JN

Jonah Nieuwenhuis

Rated since November 2023

1058 Classic
1497 Rapid

RIVALRY

Nemesis
Dam ten, T. (Thijs)
Games: 3 · Win rate: 67%
Kryptonite
Mulder, S. (Sven)
Games: 3 · Win rate: 0%
Easy Target
Koolaard, L. (Lieke)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
DAM TEN, T. (THIJS) 1642
13890 NOSBO PJK 2026 JCC D · Sunday 31 May 2026
KERCKHAERT, P. (PIJKE) 1609
10718 KNSB-Jeugdclubcompetitie D halve finales Groep A · Saturday 8 November 2025
KOC, B.U. (BARIS UZAY) 1573
13965 NK voor schoolteams BO algemeen, halve finales HF Almere · Saturday 13 June 2026
MEDENDORP, D. (DANIËL) 1456
11875 GP Haren Groep A · Saturday 13 September 2025
GOOSSENS, K. (KAMIEL) 1446
13811 GP Oldenkamp 2026 Groep A · Saturday 9 May 2026
Worst losses
KOOI VAN DER, D. (DANIËL) 461
8350 GP Henny Collignon 2024 Groep A · Saturday 27 January 2024
KAPTEIN, V. (VALENTIJN) 483
8350 GP Henny Collignon 2024 Groep A · Saturday 27 January 2024
KUIPERS, T. (TIMO) 485
8449 GP Assen Groep A · Sunday 18 February 2024
SCHULS, N. (NILS) 537
8449 GP Assen Groep A · Sunday 18 February 2024
BOSGRAAF, M. (MATHIJS) 561
8449 GP Assen Groep A · Sunday 18 February 2024
GP Chessfestival Groningen, 2023 Thursday 28 December 2023 +0–7=0 -440.7
NK voor schoolteams BO algemeen, halve finales HF Almere Saturday 13 June 2026 +5–1=0 +29.5
GP Oldenkamp 2026 Groep A Saturday 9 May 2026 +3–3=1 -46.2
GP Hennie Collignon 2026 Groep A Saturday 31 January 2026 +4–2=1 +41.4
NOSBO PJK 2026 JCC D Thursday 1 January 2026 +3–2=2 +2.7
KNSB-Jeugdclubcompetitie D halve finales Groep A Saturday 8 November 2025 +1–4=1 -3.4
GP Haren Groep A Saturday 13 September 2025 +1–5=0 -55.3
GP Hoogeveen 2025 Groep A Saturday 17 May 2025 +5–2=0 +67.3
GP Emmen 2025 Groep A Saturday 15 March 2025 +5–1=0 +72.8
NOSBO PJK 2025 PJK D Saturday 11 January 2025 +3–4=0 -9.6
NOSBO JCC JCC D Wednesday 1 January 2025 +3–2=1 +30.7
KNSB-Jeugdclubcompetitie Finale E Groep A Saturday 16 November 2024 +1–5=0 -83.7
GP Ten Boer 2024 Groep A Saturday 2 November 2024 +2–4=0 -31.1
GP Leek/Roden 2024 Groep A Saturday 12 October 2024 +5–1=1 +73.6
KNSB-Jeugdclubcompetitie halve finale E Groep A Saturday 28 September 2024 +5–2=0 +50.8
GP Bob Romijn Haren 2024 Groep A Saturday 1 June 2024 +3–3=1 +9.8
GP Jan Oldenkamp 2024 Groep A Saturday 18 May 2024 +6–1=0 +50.8
GP Emmen 2024 Groep A Saturday 16 March 2024 +4–3=0 -38.1
GP Assen Groep A Sunday 18 February 2024 +4–3=0 +19.0
GP Henny Collignon 2024 Groep A Saturday 27 January 2024 +5–2=0 +91.2
GP Leek-Roden Groep A Saturday 7 October 2023 +6–0=0 +46.1

Rating History

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Peak Ratings

Classic 1058 July 1, 2024
Rapid 1497 Aug. 1, 2026

Games

Wins 74
Losses 57
Draws 8
Win Rate 53%

Performance by Color

Color Wins Draws Losses Win Rate
White 40 5 27 56%
Black 34 3 30 51%

Recent Matches

Wijnsma, D. (Doutzen) (1225) Saturday 13 June 2026 LOSS -31.2
Lam, Q. (Qinzhi) (1014) Saturday 13 June 2026 WIN +2.6
Kats, V. (Vincent) (1198) Saturday 13 June 2026 WIN +7.8
Gupta, N. (Nibhish) (1244) Saturday 13 June 2026 WIN +9.6
Koc, B.U. (Baris Uzay) (1573) Saturday 13 June 2026 WIN +26.9
Raman, R. (Ishan) (1330) Saturday 13 June 2026 WIN +13.8
Urban, T. (Tobias) (1647) Sunday 31 May 2026 DRAW +8.8
Aydinli, E. (Edin) (1705) Sunday 31 May 2026 LOSS -8.7
Botter, J. (Jeroen) (1526) Sunday 31 May 2026 LOSS -17.5
Battenberg, S. (Shanne) (1096) Sunday 31 May 2026 WIN +3.6
Dam ten, T. (Thijs) (1642) Sunday 31 May 2026 WIN +28.5
Hacohen, A. (Adam) (1199) Sunday 31 May 2026 DRAW -13.5
Haijer, M.E.R. (Maurits) (972) Sunday 31 May 2026 WIN +1.5
Boerdam, J.P. (Jurre) (1283) Saturday 9 May 2026 WIN +9.8
Medendorp, D. (Daniël) (1344) Saturday 9 May 2026 LOSS -27.4
Hoogendoorn, S. (Sepp) (1347) Saturday 9 May 2026 LOSS -27.2
Roessel van, K. (Kian) (1446) Saturday 9 May 2026 DRAW -2.0
Goossens, K. (Kamiel) (1446) Saturday 9 May 2026 WIN +18.1
Vliet van der, J.T. (Job) (1372) Saturday 9 May 2026 LOSS -25.9
Kuipers, T. (Timo) (1251) Saturday 9 May 2026 WIN +8.4