KNSB FIDE
JT

Jan Willem Timmerman

Rated since January 2023

2142 Classic
2177 Rapid

RIVALRY

Nemesis
Sarink, E.M. (Edwin)
Games: 6 · Win rate: 50%
Kryptonite
Mijnheer, P. (Peter)
Games: 4 · Win rate: 25%
Easy Target
Vosman, H.A. (Harmen)
Games: 9 · Win rate: 100%

The good & the bad

Best wins
BOULAHFA, H. (HICHAM) 2185
9341 Open NK Schaken 2024 Vierkampen · Tuesday 30 July 2024
MIJNHEER, P. (PETER) 2153
11877 S.V. Almelo interne competitie 05-09-2025 t/m 19-09-2025 (030001) · Friday 5 September 2025
MULLINK, J.M. (JOCHEM) 2148
6192 SBO Cup 2022/2023 Achtste Finale · Tuesday 6 December 2022
KRUIMER, M.H. (MATTHIAS) 2109
11116 Rijssen interne Competitie 2024-2025 Deel 4 Ronde 21-29 · Thursday 24 April 2025
RENDERS, R. (RENÉ) 2103
12777 SOS competitie 2025/2026 Lijst 1 mei · Thursday 23 April 2026
Worst losses
NIES, L.W. (LEVI) 1725
7964 SBO Viertallencompetitie 2023/2024 November 2023 · Thursday 16 November 2023
REINDERS, J. (JOAN) 1825
8099 SOS Competitie 2023/2024 Februari 2024 · Friday 9 February 2024
HARBERS, G.J.M. (GERARD) 1880
5831 SBO Viertallencompetitie 2022/2023 Februari 2023 · Tuesday 21 February 2023
BARENDREGT, J.N.M. (JOS) 1884
7606 SOS Competitie 2023/2024 December 2023 · Tuesday 28 November 2023
DEKKER, E. (ERIK) 1900
8895 SOS Competitie 2023/2024 Juni 2024 · Friday 31 May 2024
No FIDE-rated tournaments found.
S.V. Almelo interne competitie 27-03-2026 t/m 24-04-2026 (030001) Friday 27 March 2026 +0–1=0 -16.5
SVA Rapid 2026 Groep A Friday 13 March 2026 +3–0=0 +21.0
S.V. Almelo interne competitie 27-02-2026 t/m 21-03-2026 (030001) Friday 27 February 2026 +1–0=0 +1.8
SBO Cup 2025/2026 Kwartfinale Wednesday 1 October 2025 +0–2=0 -21.0
S.V. Almelo interne competitie 26-09-2025 t/m 24-10-2025 (030001) Friday 26 September 2025 +0–1=1 -17.1
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +0–0=1 -4.2
KNSB competitie 2025-2026 Klasse 2 ronde 8 Saturday 20 September 2025 +1–0=0 +3.5
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor november rating Saturday 20 September 2025 +0–1=0 -12.8
KNSB competitie 2025-2026 Klasse 2 ronde 1 Saturday 20 September 2025 +0–0=1 -0.6
S.V. Almelo interne competitie 05-09-2025 t/m 19-09-2025 (030001) Friday 5 September 2025 +1–0=0 +10.8
Rijssen interne Competitie 2025-2026 Deel 4 Ronde 18-24 Thursday 4 September 2025 +3–0=0 +3.4
Rijssen interne Competitie 2025-2026 Deel 3 ronde 12-17 Thursday 4 September 2025 +1–0=0 +0.4
Rijssen interne Competitie 2025-2026 Deel Ronde 1-4 Thursday 4 September 2025 +3–0=0 +7.6
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +1–0=0 +9.8
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +1–0=0 +1.7
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +1–0=0 +2.8
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +1–0=0 +3.2
S.V. Almelo interne competitie 25-04-2025 t/m 23-05-2025 (030001) Friday 25 April 2025 +0–1=1 -16.3
S.V. Almelo interne competitie 28-03-2025 t/m 11-04-2025 (030001) Friday 28 March 2025 +1–0=0 +7.1
SVA Rapid 2025 Groep A Friday 7 February 2025 +2–1=0 -4.3
S.V. Almelo interne competitie 29-11-2024 t/m 24-01-2025 (030001) Friday 29 November 2024 +1–0=0 +7.1
S.V. Almelo interne competitie 27-09-2024 t/m 22-11-2024 (030001) Friday 27 September 2024 +2–0=1 +6.2
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +5.8
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +1–0=0 +5.5
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +0–1=0 -8.2
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +1–0=0 +7.2
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +0–1=0 -12.5
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–1=0 -10.2
S.V. Almelo interne competitie 06-09-2024 t/m 20-09-2024 (030001) Friday 6 September 2024 +0–1=0 -13.9
Rijssen interne Competitie 2024-2025 Deel 5 Ronde 30-32 Thursday 5 September 2024 +1–1=0 -13.6
Rijssen interne Competitie 2024-2025 Deel 4 Ronde 21-29 Thursday 5 September 2024 +7–0=0 +29.4
Rijssen interne Competitie 2024-2025 Deel 3 Ronde 16-20 Thursday 5 September 2024 +2–0=1 -4.3
Rijssen interne Competitie 2024-2025 Deel 2 Ronde 9-15 Thursday 5 September 2024 +5–0=0 +23.1
Rijssen interne Competitie 2024-2025 Deel 1 Ronde 1-8 Thursday 5 September 2024 +7–0=0 +37.8
Open NK Schaken 2024 Vierkampen Monday 22 July 2024 +1–0=1 +18.0
S.V. Almelo interne competitie 31-05-2024 t/m 21-06-2024 (030001) Friday 31 May 2024 +1–0=0 +8.3
14e Karel Kuip Vierkampen Groep A Friday 3 May 2024 +0–0=1 +2.8
S.V. Almelo interne competitie 26-04-2024 t/m 24-05-2024 (030001) Friday 26 April 2024 +1–0=0 +7.4
S.V. Almelo interne competitie 01-03-2024 t/m 12-04-2024 (030001) Thursday 29 February 2024 +2–0=0 +21.0
S.V. Almelo interne competitie 12-01-2024 t/m 19-01-2024 (030001) Friday 5 January 2024 +0–0=1 +0.5
S.V. Almelo interne competitie 01-12-2023 t/m 22-12-2023 (030001) Friday 1 December 2023 +1–0=0 +6.5
SBO Cup 2023/2024 Kwartfinale Monday 30 October 2023 +1–0=0 +12.9
SBO Cup 2023/2024 Achtste finale (uiterlijk 22 december) Monday 30 October 2023 +1–0=0 +8.8
SBO Viertallencompetitie 2023/2024 Ronde 5 (B deels), Ronde 6 (G deels) Monday 16 October 2023 +0–1=0 -15.0
SBO Viertallencompetitie 2023/2024 Ronde 3 B, Ronde 4 (A, B deels, C-G),... Monday 16 October 2023 +1–0=1 +1.4
SBO Viertallencompetitie 2023/2024 Januari 2024 Monday 16 October 2023 +1–0=0 +3.3
SBO Viertallencompetitie 2023/2024 November 2023 Monday 16 October 2023 +0–1=0 -22.6
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +0–0=1 -2.6
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +1–0=0 +8.4
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–1=0 -13.3
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +0–0=1 -4.3
KNSB competitie 2023-2024 Klasse 2 ronde 3 Saturday 16 September 2023 +0–0=1 -1.7
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +0–1=0 -14.2
S.C.Rijssen interne competitie 22-02-2024 t/m 30-05-2024 (030025) Thursday 7 September 2023 +3–0=0 +13.9
S.C.Rijssen interne competitie 30-11-2023 t/m 15-02-2024 (030025) Thursday 7 September 2023 +3–0=1 +4.1
S.C.Rijssen interne competitie 07-09-2023 t/m 16-11-2023 (030025) Thursday 7 September 2023 +5–0=1 +3.8
SOS Competitie 2023/2024 Juni 2024 Friday 1 September 2023 +0–1=0 -18.8
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +1–0=0 +4.9
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +0–1=0 -3.4
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +0–1=0 -20.4
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +1–0=0 +4.0
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +0–1=0 -19.3
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +1–0=0 +4.5
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +1–0=0 +5.1
SOS Competitie 2023/2024 September 2023 Friday 1 September 2023 +0–0=1 -1.9
S.V. Almelo interne competitie 16-06-2023 t/m 23-06-2023 (030001) Friday 16 June 2023 +1–0=0 +9.2
S.V. Almelo interne competitie 05-05-2023 t/m 09-06-2023 (030001) Friday 5 May 2023 +2–0=0 +14.2
S.V. Almelo interne competitie 02-12-2022 t/m 24-02-2023 (030001) Friday 2 December 2022 +2–0=0 +8.4
SBO Cup 2022/2023 Halve Finale (2) Sunday 27 November 2022 +0–0=1 -2.5
SBO Cup 2022/2023 Kwartfinale Sunday 27 November 2022 +1–0=0 +3.3
SBO Cup 2022/2023 Achtste Finale Sunday 27 November 2022 +1–0=0 +15.7
SBO Viertallencompetitie 2022/2023 Februari 2023 Monday 24 October 2022 +0–1=0 -19.5
SBO Viertallencompetitie 2022/2023 Maart 2023 Monday 24 October 2022 +1–0=0 +0.5
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +0–1=0 -7.7
KNSB competitie 2022-2023 Klasse 2 ronde 8 Saturday 17 September 2022 +0–0=1 +5.7
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +0–1=0 -12.9
KNSB competitie 2022-2023 Klasse 2 ronde 5 Saturday 17 September 2022 +0–0=1 -0.8
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +1–0=0 +7.1
SOS Competitie 2022/2023 Maart 2023(K1) Monday 12 September 2022 +0–1=0 -11.8
SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +0–0=1 +0.2
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +1–0=0 +0.8
S.V. Almelo interne competitie 02-09-2022 t/m 25-11-2022 (030001) Friday 2 September 2022 +1–0=1 +5.3
S.C.Rijssen interne competitie 01-09-2022 t/m 25-05-2023 (030025) Thursday 1 September 2022 +16–0=1 +12.4
S.C.Rijssen interne competitie 26-08-2021 t/m 19-05-2022 (030025) Thursday 26 August 2021 +9–0=0 +24.0

Rating History

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Peak Ratings

Classic 2184 May 1, 2025
Rapid 2177 May 1, 2026
Blitz 2149 April 1, 2026

Games

Wins 110
Losses 24
Draws 22
Win Rate 71%

Performance by Color

Color Wins Draws Losses Win Rate
White 62 14 13 70%
Black 48 8 11 72%

Recent Matches

Renders, R. (René) (2103) Thursday 23 April 2026 WIN +9.8
Sapulette, J.G.R. (Jay-Giani) (1974) Friday 17 April 2026 LOSS -16.5
Wierenga, J. (Jaël) (2005) Saturday 28 March 2026 DRAW -4.2
Kleinjan, T.H.J. (Thias) (1755) Friday 20 March 2026 WIN +1.8
Beltman, R. (Rick) (1691) Thursday 19 March 2026 WIN +1.3
Lujan Garcia, R. (Rogelio) (2056) Friday 13 March 2026 WIN +8.1
Husers, Y.G.M. (Yannic) (2032) Friday 13 March 2026 WIN +7.4
Poelstra, B.M. (Ben) (1964) Friday 13 March 2026 WIN +5.6
Harmsel ter, G.R. (Remco) (1657) Thursday 12 March 2026 WIN +1.0
Schaafsma, K.R. (René) (1730) Wednesday 11 March 2026 WIN +1.7
Yska, R.J. (Rolf) (1848) Saturday 7 March 2026 WIN +3.5
Brinks, G.J. (Jurian) (1659) Thursday 5 March 2026 WIN +1.0
Dries op den, J. (Johan) (2174) Thursday 29 January 2026 LOSS -10.5
Dries op den, J. (Johan) (2174) Thursday 29 January 2026 LOSS -10.5
Franssen, A. (Aron) (1539) Thursday 15 January 2026 WIN +0.4
Haveman, W.J. (Joost) (1819) Thursday 4 December 2025 WIN +2.8
Bos van den, J. (Jokim) (2101) Saturday 25 October 2025 LOSS -12.8
Lujan Garcia, R. (Rogelio) (1989) Friday 10 October 2025 LOSS -16.0
Reinders, J. (Joan) (1886) Thursday 9 October 2025 WIN +3.2
Kruimer, M.H. (Matthias) (2124) Friday 26 September 2025 DRAW -1.1