Bar Blitz KNSB FIDE
DD

Derk Dekker

Rated since January 2023

1992 Classic
1956 Rapid
1956 Blitz
Derk's accounts
FIDE KNSB

Team Competition

Current team
Schaakhuis 1
Klasse 4F · 2025-2026 · 7 games
Past teams
Schaakhuis 1
Klasse 4F · 2024-2025
2 games
Schaakhuis 1
Klasse 3D · 2023-2024
4 games
Schaakhuis 1
Hoofdklasse · 2022-2023
1 game
Schaakhuis 1
Klasse 3E · 2022-2023
6 games
Schaakhuis 1
klasse 1A · 2021-2022
1 game
Schaakhuis 1
Klasse 3E · 2021-2022
7 games

The good & the bad

Best wins
Brandt, B. (Benjamin) 1983
13528 KNSB competitie 2025-2026 Klasse 4 ronde 9 · Saturday 11 April 2026
Spannring, P. (Peter) 1935
12409 KNSB competitie 2025-2026 Klasse 4 Ronde 4 · Saturday 22 November 2025
Mohamedjoesoef, R. (Rafiek) 1926
11232 Chessfestival Groningen Vierkampen Groep A · Monday 22 December 2025
Beijen, M. (Mark) 1923
11993 KNSB competitie 2025-2026 Klasse 4 ronde 2 · Saturday 4 October 2025
Hennink, A. (Aldo) 1818
13314 KNSB competitie 2025-2026 Klasse 4 ronde 6 · Saturday 28 March 2026
Worst losses
Berg van der, B. (Bas) 1974
12440 HSB competitie 2025-2026 November beker H · Tuesday 4 November 2025
Westerveld, W.J. (Wim) (CM) 1998
12991 KNSB competitie 2025-2026 Klasse 4 ronde 7 · Saturday 7 February 2026
Broersma, S. (Sven) 2021
11232 Chessfestival Groningen Vierkampen Groep A · Wednesday 24 December 2025
Birg, A. (Andrey) 2058
11252 KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … · Saturday 10 May 2025
Icelandic Team Chess Championship 2025-26 - 2nd league Rounds 5-7 Saturday 7 March 2026 +2–0=0 +12.5
Icelandic Team Chess Championship 2025-26 - 4th league Rounds 5-7 Saturday 7 March 2026 +0–0=1 +10.0
Chessfestival Groningen Vierkampen Groep A Monday 22 December 2025 +1–1=1 -0.6
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +1–0=0 +13.4
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +1–0=0 +8.1
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–1=0 -11.1
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +1–0=0 +11.5
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–0=1 -1.9
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +1–0=0 +11.5
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +1–0=0 +8.1
HSB competitie 2025-2026 November beker H Monday 1 September 2025 +0–1=0 -12.1
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +0–1=0 -8.9

Rating History

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Peak Ratings

Classic 1992 May 1, 2026
Rapid 1956 May 1, 2026
Blitz 1956 May 1, 2026

Games

Wins 8
Losses 4
Draws 3
Win Rate 53%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 3 2 1 50%
Black 5 1 3 56%

Recent KNSB Matches

Brandt, B. (Benjamin) (1983) Saturday 11 April 2026 WIN +13.4
Hennink, A. (Aldo) (1818) Saturday 28 March 2026 WIN +8.1
Jonsson, Thormar (1719) Sunday 8 March 2026 WIN +5.3
Gunnarsson, Helgi Petur (1787) Saturday 7 March 2026 WIN +7.2
FM Sigfusson, Sigurdur (2312) Saturday 7 March 2026 DRAW +10.0
CM Westerveld, W.J. (Wim) (1998) Saturday 7 February 2026 LOSS -11.1
Broersma, S. (Sven) (2021) Wednesday 24 December 2025 LOSS -10.4
Vennix, T. (Tom) (1915) Tuesday 23 December 2025 DRAW -1.6
Mohamedjoesoef, R. (Rafiek) (1926) Monday 22 December 2025 WIN +11.3
Spannring, P. (Peter) (1935) Saturday 22 November 2025 WIN +11.5
Berg van der, B. (Bas) (1974) Tuesday 4 November 2025 LOSS -12.1
Marincic, O. (Olivier) (1907) Saturday 1 November 2025 DRAW -1.9
Beijen, M. (Mark) (1923) Saturday 4 October 2025 WIN +11.5
Boittin, P. (Pascal) (1812) Saturday 20 September 2025 WIN +8.1
Birg, A. (Andrey) (2058) Saturday 10 May 2025 LOSS -8.9