KNSB FIDE
EK

Erwin Kok

Rated since January 2023

1682 Classic
1652 Rapid
1584 Blitz

Team Competition

Current teams
Bedum I
Klasse 1A · 2025-2026 · 2 games
Groninger Combinatie 7
Klasse 6A · 2025-2026 · 4 games
Past teams
Bedum
1900 Beker · 2024-2025
1 game
Bedum I
Zestallen 1e fase A · 2024-2025
2 games
Bedum I
Zestallen 2e fase A · 2024-2025
1 game
Groninger Combinatie 7
Klasse 6A · 2024-2025
3 games
Bedum I
Achttallen 1e fase A · 2023-2024
4 games
Groninger Combinatie 6
Klasse 6A · 2022-2023
3 games
Groninger Combinatie V
Viertallen A · 2022-2023
5 games
Groninger Combinatie 5
Klasse 5A · 2021-2022
4 games
Groninger Combinatie IV
Zestallen A · 2021-2022
1 game
Groninger Combinatie V
Viertallen A · 2021-2022
5 games

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
SELTEN, A.W.M. (TON) 1824
12266 KNSB competitie 2025-2026 Klasse 6 ronde 2 · Saturday 1 November 2025
SCHOLTEN, E. (EVERT) 1752
13548 NOSBO-competitie 2025-2026 ronde 7 Groep A · Tuesday 14 April 2026
HARDEMAN, I. (IMARA) 1750
11529 NOSBO snelschaken voor teams 2025 Turnus 2 · Saturday 21 June 2025
KURSTJENS, T. (TIM) 1729
10408 KNSB competitie 2024-2025 inhaalwedstrijden januari 2025 · Saturday 11 January 2025
LIEFTING, Y. (YANNICK) 1708
12993 KNSB competitie 2025-2026 Klasse 6 ronde 6 · Saturday 7 February 2026
Worst losses
WOLTHEKKER, T. (THEO) 1507
8347 NOSBO-competitie 2023-2024 Januari 2024 · Tuesday 23 January 2024
KAMPHORST, J.C. (JAN) 1551
6252 Chess Festival Groningen Compact C · Friday 30 December 2022
BONDAREV, I. (ILYA) 1650
6252 Chess Festival Groningen Compact C · Tuesday 27 December 2022
RIET VAN 'T, P.H. (FLIP) 1667
9910 NOSBO competitie 2024-2025 November 2024 · Tuesday 5 November 2024
DIJKSTRA, J.S.J. (JACOB) 1688
10497 KNSB competitie 2024-2025 Klasse 6 ronde 5 · Saturday 8 February 2025
Chessfestival Groningen Vierkampen Groep A Monday 22 December 2025 +0–3=0 -18.1
Chess Festival Groningen Compact Saturday 21 December 2024 +0–3=1 -19.9
Chess Festival Groningen Vierkampen Thursday 21 December 2023 +2–1=0 +28.1
NOSBO-competitie 2025-2026 ronde 7 Groep A Monday 13 April 2026 +1–0=0 +15.9
NOSBO Beker 2025-2026 Halve finale Groep A Thursday 26 March 2026 +1–0=0 +14.1
NOSBO Beker 2025-2026 Kwartfinale Groep A Thursday 15 January 2026 +1–0=0 +7.3
NOSBO-competitie 2025-2026 ronde 1 Klasse 1A Monday 13 October 2025 +0–1=0 -7.4
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +0–1=0 -8.3
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +1–0=0 +14.9
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -7.1
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +1–0=0 +18.4
NOSBO snelschaken voor teams 2025 Turnus 2 Saturday 21 June 2025 +1–7=0 -25.0
NOSBO snelschaken voor teams 2025 Turnus 1 Saturday 21 June 2025 +0–9=0 -43.3
NOSBO competitie 2024-2025 April 2025 Saturday 1 March 2025 +0–1=0 -7.9
NOSBO competitie 2024-2025 Februari 2025 Wednesday 1 January 2025 +0–1=0 -11.5
NOSBO competitie 2024-2025 December 2024 Monday 25 November 2024 +0–1=0 -5.7
NOSBO competitie 2024-2025 November 2024 Monday 14 October 2024 +0–1=0 -13.4
KNSB competitie 2024-2025 Klasse 6 ronde 7 Saturday 21 September 2024 +1–0=0 +13.8
KNSB competitie 2024-2025 Klasse 6 ronde 5 Saturday 21 September 2024 +0–1=0 -11.8
KNSB competitie 2024-2025 inhaalwedstrijden januari 2025 Saturday 21 September 2024 +1–0=0 +14.4
NOSBO-competitie 2023-2024 Februari 2024 Sunday 1 October 2023 +0–0=1 +3.4
NOSBO-competitie 2023-2024 Januari 2024 Sunday 1 October 2023 +0–2=0 -14.9
NOSBO-competitie 2023-2024 December 2023 Sunday 1 October 2023 +0–1=0 -4.7
Chess Festival Groningen Compact C Wednesday 21 December 2022 +1–2=1 -1.5
NOSBO competitie 2022-2023 April 2023 Monday 24 October 2022 +1–0=0 +5.2
NOSBO competitie 2022-2023 Februari 2023 Monday 24 October 2022 +0–1=1 -5.2
NOSBO competitie 2022-2023 December 2022 Monday 24 October 2022 +0–0=1 +3.8
KNSB competitie 2022-2023 Klasse 6 ronde 7 Saturday 17 September 2022 +0–1=0 -4.8
KNSB competitie 2022-2023 Klasse 6 ronde 5 Saturday 17 September 2022 +1–0=0 +2.2
KNSB competitie 2022-2023 Klasse 6 ronde 3 Saturday 17 September 2022 +1–0=0

Rating History

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Peak Ratings

Classic 1693 March 1, 2024
Rapid 1653 March 1, 2026
Blitz 1584 July 1, 2025

Games

Wins 14
Losses 38
Draws 5
Win Rate 25%

Performance by Color

Color Wins Draws Losses Win Rate
White 11 2 19 34%
Black 3 3 19 12%

Recent Matches

Scholten, E. (Evert) (1752) Tuesday 14 April 2026 WIN +15.9
Andrieu, J. (Justin) (1700) Thursday 9 April 2026 WIN +14.1
Reintke, E. (Erwin) (1777) Saturday 28 March 2026 LOSS -8.3
Hofstee, H.H. (Harrie) (1481) Monday 23 February 2026 WIN +7.3
Liefting, Y. (Yannick) (1708) Saturday 7 February 2026 WIN +14.9
Zoethout, S. (Sander) Wednesday 24 December 2025 LOSS
Wit de, J. (Jim) (1792) Tuesday 23 December 2025 LOSS -8.2
Remie, P. (Peter) (1738) Monday 22 December 2025 LOSS -9.9
Jelsma, R. (Remco) (1825) Saturday 13 December 2025 LOSS -7.1
Selten, A.W.M. (Ton) (1824) Saturday 1 November 2025 WIN +18.4
Schuttevaer, T. (Tim) (1804) Thursday 16 October 2025 LOSS -7.4
Boer de, R.E. (Robert) (1858) Saturday 21 June 2025 LOSS -5.9
Hardeman, I. (Imara) (1750) Saturday 21 June 2025 WIN +15.9
Hendriks, P.A. (Peter) (1992) Saturday 21 June 2025 LOSS -2.9
Essen van, T.D. (Tobias) (1748) Saturday 21 June 2025 LOSS -9.2
Gunal, F. (Faruk) (1797) Saturday 21 June 2025 LOSS -7.7
Brand, N.W. (Niels) (1960) Saturday 21 June 2025 LOSS -3.5
Baars, T. (Tije) (1816) Saturday 21 June 2025 LOSS -7.1
Leenes, R.E. (Robert) (1911) Saturday 21 June 2025 LOSS -4.6
Baars, T. (Tije) (1816) Saturday 21 June 2025 LOSS -7.1