KNSB FIDE
KB

Koen Beentjes

Rated since January 2023

1860 Classic
1892 Rapid
1856 Blitz

Team Competition

Current teams
De Amstel
Zilveren Beker · 2025-2026 · 2 games
De Amstel 1
Klasse 3C · 2025-2026 · 2 games
De Amstel 1
1e Klasse A · 2025-2026 · 3 games
De Amstel 2
2e Klasse A · 2025-2026 · 7 games
Past teams
De Amstel
Zilveren Beker · 2024-2025
1 game
De Amstel 1
Klasse 3D · 2024-2025
5 games
De Amstel 1
1e Klasse B · 2024-2025
3 games
De Amstel 2
2e Klasse B · 2024-2025
6 games
De Amstel
Zilveren Beker · 2023-2024
1 game
De Amstel 1
Klasse 4C · 2023-2024
3 games
De Amstel 1
1e Klasse A · 2023-2024
3 games
De Amstel 2
2e Klasse A · 2023-2024
7 games
De Amstel 1
Klasse 4E · 2022-2023
6 games
De Amstel 1
Klasse 3E · 2021-2022
5 games

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
PLASSCHE VAN DE, E.J. (ERIK) 2008
12653 LeiSB regionale competitie 25-26 Hoofdklasse december · Monday 15 December 2025
DERKSEN, R.H. (RICK) 1920
13635 LeiSB regionale competitie 25-26 Hoofdklasse april · Friday 17 April 2026
VLAK, M. (MARTIJN) 1901
12428 LeiSB regionale competitie 25-26 Hoofdklasse november · Friday 7 November 2025
STAAT VAN DER, B. (BORIS) 1859
12465 SGA Competitie 2025-2026 Zilveren Beker ronde 1 · Tuesday 11 November 2025
RUIJTER DE, S.A.H. (SYLVAIN) 1824
12576 NHSB-competitie 2025-2026 Klasse 2D t/m 14-12-2025 · Thursday 11 December 2025
Worst losses
OLDENHOF, D. (DWIGHT) 1660
13374 SGA Competitie 2025-2026 2e Klasse A ronde 4 en 5 · Wednesday 11 March 2026
SARICICEK, A. (AHMET) 1907
13079 SGA Competitie 2025-2026 Zilveren Beker kwartfinale · Monday 9 February 2026
JANSEN, J.J.M. (HAN) 1921
12306 NHSB-competitie 2025-2026 Zilver t/m 09-11-2025 · Thursday 6 November 2025
KESTEREN VAN, Y.T. (YASHIN) 1931
13228 NHSB-competitie 2025-2026 Klasse 2D t/m 08-03-2026 · Friday 6 March 2026
BUSA, R. (RYAN) 1943
13640 SGA Competitie 2025-2026 1e Klasse A ronde 7 · Thursday 23 April 2026
No FIDE-rated tournaments found.
SGA Competitie 2025-2026 2e Klasse A ronde 7 Wednesday 1 October 2025 +0–0=1 -1.2
SGA Competitie 2025-2026 1e Klasse A ronde 7 Wednesday 1 October 2025 +0–1=0 -9.5
LeiSB regionale competitie 25-26 Hoofdklasse april Wednesday 1 October 2025 +1–0=0 +14.7
SGA Competitie 2025-2026 2e Klasse A ronde 6 Wednesday 1 October 2025 +0–0=1 -0.4
LeiSB regionale competitie 25-26 Hoofdklasse maart Wednesday 1 October 2025 +0–1=1 -4.6
SGA Competitie 2025-2026 2e Klasse A ronde 4 en 5 Wednesday 1 October 2025 +0–1=0 -19.8
SGA Competitie 2025-2026 1e Klasse A ronde 5 en 6 Wednesday 1 October 2025 +0–0=1 +0.1
SGA Competitie 2025-2026 2e Klasse A ronde 4 Wednesday 1 October 2025 +1–0=0
SGA Competitie 2025-2026 Zilveren Beker kwartfinale Wednesday 1 October 2025 +0–1=0 -12.8
SGA Competitie 2025-2026 2e Klasse A ronde 1 en 3 Wednesday 1 October 2025 +1–0=0 +8.4
LeiSB regionale competitie 25-26 Hoofdklasse december Wednesday 1 October 2025 +1–0=1 +18.5
SGA Competitie 2025-2026 2e Klasse A ronde 2 Wednesday 1 October 2025 +0–1=0
SGA Competitie 2025-2026 Zilveren Beker ronde 1 Wednesday 1 October 2025 +1–0=0 +12.6
LeiSB regionale competitie 25-26 Hoofdklasse november Wednesday 1 October 2025 +1–0=0 +14.0
KNSB competitie 2025-2026 Klasse 3 ronde 9 Saturday 20 September 2025 +0–1=0 -7.0
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–1=0 -10.2
NHSB-competitie 2025-2026 Klasse 2D t/m 12-04-2026 Monday 1 September 2025 +1–0=0 +7.3
NHSB-competitie 2025-2026 Klasse 2D t/m 08-03-2026 Monday 1 September 2025 +0–1=0 -11.1
NHSB-competitie 2025-2026 Klasse 2D t/m 08-02-2026 Monday 1 September 2025 +0–0=1 -0.9
NHSB-competitie 2025-2026 Klasse 2D t/m 14-12-2025 Monday 1 September 2025 +1–0=0 +10.7
NHSB-competitie 2025-2026 Klasse 2D t/m 23-11-2025 Monday 1 September 2025 +0–0=1 +3.7
NHSB-competitie 2025-2026 Zilver t/m 09-11-2025 Monday 1 September 2025 +0–1=0 -10.3

Rating History

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Peak Ratings

Classic 1915 Jan. 1, 2026
Rapid 1892 July 1, 2025
Blitz 1891 March 1, 2026

Games

Wins 8
Losses 9
Draws 7
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 7 3 7 41%
Black 1 4 2 14%

Recent Matches

Ploeg van der, H. (Harmen) (1828) Wednesday 6 May 2026 DRAW -1.2
Busa, R. (Ryan) (1943) Thursday 23 April 2026 LOSS -9.5
Derksen, R.H. (Rick) (1920) Friday 17 April 2026 WIN +14.7
Riemens, A. (Albert) (2024) Saturday 11 April 2026 LOSS -7.0
Wilts, M. (Michiel) (1698) Thursday 9 April 2026 WIN +7.3
Pelleboer, P. (Pieter) (1846) Wednesday 8 April 2026 DRAW -0.4
Molenkamp, J.B. (Jan Bertus) (1872) Monday 16 March 2026 DRAW -0.7
Oldenhof, D. (Dwight) (1660) Wednesday 11 March 2026 LOSS -19.8
Kesteren van, Y.T. (Yashin) (1931) Friday 6 March 2026 LOSS -11.1
Cesur, I.E. (Egecan) (1893) Wednesday 4 March 2026 DRAW +0.1
FM Ketel van, R.A. (Raoul) (2203) Friday 27 February 2026 LOSS -3.9
Piurbeev, I. (Iurii) Monday 16 February 2026 WIN
Saricicek, A. (Ahmet) (1907) Monday 9 February 2026 LOSS -12.8
Devolder, H. (Herwig) (1982) Saturday 7 February 2026 LOSS -10.2
Hendrikse, A.J. (Ad) (1889) Thursday 5 February 2026 DRAW -0.9
Groen in 't Wout, P.E. (Partipan) (1757) Wednesday 17 December 2025 WIN +8.4
Plassche van de, E.J. (Erik) (2008) Monday 15 December 2025 WIN +16.9
Ruijter de, S.A.H. (Sylvain) (1824) Thursday 11 December 2025 WIN +10.7
Poel van de, J. (Jona) (1902) Thursday 27 November 2025 DRAW +1.6
Zubar, D. (Dmytro) Wednesday 26 November 2025 LOSS