KNSB FIDE
JW

Joël van der Werf

Rated since January 2023

2163 Classic
2127 Rapid

RIVALRY

Nemesis
IJzermans, C.G.J. (Cees)
Games: 4 · Win rate: 25%

The good & the bad

Best wins
NOTHNAGEL, MARIAN CAN (FM) 2434
10780 27e HZ University of Applied Sciences Schaaktoernooi Groep A · Sunday 3 August 2025
OSCH VAN, M. (MEES) (FM) 2364
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
TELLINGEN VAN, F. (FRANK) (FM) 2290
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
TIKRANIAN, A. (ALIK) (FM) 2286
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
QUIST, J.W. (JOHAN) (FM) 2284
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
Worst losses
INGLETTI, IVAN 1796
Maia Chess Open 2024 · Saturday 24 August 2024
SPANNRING, P. (PETER) 1899
12006 NK Snelschaak voor clubteams Groep A · Sunday 29 March 2026
ANDRADE, RICARDO SARMENTO 1899
Maia Chess Open 2024 · Friday 23 August 2024
EJSYMONT, BLANKA (WCM) 1904
PRAGUE OPEN 2025 - A - IM open · Thursday 16 January 2025
MOURYC, TOMAS 1932
PRAGUE OPEN 2025 - A - IM open · Sunday 12 January 2025
NK Snelschaak voor clubteams Groep A Sunday 29 March 2026 +9–5=2 -20.9
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +8–0=10 +38.8
2026 Chess.com Botwinnik Open Groep A Friday 2 January 2026 +1–0=5 -9.3
Chessfestival Groningen Vierkampen Groep A Monday 22 December 2025 +1–1=1 +9.2
Amsterdam Chess Open Groep A Friday 24 October 2025 +3–3=0 +3.4
NK Snelschaken 2025 Groep A Saturday 13 September 2025 +14–11=1 -19.7
27e HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 2 August 2025 +4–2=3 +35.2
15e WLC Weekendtoernooi Groep A Friday 16 May 2025 +3–0=2 +36.2
TAPIJTGIGANT OPEN ASK 2025 Groep A Saturday 19 April 2025 +2–1=3 +24.7
DD Den Haag Open Schaakkampioenschap 2025 Ronde 4 t/m 7 Wednesday 5 February 2025 +1–0=3 +6.6
DD Den Haag Open Schaakkampioenschap 2025 Ronde 1 t/m 3 Wednesday 5 February 2025 +1–0=0 +3.3
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +3–2=4 +12.8
2025 Chess.com Botwinnik Rapid toernooi Groep A Saturday 4 January 2025 +2–1=4 +14.4
Amsterdam Chess Open Groep A Friday 1 November 2024 +2–3=1 -9.0
HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 3 August 2024 +5–3=1 +0.9
DD Den Haag Open Schaakkampioenschap 2024 Ronde 7 Wednesday 7 February 2024 +1–0=0 +9.7
DD Den Haag Open Schaakkampioenschap 2024 Ronde 3 t/m 6 Wednesday 7 February 2024 +2–0=1 +5.9
DD Den Haag Open Schaakkampioenschap 2024 Ronde 1 t/m 2 Wednesday 7 February 2024 +2–0=0 +1.6
Tata Steel Chess Tournament 2024 Weekendvierkampen Friday 12 January 2024 +1–0=2 +9.4
HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 5 August 2023 +5–1=3 +48.9
Tata Steel Chess Tournament 2023 Tienkampen Friday 13 January 2023 +5–2=2 +18.1
LeiSB regionale competitie 25-26 Hoofdklasse maart Wednesday 1 October 2025 +0–1=0 -10.5
LeiSB regionale competitie 25-26 Hoofdklasse februari Wednesday 1 October 2025 +0–0=2 -0.7
LeiSB regionale competitie 25-26 Hoofdklasse december Wednesday 1 October 2025 +0–0=2 +0.2
LeiSB regionale competitie 25-26 Hoofdklasse november Wednesday 1 October 2025 +1–0=0 +5.2
LeiSB regionale competitie 25-26 Hoofdklasse oktober Wednesday 1 October 2025 +1–0=0 +6.7
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +0–1=0 -13.1
KNSB competitie 2025-2026 Klasse 2 ronde 8 Saturday 20 September 2025 +0–1=0 -5.6
KNSB competitie 2025-2026 Klasse 2 ronde 7 Saturday 20 September 2025 +0–0=2 -2.9
KNSB competitie 2025-2026 Klasse 2 ronde 5 Saturday 20 September 2025 +1–0=0 +8.6
KNSB competitie 2025-2026 Klasse 2 Ronde 4 Saturday 20 September 2025 +1–0=0 +6.2
KNSB competitie 2025-2026 Klasse 2 ronde 3 Saturday 20 September 2025 +0–0=1 -0.3
KNSB competitie 2025-2026 Klasse 2 ronde 2 Saturday 20 September 2025 +1–0=0 +7.7
KNSB competitie 2025-2026 Klasse 2 ronde 1 Saturday 20 September 2025 +0–1=0 -9.1
Maia Chess Open 2025 - Maia Masters Friday 22 August 2025 +3–3=3 -15.6
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo) Saturday 19 July 2025 +2–5=2 -16.7
PRAGUE OPEN 2025 - A - IM open Friday 10 January 2025 +3–3=3 -53.2
35ste Open van Leuven Friday 8 November 2024 +2–1=4 -8.8
LeiSB competitie 2024-2025 H 26-3 25-4 Monday 7 October 2024 +1–0=0 +12.7
LeiSB competitie 2024-2025 H 23-2 25-3 Monday 7 October 2024 +0–0=1 -5.1
LeiSB competitie 2024-2025 H 25-11-16-12 Monday 7 October 2024 +1–0=0 +8.9
LeiSB competitie 2024-2025 H 28-10-24-11 Monday 7 October 2024 +1–0=0 +6.5
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +0–1=0 -7.2
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–0=1 +2.1
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +0–0=1 +0.6
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +1–0=0 +14.6
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–0=1 -3.1
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–1=0 -8.7
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +1–0=0 +10.6
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–1=0 -6.7
Maia Chess Open 2024 Friday 23 August 2024 +4–2=3 -50.3
Snelschaak Teams (tijdens NK 2024) Saturday 13 July 2024 +8–10=0 +30.2
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-04 Sunday 8 October 2023 +1–0=0
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-03 Sunday 8 October 2023 +1–0=0 +0.6
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +1–0=0 +9.9
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +1–0=0 +11.5
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–0=1 +0.0
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +1–0=0 +9.2
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +0–0=1 +6.8
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +1–0=0 +11.8
KNSB competitie 2023-2024 Klasse 2 ronde 3 Saturday 16 September 2023 +0–0=1 -8.8
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +0–0=1 +7.1
82e Noteboomtoernooi Groep A Friday 24 February 2023 +1–3=2 -11.3
Regionale competitie LeiSB 2022-2023 1e Klasse mei 2023 Saturday 1 October 2022 +1–0=0 +1.0
Regionale competitie LeiSB 2022-2023 1e Klasse april 2023 Saturday 1 October 2022 +0–0=1 -1.5
Regionale competitie LeiSB 2022-2023 1e Klasse maart 2023 Saturday 1 October 2022 +0–0=1 -4.1
Regionale competitie LeiSB 2022-2023 1e Klasse februari Saturday 1 October 2022 +1–0=0 +6.8
Regionale competitie LeiSB 2022-2023 1e Klasse december 2022 Saturday 1 October 2022 +1–0=0 +9.1
KNSB competitie 2022-2023 Klasse 3 ronde 9 Saturday 17 September 2022 +1–0=0 +7.1
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +0–1=0 -7.5
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +0–1=0 -10.7
KNSB competitie 2022-2023 Klasse 3 ronde 6 Saturday 17 September 2022 +1–0=0 +7.9
KNSB competitie 2022-2023 Klasse 3 ronde 5 Saturday 17 September 2022 +0–0=1 +4.0
KNSB competitie 2022-2023 Klasse 3 ronde 4 Saturday 17 September 2022 +1–0=0 +13.6
Tournament 20240510024 +1–0=0 +5.6
Tournament 20231210513 +2–0=0 +7.0

Rating History

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Peak Ratings

Classic 2211 March 1, 2026
Rapid 2127 Feb. 1, 2025
Blitz 2204 Oct. 1, 2024

Games

Wins 123
Losses 71
Draws 83
Win Rate 44%

Performance by Color

Color Wins Draws Losses Win Rate
White 63 44 37 44%
Black 60 39 34 45%

Recent Matches

CM Moll, A. (Arne) (2221) Sunday 29 March 2026 LOSS -9.3
Hoff van 't, T. (Tom) (2122) Sunday 29 March 2026 WIN +8.6
Dam van, N. (Niels) (2101) Sunday 29 March 2026 LOSS -12.8
CM Moll, A. (Arne) (2221) Sunday 29 March 2026 WIN +11.5
Hoff van 't, T. (Tom) (2122) Sunday 29 March 2026 DRAW -1.8
Dam van, N. (Niels) (2101) Sunday 29 March 2026 LOSS -12.8
Spannring, P. (Peter) (1899) Sunday 29 March 2026 WIN +3.3
Sanderse, G. (Gerard) (1938) Sunday 29 March 2026 WIN +4.1
Veen van, J. (Jesper) (1590) Sunday 29 March 2026 WIN +0.4
FM Bruil, R.A. (Rembrandt) (2318) Sunday 29 March 2026 LOSS -6.7
Spannring, P. (Peter) (1899) Sunday 29 March 2026 LOSS -17.5
FM Bruil, R.A. (Rembrandt) (2318) Sunday 29 March 2026 DRAW +3.8
Omnes, T. (Tiago) (1807) Sunday 29 March 2026 WIN +1.9
Sanderse, G. (Gerard) (1938) Sunday 29 March 2026 WIN +4.1
Omnes, T. (Tiago) (1807) Sunday 29 March 2026 WIN +1.9
Veen van, J. (Jesper) (1590) Sunday 29 March 2026 WIN +0.4
Konijn, R. (Rob) (2082) Saturday 28 March 2026 LOSS -13.1
Damen, I.P.C. (Igor) (2181) Friday 20 March 2026 LOSS -10.5
FM Vliet van, J. (Jeffrey) (2372) Saturday 7 March 2026 LOSS -5.6
Beuman, T.H. (Thomas) (2180) Tuesday 10 February 2026 DRAW -0.4