KNSB FIDE
CK

Coen de Kooker

Rated since January 2023

1442 Classic
1442 Rapid
1419 Blitz

RIVALRY

Nemesis
Heidema, J. (Johan)
Games: 3 · Win rate: 67%
Kryptonite
Spaapen, M. (Fons)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
NIGTEN, R. (RICHARD) 1587
13357 S.V. De Uil interne competitie 02-03-2026 t/m 23-03-2026 (090054) · Monday 2 March 2026
GRIFFIOEN, M. (MARCEL) 1428
13560 S.V. De Uil interne competitie 30-03-2026 t/m 20-04-2026 (090054) · Monday 13 April 2026
HEIDEMA, J. (JOHAN) 1396
12661 S.V. De Uil interne competitie 01-12-2025 t/m 22-12-2025 (090054) · Monday 1 December 2025
SAASE VAN, W.H. (WIM) 1296
12661 S.V. De Uil interne competitie 01-12-2025 t/m 22-12-2025 (090054) · Monday 22 December 2025
Worst losses
GRIFFIOEN, M. (MARCEL) 1447
12513 De Uil Interne 2025-2026 AdR Groep A · Monday 17 November 2025
REZK, FERRIS 1499
10471 Tata Steel Chess Tournament 2026 Weekendvierkampem · Friday 16 January 2026
NIGTEN, R. (RICHARD) 1583
12928 De Uil interne 2025 - 2026 ronde 17-20 Groep A · Monday 26 January 2026
PLOMP, J.N. (JAN) 1604
13357 S.V. De Uil interne competitie 02-03-2026 t/m 23-03-2026 (090054) · Monday 9 March 2026
BROUWER, R. (ROB) 1622
13127 S.V. De Uil interne competitie 26-01-2026 t/m 23-02-2026 (090054) · Monday 9 February 2026
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +0–2=0 -10.4
De Uil interne 2025 - 2026 ronde 17-20 Groep A Monday 5 January 2026 +0–3=1 -13.3
De Uil Interne 2025-2026 AdR Groep A Monday 3 November 2025 +0–3=1 -19.4
S.V. De Uil interne competitie 30-03-2026 t/m 20-04-2026 (090054) Monday 1 September 2025 +2–0=0 +23.1
S.V. De Uil interne competitie 02-03-2026 t/m 23-03-2026 (090054) Monday 1 September 2025 +1–1=1 +15.6
S.V. De Uil interne competitie 26-01-2026 t/m 23-02-2026 (090054) Monday 1 September 2025 +0–2=1 -10.3
S.V. De Uil interne competitie 01-12-2025 t/m 22-12-2025 (090054) Monday 1 September 2025 +2–1=1 +13.2
S.V. De Uil interne competitie 29-09-2025 t/m 27-10-2025 (090054) Monday 1 September 2025 +0–2=2 -7.7
S.V. De Uil interne competitie 01-09-2025 t/m 22-09-2025 (090054) Monday 1 September 2025 +0–0=2 -6.5
DE Uil interne 2023- 2024 De Uil ABC 2024-2025 rondes 8 tm 10 Tuesday 1 April 2025 +0–3=0 -25.5
DE Uil interne 2023- 2024 De Uil ABC 2024-2025 rondes 11 tm 13 Monday 4 September 2023 +0–1=0 -5.0

Rating History

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Peak Ratings

Classic 1541 Nov. 1, 2024
Rapid 1442 May 1, 2026
Blitz 1419 April 1, 2026

Games

Wins 5
Losses 18
Draws 9
Win Rate 16%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 5 8 19%
Black 2 4 10 12%

Recent Matches

Heidema, J. (Johan) (1356) Monday 20 April 2026 WIN +10.3
Griffioen, M. (Marcel) (1428) Monday 13 April 2026 WIN +12.8
Spaapen, M. (Fons) (1494) Monday 23 March 2026 DRAW +3.1
Plomp, J.N. (Jan) (1604) Monday 9 March 2026 LOSS -6.0
Nigten, R. (Richard) (1587) Monday 2 March 2026 WIN +18.5
Scheepmaker, J. (Jan) (1376) Monday 23 February 2026 DRAW -1.3
Bakel van, P.J.M. (Peter) (1739) Monday 16 February 2026 LOSS -3.2
Brouwer, R. (Rob) (1622) Monday 9 February 2026 LOSS -5.8
Nigten, R. (Richard) (1583) Monday 26 January 2026 LOSS -7.6
Redeker, P. (Pim) (1678) Monday 19 January 2026 LOSS -5.0
Wolff van der, B. (Bart) Sunday 18 January 2026 LOSS
Rezk, Ferris (1499) Friday 16 January 2026 LOSS -10.4
Spaapen, M. (Fons) (1493) Monday 12 January 2026 DRAW +1.9
Zambouridis, M. (Moanes) (1670) Monday 5 January 2026 LOSS -2.6
Saase van, W.H. (Wim) (1296) Monday 22 December 2025 WIN +8.2
Linden van der, R. (Ron) (1642) Monday 15 December 2025 LOSS -5.6
Scheepmaker, J. (Jan) (1398) Monday 8 December 2025 DRAW -0.9
Heidema, J. (Johan) (1396) Monday 1 December 2025 WIN +11.5
Plomp, J.N. (Jan) (1615) Monday 24 November 2025 LOSS -6.8
Griffioen, M. (Marcel) (1447) Monday 17 November 2025 LOSS -12.4