KNSB FIDE
AH

Arjen van Herwaarden

Rated since January 2023

2003 Classic

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
GEERTS, A.C. (ALEXANDER) 2104
6553 KNSB competitie 2022-2023 Klasse 1 ronde 6 · 2023-02-11
KOSSEN, J. (JOHANNES) 2008
6729 KNSB competitie 2022-2023 Klasse 1 ronde 7 · 2023-03-11
JOOSTEN, P.S.G. (PAUL) 1935
11993 KNSB competitie 2025-2026 Klasse 4 ronde 2 · 2025-10-04
Worst losses
VERHOEVEN, R. (ROBIN) 2061
8069 KNSB competitie 2023-2024 Klasse 1 ronde 5 · 2023-12-16
WILGENHOF, O. (OTTO) 2120
8569 KNSB competitie 2023-2024 Klasse 1 ronde 7 · 2024-03-02
AMMERLAAN, R. (RICHARD) 2123
9947 KNSB competitie 2024-2025 Klasse 1 ronde 4 · 2024-11-23
CROESE, C. (COR) 2130
6165 KNSB competitie 2022-2023 Klasse 1 ronde 4 · 2022-11-26
DUIJN, R.R.M. (RICHARD) (FM) 2185
6964 KNSB competitie 2022-2023 Klasse 1 ronde 8 · 2023-04-01
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 4 ronde 2 Sat, Sep 20, 2025 +1–0=0 +10.3
KNSB competitie 2024-2025 Klasse 1 ronde 4 Sat, Sep 21, 2024 +0–1=0 -8.6
KNSB competitie 2024-2025 Klasse 1 ronde 2 Sat, Sep 21, 2024 +0–1=0 -4.4
KNSB competitie 2023-2024 Klasse 1 ronde 9 Sat, Sep 16, 2023 +0–1=0 -6.5
KNSB competitie 2023-2024 Klasse 1 ronde 8 Sat, Sep 16, 2023 +0–0=1 +8.2
KNSB competitie 2023-2024 Klasse 1 ronde 7 Sat, Sep 16, 2023 +0–1=0 -9.1
KNSB competitie 2023-2024 Klasse 1 ronde 6 Sat, Sep 16, 2023 +0–0=1 -2.0
KNSB competitie 2023-2024 Klasse 1 ronde 5 Sat, Sep 16, 2023 +0–1=0 -11.6
KNSB competitie 2023-2024 Klasse 1 ronde 3 Sat, Sep 16, 2023 +0–0=1 +6.3
KNSB competitie 2023-2024 Klasse 1 ronde 2 Sat, Sep 16, 2023 +0–0=1 -5.7
KNSB competitie 2023-2024 Klasse 1 ronde 1 Sat, Sep 16, 2023 +0–1=0 -7.4
KNSB competitie 2022-2023 Klasse 1 ronde 8 Sat, Sep 17, 2022 +0–1=0 -8.0
KNSB competitie 2022-2023 Klasse 1 ronde 7 Sat, Sep 17, 2022 +1–0=0 +11.4
KNSB competitie 2022-2023 Klasse 1 ronde 6 Sat, Sep 17, 2022 +1–0=0 +15.3
KNSB competitie 2022-2023 Klasse 1 ronde 5 Sat, Sep 17, 2022 +0–0=1 -3.7
KNSB competitie 2022-2023 Klasse 1 ronde 4 Sat, Sep 17, 2022 +0–1=0 -9.4

Rating History

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Peak Ratings

Classic 2050 April 1, 2023
Rapid 2000 March 1, 2026
Blitz 2000 March 1, 2026

Games

Wins 3
Losses 8
Draws 5
Win Rate 19%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 3 5 27%
Black 0 2 3 0%

Recent Matches

Joosten, P.S.G. (Paul) (1935) 2025-10-04 WIN +10.3
Ammerlaan, R. (Richard) (2123) 2024-11-23 LOSS -8.6
FM Hintze, H. (Helge) (2281) 2024-10-12 LOSS -4.4
CM Rijn van, A.B. (Anton) (2203) 2024-04-20 LOSS -6.5
FM Odendahl, R. (Reiner) (2292) 2024-03-23 DRAW +8.2
Wilgenhof, O. (Otto) (2120) 2024-03-02 LOSS -9.1
Visscher, H. (Harmen) (1965) 2024-02-03 DRAW -2.0
Verhoeven, R. (Robin) (2061) 2023-12-16 LOSS -11.6
CM Visser, H.C.J. (Henk-Jan) (2225) 2023-11-04 DRAW +6.3
Klooster, J. (Jim) (1863) 2023-10-07 DRAW -5.7
Werksma, A. (Arie) (2195) 2023-09-16 LOSS -7.4
FM Duijn, R.R.M. (Richard) (2185) 2023-04-01 LOSS -8.0
Kossen, J. (Johannes) (2008) 2023-03-11 WIN +11.4
Geerts, A.C. (Alexander) (2104) 2023-02-11 WIN +15.3
Brandsma, R.L. (Romayn) (1930) 2022-12-17 DRAW -3.7
Croese, C. (Cor) (2130) 2022-11-26 LOSS -9.4