KM

Klaas Merkus

Rated since January 2023

1747 Classic
1747 Rapid
1747 Blitz

RIVALRY

Nemesis
Al-Sarayfi, M. (Mohammed)
Games: 3 · Win rate: 67%
Kryptonite
Jong de, U. (Uilke)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
AL-SARAYFI, M. (MOHAMMED) 1768
11941 DSC interne competitie 2025-2026 Ronden-08tm12 · Monday 17 November 2025
KEIZER, B.G. (BERNARD) 1758
11836 FSB-competitie 2025-2026 ronde 1 2e klasse · Monday 6 October 2025
HOOGEN VAN DEN, T. (TIM) 1723
11942 DSC interne competitie 2025-2026 Ronden-13tm15 · Monday 1 December 2025
TJAARDA, J. (JELTE) 1714
12030 FSB-competitie 2025-2026 ronde 7 2e klasse · Monday 13 April 2026
JONG DE, J.R. (JARNO) 1659
11940 DSC interne competitie 2025-2026 Ronden-04tm07 · Monday 20 October 2025
Worst losses
MORAAL, J. (JACOB) 1643
13278 DSC interne competitie 2025-2026 Ronden-18tm22 · Monday 2 February 2026
JONG DE, U. (UILKE) 1714
13417 DSC interne competitie 2025-2026 Ronden-23tm25 · Monday 16 March 2026
VULPEN VAN, A. (ARJEN) 1754
14323 DSC interne competitie 2026-2027 Rondes september 2026 · Monday 14 September 2026
EELSINGH, J. (JANKO) 1755
12009 FSB-competitie 2025-2026 ronde 2 2e klasse · Monday 3 November 2025
VEEN VAN DER, A. (ALLE) 1797
11876 DSC interne competitie 2025-2026 Ronden-01tm03 · Monday 8 September 2025
No FIDE-rated tournaments found.
DSC interne competitie 2026-2027 Rondes september 2026 Monday 14 September 2026 +1–1=0 -11.7
DSC interne competitie 2025-2026 Ronden-26tm28 Monday 8 September 2025 +1–1=0 +0.2
DSC interne competitie 2025-2026 Ronden-23tm25 Monday 8 September 2025 +1–1=0 -3.3
DSC interne competitie 2025-2026 Ronden-18tm22 Monday 8 September 2025 +1–1=2 -13.3
DSC interne competitie 2025-2026 Ronden-16tm17 Monday 8 September 2025 +0–0=2 -3.9
DSC interne competitie 2025-2026 Ronden-13tm15 Monday 8 September 2025 +1–0=1 +8.9
DSC interne competitie 2025-2026 Ronden-08tm12 Monday 8 September 2025 +1–2=1 -33.1
DSC interne competitie 2025-2026 Ronden-04tm07 Monday 8 September 2025 +2–0=0 +14.6
DSC interne competitie 2025-2026 Ronden-01tm03 Monday 8 September 2025 +2–1=0 -7.9
FSB-competitie 2025-2026 ronde 7 2e klasse Monday 1 September 2025 +1–0=0 +11.4
FSB-competitie 2025-2026 ronde 6 2e klasse Monday 1 September 2025 +0–1=0 -10.3
FSB-competitie 2025-2026 ronde 5 2e klasse Monday 1 September 2025 +0–1=0 -8.5
FSB-competitie 2025-2026 ronde 4 2e klasse Monday 1 September 2025 +0–1=0 -10.1
FSB-competitie 2025-2026 ronde 2 2e klasse Monday 1 September 2025 +0–1=0 -17.6
FSB-competitie 2025-2026 ronde 1 2e klasse Monday 1 September 2025 +1–0=0 +12.5

Team Competition

Current team
DSC Drachten 1
2e klasse A · 2025-2026 · 6 games
Past teams
DSC Drachten 1
2e klasse A · 2024-2025

Rating History

Loading rating history...

Peak Ratings

Classic 1838 Nov. 1, 2025
Rapid 1774 March 1, 2026
Blitz 1774 March 1, 2026

Games

Wins 12
Losses 11
Draws 6
Win Rate 41%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 4 5 36%
Black 7 2 6 47%

Recent Matches

Loonstra, R. (Roy) (1254) Monday 21 September 2026 WIN +1.0
Vulpen van, A. (Arjen) (1754) Monday 14 September 2026 LOSS -12.7
Linden van der, R. (Rene) (1864) Monday 20 April 2026 LOSS -8.5
Tjaarda, J. (Jelte) (1714) Monday 13 April 2026 WIN +11.4
Vogelzang, L. (Luitjen Jan) (1650) Monday 30 March 2026 WIN +8.7
Brand, M.B. (Max) (1851) Monday 23 March 2026 LOSS -10.3
Jong de, U. (Uilke) (1714) Monday 16 March 2026 LOSS -15.3
Al-Sarayfi, M. (Mohammed) (1744) Monday 9 March 2026 WIN +12.0
Moraal, J. (Jacob) (1643) Monday 23 February 2026 WIN +8.3
Vogelzang, L. (Luitjen Jan) (1641) Monday 16 February 2026 DRAW -5.0
Jong de, S.F.J. (Siegbert) (1914) Monday 9 February 2026 LOSS -8.5
Moraal, J. (Jacob) (1643) Monday 2 February 2026 LOSS -18.1
Linden van der, R. (Rene) (1827) Monday 26 January 2026 DRAW +1.5
Al-Sarayfi, M. (Mohammed) (1739) Monday 19 January 2026 DRAW -1.8
Jong de, U. (Uilke) (1728) Monday 12 January 2026 DRAW -2.2
Strikwerda, J. (Jacob) (1884) Monday 15 December 2025 LOSS -10.1
Jong de, U. (Uilke) (1723) Monday 8 December 2025 DRAW -2.4
Hoogen van den, T. (Tim) (1723) Monday 1 December 2025 WIN +11.3
Berg van den, J. (Johan) (1600) Monday 24 November 2025 DRAW -8.5
Al-Sarayfi, M. (Mohammed) (1768) Monday 17 November 2025 WIN +11.5