MK

Marten Koopmans

Rated since January 2023

1676 Classic
1684 Rapid
1684 Blitz

RIVALRY

Not enough games to determine rivalries yet.

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
Worst losses
KUIPERS, D. (DOUWE) 1487
11765 De Donger interne competitie 2024-2025 RONDE 1-6 ronde 24-27 · Tuesday 22 April 2025
WOLFSLAG, R. (RENÉ) 1821
12031 FSB-competitie 2025-2026 ronde 7 3e klasse · Thursday 16 April 2026
JELLEMA, C.J. (CRIS JOLMER) 1884
12662 De Donger interne competitie 2025-2026 RONDE 1-12 ronde 1-12 · Tuesday 2 December 2025
FOLBERT, M. (MARK) 1896
11765 De Donger interne competitie 2024-2025 RONDE 1-6 ronde 24-27 · Tuesday 1 April 2025
MEINDERSMA, T. (TEUN) 1997
11765 De Donger interne competitie 2024-2025 RONDE 1-6 ronde 24-27 · Tuesday 15 April 2025
No FIDE-rated tournaments found.
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 2
Losses 6
Draws 8
Win Rate 12%

Performance by Color

Color Wins Draws Losses Win Rate
White 1 4 5 10%
Black 1 4 1 17%

Recent Matches

Wolfslag, R. (René) (1821) Thursday 16 April 2026 LOSS -7.9
Oegema, R. (Ruud) (1735) Tuesday 24 March 2026 DRAW +1.8
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
Kuipers, D. (Douwe) (1487) Tuesday 22 April 2025 LOSS -19.7
Meindersma, T. (Teun) (1997) Tuesday 15 April 2025 LOSS -2.0
Folbert, M. (Mark) (1896) Tuesday 1 April 2025 LOSS -6.6