KNSB FIDE
JK

Joop Kooijman

Rated since January 2023

1762 Classic
1735 Rapid
1728 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
NOORDIJK, E.M. (ED) 1811
13636 LeiSB regionale competitie 25-26 1e klasse april · Wednesday 22 April 2026
ALVARES, E.F.S. (ERIC) 1788
10706 KNSB competitie 2024-2025 Klasse 6 ronde 6 · Saturday 8 March 2025
BIRGINIA, J.J.E. (JADEN) 1705
13636 LeiSB regionale competitie 25-26 1e klasse april · Thursday 26 March 2026
STEVENSE, G. (GIOVANNI) 1672
8694 Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-03 · Tuesday 12 March 2024
FALK, W. (WINFRIED) 1644
8879 Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-04 · Wednesday 3 April 2024
Worst losses
BEEN, K. (KLAAS) 1453
Tournament 20231210513 · Monday 11 December 2023
SCHOONMAN, I.M. (IVO) 1770
12155 LeiSB regionale competitie 25-26 1e klasse oktober · Friday 17 October 2025
KLAAUW VAN DER, S. (SEBASTIAAN) 1781
10551 LeiSB competitie 2024-2025 1e 23-1 22-1 · Thursday 20 February 2025
HOOGENBOOM, J.J. (JAN) 1786
12850 LeiSB regionale competitie 25-26 1e klasse januari 2026 · Tuesday 6 January 2026
JONG DE, M. (MAARTEN) 1795
9744 LeiSB competitie 2024-2025 1 28-10-24-11 · Friday 22 November 2024
No FIDE-rated tournaments found.
LeiSB regionale competitie 25-26 1e klasse april Wednesday 1 October 2025 +2–0=0 +26.8
LeiSB regionale competitie 25-26 1e klasse maart Wednesday 1 October 2025 +2–0=0 +12.8
LeiSB regionale competitie 25-26 3e klasse A maart Wednesday 1 October 2025 +0–0=2 +5.6
LeiSB regionale competitie 25-26 1e klasse januari 2026 Wednesday 1 October 2025 +0–1=0 -10.8
LeiSB regionale competitie 25-26 1e klasse oktober Wednesday 1 October 2025 +0–1=0 -12.1
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +0–0=2 -7.3
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–0=2 +3.7
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–0=1 +1.6
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -10.5
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0 +5.8
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +0–1=0 -8.9
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +0–0=1 +4.3
LeiSB competitie 2024-2025 1e 23-1 22-1 Monday 7 October 2024 +0–1=0 -11.7
LeiSB competitie 2024-2025 1e 19-12 22-1 Monday 7 October 2024 +0–1=0 -10.8
LeiSB competitie 2024-2025 1 28-10-24-11 Monday 7 October 2024 +0–1=0 -12.2
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–1=0 -1.5
KNSB competitie 2024-2025 Klasse 6 ronde 6 Saturday 21 September 2024 +1–0=0 +14.0
KNSB competitie 2024-2025 Klasse 6 ronde 5 Saturday 21 September 2024 +1–0=0
KNSB competitie 2024-2025 Klasse 6 ronde 2 Saturday 21 September 2024 +0–1=0 -5.8
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-04 Sunday 8 October 2023 +1–0=0 +7.6
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse 2024-03 Sunday 8 October 2023 +1–0=1 +7.9
KNSB competitie 2023-2024 Klasse 6 ronde 7 Saturday 16 September 2023 +1–0=0 +5.4
KNSB competitie 2023-2024 Klasse 6 ronde 6 Saturday 16 September 2023 +1–0=0 +7.1
KNSB competitie 2023-2024 Klasse 6 ronde 5 Saturday 16 September 2023 +0–0=1 +1.6
KNSB competitie 2023-2024 Klasse 6 ronde 4 Saturday 16 September 2023 +1–0=0 +6.8
KNSB competitie 2023-2024 Klasse 6 ronde 2 Saturday 16 September 2023 +0–1=0 -6.3
KNSB competitie 2023-2024 Klasse 6 ronde 1 Saturday 16 September 2023 +0–0=1 -3.4
Regionale competitie LeiSB 2022-2023 1e Klasse mei 2023 Saturday 1 October 2022 +1–0=0 +8.2
KNSB competitie 2022-2023 Klasse 6 ronde 6 Saturday 17 September 2022 +0–0=1 -5.7
KNSB competitie 2022-2023 Klasse 6 ronde 5 Saturday 17 September 2022 +1–0=0 +1.1
KNSB competitie 2022-2023 Klasse 6 ronde 4 Saturday 17 September 2022 +1–0=0 +10.3
KNSB competitie 2022-2023 Klasse 6 ronde 3 Saturday 17 September 2022 +0–0=1 -1.8
Tournament 20240510024 +0–1=0 -11.7
Tournament 20231210513 +0–1=1 -20.0

Rating History

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Peak Ratings

Classic 1798 May 1, 2024
Rapid 1735 May 1, 2026
Blitz 1728 March 1, 2026

Games

Wins 15
Losses 12
Draws 14
Win Rate 37%

Performance by Color

Color Wins Draws Losses Win Rate
White 12 9 5 46%
Black 3 5 7 20%

Recent Matches

Noordijk, E.M. (Ed) (1811) Wednesday 22 April 2026 WIN +15.1
Stam, M. (Mick) (1621) Saturday 28 March 2026 DRAW -3.7
Stam, M. (Mick) (1621) Saturday 28 March 2026 DRAW -3.7
Birginia, J.J.E. (Jaden) (1705) Thursday 26 March 2026 WIN +11.7
Lawton, C. (Christopher) (1540) Wednesday 11 March 2026 WIN +6.4
Lawton, C. (Christopher) (1540) Wednesday 11 March 2026 WIN +6.4
Peper, J.P.C. (Jeroen) (1781) Saturday 7 March 2026 DRAW +1.8
Peper, J.P.C. (Jeroen) (1781) Saturday 7 March 2026 DRAW +1.8
Bos, E. (Evert) (1809) Wednesday 4 March 2026 DRAW +2.8
Bos, E. (Evert) (1809) Wednesday 4 March 2026 DRAW +2.8
Swart, D.W. (Dirk-Willem) (1772) Saturday 7 February 2026 DRAW +1.6
Hoogenboom, J.J. (Jan) (1786) Tuesday 6 January 2026 LOSS -10.8
Tjin a Lien, I.T.L. (Ike) (1805) Saturday 13 December 2025 LOSS -10.5
Arafat, S.A. (Serina) (1542) Saturday 22 November 2025 WIN +5.8
Regeer, P.A. (Paul) (1857) Saturday 1 November 2025 LOSS -8.9
Schoonman, I.M. (Ivo) (1770) Friday 17 October 2025 LOSS -12.1
Neering, P. (Paul) (1885) Saturday 4 October 2025 DRAW +4.3
Teianu, S. (Sabin) (2099) Saturday 5 April 2025 LOSS -1.5
Alvares, E.F.S. (Eric) (1788) Saturday 8 March 2025 WIN +14.0
Klaauw van der, S. (Sebastiaan) (1781) Thursday 20 February 2025 LOSS -11.7