KNSB FIDE
HJ

Harmen Jonkman

Rated since January 2023

2314 Rapid
2314 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
ROEBERS, E. (ELINE) (IM) 2357
6354 82e Noteboomtoernooi Groep A · 2023-02-26
ZLATKOV, ANTON (FM) 2323
39th European Club Cup · 2024-10-22
FOREEST VAN, M. (MACHTELD) (FM) 2288
6354 82e Noteboomtoernooi Groep A · 2023-02-25
BERG VAN DEN, H.T.W. (HILKE) 2284
10068 KNSB competitie 2024-2025 Klasse 1 ronde 5 · 2024-12-14
MAISURADZE, NINO (WGM) 2270
II Chessable Sunway Formentera Chess Festival 2023 Grup A · 2023-04-28
Worst losses
HAUG, SIEGMUND 1825
39. Open Untergrombach · 2023-01-03
GALLAS, NOEL 2095
Oberliga NRW 2024-2025 November 2024 · 2024-11-10
GALLASCH, ROBIN 2104
Oberliga NRW 2024-2025 Dezember 2024 · 2024-12-08
WEGGEN, J.V. (JEROEN) 2167
11849 KNSB competitie 2025-2026 Klasse 1 ronde 1 · 2025-09-20
SEKANDAR, K. (KAMBIZ) 2210
10701 KNSB competitie 2024-2025 Klasse 1 ronde 7 · 2025-03-08
2. Bundesliga Nord 2025-2026 September 2025 Sat, Sep 27, 2025 +1–0=1 +3.6
39th European Club Cup Sun, Oct 20, 2024 +3–4=0 -7.1
53eme Open Fide de Gonfreville l'Orcher Trophee Claude Leroyer (-2400) Sat, Mar 30, 2024 +4–2=1 -9.1
15e BPB Limburg Open 2023 Groep A Fri, May 26, 2023 +3–1=3 +7.4
Open Kampioenschap van Utrecht Groep A Fri, May 19, 2023 +3–1=2 -1.7
NRW-Klasse Gruppe 2 2025-2026 Februar 2026 Sun, Feb 1, 2026 +0–0=1 -1.5
NRW-Klasse Gruppe 2 2025-2026 Dezember 2025 Sun, Dec 14, 2025 +1–0=0 +4.0
NRW-Klasse Gruppe 2 2025-2026 November 2025 Sun, Nov 2, 2025 +1–0=0 +5.0
NRW-Klasse Gruppe 2 2025-2026 Oktober 2025 Sun, Oct 12, 2025 +1–0=0 +3.6
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Sat, Sep 20, 2025 +0–0=1 -1.0
KNSB competitie 2025-2026 Klasse 1 ronde 3 Sat, Sep 20, 2025 +0–0=1 +3.3
KNSB competitie 2025-2026 Klasse 1 ronde 2 Sat, Sep 20, 2025 +1–0=0 +5.4
KNSB competitie 2025-2026 Klasse 1 ronde 1 Sat, Sep 20, 2025 +0–1=0 -10.3
Oberliga NRW 2024-2025 Mai 2025 Sat, May 3, 2025 +1–0=0 +2.9
Oberliga NRW 2024-2025 Februar 2025 Sat, Feb 8, 2025 +1–0=0 +4.1
Oberliga NRW 2024-2025 Dezember 2024 Sun, Dec 1, 2024 +1–1=1 -9.4
Oberliga NRW 2024-2025 November 2024 Sat, Nov 9, 2024 +1–1=0 -7.9
KNSB competitie 2024-2025 Klasse 1 ronde 9 Sat, Sep 21, 2024 +0–0=1 -0.9
KNSB competitie 2024-2025 Klasse 1 ronde 8 Sat, Sep 21, 2024 +0–0=1 -1.4
KNSB competitie 2024-2025 Klasse 1 ronde 7 Sat, Sep 21, 2024 +0–1=0 -9.4
KNSB competitie 2024-2025 Klasse 1 ronde 6 Sat, Sep 21, 2024 +0–0=1 -1.0
KNSB competitie 2024-2025 Klasse 1 ronde 5 Sat, Sep 21, 2024 +1–0=0 +6.7
KNSB competitie 2024-2025 Klasse 1 ronde 4 Sat, Sep 21, 2024 +1–0=0 +3.4
Oberliga NRW 2023-2024 April 2024 Sun, Apr 7, 2024 +0–0=2 -5.4
Oberliga NRW 2023-2024 March 2024 Sun, Mar 10, 2024 +0–1=0 -7.3
Oberliga NRW 2023-2024 February 2024 Sun, Feb 18, 2024 +1–0=0 +0.7
Oberliga NRW 2023-2024 January 2024 Sun, Jan 28, 2024 +1–0=0 +0.2
Oberliga NRW 2023-2024 September 2023 Sun, Sep 3, 2023 +2–0=0 +6.1
I Torneo Internacional Orillas de Mar Sun, Jun 25, 2023 +4–2=3 -11.0
NRW-Viererpokal 2023 Zwischenrunde Sat, Jun 17, 2023 +0–0=1 -2.0
II Chessable Sunway Formentera Chess Festival 2023 Grup A Tue, Apr 18, 2023 +4–4=2 +1.2
Oberliga NRW 2022-2023 April 2023 Sun, Apr 16, 2023 +1–0=0 +4.2
Oberliga NRW 2022-2023 March 2023 Sun, Mar 5, 2023 +1–0=0 +3.4
82e Noteboomtoernooi Groep A Fri, Feb 24, 2023 +5–1=0 +20.8
Oberliga NRW 2022-2023 February 2023 Sun, Feb 12, 2023 +0–1=0 -8.8
39. Open Untergrombach Tue, Jan 3, 2023 +5–1=1 -10.8
Oberliga NRW 2022-2023 November 2022 Sun, Nov 6, 2022 +0–0=1 -1.8

Rating History

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Peak Ratings

Classic 2341 July 1, 2023
Rapid 2314 March 1, 2026
Blitz 2314 March 1, 2026

Games

Wins 48
Losses 22
Draws 24
Win Rate 51%

Performance by Color

Color Wins Draws Losses Win Rate
White 19 18 10 40%
Black 29 6 12 62%

Recent Matches

CM Mamedov, Aflatun (2235) 2026-02-01 DRAW -1.5
Mikeladze, Berdia (2119) 2025-12-14 WIN +4.0
FM Krudde, F. (Fitzgerald) (2248) 2025-11-22 DRAW -1.0
Korth, Daniel (2166) 2025-11-02 WIN +5.0
IM Lai, H.T. (Hing Ting) (2454) 2025-11-01 DRAW +3.3
Voss, G. (Gunther) (2073) 2025-10-12 WIN +3.6
Markuszewski, M. (Maksymilian) (2171) 2025-10-04 WIN +5.4
FM Nechitaylo, Nikita (2227) 2025-09-28 DRAW -1.4
WIM Schoene, Maria (2171) 2025-09-27 WIN +5.1
Weggen, J.V. (Jeroen) (2167) 2025-09-20 LOSS -10.3
Agter, F. (Frank) (2249) 2025-05-10 DRAW -0.9
Rott, Georg (2044) 2025-05-04 WIN +2.9
Jacobs, F. (Florian) (2226) 2025-04-05 DRAW -1.4
Sekandar, K. (Kambiz) (2210) 2025-03-08 LOSS -9.4
Kartsev, S. (Soel) (2126) 2025-02-09 WIN +4.1
IM Wiersma, E. (Eelke) (2254) 2025-02-08 DRAW -1.0
Berg van den, H.T.W. (Hilke) (2284) 2024-12-14 WIN +6.7
Gallasch, Robin (2104) 2024-12-08 LOSS -11.1
Stenzel, Thomas (2095) 2024-12-07 WIN +3.3
IM Zozulia, A. (Anna) (2231) 2024-12-01 DRAW -1.6