KNSB FIDE
SR

Sjoerd van Roosmalen

Rated since January 2023

2062 Classic
2074 Rapid
2076 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
DOMMELEN VAN, M.W. (MARTIN) 2216
12989 KNSB competitie 2025-2026 Klasse 2 ronde 7 · Saturday 7 February 2026
BUS, T.G. (TOM) (CM) 2125
5997 OSBO Cup 2022/2023 Groep A · Thursday 27 April 2023
SCHALIJ, F.D. (FRITS) 2035
12407 KNSB competitie 2025-2026 Klasse 2 Ronde 4 · Saturday 22 November 2025
KOSSEN, J. (JOHANNES) 2011
8570 KNSB competitie 2023-2024 Klasse 2 ronde 7 · Saturday 2 March 2024
BROUWER, J. (JOEY) 2006
11689 Open NK Schaken 2025 Zesrondig 1 · Tuesday 22 July 2025
Worst losses
HUISKES, M. (MATHIJS) 1958
11689 Open NK Schaken 2025 Zesrondig 1 · Sunday 27 July 2025
GOUW, C.P.T.H. (CAROL-PETER) 1998
11689 Open NK Schaken 2025 Zesrondig 1 · Saturday 26 July 2025
HAAST, K.M.C. (KOEN) 2028
13526 KNSB competitie 2025-2026 Klasse 2 ronde 9 · Saturday 11 April 2026
JONG DE, M. (MATHIJS) 2050
9948 KNSB competitie 2024-2025 Klasse 2 ronde 4 · Saturday 23 November 2024
PLASMAN, J.A. (HANS) 2115
9797 KNSB competitie 2024-2025 Klasse 2 ronde 3 · Saturday 9 November 2024
Open NK Schaken 2025 Zesrondig 1 Tuesday 22 July 2025 +2–2=2 -24.8
KNSB competitie 2025-2026 Klasse 2 ronde 9 Saturday 20 September 2025 +0–1=0 -14.2
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +0–2=0 -23.0
KNSB competitie 2025-2026 Klasse 2 ronde 7 Saturday 20 September 2025 +2–0=0 +34.7
KNSB competitie 2025-2026 Klasse 2 ronde 5 Saturday 20 September 2025 +0–1=0 -7.2
KNSB competitie 2025-2026 Klasse 2 Ronde 4 Saturday 20 September 2025 +1–0=0 +11.4
KNSB competitie 2025-2026 Klasse 2 ronde 2 Saturday 20 September 2025 +0–0=1 -2.8
KNSB competitie 2025-2026 Klasse 2 ronde 1 Saturday 20 September 2025 +0–0=1 -4.5
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +7.4
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–0=1 -6.3
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +0–0=1 -5.1
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–0=1 +1.8
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–1=0 -14.3
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +0–1=0 -12.2
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +0–1=0 -4.3
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–0=1 +2.1
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +0–0=1 +4.6
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +1–0=0 +8.6
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +0–0=1 +0.3
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +0–1=0 -6.7
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +0–0=1 -3.8
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +0–0=1 -4.6
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +0–0=1 +2.8
OSBO Cup 2022/2023 Groep A Tuesday 6 December 2022 +3–0=1 +19.4
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +0–0=1 -1.6
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +1–0=0 +2.2
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +1–0=0 +4.2
KNSB competitie 2022-2023 Klasse 3 ronde 6 Saturday 17 September 2022 +0–0=1 -5.3
KNSB competitie 2022-2023 Klasse 3 ronde 5 Saturday 17 September 2022 +0–0=1 -5.2
KNSB competitie 2022-2023 Klasse 3 ronde 4 Saturday 17 September 2022 +1–0=0 +3.6
SOS Competitie 2022/2023 April 2023(HK) Monday 12 September 2022 +0–1=0 -10.5
SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +0–0=1 +2.1
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–0=1 -1.7
SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +1–0=0 +5.3
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +0–0=1 -1.6

Rating History

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Peak Ratings

Classic 2133 Oct. 1, 2023
Rapid 2088 March 1, 2026
Blitz 2088 March 1, 2026

Games

Wins 14
Losses 11
Draws 20
Win Rate 31%

Performance by Color

Color Wins Draws Losses Win Rate
White 7 7 7 33%
Black 7 13 4 29%

Recent Matches

Haast, K.M.C. (Koen) (2028) Saturday 11 April 2026 LOSS -14.2
Gool van, R. (Rudi) (2116) Saturday 28 March 2026 LOSS -11.5
Gool van, R. (Rudi) (2116) Saturday 28 March 2026 LOSS -11.5
Dommelen van, M.W. (Martin) (2216) Saturday 7 February 2026 WIN +17.4
Dommelen van, M.W. (Martin) (2216) Saturday 7 February 2026 WIN +17.4
FM Retera, J.J.C.M. (Joost) (2239) Saturday 13 December 2025 LOSS -7.2
Schalij, F.D. (Frits) (2035) Saturday 22 November 2025 WIN +11.4
Graauw de, S. (Simon) (1903) Saturday 4 October 2025 DRAW -2.8
Seip, R. (Rien) (1941) Saturday 20 September 2025 DRAW -4.5
Huiskes, M. (Mathijs) (1958) Sunday 27 July 2025 LOSS -17.2
Gouw, C.P.T.H. (Carol-Peter) (1998) Saturday 26 July 2025 LOSS -16.0
Rutten, B.A. (Bram) (1984) Friday 25 July 2025 DRAW -3.9
Koning, M.D.O. (Milan) (1951) Thursday 24 July 2025 DRAW -4.9
Drenthen, A. (Arjan) (1964) Wednesday 23 July 2025 WIN +8.0
Brouwer, J. (Joey) (2006) Tuesday 22 July 2025 WIN +9.3
Buijse, A. (Arjan) (1939) Saturday 10 May 2025 WIN +7.4
Hoop de, S. (Sipke) (1902) Saturday 5 April 2025 DRAW -6.3
Brandt, T. (Thorsten) (1949) Saturday 8 February 2025 DRAW -5.1
WFM Clopés Llahi, J. (Judit) (2152) Saturday 14 December 2024 DRAW +1.8
Jong de, M. (Mathijs) (2050) Saturday 23 November 2024 LOSS -14.3