KNSB FIDE
JN

Jeroen Nouwens

Rated since January 2023

1839 Classic
1839 Rapid
1839 Blitz

RIVALRY

Nemesis
Dijk van, B. (Bob)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
MAAT VAN DER, N. (NIEK) 1926
10861 LeiSB competitie 2024-2025 1e 23-2 25-3 · Wednesday 19 March 2025
BOUWMEESTER, T.N.J. (DENNIS) 1901
12850 LeiSB regionale competitie 25-26 1e klasse januari 2026 · Tuesday 6 January 2026
MUSKENS, M.A. (MINK) 1900
12735 2026 Chess.com Botwinnik Open Groep B · Sunday 4 January 2026
BEY, J.J. (JAN) 1882
9913 LeiSB competitie 2024-2025 1e 25-11-16-12 · Wednesday 11 December 2024
HOVING, J. (JULIAN) 1876
12735 2026 Chess.com Botwinnik Open Groep B · Sunday 4 January 2026
Worst losses
BUTTER DEN, B.C. (CHRISTIAN) 1280
6969 KNSB competitie 2022-2023 Klasse 6 ronde 7 · Saturday 1 April 2023
GARAY, E. (ENZO) 1795
10073 KNSB competitie 2024-2025 Klasse 6 ronde 4 · Saturday 14 December 2024
JOHN, R. (RYAN) 1801
13120 85e Daniel Noteboomtoernooi Groep B · Sunday 22 February 2026
BRINK, J.A. (JAN) 1850
12993 KNSB competitie 2025-2026 Klasse 6 ronde 6 · Saturday 7 February 2026
VERHOEFF, T.J. (TIMARDI) 1852
9738 Regionale competitie Leidse Schaakbond 2024-2025 1 · Wednesday 23 October 2024
85e Daniel Noteboomtoernooi Groep B Friday 20 February 2026 +2–3=1 -10.8
2026 Chess.com Botwinnik Open Groep B Friday 2 January 2026 +4–2=0 +35.3
LeiSB regionale competitie 25-26 1e klasse maart Wednesday 1 October 2025 +0–1=0 -9.2
LeiSB regionale competitie 25-26 1e klasse januari 2026 Wednesday 1 October 2025 +1–0=0 +15.2
LeiSB regionale competitie 25-26 1e klasse december Wednesday 1 October 2025 +1–1=0 +3.3
LeiSB regionale competitie 25-26 1e klasse oktober Wednesday 1 October 2025 +0–1=0 -12.1
KNSB competitie 2025-2026 Klasse 2 ronde 8 Saturday 20 September 2025 +0–1=0 -1.7
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–1=0 -13.3
KNSB competitie 2025-2026 Klasse 2 ronde 5 Saturday 20 September 2025 +0–1=0 -9.8
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +0–1=0 -8.0
KNSB competitie 2025-2026 Klasse 2 ronde 3 Saturday 20 September 2025 +0–1=0 -3.5
KNSB competitie 2025-2026 Klasse 2 ronde 2 Saturday 20 September 2025 +0–1=0 -7.3
84e Noteboomtoernooi Groep B Friday 21 February 2025 +1–2=3 +3.2
LeiSB competitie 2024-2025 1e 26-3 25-4 Monday 7 October 2024 +1–0=0 +12.4
LeiSB competitie 2024-2025 1e 23-2 25-3 Monday 7 October 2024 +1–0=0 +16.4
LeiSB competitie 2024-2025 1e 23-1 22-1 Monday 7 October 2024 +0–1=0 -9.6
LeiSB competitie 2024-2025 1e 19-12 22-1 Monday 7 October 2024 +0–1=0 -10.3
LeiSB competitie 2024-2025 1e 25-11-16-12 Monday 7 October 2024 +1–0=0 +16.1
LeiSB competitie 2024-2025 1 28-10-24-11 Monday 7 October 2024 +1–0=0 +16.9
Regionale competitie Leidse Schaakbond 2024-2025 1 Monday 7 October 2024 +0–1=0 -11.9
KNSB competitie 2024-2025 Klasse 6 ronde 7 Saturday 21 September 2024 +1–0=0 +11.3
KNSB competitie 2024-2025 Klasse 6 ronde 6 Saturday 21 September 2024 +1–0=0 +10.3
KNSB competitie 2024-2025 Klasse 6 ronde 5 Saturday 21 September 2024 +1–0=0 +9.2
KNSB competitie 2024-2025 Klasse 6 ronde 4 Saturday 21 September 2024 +0–1=0 -6.9
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–0=1 +5.4
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +0–1=0 -5.7
KNSB competitie 2024-2025 Klasse 6 ronde 1 Saturday 21 September 2024 +1–0=0 +5.0
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-04 Sunday 8 October 2023 +0–0=1 +2.6
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-03 Sunday 8 October 2023 +2–0=0 +23.0
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse Sunday 8 October 2023 +1–0=0 +24.0
KNSB competitie 2023-2024 Klasse 6 ronde 7 Saturday 16 September 2023 +1–0=0 +11.6
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–1=0 -1.3
KNSB competitie 2023-2024 Klasse 6 ronde 5 Saturday 16 September 2023 +1–0=0 +11.0
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +0–1=0 -1.0
KNSB competitie 2023-2024 Klasse 6 ronde 3 Saturday 16 September 2023 +1–0=0 +14.1
KNSB competitie 2023-2024 Klasse 6 ronde 2 Saturday 16 September 2023 +1–0=0 +19.2
KNSB competitie 2023-2024 Klasse 6 ronde 1 Saturday 16 September 2023 +0–0=1 -6.2
Regionale competitie LeiSB 2022-2023 1e Klasse mei 2023 Saturday 1 October 2022 +1–0=0 +20.7
Regionale competitie LeiSB 2022-2023 1e Klasse april 2023 Saturday 1 October 2022 +1–0=0
Regionale competitie LeiSB 2022-2023 1e Klasse maart 2023 Saturday 1 October 2022 +1–0=0 +28.6
Regionale competitie LeiSB 2022-2023 1e Klasse februari Saturday 1 October 2022 +0–0=1 +11.8
KNSB competitie 2022-2023 Klasse 6 ronde 7 Saturday 17 September 2022 +0–1=0 -25.9
KNSB competitie 2022-2023 Klasse 6 ronde 6 Saturday 17 September 2022 +1–0=0 +11.1
KNSB competitie 2022-2023 Klasse 6 ronde 5 Saturday 17 September 2022 +0–0=1 -12.1
KNSB competitie 2022-2023 Klasse 6 ronde 3 Saturday 17 September 2022 +1–0=0 +9.0
Tournament 20240510024 +0–1=0 -8.3
Tournament 20231210513 +2–0=0 +38.1

Rating History

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Peak Ratings

Classic 1874 Feb. 1, 2026
Rapid 1850 March 1, 2026
Blitz 1850 March 1, 2026

Games

Wins 31
Losses 25
Draws 9
Win Rate 48%

Performance by Color

Color Wins Draws Losses Win Rate
White 17 3 10 57%
Black 14 6 15 40%

Recent Matches

Bruinen, E. (Ed) (1945) Wednesday 11 March 2026 LOSS -9.2
FM Koster, L.D. (Leon) (2275) Saturday 7 March 2026 LOSS -1.7
John, R. (Ryan) (1801) Sunday 22 February 2026 LOSS -7.5
Freytas de, P.L. (Paul) (1912) Sunday 22 February 2026 LOSS -11.2
Tjin a Lien, I.T.L. (Ike) (1789) Saturday 21 February 2026 WIN +9.6
Wit de, J. (Jim) (1786) Saturday 21 February 2026 WIN +9.5
Belle, A. (Arthur) (1970) Friday 20 February 2026 LOSS -9.2
Smeets, B. (Bent) (1760) Friday 20 February 2026 DRAW -1.9
Brink, J.A. (Jan) (1850) Saturday 7 February 2026 LOSS -13.3
Bouwmeester, T.N.J. (Dennis) (1901) Tuesday 6 January 2026 WIN +15.2
Muskens, M.A. (Mink) (1900) Sunday 4 January 2026 WIN +15.1
Hoving, J. (Julian) (1876) Sunday 4 January 2026 WIN +14.3
Reemst, M. (Marnix) (1862) Saturday 3 January 2026 WIN +13.8
Velde van de, W.J.C. (Wilco) (1744) Saturday 3 January 2026 WIN +9.7
Doel van den, F.W.T. (Floris) (1935) Friday 2 January 2026 LOSS -8.7
Kakrana, R. (Reyansh) (1928) Friday 2 January 2026 LOSS -9.0
Ouwerkerk, J. (Jos) (1938) Tuesday 16 December 2025 LOSS -8.9
Ouwens, H.C. (Bert) (1908) Saturday 13 December 2025 LOSS -9.8
Bey, J.J. (Jan) (1832) Wednesday 26 November 2025 WIN +12.2
Siega, M.F. (Michael) (1977) Saturday 22 November 2025 LOSS -8.0