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
151 2023-05-19 48th OKU 2023 Utrecht NED 1.1 Cesar Becx Harmen Jonkman 1/2-1/2 89 Open
152 2023-05-09 Titled Tue 9th May Late chess.com INT 9 Aleksander Kaczmarek Harmen Jonkman 1-0 24 Open
153 2023-05-09 Titled Tue 9th May Late chess.com INT 8 Harmen Jonkman Tim Grutter 0-1 31 Open
154 2023-05-09 Titled Tue 9th May Late chess.com INT 7 Jaime Rodriguez Santiago Harmen Jonkman 0-1 49 Open
155 2023-05-09 Titled Tue 9th May Late chess.com INT 6 Harmen Jonkman Dmitry Tatarinov 0-1 28 Open
156 2023-05-09 Titled Tue 9th May Late chess.com INT 5 Rodrigo Roman Harmen Jonkman 0-1 24 Open
157 2023-05-09 Titled Tue 9th May Late chess.com INT 4 Sean Senft Harmen Jonkman 0-1 39 Open
158 2023-05-09 Titled Tue 9th May Late chess.com INT 3 Harmen Jonkman Maksim Chigaev 0-1 34 Open
159 2023-05-09 Titled Tue 9th May Late chess.com INT 2 Harmen Jonkman Salih Eke 1-0 94 Open
160 2023-05-09 Titled Tue 9th May Late chess.com INT 1 Mykola Bortnyk Harmen Jonkman 1-0 34 Open
161 2023-05-09 Titled Tue 9th May Late chess.com INT 11 Ethan Bashkansky Harmen Jonkman 0-1 59 Open
162 2023-05-09 Titled Tue 9th May Late chess.com INT 10 Harmen Jonkman Elameir Fathy 0-1 38 Open
163 2023-04-28 II Sunway Formentera Open Sant Ferran de ses Roques ESP 10.16 Nino Maisuradze Harmen Jonkman 0-1 52 Open
164 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
165 2023-04-26 II Sunway Formentera Open Sant Ferran de ses Roques ESP 8.14 Panda Sambit Harmen Jonkman 1-0 68 Open
166 2023-04-25 II Sunway Formentera Open Sant Ferran de ses Roques ESP 7.19 Harmen Jonkman Indy Southcott-Moyers 1-0 46 Open
167 2023-04-24 II Sunway Formentera Open Sant Ferran de ses Roques ESP 6.17 Evgeniya Doluhanova Harmen Jonkman 1-0 52 Open
168 2023-04-22 II Sunway Formentera Open Sant Ferran de ses Roques ESP 5.19 Mahitosh Dey Harmen Jonkman 0-1 61 Open
169 2023-04-21 II Sunway Formentera Open Sant Ferran de ses Roques ESP 4.15 Harmen Jonkman Rameshbabu Vaishali 0-1 51 Open
170 2023-04-20 II Sunway Formentera Open Sant Ferran de ses Roques ESP 3.5 Harmen Jonkman Vladimir Fedoseev 0-1 31 Open
171 2023-04-19 II Sunway Formentera Open Sant Ferran de ses Roques ESP 2.15 Tuomo Halmeenmaki Harmen Jonkman 0-1 48 Open
172 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
173 2023-04-11 Titled Tue 11th Apr Late chess.com INT 6 Hrair Simonian Harmen Jonkman 1-0 43 Open
174 2023-04-11 Titled Tue 11th Apr Late chess.com INT 5 Harmen Jonkman Eduardo Jesus Mendez Fortes 1-0 32 Open
175 2023-04-11 Titled Tue 11th Apr Late chess.com INT 4 Harmen Jonkman Wilfredo Sariego Figueredo 1-0 39 Open
176 2023-04-11 Titled Tue 11th Apr Late chess.com INT 3 Roman Yanchenko Harmen Jonkman 1-0 53 Open
177 2023-04-11 Titled Tue 11th Apr Late chess.com INT 2 Harmen Jonkman Bjarke Sahl 1-0 27 Open
178 2023-03-13 Chessable Masters Play-In chess.com INT 9 Harmen Jonkman Lawrence Kaufman 1-0 41 Open
179 2023-03-13 Chessable Masters Play-In chess.com INT 8 Alexander Rustemov Harmen Jonkman 1-0 43 Open
180 2023-03-13 Chessable Masters Play-In chess.com INT 7 Harmen Jonkman Bobir Sattarov 0-1 42 Open
181 2023-03-13 Chessable Masters Play-In chess.com INT 5 Jose Fernando Cuenca Jimenez Harmen Jonkman 1-0 32 Open
182 2023-03-13 Chessable Masters Play-In chess.com INT 4 Harmen Jonkman Ortik Nigmatov 0-1 40 Open
183 2023-03-13 Chessable Masters Play-In chess.com INT 3 Razvan Preotu Harmen Jonkman 1-0 1 Open
184 2023-02-26 82nd Noteboom Open Leiden NED 6.2 Harmen Jonkman Eline Roebers 1-0 31 Open
185 2023-02-26 82nd Noteboom Open Leiden NED 5.1 Karthik Venkataraman Harmen Jonkman 1-0 32 Open
186 2023-02-25 82nd Noteboom Open Leiden NED 4.2 Harmen Jonkman Machteld Van Foreest 1-0 40 Open
187 2023-02-25 82nd Noteboom Open Leiden NED 3.5 Bas De Boer Harmen Jonkman 0-1 38 Open
188 2023-02-21 Titled Tue 21st Feb Late chess.com INT 9 John Curtis Harmen Jonkman 1/2-1/2 40 Open
189 2023-02-21 Titled Tue 21st Feb Late chess.com INT 8 Harmen Jonkman Jose Ricardo Garcia Correa 1-0 41 Open
190 2023-02-21 Titled Tue 21st Feb Late chess.com INT 7 Alain Prieto Aranguren Harmen Jonkman 1-0 26 Open
191 2023-02-21 Titled Tue 21st Feb Late chess.com INT 6 Harmen Jonkman Garrett L Smith 1/2-1/2 68 Open
192 2023-02-21 Titled Tue 21st Feb Late chess.com INT 5 Nurgyul Salimova Harmen Jonkman 1-0 34 Open
193 2023-02-21 Titled Tue 21st Feb Late chess.com INT 4 Harmen Jonkman Leonid Guerb 1-0 34 Open
194 2023-02-21 Titled Tue 21st Feb Late chess.com INT 3 Zbigniew Pakleza Harmen Jonkman 1-0 36 Open
195 2023-02-21 Titled Tue 21st Feb Late chess.com INT 2 Harmen Jonkman Aurelio Vila Dupla 1-0 19 Open
196 2023-02-21 Titled Tue 21st Feb Late chess.com INT 1 Sanan Sjugirov Harmen Jonkman 1-0 23 Open
197 2023-02-21 Titled Tue 21st Feb Late chess.com INT 11 Harmen Jonkman Lennis Martinez Ramirez 1-0 65 Open
198 2023-02-21 Titled Tue 21st Feb Late chess.com INT 10 Harmen Jonkman Alan Zhang 1-0 27 Open
199 2023-02-14 Titled Tue 14th Feb Late chess.com INT 9 Harmen Jonkman Gata Kamsky 0-1 37 Open
200 2023-02-14 Titled Tue 14th Feb Late chess.com INT 8 Daniel Girsh Harmen Jonkman 0-1 35 Open

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