KNSB FIDE
CI

Cees IJzermans

Rated since January 2023

2156 Classic
2156 Rapid
2214 Blitz

RIVALRY

Nemesis
Werf van der, J. (Joël)
Games: 3 · Win rate: 33%

The good & the bad

Best wins
RITZERVELD, N. (NOAH) (FM) 2221
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
GIJSEN, W. (WILLIAM) 2213
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
HOVENGA, A. (ALJE) 2209
8281 Tata Steel Chess Tournament 2025 Tienkampen · Friday 24 January 2025
WERF VAN DER, J. (JOËL) 2204
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
VELDEN VAN DER, A.J.L. (BRAM) (CM) 2202
8281 Tata Steel Chess Tournament 2025 Tienkampen · Tuesday 28 January 2025
Worst losses
MIGALKO, DMITRIY 1507
PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open · Thursday 22 June 2023
TEIANU, M. (MAXIM) 1917
NK-Snelschaken 2024 · Saturday 14 September 2024
WIT DE, C. (COR) 1954
NK-Snelschaken 2024 · Saturday 14 September 2024
PATHAK, R. (RAGHAV) 1963
NK-Snelschaken 2024 · Saturday 14 September 2024
SCHRÖER, M.J. (MARCEL) 2024
NK-Snelschaken 2024 · Saturday 14 September 2024
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +3–2=2 +3.7
NK Snelschaken 2025 Groep A Saturday 13 September 2025 +16–7=3 +102.9
10e Goirle Weekend Kampioenschap Groep A Friday 22 August 2025 +2–1=3 -3.0
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +4–2=3 +25.4
NK-Snelschaken 2024 Saturday 14 September 2024 +13–10=2 -43.5
PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open Thursday 22 June 2023 +4–3=1 -11.3
NBSB Avondcompetitie 2025-2026 Ronde 3 Monday 22 September 2025 +0–0=1 -6.7
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +1–0=0 +5.0
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +1–0=0 +4.6
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–0=1 -8.4
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +1–0=0 +1.3
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +1–0=0 +8.0
NBSB Avondcompetitie 2024-2025 Ronde 7 Monday 30 September 2024 +0–0=1 -5.2
NBSB Avondcompetitie 2024-2025 Ronde 6 Monday 30 September 2024 +1–0=0 +4.4
NBSB Avondcompetitie 2024-2025 Ronde 3 Monday 30 September 2024 +0–1=0 -12.1
NBSB Avondcompetitie 2024-2025 Ronde 1 Monday 30 September 2024 +1–0=0 +5.7
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +0–0=1 -1.9
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +1–0=0 +11.2
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +0–1=0 -5.7
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +1–0=0 +5.2
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–1=0 -15.0
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–1=0 -11.3
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +1–0=0 +9.4
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +1–0=0 +11.3
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–1=0 -11.4
Snelschaak Teams (tijdens NK 2024) Saturday 13 July 2024 +12–4=1 +2.5
NBSB Competitie 2023/2024 2e helft Groep A Sunday 24 December 2023 +0–0=1 -4.6
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +0–0=1 +0.8
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +0–0=1 +1.0
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–0=1 -4.8
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +0–0=1 +4.9
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +1–0=0 +6.2
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +1–0=0 +6.3
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +0–0=1 -2.0
NBSB competitie 2023/2024 Groep A Friday 1 September 2023 +2–0=0 +8.2
NBSB competitie 2023 Groep A Sunday 1 January 2023 +0–0=1 -3.9
KNSB competitie 2022-2023 Beker ronde 5 Saturday 17 September 2022 +0–1=0 -6.5
KNSB competitie 2022-2023 Beker ronde 4 Saturday 17 September 2022 +1–0=0 +11.1
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +1–0=0 +3.3
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +1–0=0 +7.3
KNSB competitie 2022-2023 Beker ronde 3 Saturday 17 September 2022 +0–1=0 -14.3
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +1–0=0 +7.4
NBSB Competitie Groep A Wednesday 14 September 2022 +3–0=0 +27.0

Team Competition

Current teams
Bergen op Zoom 1
Klasse 4G · 2025-2026 · 5 games
KiNG A
Avond Hoofdklasse · 2025-2026 · 1 game
Past teams
KiNG 1
Klasse 2C · 2024-2025
KiNG A
Avond Hoofdklasse · 2024-2025
KiNG 1
Klasse 2D · 2023-2024
KiNG A
Avond Hoofdklasse · 2023-2024
KiNG B
Avond Hoofdklasse · 2023-2024
KiNG 1
Klasse 2D · 2022-2023
KiNG A
Avond Hoofdklasse · 2022-2023
KiNG 1
Klasse 3G · 2021-2022
SG King A
Avond Hoofdklasse · 2021-2022
SG King D
Avond 2A · 2021-2022
KiNG A
Avond Hoofd · 2019-2020
KiNG A
Avond Hoofd · 2018-2019
De Pion A
Avond Hoofd · 2017-2018

Rating History

Loading rating history...

Peak Ratings

Classic 2157 Nov. 1, 2025
Rapid 2156 March 1, 2026
Blitz 2214 Oct. 1, 2025

Games

Wins 75
Losses 36
Draws 26
Win Rate 55%

Performance by Color

Color Wins Draws Losses Win Rate
White 35 12 21 51%
Black 40 14 15 58%

Recent Matches

Werf van der, J. (Joël) (2202) Friday 30 January 2026 DRAW +1.6
WFM Stefan, Iulia-Cristiana (2128) Wednesday 28 January 2026 WIN +10.5
Beukema, C.R.A. (Constantijn) (2040) Tuesday 27 January 2026 WIN +7.8
Oosterlaken, E. (Ed) (2081) Monday 26 January 2026 LOSS -13.4
CM Lagemaat van de, A.G. (Arend) (2104) Sunday 25 January 2026 LOSS -12.7
Stap, C.R.M. (Kees) (2092) Saturday 24 January 2026 DRAW -1.9
Guillaumond, M. (Matthieu) (2173) Friday 23 January 2026 WIN +11.9
Canedo jr., J.M. (Jesus) (1929) Saturday 13 December 2025 WIN +5.0
Havermans, J. (Jorrit) (1926) Saturday 22 November 2025 WIN +4.6
Opstal van, T. (Thijs) (1915) Friday 14 November 2025 DRAW -6.7
Flikweert, H. (Henry) (1821) Saturday 1 November 2025 DRAW -8.4
Pals, D. (Daan) (1706) Saturday 4 October 2025 WIN +1.3
Versporten, W. (Wim) (2042) Saturday 20 September 2025 WIN +8.0
FM Smeets, K. (Kobe) (2346) Saturday 13 September 2025 LOSS -5.0
FM Wissen van, M.E. (Michiel) (2213) Saturday 13 September 2025 DRAW +3.4
Gijsen, W. (William) (2213) Saturday 13 September 2025 WIN +15.6
FM Kurt, S. (Sascha) (2117) Saturday 13 September 2025 WIN +12.4
CM Dinanath, H. (Hrdya) (2112) Saturday 13 September 2025 WIN +12.3
Meulmeester, L. (Luuk) (1977) Saturday 13 September 2025 WIN +7.8
FM Ritzerveld, N. (Noah) (2221) Saturday 13 September 2025 WIN +15.9