KNSB FIDE
JH

Jacco Heij

Rated since January 2023

2033 Classic
2033 Rapid

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
SPIES, H. (HENK) 2410
9435 KNSB competitie 2024-2025 Klasse 3 ronde 1 · 2024-09-21
JONGE DE, B.S. (BORIS) 2169
10494 KNSB competitie 2024-2025 Klasse 3 ronde 6 · 2025-02-08
JONG DE, L. (LODE) 2162
9651 SOS Competitie 2024/2025 2025-02 · 2025-02-14
MITYAEV, A. (ALEXANDR) 2152
10169 HSB competitie 2024-2025 CompDecember2024 · 2024-12-16
DRIES OP DEN, J. (JOHAN) 2149
7640 KNSB competitie 2023-2024 Klasse 4 ronde 2 · 2023-10-07
Worst losses
DOOPER, L.L.A.H. (LÛTSEN) 1856
7805 KNSB competitie 2023-2024 Klasse 4 ronde 4 · 2023-11-25
TAVERNE, N. (NADEEM) 1860
10537 HSB competitie 2024-2025 CompFeb2025 · 2025-02-20
ENGELEN, R.J.H. (RONALD) 1874
8807 KNSB competitie 2023-2024 Klasse 4 ronde 9 · 2024-04-20
WESTERHOF, F. (FLEUR) 1899
8992 HSG Open 2024 Groep A · 2024-06-22
HOOGEN VAN DEN, A. (ARIE) 1899
6167 KNSB competitie 2022-2023 Klasse 3 ronde 4 · 2022-11-26
Amsterdam Chess Open Groep B Fri, Nov 1, 2024 +4–2=0 +7.4
HSG Open 2024 Groep A Fri, Jun 21, 2024 +2–3=1 -10.6
KNSB competitie 2025-2026 Klasse 3 ronde 5 Sat, Sep 20, 2025 +1–0=0 +12.5
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Sat, Sep 20, 2025 +1–0=0 +9.1
KNSB competitie 2025-2026 Klasse 3 ronde 3 Sat, Sep 20, 2025 +0–1=0 -8.1
KNSB competitie 2025-2026 Klasse 3 ronde 2 Sat, Sep 20, 2025 +1–0=0 +9.5
KNSB competitie 2025-2026 Klasse 3 ronde 1 Sat, Sep 20, 2025 +0–1=0 -15.3
HSB competitie 2025-2026 HSBCompetitieFeb26 Mon, Sep 1, 2025 +0–0=1 -4.1
HSB competitie 2025-2026 DecemberJanuari Comp 2526 Mon, Sep 1, 2025 +0–0=1 -9.2
HSB competitie 2025-2026 November comp Mon, Sep 1, 2025 +0–1=0 -10.9
HSB competitie 2025-2026 October 2025 Mon, Sep 1, 2025 +0–1=0 -10.0
HSB competitie 2025-2026 September 2025 Mon, Sep 1, 2025 +1–0=0 +10.7
KNSB competitie 2024-2025 Klasse 3 ronde 9 Sat, Sep 21, 2024 +0–0=1 -3.4
KNSB competitie 2024-2025 Klasse 3 ronde 8 Sat, Sep 21, 2024 +0–0=1 -2.0
KNSB competitie 2024-2025 Klasse 3 ronde 7 Sat, Sep 21, 2024 +0–1=0 -10.7
KNSB competitie 2024-2025 Klasse 3 ronde 6 Sat, Sep 21, 2024 +1–0=0 +16.4
KNSB competitie 2024-2025 Klasse 3 ronde 5 Sat, Sep 21, 2024 +0–0=1 +1.1
KNSB competitie 2024-2025 Klasse 3 ronde 4 Sat, Sep 21, 2024 +0–0=1 -2.5
KNSB competitie 2024-2025 Klasse 3 ronde 3 + inhaalwedstrijd ronde 1 Sat, Sep 21, 2024 +0–1=0 -15.4
KNSB competitie 2024-2025 Klasse 3 ronde 2 Sat, Sep 21, 2024 +1–0=0 +16.2
KNSB competitie 2024-2025 Klasse 3 ronde 1 Sat, Sep 21, 2024 +1–0=0 +23.3
HSB competitie 2024-2025 Comp april Sun, Sep 1, 2024 +0–1=0 -14.2
SOS Competitie 2024/2025 2025-04 Sun, Sep 1, 2024 +0–0=1 -7.6
HSB competitie 2024-2025 CompFeb2025 Sun, Sep 1, 2024 +0–1=0 -18.8
SOS Competitie 2024/2025 2025-02 Sun, Sep 1, 2024 +1–0=0 +16.2
HSB competitie 2024-2025 CompDecember2024 Sun, Sep 1, 2024 +1–0=0 +16.5
HSB competitie 2024-2025 Groep A Sun, Sep 1, 2024 +1–0=0 +10.2
SOS Competitie 2024/2025 2024-10 Sun, Sep 1, 2024 +1–0=0 +9.5
South Wales International Open Fri, Jul 5, 2024 +4–3=1 +24.4
SGS Bekercompetitie 2023/2024 2024-01 Sun, Oct 1, 2023 +0–1=0 -4.8
KNSB competitie 2023-2024 Klasse 4 ronde 9 Sat, Sep 16, 2023 +0–1=0 -16.1
KNSB competitie 2023-2024 Klasse 4 ronde 8 Sat, Sep 16, 2023 +1–0=0 +11.8
KNSB competitie 2023-2024 Klasse 3 ronde 7 Sat, Sep 16, 2023 +1–0=0
KNSB competitie 2023-2024 Klasse 4 ronde 6 Sat, Sep 16, 2023 +0–0=1 -4.3
KNSB competitie 2023-2024 Klasse 4 ronde 5 Sat, Sep 16, 2023 +1–0=0 +7.5
KNSB competitie 2023-2024 Klasse 4 ronde 4 Sat, Sep 16, 2023 +0–1=0 -15.5
KNSB competitie 2023-2024 Klasse 4 ronde 3 Sat, Sep 16, 2023 +1–0=0 +8.7
KNSB competitie 2023-2024 Klasse 4 ronde 2 Sat, Sep 16, 2023 +1–0=0 +19.6
SOS Competitie 2023/2024 April 2024 Fri, Sep 1, 2023 +1–0=0 +11.2
SOS Competitie 2023/2024 November 2023 Fri, Sep 1, 2023 +1–0=0 +9.4
SOS Competitie 2023/2024 September 2023 Fri, Sep 1, 2023 +0–0=1 +1.0
SGS Bekercompetitie feb 2023 Mon, Oct 17, 2022 +0–1=0 -8.4
KNSB competitie 2022-2023 Klasse 3 ronde 9 Sat, Sep 17, 2022 +1–0=0 +11.1
KNSB competitie 2022-2023 Klasse 3 ronde 8 Sat, Sep 17, 2022 +0–1=1 -3.8
KNSB competitie 2022-2023 Klasse 3 ronde 7 Sat, Sep 17, 2022 +1–0=0 +17.0
KNSB competitie 2022-2023 Klasse 3 ronde 5 Sat, Sep 17, 2022 +1–0=0 +13.9
KNSB competitie 2022-2023 Klasse 3 ronde 4 Sat, Sep 17, 2022 +0–1=0 -12.2
SOS Competitie 2022/2023 Maart 2023(HK) Mon, Sep 12, 2022 +0–0=1 -1.0
SOS Competitie 2022/2023 Februari 2023 Mon, Sep 12, 2022 +0–0=1 +0.5
SOS Competitie 2022/2023 Januari 2023 Mon, Sep 12, 2022 +1–0=0 +12.9
SOS Competitie 2022/2023 December 2022 Mon, Sep 12, 2022 +0–0=1 +2.1

Rating History

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Peak Ratings

Classic 2067 March 1, 2025
Rapid 2033 April 1, 2026
Blitz 2033 April 1, 2026

Games

Wins 32
Losses 22
Draws 15
Win Rate 46%

Performance by Color

Color Wins Draws Losses Win Rate
White 23 7 7 62%
Black 9 8 15 28%

Recent Matches

Boersma, D.J. (David) (1896) 2026-02-03 DRAW -4.1
Krosenbrink, M. (Marcel) (2014) 2025-12-13 WIN +12.5
Peursen van, T.W. (Timo) (1702) 2025-11-25 DRAW -9.2
Boxberg, O.G. (Oliver) (1923) 2025-11-22 WIN +9.1
Bik, W.J.A. (Wouter) (2068) 2025-11-11 LOSS -10.9
Muis, G.M. (Gerrit-Meine) (2155) 2025-11-01 LOSS -8.1
Barendse, T.J.M. (Ted) (2096) 2025-10-07 LOSS -10.0
Markering, M.A. (Martin) (1936) 2025-10-04 WIN +9.5
Ismayilov, U. (Uzeyir) (1978) 2025-09-25 WIN +10.7
Rutjes, T. (Twan) (1948) 2025-09-20 LOSS -15.3
Janse, E.W. (Erik) (1932) 2025-05-10 DRAW -3.4
Dijk van, E. (Eduard) (2008) 2025-04-23 LOSS -14.2
Weidema, R. (Rik) (1812) 2025-04-14 DRAW -7.6
Katpatal, N.M. (Akshaj) (1998) 2025-04-05 DRAW -2.0
Muis, G.M. (Gerrit-Meine) (2118) 2025-03-08 LOSS -10.7
Taverne, N. (Nadeem) (1860) 2025-02-20 LOSS -18.8
Jong de, L. (Lode) (2162) 2025-02-14 WIN +16.2
Jonge de, B.S. (Boris) (2169) 2025-02-08 WIN +16.4
Mityaev, A. (Alexandr) (2152) 2024-12-16 WIN +16.5
Renders, R. (René) (2067) 2024-12-14 DRAW +1.1