Bar Blitz KNSB FIDE
DD

Derk Dekker

Rated since December 2015

1987 Classical
1918 Rapid
Derk's accounts
FIDE KNSB

The good & the bad

Best wins
Brandt, B. (benjamin) 1994
Dutch Team Competition - klasse 4 Round 9 · 2026-04-11
Mohamedjoesoef, Rafiek 1941
Chessfestival Groningen 2025 Vierkampen · 2025-12-22
Gunnarsson, Helgi Petur 1784
Icelandic Team Chess Championship 2025-26 - 2nd league Rounds 5-7 · 2026-03-07
Jonsson, Thormar 1717
Icelandic Team Chess Championship 2025-26 - 2nd league Rounds 5-7 · 2026-03-07
Worst losses
Broersma, Sven 1956
Chessfestival Groningen 2025 Vierkampen · 2025-12-22
Westerveld, W.j. (wim) (CM) 2088
Dutch Team Competition - klasse 4 Round 7 · 2026-02-07

FIDE Tournaments

Dutch Team Competition - klasse 4 Round 9 standard 2026-04-11 +1–0=0 +10.6
Icelandic Team Chess Championship 2025-26 - 2nd league Rounds 5-7 standard 2026-03-07 +2–0=0 +9.4
Icelandic Team Chess Championship 2025-26 - 4th league Rounds 5-7 standard 2026-03-07 +0–0=1 +7.8
Dutch Team Competition - klasse 4 Round 7 standard 2026-02-07 +0–1=0 -6.6
Chessfestival Groningen 2025 Vierkampen standard 2025-12-22 +1–1=1 -1.2
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

Rating History

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Peak Ratings

Classical 1987
Rapid 1939

Games (recent periods)

Wins 4
Losses 2
Draws 2
Win Rate 50%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 1 2 1 25%
Black 3 0 1 75%

All-time Games (from rating history)

Classical 93
Rapid 13
Blitz 0

Recent Matches

Brandt, B. (benjamin) (1994) 2026-04-11 WIN +10.6
Gunnarsson, Helgi Petur (1784) 2026-03-07 WIN +5.4
Jonsson, Thormar (1717) 2026-03-07 WIN +4.0
FM Sigfusson, Sigurdur (2312) 2026-03-07 DRAW +7.8
CM Westerveld, W.j. (wim) (2088) 2026-02-07 LOSS -6.6
Mohamedjoesoef, Rafiek (1941) 2025-12-22 WIN +9.2
Vennix, Tom (1964) 2025-12-22 DRAW 0.0
Broersma, Sven (1956) 2025-12-22 LOSS -10.4