KNSB FIDE
CS

Colin Stolwijk

Rated since January 2023

2288 Classic
2272 Rapid

RIVALRY

Nemesis
Ochtman, H.W. (Henk)
Games: 3 · Win rate: 67%
Kryptonite
Grutter, T.J. (Tim)
Games: 3 · Win rate: 0%
Easy Target
Smits, M. (Mark)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
PIJPERS, A. (ARTHUR) (IM) 2460
11262 NK kwalificatie Groep A · Sunday 25 May 2025
OOSTEROM VAN, C.D. (CHIEL) (IM) 2416
13244 KNSB competitie 2025-2026 Klasse 1 ronde 8 · Saturday 7 March 2026
BASELMANS, L. (LUUK) (FM) 2357
8281 Tata Steel Chess Tournament 2025 Tienkampen · Friday 24 January 2025
VEDDER, H.R. (HENK) (IM) 2345
10767 Spakenburgs Vis-toernooi Groep A · Saturday 12 April 2025
BEKKER, S. (STEFAN) (FM) 2333
10075 WSSK 2025 Open Westlands SnelSchaak Kampioenschap Groep A · Saturday 11 January 2025
Worst losses
SMID, J. (JELLE) 1982
8016 83e Noteboomtoernooi Groep A · Saturday 17 February 2024
APON, H. (IWAHN) 1987
11247 Open NK Rapid 2025 Open NK Rapid · Saturday 3 May 2025
EMANS, J.J. (JOB) 2010
7014 KNSB competitie 2022-2023 Klasse 2 ronde 9 · Saturday 22 April 2023
ORANJE, R. (RICHARD) 2025
10075 WSSK 2025 Open Westlands SnelSchaak Kampioenschap Groep A · Saturday 11 January 2025
GROENEWOUD, J.J.R. (JOEL) 2030
8016 83e Noteboomtoernooi Groep A · Saturday 17 February 2024
Open Dordrecht Rapidtoernooi Open Dordrecht Saturday 28 February 2026 +6–2=1 -0.2
85e Daniel Noteboomtoernooi Groep A Friday 20 February 2026 +4–0=4 -4.8
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +0–1=2 -14.0
Amsterdam Chess Open Groep A Friday 24 October 2025 +3–1=1 +16.8
Oscar Romero Open Hoorns Kampioenschap 2025 + PK NHSB Groep A Friday 22 August 2025 +3–1=1 +3.8
HSG Open 2025 Groep A Friday 20 June 2025 +3–1=1 +1.8
Open NK Rapid 2025 Open NK Rapid Saturday 3 May 2025 +6–2=1 -0.4
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +4–1=3 +35.6
Amsterdam Chess Open Groep A Friday 1 November 2024 +2–0=2 +11.4
Amsterdam Science Park Chess Tournament Groep A Saturday 13 July 2024 +2–1=5 -21.9
HSG Open 2024 Groep A Friday 21 June 2024 +3–1=1 +5.2
Tata Steel Chess Tournament 2024 Weekendvierkampen Friday 12 January 2024 +2–0=1 +13.0
Amsterdam Chess Open Groep A Friday 27 October 2023 +3–2=0 +3.8
HSG Open 2023 Groep A Friday 23 June 2023 +2–0=3 -3.9
Tata Steel Chess Tournament 2023 Weekendvierkampen Friday 13 January 2023 +2–1=0 +5.5
Schaken op de Dijk Groep A Saturday 8 November 2025 +5–2=0 -9.8
38e VOGES RAPID SCHAAKTOERNOOI Hoofdgroep Saturday 11 October 2025 +4–2=1 +2.7
46e Nico Dekker Chrysantentoernooi Hoofdgroep Saturday 27 September 2025 +4–2=1 +0.5
KNSB competitie 2025-2026 Klasse 1 ronde 9 Saturday 20 September 2025 +0–1=0 -8.9
KNSB competitie 2025-2026 Klasse 1 ronde 6 Saturday 20 September 2025 +0–0=1 +2.8
KNSB competitie 2025-2026 Klasse 1 ronde 8 Saturday 20 September 2025 +1–0=0 +10.8
KNSB competitie 2025-2026 Klasse 1 ronde 7 Saturday 20 September 2025 +2–0=0 +12.4
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor januari rating Saturday 20 September 2025 +1–0=0 +4.2
KNSB competitie 2025-2026 Klasse 1 ronde 5 Saturday 20 September 2025 +1–0=0 +5.9
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Saturday 20 September 2025 +1–0=0 +9.2
KNSB competitie 2025-2026 Klasse 1 ronde 3 Saturday 20 September 2025 +1–0=0 +4.9
KNSB competitie 2025-2026 Klasse 1 ronde 2 Saturday 20 September 2025 +1–0=0 +8.0
KNSB competitie 2025-2026 Klasse 1 ronde 1 Saturday 20 September 2025 +1–0=0 +9.5
Open Kampioenschap Gouda 2025 Groep A Saturday 6 September 2025 +2–0=5 +31.2
Rapidtoernooi bij het Open NK Groep A Saturday 26 July 2025 +5–1=1 -3.5
NK kwalificatie Groep A Saturday 24 May 2025 +3–8=2 -35.2
IV OPEN CHESS MENORCA GRUPO A Tuesday 22 April 2025 +2–3=4 -31.6
Spakenburgs Vis-toernooi Groep A Saturday 12 April 2025 +5–0=2 +41.3
Dertiende Erasmus rapidtoernooi Groep A Saturday 15 February 2025 +5–1=1 +4.1
WSSK 2025 Open Westlands SnelSchaak Kampioenschap Groep A Saturday 11 January 2025 +6–3=2 -23.8
KNSB competitie 2024-2025 Klasse 1 ronde 9 Saturday 21 September 2024 +0–1=0 -9.3
KNSB competitie 2024-2025 Klasse 1 ronde 8 Saturday 21 September 2024 +0–0=1 -0.2
KNSB competitie 2024-2025 Klasse 1 ronde 7 Saturday 21 September 2024 +0–1=0 -11.6
KNSB competitie 2024-2025 Klasse 1 ronde 6 Saturday 21 September 2024 +0–0=1 -1.5
KNSB competitie 2024-2025 KNSB Beker ronde 2 voor januarilijst Saturday 21 September 2024 +0–1=0 -2.4
KNSB competitie 2024-2025 Klasse 1 ronde 5 Saturday 21 September 2024 +0–0=1 -2.0
KNSB competitie 2024-2025 Klasse 1 ronde 4 Saturday 21 September 2024 +1–0=0 +2.5
KNSB competitie 2024-2025 Klasse 1 ronde 3 Saturday 21 September 2024 +0–1=0 -7.5
KNSB competitie 2024-2025 Klasse 1 ronde 2 Saturday 21 September 2024 +1–0=0 +7.7
KNSB competitie 2024-2025 Klasse 1 ronde 1 Saturday 21 September 2024 +0–1=0 -5.9
NHSB-competitie 2024-2025 Goud t/m 23-02-2025 Sunday 1 September 2024 +1–0=0 +5.7
NHSB-competitie 2024-2025 Goud t/m 15-12-2024 Sunday 1 September 2024 +1–0=0 +4.6
Oscar Romero Open Hoorns Kampioenschap 2024 + PK NHSB Groep A Friday 30 August 2024 +2–0=3 +6.6
83e Noteboomtoernooi Groep A Friday 16 February 2024 +2–3=0 -25.4
2. Internationales Bruehler Open 2024 A-Turnier Friday 2 February 2024 +3–1=1 +5.1
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +1–0=0 +2.6
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +0–0=1 +1.3
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–1=0 -10.4
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +0–0=1 -1.8
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +1–0=0 +8.1
KNSB competitie 2023-2024 Klasse 2 ronde 3 Saturday 16 September 2023 +0–1=0 -8.8
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +0–1=0 -8.0
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +1–0=0 +3.2
82e Noteboomtoernooi Groep A Friday 24 February 2023 +3–2=0 +3.3
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +0–1=0 -13.6
KNSB competitie 2022-2023 Klasse 2 ronde 8 Saturday 17 September 2022 +1–0=0 +9.5
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +1–0=0 +5.5
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +1–0=0 +7.0
KNSB competitie 2022-2023 Klasse 2 ronde 5 Saturday 17 September 2022 +0–1=0 -9.2
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +0–0=1 +2.5
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +0–1=0 -11.6

Rating History

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Peak Ratings

Classic 2297 April 1, 2026
Rapid 2286 May 1, 2025
Blitz 2217 Feb. 1, 2025

Games

Wins 115
Losses 54
Draws 56
Win Rate 51%

Performance by Color

Color Wins Draws Losses Win Rate
White 52 33 30 45%
Black 63 23 24 57%

Recent Matches

Bakker, J.M. (Jouke) (2235) Saturday 11 April 2026 LOSS -8.9
GM Nijboer, F.Z. (Friso) (2412) Saturday 28 March 2026 DRAW +2.8
IM Oosterom van, C.D. (Chiel) (2416) Saturday 7 March 2026 WIN +10.8
Bakija, A. (Alan) (2107) Saturday 28 February 2026 WIN +4.6
Slagboom, A.J. (Arno) (1886) Saturday 28 February 2026 WIN +1.5
GM Hamitevici, Vladimir (2379) Saturday 28 February 2026 LOSS -5.8
Lalkota, S.P.T. (Sai Pranav Tejas) (1923) Saturday 28 February 2026 WIN +1.8
IM Lopez, J.J. (Jasel Justo) (2375) Saturday 28 February 2026 LOSS -5.9
Bekkink, S. (Seréyo) (2102) Saturday 28 February 2026 WIN +4.5
Leij van der, A. (Arjan) (2079) Saturday 28 February 2026 DRAW -4.1
Wierenga, L.R.M. (Luuk) (2002) Saturday 28 February 2026 WIN +2.8
Hobe, C.A. (Ton) (1704) Saturday 28 February 2026 WIN +0.4
Ochtman, H.W. (Henk) (2079) Sunday 22 February 2026 WIN +3.9
Sosef, N.S. (Noah) (1947) Sunday 22 February 2026 DRAW -6.1
Ochtman, H.W. (Henk) (2079) Sunday 22 February 2026 WIN +3.9
Sosef, N.S. (Noah) (1947) Sunday 22 February 2026 DRAW -6.1
Thijssen, F.H. (Freek) (2119) Saturday 21 February 2026 DRAW -3.4
Thijssen, F.H. (Freek) (2119) Saturday 21 February 2026 DRAW -3.4
Uddin, A.T. (Ahnaf) (2037) Friday 20 February 2026 WIN +3.2
Uddin, A.T. (Ahnaf) (2037) Friday 20 February 2026 WIN +3.2