KNSB FIDE
JD

Jan Willem Duijzer

Rated since January 2023

2132 Classic
2127 Rapid
2074 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
HAVER, D.H. (DAAN) 2204
7803 KNSB competitie 2023-2024 Klasse 2 ronde 4 · Saturday 25 November 2023
NILSSEN, ELLEN FREDERICIA (WIM) 2169
6419 Tata Steel Chess Tournament 2023 Dagvierkampen · Tuesday 17 January 2023
CORSTJENS, R. (ROLF) 2150
8070 KNSB competitie 2023-2024 Klasse 2 ronde 5 · Saturday 16 December 2023
LUBERTI, W. (WIM) 2113
6965 KNSB competitie 2022-2023 Klasse 2 ronde 8 · Saturday 1 April 2023
BUZING, P.C. (PIETER) 2094
10537 HSB competitie 2024-2025 CompFeb2025 · Thursday 6 February 2025
Worst losses
BLOEMBERG, J.L. (JESPER) 1731
Snelschaak (tijdens NK 2024) · Wednesday 10 July 2024
FOKKINGA, T. (TIJL) 1750
Snelschaak (tijdens NK 2024) · Wednesday 10 July 2024
GRAAF DE, M. (MARK) 1755
Snelschaak (tijdens NK 2024) · Wednesday 10 July 2024
BOERSMA, D.J. (DAVID) 1771
6717 HSB competitie 2022-2023 HSB competitie 2022-2023 deel 5 · Monday 20 February 2023
MILORT, G. (GERARD) 2026
Snelschaak (tijdens NK 2024) · Wednesday 10 July 2024
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +1–0=2 +10.1
Tata Steel Chess Tournament 2023 Dagvierkampen Friday 13 January 2023 +1–0=2 +10.8
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +0–0=1 -1.0
KNSB competitie 2025-2026 Klasse 2 ronde 8 Saturday 20 September 2025 +0–1=0 -10.9
KNSB competitie 2025-2026 Klasse 2 ronde 7 Saturday 20 September 2025 +0–0=2 +1.0
KNSB competitie 2025-2026 Klasse 2 ronde 5 Saturday 20 September 2025 +0–1=0 -9.9
KNSB competitie 2025-2026 Klasse 2 ronde 3 Saturday 20 September 2025 +0–0=1 -5.1
HSB competitie 2025-2026 April2026 Monday 1 September 2025 +1–0=0 +3.5
NHSB-competitie 2025-2026 Klasse 2A t/m 12-04-2026 Monday 1 September 2025 +1–0=0 +1.2
NHSB-competitie 2025-2026 Klasse 2A t/m 15-03-2026 Monday 1 September 2025 +1–0=0 +6.7
HSB competitie 2025-2026 CompMrt2026 Monday 1 September 2025 +1–0=0 +3.9
NHSB-competitie 2025-2026 Klasse 2A t/m 15-02-2026 Monday 1 September 2025 +2–0=0 +4.2
HSB competitie 2025-2026 HSBCompetitieFeb26 Monday 1 September 2025 +0–0=2 -11.7
HSB competitie 2025-2026 HSB beker 2025-2026 Hoofdklasse Feb2026 Monday 1 September 2025 +0–0=2 -2.0
HSB competitie 2025-2026 DecemberJanuari Comp 2526 Monday 1 September 2025 +1–0=0 +8.6
HSB competitie 2025-2026 November comp Monday 1 September 2025 +1–0=0 +4.5
NHSB-competitie 2025-2026 Klasse 2A t/m 09-11-2025 Monday 1 September 2025 +1–0=0 +4.9
HSB competitie 2025-2026 November beker H Monday 1 September 2025 +0–0=1 +0.6
HSB competitie 2025-2026 October 2025 Monday 1 September 2025 +0–0=1 -0.7
NHSB-competitie 2025-2026 Klasse 2A t/m 12-10-2025 Monday 1 September 2025 +1–0=0 +4.1
HSB competitie 2025-2026 September 2025 Monday 1 September 2025 +0–0=1 -1.6
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +11.5
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–1=0 -11.7
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +0–0=1 -2.8
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +0–1=0 -14.4
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–0=1 +3.9
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +0–0=1 +0.5
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +0–1=0 -12.7
NHSB-competitie 2024-2025 Klasse 1A t/m 29-03-2025 Sunday 1 September 2024 +1–0=0 +9.6
NHSB-competitie 2024-2025 Klasse 1A t/m 16-02-2025 Sunday 1 September 2024 +1–0=0 +8.7
HSB competitie 2024-2025 CompFeb2025 Sunday 1 September 2024 +1–0=0 +12.0
HSB competitie 2024-2025 CompDecember2024 Sunday 1 September 2024 +0–1=0 -3.3
HSB competitie 2024-2025 CompNovember2024 Sunday 1 September 2024 +0–1=0 -9.1
HSB competitie 2024-2025 BekerHoofdklasseDecember Sunday 1 September 2024 +1–0=0 +6.1
HSB competitie 2024-2025 Groep A Sunday 1 September 2024 +0–0=1 -5.5
Snelschaak (tijdens NK 2024) Wednesday 10 July 2024 +4–4=1 -49.9
HSB competitie 2023-2024 Competitie maart Monday 18 September 2023 +1–0=0 +7.3
HSB competitie 2023-2024 HSB Competitie 2023-2024 Januari en Februari Monday 18 September 2023 +0–0=1 -3.8
HSB competitie 2023-2024 December 2023 Monday 18 September 2023 +1–0=0 +3.2
HSB competitie 2023-2024 Hoofd en 2A ronde 3 Monday 18 September 2023 +1–0=0 +9.7
HSB competitie 2023-2024 competitie ronde Monday 18 September 2023 +0–0=1 -0.7
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +0–0=1 -3.1
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–1=0 -10.9
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +0–0=1 -6.0
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +1–0=0 +12.5
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +1–0=0 +15.9
KNSB competitie 2023-2024 Klasse 2 ronde 3 Saturday 16 September 2023 +0–0=1 +1.1
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +0–0=1 -0.1
NHSB-competitie 2023-2024 Klasse 2A t/m 26-03-2024 Friday 1 September 2023 +1–0=0 +2.2
NHSB-competitie 2023-2024 Klasse 2A t/m 23-02-2024 Friday 1 September 2023 +0–0=1 -8.7
NHSB-competitie 2023-2024 Klasse 2A t/m 26-12-2023 Friday 1 September 2023 +1–0=0 +2.5
KNSB competitie 2022-2023 Klasse 2 ronde 8 Saturday 17 September 2022 +1–0=0 +13.1
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +0–0=1 -2.8
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +0–0=1 -0.2
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +0–0=1 +2.7
NHSB-competitie 2022-2023 Klasse 1A t/m maart Thursday 1 September 2022 +0–0=2 -3.6
NHSB-competitie 2022-2023 Klasse 1A t/m februari Thursday 1 September 2022 +0–0=1 -5.6
NHSB-competitie 2022-2023 Klasse 1A t/m december Thursday 1 September 2022 +0–0=1 -5.1
HSB competitie 2022-2023 HSB competitie 2022-2023 ronde 6 en 7 Monday 29 August 2022 +0–0=1 -7.4
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 5 Monday 29 August 2022 +0–1=0 -21.1
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 4 Monday 29 August 2022 +2–0=0 +7.4

Rating History

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Peak Ratings

Classic 2147 Jan. 1, 2024
Rapid 2128 March 1, 2026
Blitz 2074 Oct. 1, 2024

Games

Wins 31
Losses 13
Draws 35
Win Rate 39%

Performance by Color

Color Wins Draws Losses Win Rate
White 15 20 8 35%
Black 16 15 5 44%

Recent Matches

Hofland, J. (Jeffrey) (1830) Tuesday 21 April 2026 WIN +3.5
Kamps, R. (Ronald) (1656) Saturday 11 April 2026 WIN +1.2
Clercq le, M. (Maxim) (2099) Saturday 28 March 2026 DRAW -1.0
Pasti, F. (Fabio) (1966) Saturday 14 March 2026 WIN +6.7
Brink van den, P. (Peter) (2157) Saturday 7 March 2026 LOSS -10.9
Taverne, N. (Nadeem) (1848) Monday 2 March 2026 WIN +3.9
Gallego, O. (Oscar) (1749) Saturday 14 February 2026 WIN +2.1
Gallego, O. (Oscar) (1749) Saturday 14 February 2026 WIN +2.1
Lee, J.B. (Jungbin) (1939) Monday 9 February 2026 DRAW -5.9
Lee, J.B. (Jungbin) (1939) Monday 9 February 2026 DRAW -5.9
Canoy, M. (Marcel) (2148) Saturday 7 February 2026 DRAW +0.5
Canoy, M. (Marcel) (2148) Saturday 7 February 2026 DRAW +0.5
Zoun, R.P.C. (Rogier) (2083) Thursday 29 January 2026 DRAW -1.0
Zoun, R.P.C. (Rogier) (2083) Thursday 29 January 2026 DRAW -1.0
Janse, J.J. (Jan Jaap) (2171) Wednesday 21 January 2026 DRAW +2.0
Manukonda Arun (2081) Tuesday 20 January 2026 WIN +11.1
Wiarda, S.M. (Sjoerd) (2024) Monday 19 January 2026 DRAW -3.0
Werf van der, J. (Joël) (2184) Saturday 13 December 2025 LOSS -9.9
Hylarides, C.R. (Charlie Ronald) (2021) Wednesday 10 December 2025 WIN +8.6
Blok, R.A. (Ronald) (1857) Monday 10 November 2025 WIN +4.5