JT

Jan Willem Timmerman

Rated since January 2023

2149 Classic
2156 Rapid

RIVALRY

Nemesis
Games: 6 · Win rate: 50%
Kryptonite
Games: 4 · Win rate: 25%
Easy Target
Games: 9 · Win rate: 100%

The good & the bad

Best wins
9341 Open NK Schaken 2024 Vierkampen · 2024-07-30
11877 S.V. Almelo interne competitie 05-09-2025 t/m 19-09-2025 (030001) · 2025-09-05
6192 SBO Cup 2022/2023 Achtste Finale · 2022-12-06
11116 Rijssen interne Competitie 2024-2025 Deel 4 Ronde 21-29 · 2025-04-24
8532 SBO Cup 2023/2024 Kwartfinale · 2024-02-19
Worst losses
7964 SBO Viertallencompetitie 2023/2024 November 2023 · 2023-11-16
8099 SOS Competitie 2023/2024 Februari 2024 · 2024-02-09
5831 SBO Viertallencompetitie 2022/2023 Februari 2023 · 2023-02-21
7606 SOS Competitie 2023/2024 December 2023 · 2023-11-28
8895 SOS Competitie 2023/2024 Juni 2024 · 2024-05-31
No FIDE-rated tournaments found.
SBO Cup 2025/2026 Kwartfinale Wed, Oct 1, 2025 +01=0 -10.5
KNSB competitie 2025-2026 Klasse 2 ronde 1 Sat, Sep 20, 2025 +00=1 -0.6
SOS competitie 2025/2026 Lijst 1 jan Mon, Sep 1, 2025 +10=0 +2.8
SOS competitie 2025/2026 Lijst 1 Nov Mon, Sep 1, 2025 +10=0 +3.2
SVA Rapid 2025 Groep A Fri, Feb 7, 2025 +21=0 -4.3
KNSB competitie 2024-2025 Klasse 2 ronde 9 Sat, Sep 21, 2024 +10=0 +5.8
KNSB competitie 2024-2025 Klasse 2 ronde 8 Sat, Sep 21, 2024 +10=0 +5.5
KNSB competitie 2024-2025 Klasse 2 ronde 6 Sat, Sep 21, 2024 +01=0 -8.2
KNSB competitie 2024-2025 Klasse 2 ronde 5 Sat, Sep 21, 2024 +10=0 +7.2
KNSB competitie 2024-2025 Klasse 2 ronde 3 Sat, Sep 21, 2024 +01=0 -12.5
KNSB competitie 2024-2025 Klasse 2 ronde 1 Sat, Sep 21, 2024 +01=0 -10.2
Open NK Schaken 2024 Vierkampen Mon, Jul 22, 2024 +10=1 +18.0
14e Karel Kuip Vierkampen Groep A Fri, May 3, 2024 +00=1 +2.8
SBO Cup 2023/2024 Kwartfinale Mon, Oct 30, 2023 +10=0 +12.9
SBO Viertallencompetitie 2023/2024 Januari 2024 Mon, Oct 16, 2023 +10=0 +3.3
SBO Viertallencompetitie 2023/2024 November 2023 Mon, Oct 16, 2023 +01=0 -22.6
KNSB competitie 2023-2024 Klasse 2 ronde 9 Sat, Sep 16, 2023 +00=1 -2.6
KNSB competitie 2023-2024 Klasse 2 ronde 8 Sat, Sep 16, 2023 +10=0 +8.4
KNSB competitie 2023-2024 Klasse 2 ronde 7 Sat, Sep 16, 2023 +01=0 -13.3
KNSB competitie 2023-2024 Klasse 2 ronde 4 Sat, Sep 16, 2023 +00=1 -4.3
KNSB competitie 2023-2024 Klasse 2 ronde 3 Sat, Sep 16, 2023 +00=1 -1.7
KNSB competitie 2023-2024 Klasse 2 ronde 2 Sat, Sep 16, 2023 +01=0 -14.2
SOS Competitie 2023/2024 Juni 2024 Fri, Sep 1, 2023 +01=0 -18.8
SOS Competitie 2023/2024 April 2024 Fri, Sep 1, 2023 +10=0 +4.9
SOS Competitie 2023/2024 Maart 2024 Fri, Sep 1, 2023 +01=0 -3.4
SOS Competitie 2023/2024 Februari 2024 Fri, Sep 1, 2023 +01=0 -20.4
SOS Competitie 2023/2024 Januari 2024 Fri, Sep 1, 2023 +10=0 +4.0
SOS Competitie 2023/2024 December 2023 Fri, Sep 1, 2023 +01=0 -19.3
SOS Competitie 2023/2024 November 2023 Fri, Sep 1, 2023 +10=0 +4.5
SOS Competitie 2023/2024 Oktober 2023 Fri, Sep 1, 2023 +10=0 +5.1
SOS Competitie 2023/2024 September 2023 Fri, Sep 1, 2023 +00=1 -1.9
SBO Cup 2022/2023 Halve Finale (2) Sun, Nov 27, 2022 +00=1 -2.5
SBO Cup 2022/2023 Kwartfinale Sun, Nov 27, 2022 +10=0 +3.3
SBO Cup 2022/2023 Achtste Finale Sun, Nov 27, 2022 +10=0 +15.7
SBO Viertallencompetitie 2022/2023 Februari 2023 Mon, Oct 24, 2022 +01=0 -19.5
SBO Viertallencompetitie 2022/2023 Maart 2023 Mon, Oct 24, 2022 +10=0 +0.5
KNSB competitie 2022-2023 Klasse 2 ronde 9 Sat, Sep 17, 2022 +01=0 -7.7
KNSB competitie 2022-2023 Klasse 2 ronde 8 Sat, Sep 17, 2022 +00=1 +5.7
KNSB competitie 2022-2023 Klasse 2 ronde 6 Sat, Sep 17, 2022 +01=0 -12.9
KNSB competitie 2022-2023 Klasse 2 ronde 5 Sat, Sep 17, 2022 +00=1 -0.8
SOS Competitie 2022/2023 Mei Mon, Sep 12, 2022 +10=0 +7.1
SOS Competitie 2022/2023 Maart 2023(K1) Mon, Sep 12, 2022 +01=0 -11.8
SOS Competitie 2022/2023 Januari 2023 Mon, Sep 12, 2022 +00=1 +0.2
SOS Competitie 2022/2023 December 2022 Mon, Sep 12, 2022 +10=0 +0.8

Rating History

Loading rating history...

Peak Ratings

Classic 2184 May 1, 2025
Rapid 2156 July 1, 2025
Blitz 2149 April 1, 2026

Games

Wins 100
Losses 22
Draws 21
Win Rate 70%

Performance by Color

Color Wins Draws Losses Win Rate
White 54 13 13 68%
Black 46 8 9 73%

Recent Matches

Dries op den, J. (Johan) (2174) 2026-01-29 LOSS -10.5
Franssen, A. (Aron) (1539) 2026-01-15 WIN +0.4
Haveman, W.J. (Joost) (1819) 2025-12-04 WIN +2.8
Bos van den, J. (Jokim) (2101) 2025-10-25 LOSS -12.8
Lujan Garcia, R. (Rogelio) (1989) 2025-10-10 LOSS -16.0
Reinders, J. (Joan) (1886) 2025-10-09 WIN +3.2
Kruimer, M.H. (Matthias) (2124) 2025-09-26 DRAW -1.1
Maat van de, G.W. (Wim) (1540) 2025-09-25 WIN +0.3
Cnossen, W.W. (Wiebe) (2139) 2025-09-20 DRAW -0.6
Harmsel ter, G.R. (Remco) (1651) 2025-09-18 WIN +0.8
Mijnheer, P. (Peter) (2153) 2025-09-05 WIN +10.8
Hoekstra, M.S.H. (Max) (2005) 2025-09-04 WIN +6.5
Hoekstra, M.S.H. (Max) (1995) 2025-05-22 LOSS -15.5
Jongh de, B.M. (Benno) (2015) 2025-05-10 WIN +5.8
Kruimer, H.J. (Arjen) (1807) 2025-05-08 WIN +1.9
Mijnheer, P. (Peter) (2091) 2025-05-02 LOSS -13.1
Sarink, E.M. (Edwin) (2040) 2025-04-25 DRAW -3.2
Kruimer, M.H. (Matthias) (2109) 2025-04-24 WIN +10.4
Poelstra, B.M. (Ben) (2001) 2025-04-11 WIN +7.1
Brummelaar, J.L.J. (Lesley) (1719) 2025-04-10 WIN +1.6