abu Dhabi UAE | 1.63 | Jain Jeet | Harmen Jonkman | 1-0 | 42 | Open |
| 278 | 2017-10-28 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 9.13 | Christiaan Molenaar | Harmen Jonkman | 1/2-1/2 | 53 | Open |
| 279 | 2017-10-27 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 8.1 | Harmen Jonkman | Eelke De Boer | 0-1 | 56 | Open |
| 280 | 2017-10-26 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 7.9 | Stefan Colijn | Harmen Jonkman | 1-0 | 47 | Open |
| 281 | 2017-10-25 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 6.5 | Harmen Jonkman | Lucas Van Foreest | 1/2-1/2 | 48 | Open |
| 282 | 2017-10-24 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 5.1 | Anna Warakomska | Harmen Jonkman | 0-1 | 58 | Open |
| 283 | 2017-10-23 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 4.16 | Harmen Jonkman | Derk Kouwenhoven | 1-0 | 41 | Open |
| 284 | 2017-10-22 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 2.16 | Jorgen Henseler | Harmen Jonkman | 0-1 | 26 | Open |
| 285 | 2017-10-21 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 1.13 | Harmen Jonkman | Lars Vistisen | 1/2-1/2 | 15 | Open |
| 286 | 2017-08-22 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 9.21 | Pouya Idani | Harmen Jonkman | 1/2-1/2 | 56 | Open |
| 287 | 2017-08-21 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 8.2 | Harmen Jonkman | Aleksandar Indjic | 1/2-1/2 | 40 | Open |
| 288 | 2017-08-20 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 7.34 | Vinayak Kulkarni | Harmen Jonkman | 0-1 | 45 | Open |
| 289 | 2017-08-19 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 6.35 | Harmen Jonkman | Vantika Agrawal | 1/2-1/2 | 19 | Open |
| 290 | 2017-08-19 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 5.2 | Ehsan Ghaem Maghami | Harmen Jonkman | 1-0 | 50 | Open |
| 291 | 2017-08-17 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 4.37 | Harmen Jonkman | Vugar Manafov | 1-0 | 52 | Open |
| 292 | 2017-08-16 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 3.22 | Hovhannes Gabuzyan | Harmen Jonkman | 1-0 | 32 | Open |
| 293 | 2017-08-15 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 2.17 | Harmen Jonkman | Samvel Ter-Sahakyan | 1/2-1/2 | 29 | Open |
| 294 | 2017-08-14 | 24th Abu Dhabi Masters | Abu Dhabi UAE | 1.54 | Malcolm J Armstrong | Harmen Jonkman | 0-1 | 42 | Open |
| 295 | 2017-07-02 | 15th ROC Nova College | Haarlem NED | 5.3 | Jan Werle | Harmen Jonkman | 1-0 | 47 | Open |
| 296 | 2017-07-01 | 15th ROC Nova College | Haarlem NED | 3.2 | Maxim Turov | Harmen Jonkman | 1-0 | 54 | Open |
| 297 | 2016-10-22 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 9.13 | Harmen Jonkman | Marijn Otte | 1-0 | 31 | Open |
| 298 | 2016-10-21 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 8.4 | Jan Werle | Harmen Jonkman | 1-0 | 35 | Open |
| 299 | 2016-10-20 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 7.9 | Harmen Jonkman | Menno Okkes | 1/2-1/2 | 55 | Open |
| 300 | 2016-10-19 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 6.13 | Lisanne Taams | Harmen Jonkman | 0-1 | 38 | Open |
| 301 | 2016-10-19 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 5.18 | Harmen Jonkman | Kevin Nguyen | 1-0 | 31 | Open |
| 302 | 2016-10-18 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 4.12 | Dick De Graaf | Harmen Jonkman | 1-0 | 46 | Open |
| 303 | 2016-10-17 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 3.15 | Harmen Jonkman | Wim Heemskerk | 1-0 | 35 | Open |
| 304 | 2016-10-16 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 2.11 | Denis Mager | Harmen Jonkman | 1-0 | 54 | Open |
| 305 | 2016-10-15 | 20th Hoogeveen Open 2016 | Hoogeveen NED | 1.14 | Harmen Jonkman | Han Schut | 1-0 | 42 | Open |
| 306 | 2016-07-17 | Science Park Open A 2016 | Amsterdam NED | 9.8 | Tobias Kabos | Harmen Jonkman | 0-1 | 95 | Open |
| 307 | 2016-07-16 | Science Park Open A 2016 | Amsterdam NED | 8.3 | Harmen Jonkman | Erik Van den Doel | 0-1 | 35 | Open |
| 308 | 2016-07-15 | Science Park Open A 2016 | Amsterdam NED | 7.7 | Peter Hoekstra | Harmen Jonkman | 0-1 | 36 | Open |
| 309 | 2016-07-14 | Science Park Open A 2016 | Amsterdam NED | 6.1 | Harmen Jonkman | Jan Roebers | 1-0 | 35 | Open |
| 310 | 2016-07-13 | Science Park Open A 2016 | Amsterdam NED | 5.3 | Lucas Van Foreest | Harmen Jonkman | 1-0 | 36 | Open |
| 311 | 2016-07-12 | Science Park Open A 2016 | Amsterdam NED | 4.8 | Harmen Jonkman | Martijn Woudsma | 1-0 | 30 | Open |
| 312 | 2016-07-11 | Science Park Open A 2016 | Amsterdam NED | 3.6 | Arno Bezemer | Harmen Jonkman | 1-0 | 41 | Open |
| 313 | 2016-07-10 | Science Park Open A 2016 | Amsterdam NED | 2.7 | Harmen Jonkman | Alje Hovenga | 1-0 | 44 | Open |
| 314 | 2016-07-09 | Science Park Open A 2016 | Amsterdam NED | 1.7 | Lennart Ootes | Harmen Jonkman | 0-1 | 29 | Open |
| 315 | 2016-07-03 | 14th ROC Nova College | Haarlem NED | 6.2 | Harmen Jonkman | Quinten Ducarmon | 1/2-1/2 | 20 | Open |
| 316 | 2016-07-03 | 14th ROC Nova College | Haarlem NED | 5.1 | Matthew D Sadler | Harmen Jonkman | 1-0 | 31 | Open |
| 317 | 2016-07-02 | 14th ROC Nova College | Haarlem NED | 4.2 | Li Riemersma | Harmen Jonkman | 0-1 | 42 | Open |
| 318 | 2016-07-02 | 14th ROC Nova College | Haarlem NED | 3.2 | Harmen Jonkman | Sebastien Feller | 1-0 | 46 | Open |
| 319 | 2015-07-19 | Science Park Open A 2015 | Amsterdam NED | 9.2 | Albert Blees | Harmen Jonkman | 1-0 | 62 | Open |
| 320 | 2015-07-18 | Science Park Open A 2015 | Amsterdam NED | 8.1 | Harmen Jonkman | Etienne Goudriaan | 0-1 | 50 | Open |
| 321 | 2015-07-17 | Science Park Open A 2015 | Amsterdam NED | 7.1 | Harmen Jonkman | Li Riemersma | 1-0 | 53 | Open |
| 322 | 2015-07-16 | Science Park Open A 2015 | Amsterdam NED | 6.1 | Hing Ting Lai | Harmen Jonkman | 0-1 | 37 | Open |
| 323 | 2015-07-15 | Science Park Open A 2015 | Amsterdam NED | 5.2 | Danny De Ruiter | Harmen Jonkman | 0-1 | 29 | Open |
| 324 | 2015-07-14 | Science Park Open A 2015 | Amsterdam NED | 4.3 | Harmen Jonkman | Mees Van Osch | 1-0 | 41 | Open |
| 325 | 2015-07-13 | Science Park Open A 2015 | Amsterdam NED | 3.6 | Harmen Jonkman | Maaike Keetman | 1-0 | 50 | Open |
| 326 | 2015-07-12 | Science Park Open A 2015 | Amsterdam NED | 2.2 | Zyon Kollen | Harmen Jonkman | 1/2-1/2 | 54 | Open |
| 327 | 2015-07-11 | Science Park Open A 2015 | Amsterdam NED | 1.2 | Harmen Jonkman | Tom De Ruiter | 1-0 | 39 | Open |
| 328 | 2012-11-28 | Cultural Village 2012 | Wijk aan Zee NED | 9.3 | Harmen Jonkman | Eduardas Rozentalis | 1/2-1/2 | 10 | Open |
| 329 | 2012-11-27 | Cultural Village 2012 | Wijk aan Zee NED | 8.4 | Adrien Demuth | Harmen Jonkman | 0-1 | 47 | Open |
| 330 | 2012-11-26 | Cultural Village 2012 | Wijk aan Zee NED | 7.5 | Harmen Jonkman | Sjoerd Plukkel | 1/2-1/2 | 81 | Open |
| 331 | 2012-11-25 | Cultural Village 2012 | Wijk aan Zee NED | 6.3 | Sabino Brunello | Harmen Jonkman | 1-0 | 52 | Open |
| 332 | 2012-11-23 | Cultural Village 2012 | Wijk aan Zee NED | 5.5 | Harmen Jonkman | Robert Ris | 1/2-1/2 | 14 | Open |
| 333 | 2012-11-22 | Cultural Village 2012 | Wijk aan Zee NED | 4.1 | Miguoel Admiraal | Harmen Jonkman | 1/2-1/2 | 18 | Open |
| 334 | 2012-11-21 | Cultural Village 2012 | Wijk aan Zee NED | 3.5 | Rob Schoorl | Harmen Jonkman | 1/2-1/2 | 34 | Open |
| 335 | 2012-11-21 | Cultural Village 2012 | Wijk aan Zee NED | 2.1 | Harmen Jonkman | Ilias Van der Lende | 1-0 | 34 | Open |
| 336 | 2012-11-19 | Cultural Village 2012 | Wijk aan Zee NED | 1.4 | Georgui Castaneda | Harmen Jonkman | 1/2-1/2 | 13 | Open |
| 337 | 2012-07-08 | 11th ROC Nova Open | Haarlem NED | 5.4 | Harmen Jonkman | Ulf Andersson | 1/2-1/2 | 107 | Open |
| 338 | 2012-07-01 | HSC/De Legibus Open | Helmond NED | 8.2 | Maxim Turov | Harmen Jonkman | 1-0 | 35 | Open |
| 339 | 2012-07-01 | HSC/De Legibus Open | Helmond NED | 7.4 | Harmen Jonkman | Roland Robinson | 1-0 | 18 | Open |
| 340 | 2012-07-01 | HSC/De Legibus Open | Helmond NED | 6.3 | Robin Swinkels | Harmen Jonkman | 1-0 | 78 | Open |
| 341 | 2012-06-30 | HSC/De Legibus Open | Helmond NED | 5.3 | Harmen Jonkman | Jerzy Cebula | 1-0 | 31 | Open |
| 342 | 2012-06-30 | HSC/De Legibus Open | Helmond NED | 4.4 | 17308283555059931314 | Harmen Jonkman | 0-1 | 46 | Open |
| 343 | 2012-06-30 | HSC/De Legibus Open | Helmond NED | 3.1 | Harmen Jonkman | Jan H Timman | 0-1 | 29 | Open |
| 344 | 2012-06-24 | HSG Open A 2012 | Hilversum NED | 6.3 | Harmen Jonkman | Robin Van Kampen | 1/2-1/2 | 72 | Open |
| 345 | 2012-06-24 | HSG Open A 2012 | Hilversum NED | 5.2 | Alexandre Dgebuadze | Harmen Jonkman | 1/2-1/2 | 30 | Open |
| 346 | 2012-06-23 | HSG Open A 2012 | Hilversum NED | 4.2 | Harmen Jonkman | Etienne Goudriaan | 1-0 | 37 | Open |
| 347 | 2012-06-23 | HSG Open A 2012 | Hilversum NED | 3.1 | Normunds Miezis | Harmen Jonkman | 1/2-1/2 | 43 | Open |
| 348 | 2012-06-22 | HSG Open A 2012 | Hilversum NED | 2.6 | Harmen Jonkman | Andrzej Pietrow | 1-0 | 57 | Open |
| 349 | 2012-06-22 | HSG Open A 2012 | Hilversum NED | 1.6 | Eric Coppoolse | Harmen Jonkman | 0-1 | 43 | Open |
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