KNSB FIDE
JJ

Jelmer Jens

Rated since January 2023

2368 Classic
2367 Rapid
2367 Blitz

RIVALRY

Nemesis
Pham, K.V. (Khoi)
Games: 3 · Win rate: 33%

The good & the bad

Best wins
WAELE DE, W. (WARRE) (FM) 2376
13524 KNSB competitie 2025-2026 Meesterklasse ronde 9 · Saturday 11 April 2026
GRIENDT VAN DE, J.W.J. (JAN WILLEM) (IM) 2362
12405 KNSB competitie 2025-2026 Meesterklasse ronde 4 · Saturday 22 November 2025
KOLLEN, Z. (ZYON) (FM) 2357
6552 KNSB competitie 2022-2023 Meesterklasse ronde 6 · Saturday 11 February 2023
PHAM, K.V. (KHOI) (IM) 2355
6963 KNSB competitie 2022-2023 Meesterklasse ronde 8 · Saturday 1 April 2023
KLEK, HANNA MARIE (WGM) 2311
Deutsche Pokalmannschaftsmeisterschaft 2026 Maerz · Sunday 8 March 2026
Worst losses
REESE DE, E. (ELIAS) 2148
Belgian Interclubs 2024-2025 Round 2 · Sunday 6 October 2024
HILWERDA, J.V. (JONAS) (FM) 2240
8568 KNSB competitie 2023-2024 Meesterklasse ronde 7 · Saturday 2 March 2024
STERCK, ARNO (FM) 2246
Belgian Interclubs Round 2025-2026 Ronde 11 · Sunday 19 April 2026
DREELINCK, A. (ADRIAAN) 2247
Belgian Interclubs 2024-2025 Round 3 · Sunday 3 November 2024
FLUECHTER, G. (GREGOR) 2267
Oberliga NRW 2023-2024 October 2023 · Sunday 29 October 2023
Belgian Interclubs Round 2025-2026 Ronde 11 Sunday 19 April 2026 +0–1=0 -7.7
Team 2026 - Nationale 4 r6-7 Sunday 15 March 2026 +1–0=0 +0.4
Deutsche Pokalmannschaftsmeisterschaft 2026 Maerz Saturday 7 March 2026 +1–0=0 +4.7
2. Bundesliga Nord 2025-2026 Maerz 2026 Sunday 1 March 2026 +1–0=0 +3.4
Belgian Interclubs Round 2025-2026 Ronde 7 Sunday 8 February 2026 +1–0=0 +3.1
2. Bundesliga Nord 2025-2026 Februar 2026 Friday 6 February 2026 +0–1=0 -5.5
NRW-Klasse Gruppe 2 2025-2026 Februar 2026 Sunday 1 February 2026 +0–0=1 -0.7
Team 2026 - Nationale 4 r5 Sunday 1 February 2026 +1–0=0 +0.8
Belgian Interclubs Round 2025-2026 Ronde 6 Sunday 25 January 2026 +1–0=0 +2.9
Team 2026 - Nationale 4 r4 Sunday 18 January 2026 +1–0=0 +0.2
NRW-Klasse Gruppe 2 2025-2026 November 2025 Sunday 2 November 2025 +1–0=0 +4.3
2. Bundesliga Nord 2025-2026 September 2025 Saturday 27 September 2025 +2–0=0 +10.0
KNSB competitie 2025-2026 Meesterklasse ronde 9 Saturday 20 September 2025 +1–0=0 +6.0
KNSB competitie 2025-2026 Meesterklasse ronde 6 Saturday 20 September 2025 +0–1=0 -5.9
KNSB competitie 2025-2026 Meesterklasse ronde 8 Saturday 20 September 2025 +0–0=1 -3.4
KNSB competitie 2025-2026 Meesterklasse ronde 7 Saturday 20 September 2025 +1–0=0 +3.9
KNSB competitie 2025-2026 Meesterklasse ronde 5 Saturday 20 September 2025 +0–0=1 -1.1
KNSB competitie 2025-2026 Meesterklasse ronde 4 Saturday 20 September 2025 +1–0=0 +6.6
KNSB competitie 2025-2026 Meesterklasse ronde 3 Saturday 20 September 2025 +0–0=1 +2.0
KNSB competitie 2025-2026 Meesterklasse ronde 2 Saturday 20 September 2025 +0–1=0 -4.6
KNSB competitie 2025-2026 Meesterklasse ronde 1 Saturday 20 September 2025 +1–0=0 +4.7
KNSB competitie 2024-2025 Meesterklasse ronde 9 Saturday 21 September 2024 +1–0=0 +6.0
KNSB competitie 2024-2025 Meesterklasse ronde 8 Saturday 21 September 2024 +1–0=0 +4.4
KNSB competitie 2024-2025 Meesterklasse ronde 7 Saturday 21 September 2024 +0–0=1 -1.4
KNSB competitie 2024-2025 Meesterklasse ronde 5 Saturday 21 September 2024 +0–1=0 -7.0
KNSB competitie 2024-2025 Meesterklasse ronde 3 Saturday 21 September 2024 +0–0=1 -1.2
KNSB competitie 2024-2025 Meesterklasse ronde 2 Saturday 21 September 2024 +0–0=1 +3.0
KNSB competitie 2024-2025 Meesterklasse ronde 1 Saturday 21 September 2024 +0–1=0 -3.6
KNSB competitie 2023-2024 Meesterklasse ronde 9 Saturday 16 September 2023 +0–0=1 +3.5
KNSB competitie 2023-2024 Meesterklasse ronde 8 Saturday 16 September 2023 +0–1=0 -4.2
KNSB competitie 2023-2024 Meesterklasse ronde 7 Saturday 16 September 2023 +0–1=0 -7.9
KNSB competitie 2023-2024 Meesterklasse ronde 6 Saturday 16 September 2023 +0–1=0 -3.1
KNSB competitie 2023-2024 Meesterklasse ronde 5 Saturday 16 September 2023 +1–0=0 +3.3
KNSB competitie 2023-2024 Meesterklasse ronde 4 Saturday 16 September 2023 +0–1=0 -6.9
KNSB competitie 2023-2024 Meesterklasse ronde 3 Saturday 16 September 2023 +0–0=1 -2.1
KNSB competitie 2023-2024 Meesterklasse ronde 2 Saturday 16 September 2023 +1–0=0 +2.6
KNSB competitie 2023-2024 Meesterklasse ronde 1 Saturday 16 September 2023 +0–0=1 -1.0
Team 2026 - Nationale 4 r3 Saturday 6 December 2025 +1–0=0 +3.2
Team 2026 - Nationale 4 r2 Sunday 16 November 2025 +1–0=0 +0.4
NRW-Klasse Gruppe 2 2025-2026 Oktober 2025 Sunday 12 October 2025 +1–0=0 +3.0
Oberliga NRW 2024-2025 Mai 2025 Saturday 3 May 2025 +1–0=1 +1.8
Team 2025 - Nationale 4 r7 Sunday 30 March 2025 +1–0=0 +0.4
Team 2025 - Nationale 4 r6 Sunday 16 March 2025 +1–0=0 +1.5
Oberliga NRW 2024-2025 Februar 2025 Saturday 8 February 2025 +2–0=0 +9.8
Team 2025 - Nationale 4 r5 Sunday 2 February 2025 +1–0=0 +0.9
Oberliga NRW 2024-2025 Dezember 2024 Sunday 1 December 2024 +1–0=2 +3.4
Belgian Interclubs 2024-2025 Round 4 Sunday 17 November 2024 +0–0=1 -3.9
Belgian Interclubs 2024-2025 Round 3 Sunday 3 November 2024 +0–1=0 -8.1
Belgian Interclubs 2024-2025 Round 2 Sunday 6 October 2024 +0–1=0 -9.8
NRW-Viererpokal 2024 Zwischenrunde Saturday 25 May 2024 +1–0=1 +1.2
Belgian Interclubs 2023-2024 Play-off matches Sunday 28 April 2024 +0–0=1 -1.2
Belgian Interclubs 2023-2024 Round 11 Sunday 21 April 2024 +0–0=1 0.0
Oberliga NRW 2023-2024 April 2024 Sunday 7 April 2024 +0–1=0 -6.3
Belgian Interclubs 2023-2024 Round 10 Sunday 24 March 2024 +0–0=1 -0.6
Oberliga NRW 2023-2024 March 2024 Sunday 10 March 2024 +1–0=0 +4.5
Oberliga NRW 2023-2024 February 2024 Sunday 18 February 2024 +0–0=1 -3.8
Belgian Interclubs 2023-2024 Round 7 Sunday 4 February 2024 +0–1=0 -4.2
Oberliga NRW 2023-2024 January 2024 Sunday 28 January 2024 +0–0=1 -3.4
Oberliga NRW 2023-2024 October 2023 Sunday 29 October 2023 +0–1=0 -7.1
Belgian Interclubs 2023-2024 Round 3 Sunday 22 October 2023 +0–1=0 -5.2
Oberliga NRW 2023-2024 September 2023 Sunday 3 September 2023 +0–0=1 -1.1
Oberliga NRW 2022-2023 May 2023 Sunday 14 May 2023 +0–0=1 -2.5
Oberliga NRW 2022-2023 April 2023 Sunday 16 April 2023 +0–1=0 -6.4
NRW-Viererpokal 2023 Vorrunde Saturday 25 March 2023 +1–0=0 +1.9
Belgian Interclubs 2022-2023 Ronde 5 Sunday 4 December 2022 +1–0=0 +3.6
Oberliga NRW 2022-2023 November 2022 Sunday 6 November 2022 +0–0=1 -2.0
Team 2023 - HDF Novembre Tuesday 1 November 2022 +1–0=0
KNSB competitie 2022-2023 Meesterklasse ronde 8 Saturday 17 September 2022 +1–0=0 +4.8
KNSB competitie 2022-2023 Meesterklasse ronde 7 Saturday 17 September 2022 +0–1=0 -5.8
KNSB competitie 2022-2023 Meesterklasse ronde 6 Saturday 17 September 2022 +1–0=0 +4.8
KNSB competitie 2022-2023 Meesterklasse ronde 5 Saturday 17 September 2022 +1–0=0 +0.9
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +1–0=0 +0.5
KNSB competitie 2022-2023 Meesterklasse ronde 4 Saturday 17 September 2022 +0–0=1 -2.9

Team Competition

Current team
LSG 1
Meesterklasse · 2025-2026 · 9 games
Past teams
LSG IntelliMagic 1
Meesterklasse · 2024-2025
LSG IntelliMagic 1
Meesterklasse · 2023-2024
LSG IntelliMagic 1
Meesterklasse · 2022-2023
LSG IntelliMagic 1
Meesterklasse · 2021-2022

Rating History

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Peak Ratings

Classic 2395 June 1, 2023
Rapid 2373 March 1, 2026
Blitz 2373 March 1, 2026

Games

Wins 37
Losses 18
Draws 24
Win Rate 47%

Performance by Color

Color Wins Draws Losses Win Rate
White 17 9 6 53%
Black 20 15 12 43%

Recent Matches

FM Sterck, Arno (2246) Sunday 19 April 2026 LOSS -7.7
FM Waele de, W. (Warre) (2376) Saturday 11 April 2026 WIN +6.0
Pin, Philippe (1840) Sunday 29 March 2026 WIN +0.4
FM Slagboom, L. (Leandro) (2357) Saturday 28 March 2026 LOSS -5.9
WGM Klek, Hanna Marie (2311) Sunday 8 March 2026 WIN +4.7
CM Dinanath, H. (Hrdya) (2133) Saturday 7 March 2026 DRAW -3.4
CM Weidenhoefer, Max (2223) Sunday 1 March 2026 WIN +3.4
IM Kuegel, Tobias (2389) Saturday 28 February 2026 LOSS -5.5
IM Becker, M. (Marcel) (2321) Sunday 22 February 2026 DRAW -0.7
CM Vermoesen, Jordan (2186) Sunday 8 February 2026 WIN +3.1
Raats, J. (Joppe) (2242) Saturday 7 February 2026 WIN +3.9
Thomas, Olivier (1945) Sunday 1 February 2026 WIN +0.8
Duhayon, Yves (2164) Sunday 25 January 2026 WIN +2.9
Dalili, Nader (1762) Sunday 18 January 2026 WIN +0.2
FM Tondivar, B. (Babak) (2292) Saturday 13 December 2025 DRAW -1.1
Dadban, Ali (2181) Saturday 6 December 2025 WIN +3.2
IM Griendt van de, J.W.J. (Jan Willem) (2362) Saturday 22 November 2025 WIN +6.6
Radina, Franck (1811) Sunday 16 November 2025 WIN +0.4
FM Schmitzer, Klaus (2230) Sunday 2 November 2025 WIN +4.3
IM Kuipers, S.C. (Stefan) (2464) Saturday 1 November 2025 DRAW +2.0