KNSB FIDE
SK

Stephan Kooiman

Rated since January 2023

1935 Classic
1941 Rapid
1941 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
WOESTENBURG, J. (JOCHEM) 2021
11250 KNSB competitie 2024-2025 Klasse 2 ronde 9 · Saturday 10 May 2025
MILORT, G. (GERARD) 2017
11165 HSB competitie 2024-2025 Beker april · Monday 7 April 2025
CHEUNG, Y.W. (JAN) 2005
10865 HSB competitie 2024-2025 Maart comp · Monday 10 March 2025
GREEVENBOSCH, C. (KEES) 1875
10071 KNSB competitie 2024-2025 Klasse 4 ronde 5 · Saturday 14 December 2024
BOLLE, L. (LEO) 1865
8146 HSB competitie 2023-2024 December 2023 · Tuesday 19 December 2023
Worst losses
BROEKHUIZEN, T. (TOM) 1638
7536 HSB competitie 2023-2024 Groep A · Monday 2 October 2023
RANDIC, P. (PETRA) 1853
6717 HSB competitie 2022-2023 HSB competitie 2022-2023 deel 5 · Monday 13 February 2023
GHOSH, S. (SWARNANGSHU) 1873
12439 HSB competitie 2025-2026 November comp · Monday 24 November 2025
AGARWAL, P. (PRANAV) 1884
10495 KNSB competitie 2024-2025 Klasse 4 ronde 6 · Saturday 8 February 2025
ASLAN, C. (CAGLA YAREN) 1908
10326 HSB competitie 2024-2025 HSB competitie 2024-2025 Januari · Monday 13 January 2025
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 2 ronde 9 Saturday 20 September 2025 +0–1=0 -10.3
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +0–2=0 -14.7
KNSB competitie 2025-2026 Klasse 2 ronde 2 Saturday 20 September 2025 +0–0=1 +1.5
HSB competitie 2025-2026 April2026 Monday 1 September 2025 +1–0=0 +4.0
HSB competitie 2025-2026 CompMrt2026 Monday 1 September 2025 +2–0=0 +18.8
HSB competitie 2025-2026 November comp Monday 1 September 2025 +0–2=0 -24.8
HSB competitie 2025-2026 October 2025 Monday 1 September 2025 +0–0=1 -0.7
HSB competitie 2025-2026 September 2025 Monday 1 September 2025 +0–1=0 -15.4
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +16.5
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +1–0=0 +8.0
KNSB competitie 2024-2025 Klasse 4 ronde 6 Saturday 21 September 2024 +0–1=0 -7.7
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +1–0=0 +15.5
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +0–1=0 -10.3
HSB competitie 2024-2025 Comp april Sunday 1 September 2024 +1–0=0 +9.5
HSB competitie 2024-2025 Beker april Sunday 1 September 2024 +1–0=0 +17.7
HSB competitie 2024-2025 Maart comp Sunday 1 September 2024 +2–0=0 +31.1
HSB competitie 2024-2025 CompFeb2025 Sunday 1 September 2024 +1–0=0 +10.5
HSB competitie 2024-2025 HSB competitie 2024-2025 Januari Sunday 1 September 2024 +0–1=0 -15.2
HSB competitie 2024-2025 CompNovember2024 Sunday 1 September 2024 +1–0=0 +14.1
HSB competitie 2024-2025 Groep A Sunday 1 September 2024 +1–0=0 +13.4
HSB competitie 2023-2024 Competitie april Monday 18 September 2023 +1–0=0 +13.4
HSB competitie 2023-2024 Competitie maart Monday 18 September 2023 +1–0=1 +16.6
HSB competitie 2023-2024 HSB Competitie 2023-2024 Januari en Februari Monday 18 September 2023 +0–1=0 -5.9
HSB competitie 2023-2024 December 2023 Monday 18 September 2023 +1–0=0 +23.3
HSB competitie 2023-2024 competitie ronde Monday 18 September 2023 +0–0=1 -8.7
HSB competitie 2023-2024 Groep A Monday 18 September 2023 +0–1=0 -22.1
KNSB competitie 2023-2024 Klasse 4 ronde 2 Saturday 16 September 2023 +1–0=0 +19.9
KNSB competitie 2022-2023 Klasse 4 ronde 4 Saturday 17 September 2022 +0–1=0 -5.5
HSB competitie 2022-2023 HSB competitie 2022-2023 ronde 6 en 7 Monday 29 August 2022 +1–0=0 +12.6
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 5 Monday 29 August 2022 +0–1=1 -12.7
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 4 Monday 29 August 2022 +1–0=0 +10.5

Rating History

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Peak Ratings

Classic 1978 June 1, 2025
Rapid 1941 May 1, 2026
Blitz 1941 April 1, 2026

Games

Wins 19
Losses 13
Draws 5
Win Rate 51%

Performance by Color

Color Wins Draws Losses Win Rate
White 13 1 7 62%
Black 6 4 6 38%

Recent Matches

Coers, E.F. (Frans) (1644) Tuesday 21 April 2026 WIN +4.0
Daamen, R. (Roland) (2024) Saturday 11 April 2026 LOSS -10.3
Dam van, T. (Thijs) (2112) Saturday 28 March 2026 LOSS -7.4
Dam van, T. (Thijs) (2112) Saturday 28 March 2026 LOSS -7.4
Tzanis, A. (Armantos) (1828) Monday 16 March 2026 WIN +9.4
Tzanis, A. (Armantos) (1828) Monday 16 March 2026 WIN +9.4
Ghosh, S. (Swarnangshu) (1873) Monday 24 November 2025 LOSS -17.1
Hommes, E. (Elmar) (2131) Tuesday 4 November 2025 LOSS -7.7
Ramak, V.I. (Vince) (2001) Saturday 4 October 2025 DRAW +1.5
Smit de, R. (Rudi) (1961) Monday 29 September 2025 DRAW -0.7
Bajnath, D. (Dhanesh) (1945) Tuesday 16 September 2025 LOSS -15.4
Woestenburg, J. (Jochem) (2021) Saturday 10 May 2025 WIN +16.5
Kuhling, Y. (Yvo) (1807) Wednesday 23 April 2025 WIN +9.5
Milort, G. (Gerard) (2017) Monday 7 April 2025 WIN +17.7
Evenhuis, W. (Wybe) (1821) Monday 24 March 2025 WIN +11.8
Cheung, Y.W. (Jan) (2005) Monday 10 March 2025 WIN +19.3
Romano Tuncel, E. (Erez) (1720) Saturday 8 March 2025 WIN +8.0
Agarwal, P. (Pranav) (1884) Saturday 8 February 2025 LOSS -7.7
Westerink, R.V. (Roelof) (1780) Thursday 6 February 2025 WIN +10.5
Aslan, C. (Cagla Yaren) (1908) Monday 13 January 2025 LOSS -15.2