KNSB FIDE
SR

Sjoerd Rookus

Rated since June 2016

1926 Classical
1955 Blitz

The good & the bad

Best wins
MOLL, ARNE (CM) 2190
NK Snelschaak voor Clubteams 2025 · 2026-03-29
GROENEWOUD, JOEL 1975
NK Snelschaak voor Clubteams 2025 · 2026-03-29
SCHOONACKERS, JEROEN 1940
NK Snelschaak voor Clubteams 2025 · 2026-03-29
MARKERING, MARTIN 1926
NK Snelschaak voor Clubteams 2025 · 2026-03-29
DIJKSTRA, EDWIN 1877
Chessfestival Groningen 2025 Open B · 2025-12-21
Worst losses
JORRITSMA, ELI ALIA 1796
Chessfestival Groningen 2025 Open B · 2025-12-21
SPAANS, L. (LEONIE) 1861
Dutch Team Competition - klasse 4 Round 8 · 2026-03-07
MARKERING, MARTIN 1926
NK Snelschaak voor Clubteams 2025 · 2026-03-29
SCHOONACKERS, JEROEN 1940
NK Snelschaak voor Clubteams 2025 · 2026-03-29
GROENEWOUD, JOEL 1975
NK Snelschaak voor Clubteams 2025 · 2026-03-29

FIDE Tournaments

Dutch Team Competition - klasse 4 Round 9 2026-04-11 +0–0=1 +1.8
Dutch Team Competition - klasse 4 Round 8 2026-03-07 +0–1=0 -11.8
Dutch Team Competition - klasse 4 Round 6 2026-03-28 +1–0=0 +7.0
NK Snelschaak voor Clubteams 2025 2026-03-29 +8–6=0 +26.4
Dutch Team Competition - klasse 4 Round 7 2026-02-07 +0–0=1 -0.2
Chessfestival Groningen 2025 Open B 2025-12-21 +3–2=4 -0.8
Chessfestival Groningen Open B Sunday 21 December 2025 +3–2=4 -4.1
Chess Festival Groningen Vierkampen Saturday 21 December 2024 +2–1=0 +15.2
Hoogeveen Schaaktoernooi Amateur Ochtend Saturday 26 October 2024 +3–1=0 +12.3
Nazomervierkampentoernooi 2023 Schaakclub Assen Groep A Friday 25 August 2023 +1–2=0 -14.2
Chessable Open NK 2023 Reserve A Monday 24 July 2023 +2–2=3 -29.5
15e BPB Limburg Open 2023 Groep B Friday 26 May 2023 +5–2=0 +45.6

Rating History

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Peak Ratings

Classical 1960
Blitz 1955

Games

Wins 12
Losses 9
Draws 6
Win Rate 44%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 2 3 62%
Black 4 4 6 29%

All-time Games (from rating history)

Classical 185
Blitz 14

Recent Matches

Nijdam, B.j.b. (brian) (1988) 2026-04-11 DRAW +1.8
Spaans, L. (leonie) (1861) 2026-03-07 LOSS -11.8
Abma, K. (klaas) (1822) 2026-03-28 WIN +7.0
Markering, Martin (1926) 2026-03-29 LOSS -10.0
CM Moll, Arne (2190) 2026-03-29 WIN +16.4
CM Moll, Arne (2190) 2026-03-29 LOSS -3.6
Groenewoud, Joel (1975) 2026-03-29 LOSS -8.8
Singh, Harman (1749) 2026-03-29 WIN +5.2
Markering, Martin (1926) 2026-03-29 WIN +10.0
Groenewoud, Joel (1975) 2026-03-29 WIN +11.2
Singh, Harman (1749) 2026-03-29 WIN +5.2
Schoonackers, Jeroen (1940) 2026-03-29 LOSS -9.6
Elferink, Duncan (1740) 2026-03-29 WIN +5.0
CM Bruil, Rembrandt (2123) 2026-03-29 LOSS -5.0
Schoonackers, Jeroen (1940) 2026-03-29 WIN +10.4
Elferink, Duncan (1740) 2026-03-29 WIN +5.0
CM Bruil, Rembrandt (2123) 2026-03-29 LOSS -5.0
Ebels, T.f. (theo) (1924) 2026-02-07 DRAW -0.2
Jorritsma, Eli Alia (1796) 2025-12-21 LOSS -13.8
Dekker, Albert (1826) 2025-12-21 WIN +7.0
Timmer, Michel (1861) 2025-12-21 DRAW -2.2
Dijkstra, Edwin (1877) 2025-12-21 WIN +8.2
Haan, Gertjan (2033) 2025-12-21 DRAW +2.6
Huiskes, Mathijs (1984) 2025-12-21 LOSS -8.8
De Vries, Arjan (1865) 2025-12-21 DRAW -2.0
Schwenke, Stefan (1850) 2025-12-21 WIN +7.6
Zuiderweg, Edwin (1959) 2025-12-21 DRAW +0.6