CG

Cees Grootjen

Rated since January 2023

1865 Classic
1848 Rapid
1848 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BEEMSTERBOER, A. (ANDRE) 1986
13489 NHSB-competitie 2025-2026 Klasse 1A t/m 05-04-2026 · Tuesday 31 March 2026
KOK, N. (NICO) 1983
10770 NHSB-competitie 2024-2025 Topklasse t/m 16-03-2025 · Tuesday 11 March 2025
KROON, T. (THEO) 1936
8505 NHSB-competitie 2023-2024 Klasse 2C t/m 23-02-2024 · Tuesday 13 February 2024
DIJKMAN, W. (WIM) 1786
8734 NHSB-competitie 2023-2024 Klasse 2C t/m 26-03-2024 · Tuesday 12 March 2024
BREURKES, R. (RICHARD) 1653
8177 NHSB-competitie 2023-2024 Klasse 2C t/m 26-12-2023 · Tuesday 28 November 2023
Worst losses
ROOS, G. (GERRIT) 1785
11890 NHSB-competitie 2025-2026 Klasse 1A t/m 26-09-2025 · Tuesday 23 September 2025
HEIJINK, R.C. (ROB) 1814
12340 NHSB-competitie 2025-2026 Klasse 1A t/m 16-11-2025 · Friday 14 November 2025
RIJS VAN, T. (TIM) 1881
9710 NHSB-competitie 2024-2025 Topklasse t/m 26-10-2024 · Thursday 26 September 2024
BUITINK, A.J. (BERT) 1921
13011 NHSB-competitie 2025-2026 Klasse 1A t/m 15-02-2026 · Tuesday 10 February 2026
ORY, J.P. (JEAN-PAUL) 1939
13279 NHSB-competitie 2025-2026 Klasse 1A t/m 15-03-2026 · Tuesday 10 March 2026
No FIDE-rated tournaments found.
NHSB-competitie 2025-2026 Klasse 1A t/m 05-04-2026 Monday 1 September 2025 +1–0=0 +16.8
NHSB-competitie 2025-2026 Klasse 1A t/m 15-03-2026 Monday 1 September 2025 +0–2=0 -19.4
NHSB-competitie 2025-2026 Klasse 1A t/m 15-02-2026 Monday 1 September 2025 +0–1=0 -10.7
NHSB-competitie 2025-2026 Klasse 1A t/m 16-11-2025 Monday 1 September 2025 +0–1=0 -14.9
NHSB-competitie 2025-2026 Klasse 1A t/m 19-10-2025 Monday 1 September 2025 +0–0=1 -0.1
NHSB-competitie 2025-2026 Klasse 1A t/m 26-09-2025 Monday 1 September 2025 +0–1=0 -16.4
NHSB-competitie 2024-2025 Topklasse t/m 27-04-2025 Sunday 1 September 2024 +0–1=0 -2.1
NHSB-competitie 2024-2025 Topklasse t/m 06-04-2025 Sunday 1 September 2024 +0–1=0 -5.3
NHSB-competitie 2024-2025 Topklasse t/m 16-03-2025 Sunday 1 September 2024 +1–0=0 +15.7
NHSB-competitie 2024-2025 Topklasse t/m 16-02-2025 Sunday 1 September 2024 +0–0=1 +4.2
NHSB-competitie 2024-2025 Topklasse t/m 12-01-2025 Sunday 1 September 2024 +0–0=1 +2.7
NHSB-competitie 2024-2025 Topklasse t/m 08-12-2024 Sunday 1 September 2024 +0–0=1 +2.8
NHSB-competitie 2024-2025 Topklasse t/m 26-10-2024 Sunday 1 September 2024 +0–1=1 -12.7
NHSB-competitie 2023-2024 Klasse 2C t/m 26-03-2024 Friday 1 September 2023 +1–0=0 +9.1
NHSB-competitie 2023-2024 Klasse 2C t/m 23-02-2024 Friday 1 September 2023 +1–0=0 +17.4
NHSB-competitie 2023-2024 Klasse 2C t/m 26-12-2023 Friday 1 September 2023 +1–0=0 +8.5
NHSB-competitie 2023-2024 Klasse 1A t/m november Friday 1 September 2023 +1–0=0 +5.7
NHSB-competitie 2023-2024 Klasse 2C t/m november Friday 1 September 2023 +0–0=1 +6.2
NHSB-competitie 2023-2024 Klasse 1A t/m oktober Friday 1 September 2023 +0–0=1 -0.9
NHSB-competitie 2023-2024 Klasse 2C t/m oktober Friday 1 September 2023 +0–0=1 +2.3
NHSB-competitie 2022-2023 Klasse 2B t/m maart Thursday 1 September 2022 +0–0=1 +0.6
NHSB-competitie 2022-2023 Topklasse t/m februari Thursday 1 September 2022 +0–0=1 +8.5
NHSB-competitie 2022-2023 Klasse 2B t/m februari Thursday 1 September 2022 +1–0=0 +8.9
NHSB-competitie 2022-2023 Topklasse t/m januari Thursday 1 September 2022 +0–0=1 +8.2

Rating History

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Peak Ratings

Classic 1907 April 1, 2025
Rapid 1858 March 1, 2026
Blitz 1858 March 1, 2026

Games

Wins 7
Losses 8
Draws 11
Win Rate 27%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 6 5 27%
Black 3 5 3 27%

Recent Matches

Beemsterboer, A. (Andre) (1986) Tuesday 31 March 2026 WIN +16.8
Ory, J.P. (Jean-Paul) (1939) Tuesday 10 March 2026 LOSS -9.7
Ory, J.P. (Jean-Paul) (1939) Tuesday 10 March 2026 LOSS -9.7
Buitink, A.J. (Bert) (1921) Tuesday 10 February 2026 LOSS -10.7
Heijink, R.C. (Rob) (1814) Friday 14 November 2025 LOSS -14.9
Geus de, F. (Frank) (1881) Tuesday 14 October 2025 DRAW -0.1
Roos, G. (Gerrit) (1785) Tuesday 23 September 2025 LOSS -16.4
FM Haver, B.A. (Bas) (2305) Tuesday 22 April 2025 LOSS -2.1
CM Boer de, B. (Bas) (2135) Tuesday 1 April 2025 LOSS -5.3
Kok, N. (Nico) (1983) Tuesday 11 March 2025 WIN +15.7
Havenaar, J. (Jan) (2010) Tuesday 11 February 2025 DRAW +4.2
Devolder, H. (Herwig) (1961) Tuesday 7 January 2025 DRAW +2.7
Hooijmans, M. (Max) (1962) Tuesday 3 December 2024 DRAW +2.8
Oosting, R. (Robert) (1902) Tuesday 15 October 2024 DRAW +0.3
Rijs van, T. (Tim) (1881) Thursday 26 September 2024 LOSS -13.0
Dijkman, W. (Wim) (1786) Tuesday 12 March 2024 WIN +9.1
Kroon, T. (Theo) (1936) Tuesday 13 February 2024 WIN +17.4
Breurkes, R. (Richard) (1653) Tuesday 28 November 2023 WIN +8.5
Weggemans, M. (Mitchell) (1556) Friday 10 November 2023 WIN +5.7
Paternotte, S. (Stephan) (1963) Monday 6 November 2023 DRAW +6.2