Harmen Jonkman

Country

NED

Birth Year

1975

Gender

M

Title

Grandmaster

FIDE ID

1002708

FIDE ratings

2279

Classical

Published FIDE

2351

Rapid

Published FIDE

2368

Blitz

Published FIDE

Official classical ranks

World rank
#4795
National rank · NED
#160

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2520 Apr 2002
Recorded years
2001–2026
Archived games
350

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-06 (UTC).

# Date Event Site Round White Black Result Moves View
201 2023-02-14 Titled Tue 14th Feb Late chess.com INT 7 Serafin Moral Garcia Harmen Jonkman 1/2-1/2 54 Open
202 2023-02-14 Titled Tue 14th Feb Late chess.com INT 6 Harmen Jonkman Levente Marosi 1-0 32 Open
203 2023-02-14 Titled Tue 14th Feb Late chess.com INT 5 Harmen Jonkman Jose Avelino Alvarez Calzadilla 0-1 29 Open
204 2023-02-14 Titled Tue 14th Feb Late chess.com INT 4 David Levine Harmen Jonkman 0-1 27 Open
205 2023-02-14 Titled Tue 14th Feb Late chess.com INT 3 Harmen Jonkman Dawid Janaszak 0-1 36 Open
206 2023-02-14 Titled Tue 14th Feb Late chess.com INT 2 Mauricio Vargas Benavides Harmen Jonkman 0-1 26 Open
207 2023-02-14 Titled Tue 14th Feb Late chess.com INT 11 Emanuel Vaglio Mattey Harmen Jonkman 0-1 74 Open
208 2023-02-14 Titled Tue 14th Feb Late chess.com INT 10 Harmen Jonkman Nadya Toncheva 0-1 46 Open
209 2023-02-07 Titled Tue 7th Feb Late chess.com INT 9 Harmen Jonkman Ieuan C Ward 1-0 30 Open
210 2023-02-07 Titled Tue 7th Feb Late chess.com INT 8 Hernan Filgueira Harmen Jonkman 1-0 53 Open
211 2023-02-07 Titled Tue 7th Feb Late chess.com INT 7 Harmen Jonkman Mariano Ortega Amarelle 1-0 71 Open
212 2023-02-07 Titled Tue 7th Feb Late chess.com INT 6 David Torres Dominguez Harmen Jonkman 1/2-1/2 68 Open
213 2023-02-07 Titled Tue 7th Feb Late chess.com INT 5 Oscar Humberto Ardila Harmen Jonkman 0-1 81 Open
214 2023-02-07 Titled Tue 7th Feb Late chess.com INT 4 Harmen Jonkman Garrett L Smith 0-1 30 Open
215 2023-02-07 Titled Tue 7th Feb Late chess.com INT 3 Nikolai Vlassov Harmen Jonkman 1-0 23 Open
216 2023-02-07 Titled Tue 7th Feb Late chess.com INT 2 Daniel Mattos Marcolino Harmen Jonkman 0-1 52 Open
217 2023-02-07 Titled Tue 7th Feb Late chess.com INT 1 Harmen Jonkman Mikhail Demidov 0-1 61 Open
218 2023-02-07 Titled Tue 7th Feb Late chess.com INT 11 Iung Alicio de O. Pinheiro Harmen Jonkman 0-1 28 Open
219 2023-02-07 Titled Tue 7th Feb Late chess.com INT 10 Avi Harrison Kaplan Harmen Jonkman 1-0 27 Open
220 2023-02-03 Airthings Masters Play-In chess.com INT 7 Harmen Jonkman Leonardo Tristan 0-1 17 Open
221 2023-02-03 Airthings Masters Play-In chess.com INT 6 Artyom Timofeev Harmen Jonkman 1-0 48 Open
222 2023-02-03 Airthings Masters Play-In chess.com INT 5 Dariusz Swiercz Harmen Jonkman 1-0 63 Open
223 2023-02-03 Airthings Masters Play-In chess.com INT 4 Harmen Jonkman Sergei Iskusnyh 1-0 29 Open
224 2023-02-03 Airthings Masters Play-In chess.com INT 3 Harmen Jonkman Arman Mikaelyan 0-1 35 Open
225 2023-02-03 Airthings Masters Play-In chess.com INT 2 Sergei Azarov Harmen Jonkman 1-0 42 Open
226 2023-02-03 Airthings Masters Play-In chess.com INT 1 Martyn Kravtsiv Harmen Jonkman 1-0 44 Open
227 2023-01-31 Titled Tue 31st Jan Late chess.com INT 9 Harmen Jonkman Lennis Martinez Ramirez 0-1 31 Open
228 2023-01-31 Titled Tue 31st Jan Late chess.com INT 8 Eric Rosen Harmen Jonkman 0-1 70 Open
229 2023-01-31 Titled Tue 31st Jan Late chess.com INT 7 Julien Sohier Harmen Jonkman 1/2-1/2 56 Open
230 2023-01-31 Titled Tue 31st Jan Late chess.com INT 6 Harmen Jonkman Neeraj Harish 1-0 30 Open
231 2023-01-31 Titled Tue 31st Jan Late chess.com INT 5 Harmen Jonkman Lucas Foerster-Yialamas 0-1 41 Open
232 2023-01-31 Titled Tue 31st Jan Late chess.com INT 4 Daniel Naroditsky Harmen Jonkman 1-0 31 Open
233 2023-01-31 Titled Tue 31st Jan Late chess.com INT 3 Yury Piskov Harmen Jonkman 1/2-1/2 43 Open
234 2023-01-31 Titled Tue 31st Jan Late chess.com INT 2 Harmen Jonkman Deysi Cori T. 1/2-1/2 28 Open
235 2023-01-31 Titled Tue 31st Jan Late chess.com INT 1 Harmen Jonkman Jens Hirneise 1/2-1/2 36 Open
236 2023-01-31 Titled Tue 31st Jan Late chess.com INT 11 Harmen Jonkman Armin Musovic 0-1 31 Open
237 2023-01-31 Titled Tue 31st Jan Late chess.com INT 10 Jorge Carlos Antonio Harmen Jonkman 0-1 39 Open
238 2022-08-15 20th Spilimbergo Open Spilimbergo ITA 9.15 Marius Deuer Harmen Jonkman 1/2-1/2 21 Open
239 2020-08-09 48th Annual World Open ICC INT 8 Harmen Jonkman Brandon Jacobson 0-1 41 Open
240 2020-08-09 48th Annual World Open ICC INT 7 David Peng Harmen Jonkman 0-1 37 Open
241 2020-08-08 48th Annual World Open ICC INT 5 Harmen Jonkman Jaime Santos Latasa 0-1 43 Open
242 2020-08-08 48th Annual World Open ICC INT 4 Sheena Zeng Harmen Jonkman 0-1 37 Open
243 2020-08-07 48th Annual World Open ICC INT 2 Anton Demchenko Harmen Jonkman 0-1 36 Open
244 2020-08-07 48th Annual World Open ICC INT 1 Harmen Jonkman Vladyslav Shevkunov 1-0 39 Open
245 2019-10-26 23rd Hoogeveen Open 2019 Hoogeveen NED 9.5 Harmen Jonkman Liam Vrolijk 1/2-1/2 18 Open
246 2019-10-25 23rd Hoogeveen Open 2019 Hoogeveen NED 8.6 Oleg M Romanishin Harmen Jonkman 1/2-1/2 25 Open
247 2019-10-24 23rd Hoogeveen Open 2019 Hoogeveen NED 7.13 Harmen Jonkman Sebastian Mueer 1-0 41 Open
248 2019-10-23 23rd Hoogeveen Open 2019 Hoogeveen NED 6.4 Pier Luigi Basso Harmen Jonkman 1-0 34 Open
249 2019-10-22 23rd Hoogeveen Open 2019 Hoogeveen NED 5.12 Harmen Jonkman Stefan Tabak 1-0 43 Open
250 2019-10-21 23rd Hoogeveen Open 2019 Hoogeveen NED 4.1 Hector Giacomini Harmen Jonkman 1/2-1/2 24 Open

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