KNSB FIDE
BD

Bert Duijker

Rated since January 2008

1884 Classical
1925 Rapid

The good & the bad

Best wins
ANDRASCH, PETER 1773
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) · 2026-02-03
BOETTGER, BERND 1653
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) · 2026-02-03
SCHACHT, THOMAS 1630
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) · 2026-02-03
Worst losses
KARPINSKI, HARALD 1911
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) · 2026-02-03
KNOPS, PETER 2003
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) · 2026-02-03

FIDE Tournaments

Dutch Team Competition - klasse 5 Round 7 2026-03-07 +0–0=1 -3.0
Dutch Team Competition - klasse 5 Round 5 2026-03-28 +0–0=1 +2.2
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) 2026-02-03 +3–2=4 +11.4

Rating History

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Peak Ratings

Classical 1937
Rapid 1925

Games

Wins 3
Losses 2
Draws 6
Win Rate 27%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 3 0 50%
Black 0 3 2 0%

All-time Games (from rating history)

Classical 665
Rapid 9

Recent Matches

Lever, M.m. (marcel) (1772) 2026-03-07 DRAW -3.0
Visee, R.c. (rein) (1963) 2026-03-28 DRAW +2.2
Schacht, Thomas (1630) 2026-02-03 WIN +4.0
Weiss, Christian (2043) 2026-02-03 DRAW +4.4
Sebastian, Martin (1945) 2026-02-03 DRAW +2.0
Knops, Peter (2003) 2026-02-03 LOSS -6.6
Andrasch, Peter (1773) 2026-02-03 WIN +7.2
Poetke, Dan-Peter (1977) 2026-02-03 DRAW +2.8
Jurkatis, Hagen (1952) 2026-02-03 DRAW +2.2
Karpinski, Harald (1911) 2026-02-03 LOSS -9.0
Boettger, Bernd (1653) 2026-02-03 WIN +4.4