KNSB FIDE
JG

Jari Groen

Rated since January 2023

2061 Classic
1984 Rapid
2049 Blitz

RIVALRY

Not enough games to determine rivalries yet.

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 +2–0=1 +37.1
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +4–1=4 +91.5
HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 5 August 2023 +4–2=2 +23.8
Open NK Schaken 2026 Vierkampen Tuesday 21 July 2026 +1–0=2 +11.6
LeiSB regionale competitie 25-26 Hoofdklasse maart Wednesday 1 October 2025 +0–0=1
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=1 +5.9
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–1=0 -15.6
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 +0–3=0 -38.7
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 +1–0=0 +8.3
Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2024-03 Sunday 8 October 2023 +0–0=1 -1.8
Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2023-12 Sunday 8 October 2023 +0–1=0 -28.7
Regionale competitie Leidse Schaakbond 2023 - 2024 Hoofdklasse 2023-11 Sunday 8 October 2023 +0–1=0 -25.1
KNSB competitie 2023-2024 Klasse 3 ronde 9 Saturday 16 September 2023 +0–1=0 -24.8
KNSB competitie 2023-2024 Klasse 3 ronde 8 Saturday 16 September 2023 +0–1=0 -12.1
KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +0–0=1 +10.2
KNSB competitie 2023-2024 Klasse 3 ronde 4 Saturday 16 September 2023 +0–1=0 -13.3
KNSB competitie 2023-2024 Klasse 3 ronde 3 Saturday 16 September 2023 +0–0=1 -3.9
KNSB competitie 2023-2024 Klasse 3 ronde 2 Saturday 16 September 2023 +0–1=0 -21.7
KNSB competitie 2023-2024 Klasse 3 ronde 1 Saturday 16 September 2023 +1–0=0 +18.8
44ste Open Internationaal toernooi Gent 2023 Saturday 15 July 2023 +4–3=2 -0.3
NJSK A jeugd Friday 21 April 2023 +2–1=4 +24.3
Kwalificatie 4 NK ABC Groep A Saturday 18 March 2023 +2–2=2 -97.7
82e Noteboomtoernooi Groep A Friday 24 February 2023 +2–2=2 +76.2
ZSB Avondcompetitie 2022-2023 Groep A Wednesday 1 February 2023 +0–0=1 +10.1
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 +1–0=0 +10.2
KNSB competitie 2022-2023 Klasse 3 ronde 9 Saturday 17 September 2022 +0–1=0 -11.8
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +0–0=1 -0.2
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +1–0=0 +11.1
KNSB competitie 2022-2023 Klasse 3 ronde 6 Saturday 17 September 2022 +1–0=0 +19.3
KNSB competitie 2022-2023 Klasse 3 ronde 5 Saturday 17 September 2022 +1–0=0 +24.6
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +0–1=0 -7.8
KNSB competitie 2022-2023 Klasse 3 ronde 4 Saturday 17 September 2022 +0–1=0 -10.7

Team Competition

Current team
Goes 1
Klasse 3E · 2025-2026 · 6 games
Past teams
Goes 1
Klasse 4H · 2024-2025
Goes 1
Klasse 3F · 2023-2024
Goes 1
Klasse 3G · 2022-2023
Goes 1
Klasse 3G · 2021-2022
Goes 2
Klasse 4G · 2021-2022

Rating History

Loading rating history...

Peak Ratings

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

Games

Wins 62
Losses 43
Draws 42
Win Rate 42%

Performance by Color

Color Wins Draws Losses Win Rate
White 33 25 16 45%
Black 29 17 27 40%

Recent Matches

Viersma, M. (Murk) (2043) Wednesday 29 July 2026 DRAW -0.2
Kovalcik, Adam (2032) Tuesday 28 July 2026 WIN +11.9
Wolbers, J.P. (Johan) (2046) Monday 27 July 2026 DRAW -0.1
Termeulen, A. (Albert) (2043) Friday 20 March 2026 DRAW
Hartog den, M.F. (Marijn) (2222) Saturday 7 March 2026 DRAW +5.9
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