JV

Jaco Vonk

Rated since January 2023

2121 Rapid
2114 Blitz

RIVALRY

Nemesis
Games: 7 · Win rate: 57%
Kryptonite
Games: 14 · Win rate: 29%
Easy Target
Games: 5 · Win rate: 100%

The good & the bad

Best wins
12068 Rapid Schaaktoernooi Giessenburg Groep A · 2025-10-25
7603 SOS Competitie 2023/2024 September 2023 · 2023-09-12
10704 KNSB competitie 2024-2025 Klasse 4 ronde 7 · 2025-03-08
6030 SGS Bekercompetitie dec 2022 · 2022-11-22
11021 KNSB competitie 2024-2025 Klasse 4 ronde 8 · 2025-04-05
Worst losses
7015 KNSB competitie 2022-2023 Klasse 3 ronde 9 · 2023-04-22
10216 De Giessen en Linge interne competitie 10-09-2024 t/m 10-12-2024 (06… · 2024-10-29
9122 De Giessen en Linge interne competitie 09-01-2024 t/m 21-05-2024 (060019) · 2024-04-23
5711 SOS Competitie 2022/2023 December 2022 · 2022-12-05
11852 KNSB competitie 2025-2026 Klasse 4 ronde 1 · 2025-09-20
No FIDE-rated tournaments found.
Rapid Schaaktoernooi Giessenburg Groep A Sat, Oct 25, 2025 +32=2 +17.4
SGS Bekercompetitie 2025-2026 SGS Beker 2025-12 Wed, Oct 1, 2025 +00=1 -7.9
KNSB competitie 2025-2026 Klasse 4 ronde 7 Sat, Sep 20, 2025 +00=1 -3.7
KNSB competitie 2025-2026 Klasse 4 ronde 5 Sat, Sep 20, 2025 +10=0 +8.1
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Sat, Sep 20, 2025 +00=1 +1.5
KNSB competitie 2025-2026 Klasse 4 ronde 3 Sat, Sep 20, 2025 +10=0 +7.8
KNSB competitie 2025-2026 Klasse 4 ronde 2 Sat, Sep 20, 2025 +00=1 -1.6
KNSB competitie 2025-2026 Klasse 4 ronde 1 Sat, Sep 20, 2025 +01=0 -16.5
SOS competitie 2025/2026 Lijst 1 mrt Mon, Sep 1, 2025 +00=1 -3.1
SOS competitie 2025/2026 Lijst 1 feb Mon, Sep 1, 2025 +01=0 -7.1
SOS competitie 2025/2026 Lijst 1 jan Mon, Sep 1, 2025 +00=1 -5.1
SOS competitie 2025/2026 Lijst 1 Dec Mon, Sep 1, 2025 +10=0 +8.6
SOS competitie 2025/2026 Lijst 1 Nov Mon, Sep 1, 2025 +00=1 +1.1
SGS Bekercompetitie 2024-2025 2025-02 Fri, Nov 1, 2024 +01=0 -5.3
SGS Bekercompetitie 2024-12 Fri, Nov 1, 2024 +10=0 +8.2
KNSB competitie 2024-2025 Klasse 4 ronde 8 Sat, Sep 21, 2024 +10=0 +13.8
KNSB competitie 2024-2025 Klasse 4 ronde 7 Sat, Sep 21, 2024 +10=0 +16.0
KNSB competitie 2024-2025 Klasse 4 ronde 6 Sat, Sep 21, 2024 +10=0 +12.1
KNSB competitie 2024-2025 Klasse 4 ronde 4 Sat, Sep 21, 2024 +00=1
KNSB competitie 2024-2025 Klasse 4 ronde 2 Sat, Sep 21, 2024 +00=1 -1.4
KNSB competitie 2024-2025 Klasse 4 ronde 1 Sat, Sep 21, 2024 +01=0 -13.4
SOS Competitie 2024/2025 2025-05 Sun, Sep 1, 2024 +10=0 +8.1
SOS Competitie 2024/2025 2025-04 Sun, Sep 1, 2024 +01=0 -14.2
SOS Competitie 2024/2025 2025-03 Sun, Sep 1, 2024 +10=0 +9.5
SOS Competitie 2024/2025 2025-02 Sun, Sep 1, 2024 +00=1 -1.1
SOS Competitie 2024/2025 2025-01 Sun, Sep 1, 2024 +10=0 +12.5
SOS Competitie 2024/2025 2024-12 Sun, Sep 1, 2024 +01=0 -9.0
SOS Competitie 2024/2025 2024-11 Sun, Sep 1, 2024 +10=0 +6.4
SOS Competitie 2024/2025 2024-10 Sun, Sep 1, 2024 +00=1 -4.0
SGS Bekercompetitie 2023/2024 2023-12 Sun, Oct 1, 2023 +00=1 +0.6
KNSB competitie 2023-2024 Klasse 4 ronde 9 Sat, Sep 16, 2023 +10=0 +9.8
KNSB competitie 2023-2024 Klasse 4 ronde 8 Sat, Sep 16, 2023 +00=1 +2.0
KNSB competitie 2023-2024 Klasse 4 ronde 7 Sat, Sep 16, 2023 +00=1 -2.9
KNSB competitie 2023-2024 Klasse 4 ronde 6 Sat, Sep 16, 2023 +00=1 -6.0
KNSB competitie 2023-2024 Klasse 4 ronde 5 Sat, Sep 16, 2023 +10=0 +7.3
KNSB competitie 2023-2024 Klasse 4 ronde 4 Sat, Sep 16, 2023 +10=0 +10.0
KNSB competitie 2023-2024 Klasse 4 ronde 3 Sat, Sep 16, 2023 +01=0 -13.3
KNSB competitie 2023-2024 Klasse 4 ronde 2 Sat, Sep 16, 2023 +01=0 -13.6
SOS Competitie 2023/2024 April 2024 Fri, Sep 1, 2023 +10=0 +7.7
SOS Competitie 2023/2024 Februari 2024 Fri, Sep 1, 2023 +01=0
SOS Competitie 2023/2024 Januari 2024 Fri, Sep 1, 2023 +10=0 +5.9
SOS Competitie 2023/2024 December 2023 Fri, Sep 1, 2023 +00=1 -3.6
SOS Competitie 2023/2024 November 2023 Fri, Sep 1, 2023 +00=1 -9.3
SOS Competitie 2023/2024 Oktober 2023 Fri, Sep 1, 2023 +10=0 +4.9
SOS Competitie 2023/2024 September 2023 Fri, Sep 1, 2023 +10=0 +17.8
SGS Bekercompetitie feb 2023 Mon, Oct 17, 2022 +01=0 -13.1
SGS Bekercompetitie dec 2022 Mon, Oct 17, 2022 +10=0 +15.9
KNSB competitie 2022-2023 Klasse 3 ronde 9 Sat, Sep 17, 2022 +01=0 -16.6
KNSB competitie 2022-2023 Klasse 3 ronde 7 Sat, Sep 17, 2022 +01=0 -4.8
KNSB competitie 2022-2023 Klasse 3 ronde 6 Sat, Sep 17, 2022 +01=0 -8.3
KNSB competitie 2022-2023 Klasse 3 ronde 5 Sat, Sep 17, 2022 +10=0 +9.6
KNSB competitie 2022-2023 Klasse 3 ronde 4 Sat, Sep 17, 2022 +10=0 +3.2
SOS Competitie 2022/2023 Mei Mon, Sep 12, 2022 +01=0 -8.0
SOS Competitie 2022/2023 April 2023(HK) Mon, Sep 12, 2022 +01=0 -10.2
SOS Competitie 2022/2023 Maart 2023(HK) Mon, Sep 12, 2022 +00=1 +1.7
SOS Competitie 2022/2023 Februari 2023 Mon, Sep 12, 2022 +01=0 -10.0
SOS Competitie 2022/2023 Januari 2023 Mon, Sep 12, 2022 +01=0 -10.2
SOS Competitie 2022/2023 December 2022 Mon, Sep 12, 2022 +01=0 -14.2

Rating History

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Peak Ratings

Classic 2145 Jan. 1, 2026
Rapid 2121 Dec. 1, 2025
Blitz 2126 March 1, 2026

Games

Wins 71
Losses 23
Draws 43
Win Rate 52%

Performance by Color

Color Wins Draws Losses Win Rate
White 33 22 11 50%
Black 38 21 12 54%

Recent Matches

Oosten van, A. (Arend) (2036) 2026-02-10 DRAW -3.1
Zuiderwijk, R.E. (Rens) (2015) 2026-02-07 DRAW -3.7
FM Stehouwer, C. (Coen) (2285) 2026-01-13 LOSS -7.1
Nikoladze, G. (Gela) (2000) 2025-12-23 WIN +8.4
Gerritse, Y.A.J. (Youri) (1991) 2025-12-13 WIN +8.1
Else, A.J. (Tony) (1891) 2025-12-09 WIN +5.3
Wijk van, P.A. (Peter) (1956) 2025-12-01 DRAW -5.1
Burgsteden van, D.W. (Daniel) (1845) 2025-11-30 DRAW -7.9
Rutgers, L.W. (Louis) (1804) 2025-11-25 WIN +3.6
FM Hallebeek, F. (Fred) (2148) 2025-11-22 DRAW +1.5
Es van, A.G. (Arnold) (1519) 2025-11-18 WIN +0.5
Boot, H. (Henk) (1956) 2025-11-11 DRAW -4.9
Smeenk, M. (Merijn) (1992) 2025-11-04 WIN +8.6
Leemans, H.M.C.A. (Huub) (1966) 2025-11-01 WIN +7.8
Delwel, E. (Ernst) (1830) 2025-10-28 WIN +4.2
CM Terlouw, W. (Wouter) (2157) 2025-10-25 LOSS -10.6
Schenkeveld, D.J. (Dick) (2204) 2025-10-25 WIN +15.7
Ouden van den, L.J.F. (Lendert) (2140) 2025-10-25 DRAW +1.2
Zhang, W. (Tony) (2205) 2025-10-25 DRAW +3.4
Boot, H. (Henk) (1973) 2025-10-25 WIN +8.0