KNSB FIDE
JG

Jari Groen

Rated since January 2023

2049 Classic

RIVALRY

Nemesis
Termeulen, A. (Albert)
Games: 4 · Win rate: 50%
Kryptonite
Grochal, J. (Joey)
Games: 3 · Win rate: 0%
Easy Target
Kools, J. (Jasper)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
VICTOR, J. (JULIAN) (FM) 2147
44ste Open Internationaal toernooi Gent 2023 · Monday 17 July 2023
KRASENKOVA, I. (ILENA) (WIM) 2137
6916 HZ University of Applied Sciences Schaaktoernooi Groep A · Thursday 10 August 2023
MAREL VAN DER, B. (LAMBERTUS) 2129
6354 82e Noteboomtoernooi Groep A · Sunday 26 February 2023
VISTISEN, L.M. (LARS) (CM) 2108
6354 82e Noteboomtoernooi Groep A · Saturday 25 February 2023
BRANDENBURG, E. (ERIK) 2100
12592 KNSB competitie 2025-2026 Klasse 3 ronde 5 · Saturday 13 December 2025
Worst losses
PETRASHKEVYCH, P. (PAVLO) 1186
4895 Kwalificatie 4 NK ABC Groep A · Saturday 18 March 2023
STAAL, R.T. (RYAN) 1655
5253 Kwalificatie 2 NK ABC A Jeugd en meisjes · Saturday 7 January 2023
REBREYEND, C. (CHRISTOPHE) 1690
6916 HZ University of Applied Sciences Schaaktoernooi Groep A · Sunday 6 August 2023
VIJVER, J. (JONATHAN) 1766
8140 Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2023-12 · Thursday 7 December 2023
MUSABAYEVA, DIANA 1788
44ste Open Internationaal toernooi Gent 2023 · Wednesday 19 July 2023
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +0–1=2 -14.4
2026 Chess.com Botwinnik Open Groep A Friday 2 January 2026 +2–4=0 -39.8
27e HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 2 August 2025 +4–3=2 +0.9
17e BPB Limburg Open 2025 Groep B Friday 6 June 2025 +5–1=0 +28.0
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +5–2=2 +42.5
Amsterdam Science Park Chess Tournament Dagvierkamp Saturday 13 July 2024 +4–0=2 +75.0
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +8–2=8 +188.9
HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 5 August 2023 +8–4=4 +22.6
LeiSB regionale competitie 25-26 Hoofdklasse maart Wednesday 1 October 2025 +0–0=2
LeiSB regionale competitie 25-26 Hoofdklasse november Wednesday 1 October 2025 +1–0=0 +12.2
LeiSB regionale competitie 25-26 Hoofdklasse oktober Wednesday 1 October 2025 +0–0=1 +0.6
KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +0–0=2 +11.7
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–2=0 -31.2
KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +1–0=0 +12.5
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +0–1=0 -2.9
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +1–0=0 +10.8
KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +1–0=0 +9.8
Open NK Schaken 2025 Vierkampen Tuesday 22 July 2025 +0–1=2 -9.2
LeiSB competitie 2024-2025 H 26-3 25-4 Monday 7 October 2024 +0–1=0 -12.8
LeiSB competitie 2024-2025 H 23-1 22-1 Monday 7 October 2024 +1–0=0 +11.6
LeiSB competitie 2024-2025 H 28-10-24-11 Monday 7 October 2024 +1–0=0 +18.1
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +0–0=1 -3.1
KNSB competitie 2024-2025 Klasse 4 ronde 8 Saturday 21 September 2024 +1–0=0 +5.1
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +1–0=0 +10.2
KNSB competitie 2024-2025 Klasse 4 ronde 6 Saturday 21 September 2024 +1–0=0 +6.4
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +0–0=1 -3.5
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +1–0=0 +21.0
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +0–0=1 -0.3
Brasschaat Open 2024 Saturday 17 August 2024 +3–1=2 -24.7
83e Noteboomtoernooi Groep A Friday 16 February 2024 +0–6=0 -74.5
Huttontoernooi 2023 Huttontoernooi 2023 Saturday 28 October 2023 +3–2=0 +27.0
Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2024-05 Sunday 8 October 2023 +2–0=0 +16.7
Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2024-03 Sunday 8 October 2023 +0–0=2 -3.2
Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2023-12 Sunday 8 October 2023 +0–2=0 -53.0
Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2023-11 Sunday 8 October 2023 +0–2=0 -50.3
KNSB competitie 2023-2024 Klasse 3 ronde 9 Saturday 16 September 2023 +0–2=0 -49.3
KNSB competitie 2023-2024 Klasse 3 ronde 8 Saturday 16 September 2023 +0–2=0 -24.0
KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +0–0=2 +21.3
KNSB competitie 2023-2024 Klasse 3 ronde 4 Saturday 16 September 2023 +0–2=0 -26.9
KNSB competitie 2023-2024 Klasse 3 ronde 3 Saturday 16 September 2023 +0–0=2 -8.1
KNSB competitie 2023-2024 Klasse 3 ronde 2 Saturday 16 September 2023 +0–2=0 -47.1
KNSB competitie 2023-2024 Klasse 3 ronde 1 Saturday 16 September 2023 +2–0=0 +37.2
44ste Open Internationaal toernooi Gent 2023 Saturday 15 July 2023 +8–6=4 -16.1
NJSK A jeugd Friday 21 April 2023 +4–2=8 +21.2
Kwalificatie 4 NK ABC Groep A Saturday 18 March 2023 +2–2=2 -97.7
82e Noteboomtoernooi Groep A Friday 24 February 2023 +4–4=4 +118.0
ZSB Avondcompetitie 2022-2023 Groep A Wednesday 1 February 2023 +0–0=2 +15.3
Kwalificatie 2 NK ABC A Jeugd en meisjes Saturday 7 January 2023 +3–2=2 -70.3
ZSB Avondcompetitie 2022-2023 Groep A Sunday 20 November 2022 +2–0=0 +18.9
KNSB competitie 2022-2023 Klasse 3 ronde 9 Saturday 17 September 2022 +0–2=0 -21.5
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +0–0=2 -2.9
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +2–0=0 +17.5
KNSB competitie 2022-2023 Klasse 3 ronde 6 Saturday 17 September 2022 +2–0=0 +30.0
KNSB competitie 2022-2023 Klasse 3 ronde 5 Saturday 17 September 2022 +2–0=0 +34.8
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +0–2=0 -12.4
KNSB competitie 2022-2023 Klasse 3 ronde 4 Saturday 17 September 2022 +0–2=0 -15.3

Rating History

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Peak Ratings

Classic 2113 Jan. 1, 2026
Rapid 1984 Aug. 1, 2024
Blitz 2049 April 1, 2026

Games

Wins 85
Losses 65
Draws 62
Win Rate 40%

Performance by Color

Color Wins Draws Losses Win Rate
White 43 40 25 40%
Black 42 22 40 40%

Recent Matches

Termeulen, A. (Albert) (2043) Friday 20 March 2026 DRAW
Termeulen, A. (Albert) (2043) Friday 20 March 2026 DRAW
Hartog den, M.F. (Marijn) (2222) Saturday 7 March 2026 DRAW +5.9
Hartog den, M.F. (Marijn) (2222) Saturday 7 March 2026 DRAW +5.9
Mohtaat, H. (Homayoun) (1968) Saturday 7 February 2026 LOSS -15.6
Mohtaat, H. (Homayoun) (1968) Saturday 7 February 2026 LOSS -15.6
Negele, M. (Michael) (2170) Wednesday 21 January 2026 DRAW +1.9
Helvoort van, R.A.M. (Rob) (2078) Tuesday 20 January 2026 LOSS -13.4
Faber, H.K. (Hugo) (2025) Monday 19 January 2026 DRAW -3.0
Zoun, R.P.C. (Rogier) (2083) Sunday 4 January 2026 LOSS -13.2
Omnes, T. (Tiago) (2061) Sunday 4 January 2026 WIN +10.4
Darie, A.C. (Aden) (2031) Saturday 3 January 2026 LOSS -14.9
Straat, R.F. (Rody) (2002) Saturday 3 January 2026 WIN +8.5
Mensing, A.D. (Adrian) (2056) Friday 2 January 2026 LOSS -14.1
Kuijken, F.D. (Felix) (1981) Friday 2 January 2026 LOSS -16.5
Brandenburg, E. (Erik) (2100) Saturday 13 December 2025 WIN +12.5
IM Timmermans, M.A. (Mark) (2423) Saturday 22 November 2025 LOSS -2.9
Margaryan, A. (Artur) (2070) Monday 3 November 2025 WIN +12.2
Dijken van, R.B. (Rex) (2030) Saturday 1 November 2025 WIN +10.8
Rappard van, D.M. (Diederik) (2086) Tuesday 7 October 2025 DRAW +0.6