MK

Marten Koopmans

Rated since January 2023

1646 Classic
1684 Rapid
1684 Blitz

Team Competition

Current team
De Donger 3
3e klasse A · 2025-2026 · 6 games
Past teams
De Donger 3
3e klasse A · 2024-2025
6 games
De Donger 2
Eerste klasse A · 2023-2024
6 games
De Donger 2
Klasse 1A · 2022-2023
7 games
De Donger 2
Klasse 2A · 2021-2022
6 games

RIVALRY

Nemesis
Meindersma, T. (Teun)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
WIERSMA, G. (GOSSE) 1670
12662 De Donger interne competitie 2025-2026 RONDE 1-12 ronde 1-12 · Tuesday 9 September 2025
BOUMA, P. (PIET) 1422
13825 De Donger interne competitie 2025-2026 ronde 13-26 · Tuesday 7 April 2026
Worst losses
KUIPERS, D. (DOUWE) 1487
11765 De Donger interne competitie 2024-2025 RONDE 1-6 ronde 24-27 · Tuesday 22 April 2025
WIERSMA, G. (GOSSE) 1653
13825 De Donger interne competitie 2025-2026 ronde 13-26 · Tuesday 27 January 2026
MEINDERSMA, T. (THEO) 1764
13825 De Donger interne competitie 2025-2026 ronde 13-26 · Tuesday 3 February 2026
WOLFSLAG, R. (RENÉ) 1821
12031 FSB-competitie 2025-2026 ronde 7 3e klasse · Thursday 16 April 2026
VROOM, B. (BAUKE) 1845
13825 De Donger interne competitie 2025-2026 ronde 13-26 · Tuesday 24 February 2026
No FIDE-rated tournaments found.
De Donger interne competitie 2025-2026 ronde 13-26 Tuesday 9 September 2025 +1–4=2 -29.5
De Donger interne competitie 2025-2026 RONDE 1-12 ronde 1-12 Tuesday 9 September 2025 +1–2=4 +15.9
FSB-competitie 2025-2026 ronde 7 3e klasse Monday 1 September 2025 +0–1=0 -7.9
FSB-competitie 2025-2026 ronde 6 3e klasse Monday 1 September 2025 +0–0=1 +1.8
FSB-competitie 2025-2026 ronde 4 3e klasse Monday 1 September 2025 +0–0=1 -0.8
FSB-competitie 2025-2026 ronde 3 3e klasse Monday 1 September 2025 +0–0=1 -1.8
FSB-competitie 2025-2026 ronde 2 3e klasse Monday 1 September 2025 +0–0=1 -6.3
FSB-competitie 2025-2026 ronde 1 3e klasse Monday 1 September 2025 +1–0=0
De Donger interne competitie 2024-2025 RONDE 1-6 ronde 24-27 Tuesday 3 September 2024 +0–3=0 -28.2

Rating History

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Peak Ratings

Classic 1714 April 1, 2025
Rapid 1684 May 1, 2026
Blitz 1684 May 1, 2026

Games

Wins 3
Losses 10
Draws 10
Win Rate 13%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 5 7 14%
Black 1 5 3 11%

Recent Matches

Visser, J. (Jos) (1709) Tuesday 21 April 2026 DRAW +0.9
Wolfslag, R. (René) (1821) Thursday 16 April 2026 LOSS -7.9
Bouma, P. (Piet) (1422) Tuesday 7 April 2026 WIN +4.5
Oegema, R. (Ruud) (1735) Tuesday 24 March 2026 DRAW +1.8
Visser, H.B. (Hein Bauke) (1633) Tuesday 3 March 2026 DRAW -1.7
Vroom, B. (Bauke) (1845) Tuesday 24 February 2026 LOSS -7.1
Meindersma, T. (Theo) (1764) Tuesday 3 February 2026 LOSS -9.7
Wiersma, G. (Gosse) (1653) Tuesday 27 January 2026 LOSS -13.5
Meindersma, T. (Teun) (2023) Tuesday 6 January 2026 LOSS -2.9
Woude van der, T. (Tjerk) (1647) Wednesday 17 December 2025 DRAW -0.8
Jellema, C.J. (Cris Jolmer) (1884) Tuesday 2 December 2025 LOSS -5.7
Postma, S. (Siep) (1624) Tuesday 25 November 2025 DRAW -1.8
Sinia, S.A. (Sjouke Atze) (1699) Tuesday 18 November 2025 DRAW +0.8
Meindersma, T. (Theo) Tuesday 11 November 2025 DRAW
Baars, T. (Ton) (1482) Thursday 6 November 2025 DRAW -6.3
Kammen van, P. (Pieter) (1741) Tuesday 21 October 2025 DRAW +2.3
Folbert, M. (Mark) (1922) Tuesday 14 October 2025 DRAW +7.7
Meinsma, L. (Lut) Tuesday 7 October 2025 WIN
Meindersma, T. (Teun) (2003) Tuesday 23 September 2025 LOSS -1.6
Wiersma, G. (Gosse) (1670) Tuesday 9 September 2025 WIN +12.3