KNSB FIDE
JK

Jos Kooiker

Rated since January 2023

1880 Classic

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
GIESKE, J.H. (HAN) 1925
6610 SGA Competitie 2022-2023 1e Klasse A ronde 5 · Monday 20 February 2023
SERDIJN, A.M. (ADINDA) 1904
8282 Tata Steel Chess Tournament 2025 Dagvierkampen · Monday 20 January 2025
WINNUBST, P. (PAUL) 1871
9630 SGA Competitie 2024-2025 1e Klasse A ronde 1 · Thursday 3 October 2024
BAUTISTA, K.C. (KEITH) 1807
13431 SGA Competitie 2025-2026 1e Klasse A ronde 5 en 6 · Thursday 26 March 2026
OOSTERLAKEN, S. (SJAAK) 1774
7620 Tata Steel Chess Tournament 2024 Tienkampen · Tuesday 23 January 2024
Worst losses
VISSCHEDIJK, T.H. (THEO) 1776
7620 Tata Steel Chess Tournament 2024 Tienkampen · Saturday 20 January 2024
BUSKERMOLEN, G.C.N. (GERARD) 1810
6207 SGA Competitie 2022-2023 1e Klasse A ronde 3 · Thursday 1 December 2022
VEEN VAN DER, M. (MARTEN) 1827
7002 SGA Competitie 2022-2023 1e Klasse A ronde 5 en 7 · Thursday 6 April 2023
OLIEMANS, C. (COR) 1833
7620 Tata Steel Chess Tournament 2024 Tienkampen · Friday 19 January 2024
MERUMA, A.J. (ARIE) 1839
8282 Tata Steel Chess Tournament 2025 Dagvierkampen · Tuesday 21 January 2025
Tata Steel Chess Tournament 2025 Dagvierkampen Friday 17 January 2025 +1–1=1 -2.5
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +2–2=5 -20.7
SGA Competitie 2025-2026 1e Klasse A ronde 5 en 6 Wednesday 1 October 2025 +2–0=0 +20.6
SGA Competitie 2025-2026 1e Klasse A ronde 4 en 5 Wednesday 1 October 2025 +0–1=0 -9.6
SGA Competitie 2025-2026 1e Klasse A ronde 2 en 3 Wednesday 1 October 2025 +0–0=1 -1.9
SGA Competitie 2024-2025 1e Klasse A ronde 6 en 7 Monday 30 September 2024 +1–1=0 -5.1
SGA Competitie 2024-2025 1e Klasse A ronde 5 en 6 Monday 30 September 2024 +0–1=0 -14.0
SGA Competitie 2024-2025 1e Klasse A ronde 4 Monday 30 September 2024 +0–0=1 -4.1
SGA Competitie 2024-2025 1e Klasse A ronde 3 Monday 30 September 2024 +0–0=1 -1.5
SGA Competitie 2024-2025 1e Klasse A ronde 1 Monday 30 September 2024 +1–0=0 +11.6
SGA Competitie 2023-2024 1e Klasse B ronde 6 en 7 Sunday 1 October 2023 +1–0=0
SGA Competitie 2023-2024 1e Klasse B ronde 5 Sunday 1 October 2023 +0–1=0 -14.4
SGA Competitie 2023-2024 1e Klasse B ronde 2 Sunday 1 October 2023 +1–0=0 +8.9
SGA Competitie 2023-2024 1e Klasse B ronde 1 Sunday 1 October 2023 +1–0=0 +9.5
SGA Competitie 2022-2023 1e Klasse A ronde 5 en 7 Saturday 1 October 2022 +0–1=0 -13.9
SGA Competitie 2022-2023 1e Klasse A ronde 6 Saturday 1 October 2022 +0–1=0 -10.3
SGA Competitie 2022-2023 1e Klasse A ronde 5 Saturday 1 October 2022 +1–0=0 +14.7
SGA Competitie 2022-2023 1e Klasse A ronde 4 Saturday 1 October 2022 +0–1=0 -10.3
SGA Competitie 2022-2023 1e Klasse A ronde 3 Saturday 1 October 2022 +0–1=0 -15.2

Rating History

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Peak Ratings

Classic 1911 March 1, 2024
Rapid 1880 May 1, 2026
Blitz 1880 May 1, 2026

Games

Wins 11
Losses 11
Draws 9
Win Rate 35%

Performance by Color

Color Wins Draws Losses Win Rate
White 6 4 5 40%
Black 5 5 6 31%

Recent Matches

Bautista, K.C. (Keith) (1807) Thursday 26 March 2026 WIN +10.3
Bautista, K.C. (Keith) (1807) Thursday 26 March 2026 WIN +10.3
Velpen van der, F. (Frank) (1964) Wednesday 18 February 2026 LOSS -9.6
Veltheer, D.J. (Douwe-Jan) (1827) Wednesday 26 November 2025 DRAW -1.9
Waardt van, W. (Wouter) (1669) Thursday 24 April 2025 WIN +5.6
Cruyff, R. (Raf) (1941) Thursday 3 April 2025 LOSS -10.6
Hof van 't, G. (Gert) (1857) Thursday 27 February 2025 LOSS -14.0
Sanderse, G. (Gerard) (1909) Wednesday 22 January 2025 DRAW +0.0
Meruma, A.J. (Arie) (1839) Tuesday 21 January 2025 LOSS -14.9
Serdijn, A.M. (Adinda) (1904) Monday 20 January 2025 WIN +12.4
Dielhoff, H.J. (Johan) (1786) Monday 6 January 2025 DRAW -4.1
Boer de, J. (Jan) (1866) Thursday 28 November 2024 DRAW -1.5
Winnubst, P. (Paul) (1871) Thursday 3 October 2024 WIN +11.6
Vermeulen, N. (Niels) Monday 25 March 2024 WIN
Manuri, B.P. (Budi) (1855) Thursday 7 March 2024 LOSS -14.4
Keesman, H.S. (Henk) (1829) Sunday 28 January 2024 DRAW -1.5
Groen, C. (Cor) (1748) Saturday 27 January 2024 DRAW -4.2
Ploder, Udo (1890) Friday 26 January 2024 DRAW +0.6
Jorritsma, S. (Stefan) (1748) Wednesday 24 January 2024 DRAW -4.2
Oosterlaken, S. (Sjaak) (1774) Tuesday 23 January 2024 WIN +9.1