KNSB FIDE
JH

Jacco Heij

Rated since January 2023

2038 Classic
2033 Rapid
2033 Blitz

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 · Saturday 21 September 2024
JONGE DE, B.S. (BORIS) 2169
10494 KNSB competitie 2024-2025 Klasse 3 ronde 6 · Saturday 8 February 2025
JONG DE, L. (LODE) 2162
9651 SOS Competitie 2024/2025 2025-02 · Friday 14 February 2025
MITYAEV, A. (ALEXANDR) 2152
10169 HSB competitie 2024-2025 CompDecember2024 · Monday 16 December 2024
DRIES OP DEN, J. (JOHAN) 2149
7640 KNSB competitie 2023-2024 Klasse 4 ronde 2 · Saturday 7 October 2023
Worst losses
DOOPER, L.L.A.H. (LÛTSEN) 1856
7805 KNSB competitie 2023-2024 Klasse 4 ronde 4 · Saturday 25 November 2023
TAVERNE, N. (NADEEM) 1860
10537 HSB competitie 2024-2025 CompFeb2025 · Thursday 20 February 2025
ENGELEN, R.J.H. (RONALD) 1874
8807 KNSB competitie 2023-2024 Klasse 4 ronde 9 · Saturday 20 April 2024
WESTERHOF, F. (FLEUR) 1899
8992 HSG Open 2024 Groep A · Saturday 22 June 2024
HOOGEN VAN DEN, A. (ARIE) 1899
6167 KNSB competitie 2022-2023 Klasse 3 ronde 4 · Saturday 26 November 2022
Amsterdam Chess Open Groep B Friday 1 November 2024 +4–2=0 +7.4
HSG Open 2024 Groep A Friday 21 June 2024 +2–3=1 -10.6
KNSB competitie 2025-2026 Klasse 3 ronde 6 Saturday 20 September 2025 +1–0=0 +12.5
KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +1–0=0 +7.1
KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +1–0=0 +12.5
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +1–0=0 +9.1
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +0–1=0 -8.1
KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +1–0=0 +9.5
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +0–1=0 -15.3
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +1–0=0 +7.7
HSB competitie 2025-2026 April2026 Monday 1 September 2025 +0–1=0 -2.6
HSB competitie 2025-2026 HSBCompetitieFeb26 Monday 1 September 2025 +0–0=2 -8.2
HSB competitie 2025-2026 DecemberJanuari Comp 2526 Monday 1 September 2025 +0–0=1 -9.2
HSB competitie 2025-2026 November comp Monday 1 September 2025 +0–1=0 -10.9
HSB competitie 2025-2026 October 2025 Monday 1 September 2025 +0–1=0 -10.0
HSB competitie 2025-2026 September 2025 Monday 1 September 2025 +1–0=0 +10.7
KNSB competitie 2024-2025 Klasse 3 ronde 9 Saturday 21 September 2024 +0–0=1 -3.4
KNSB competitie 2024-2025 Klasse 3 ronde 8 Saturday 21 September 2024 +0–0=1 -2.0
KNSB competitie 2024-2025 Klasse 3 ronde 7 Saturday 21 September 2024 +0–1=0 -10.7
KNSB competitie 2024-2025 Klasse 3 ronde 6 Saturday 21 September 2024 +1–0=0 +16.4
KNSB competitie 2024-2025 Klasse 3 ronde 5 Saturday 21 September 2024 +0–0=1 +1.1
KNSB competitie 2024-2025 Klasse 3 ronde 4 Saturday 21 September 2024 +0–0=1 -2.5
KNSB competitie 2024-2025 Klasse 3 ronde 3 + inhaalwedstrijd ronde 1 Saturday 21 September 2024 +0–1=0 -15.4
KNSB competitie 2024-2025 Klasse 3 ronde 2 Saturday 21 September 2024 +1–0=0 +16.2
KNSB competitie 2024-2025 Klasse 3 ronde 1 Saturday 21 September 2024 +1–0=0 +23.3
HSB competitie 2024-2025 Comp april Sunday 1 September 2024 +0–1=0 -14.2
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +0–0=1 -7.6
HSB competitie 2024-2025 CompFeb2025 Sunday 1 September 2024 +0–1=0 -18.8
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +1–0=0 +16.2
HSB competitie 2024-2025 CompDecember2024 Sunday 1 September 2024 +1–0=0 +16.5
HSB competitie 2024-2025 Groep A Sunday 1 September 2024 +1–0=0 +10.2
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +1–0=0 +9.5
South Wales International Open Friday 5 July 2024 +4–3=1 +24.4
SGS Bekercompetitie 2023/2024 2024-01 Sunday 1 October 2023 +0–1=0 -4.8
KNSB competitie 2023-2024 Klasse 4 ronde 9 Saturday 16 September 2023 +0–1=0 -16.1
KNSB competitie 2023-2024 Klasse 4 ronde 8 Saturday 16 September 2023 +1–0=0 +11.8
KNSB competitie 2023-2024 Klasse 3 ronde 7 Saturday 16 September 2023 +1–0=0
KNSB competitie 2023-2024 Klasse 4 ronde 6 Saturday 16 September 2023 +0–0=1 -4.3
KNSB competitie 2023-2024 Klasse 4 ronde 5 Saturday 16 September 2023 +1–0=0 +7.5
KNSB competitie 2023-2024 Klasse 4 ronde 4 Saturday 16 September 2023 +0–1=0 -15.5
KNSB competitie 2023-2024 Klasse 4 ronde 3 Saturday 16 September 2023 +1–0=0 +8.7
KNSB competitie 2023-2024 Klasse 4 ronde 2 Saturday 16 September 2023 +1–0=0 +19.6
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +1–0=0 +11.2
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +1–0=0 +9.4
SOS Competitie 2023/2024 September 2023 Friday 1 September 2023 +0–0=1 +1.0
SGS Bekercompetitie feb 2023 Monday 17 October 2022 +0–1=0 -8.4
KNSB competitie 2022-2023 Klasse 3 ronde 9 Saturday 17 September 2022 +1–0=0 +11.1
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +0–1=1 -3.8
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +1–0=0 +17.0
KNSB competitie 2022-2023 Klasse 3 ronde 5 Saturday 17 September 2022 +1–0=0 +13.9
KNSB competitie 2022-2023 Klasse 3 ronde 4 Saturday 17 September 2022 +0–1=0 -12.2
SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +0–0=1 -1.0
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–0=1 +0.5
SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +1–0=0 +12.9
SOS Competitie 2022/2023 December 2022 Monday 12 September 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 35
Losses 23
Draws 16
Win Rate 47%

Performance by Color

Color Wins Draws Losses Win Rate
White 25 8 7 62%
Black 10 8 16 29%

Recent Matches

Hazenberg, F.C. (Frans) (1888) Friday 24 April 2026 WIN +7.7
IM Jong de, J.W. (Jan-Willem) (2392) Wednesday 22 April 2026 LOSS -2.6
Veenstra, W.M. (Wopke) (2014) Saturday 28 March 2026 WIN +12.5
Andriessen, B.J. (Bart Jan) (1850) Saturday 7 March 2026 WIN +7.1
Boersma, D.J. (David) (1896) Tuesday 3 February 2026 DRAW -4.1
Boersma, D.J. (David) (1896) Tuesday 3 February 2026 DRAW -4.1
Krosenbrink, M. (Marcel) (2014) Saturday 13 December 2025 WIN +12.5
Peursen van, T.W. (Timo) (1702) Tuesday 25 November 2025 DRAW -9.2
Boxberg, O.G. (Oliver) (1923) Saturday 22 November 2025 WIN +9.1
Bik, W.J.A. (Wouter) (2068) Tuesday 11 November 2025 LOSS -10.9
Muis, G.M. (Gerrit-Meine) (2155) Saturday 1 November 2025 LOSS -8.1
Barendse, T.J.M. (Ted) (2096) Tuesday 7 October 2025 LOSS -10.0
Markering, M.A. (Martin) (1936) Saturday 4 October 2025 WIN +9.5
Ismayilov, U. (Uzeyir) (1978) Thursday 25 September 2025 WIN +10.7
Rutjes, T. (Twan) (1948) Saturday 20 September 2025 LOSS -15.3
Janse, E.W. (Erik) (1932) Saturday 10 May 2025 DRAW -3.4
Dijk van, E. (Eduard) (2008) Wednesday 23 April 2025 LOSS -14.2
Weidema, R. (Rik) (1812) Monday 14 April 2025 DRAW -7.6
Katpatal, N.M. (Akshaj) (1998) Saturday 5 April 2025 DRAW -2.0
Muis, G.M. (Gerrit-Meine) (2118) Saturday 8 March 2025 LOSS -10.7