KNSB FIDE
BD

Bert Duijker

Rated since March 2026

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
SCHWAB, WOLFGANG 1875
22. RLP-Senioren-Open · Wednesday 20 August 2025
PEELEN, C. (CHARLES) 1845
12410 KNSB competitie 2025-2026 Klasse 5 Ronde 3 · Saturday 22 November 2025
BJORGVIK, JAN ARNE 1799
19. Offene Senioreneinzelmeisterschaft Schleswig-Holstein · Wednesday 8 October 2025
ANDRASCH, PETER 1773
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) · Saturday 7 February 2026
SCHWICHTENBERG, JUERGEN 1765
31. Bad Bertricher Schachtage 2025 Seniorenturnier over 50 · Sunday 20 July 2025
Worst losses
MEIJER, R. (RENÉ) 1734
12265 KNSB competitie 2025-2026 Klasse 5 ronde 2 · Saturday 1 November 2025
THIJSSEN, A.W. (TON) 1848
12594 KNSB competitie 2025-2026 Klasse 5 ronde 4 · Saturday 13 December 2025
KARPINSKI, HARALD 1911
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) · Wednesday 11 February 2026
BELLE VAN, G.W.T.M. (FRIE) 1942
11252 KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … · Saturday 10 May 2025
GRUSCHINSKI, RAINER 1988
31. Bad Bertricher Schachtage 2025 Seniorenturnier over 50 · Wednesday 23 July 2025
No FIDE-rated tournaments found.
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) Tuesday 3 February 2026 +3–2=4 +14.6
19. Offene Senioreneinzelmeisterschaft Schleswig-Holstein Thursday 2 October 2025 +3–3=2 -14.2
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +0–0=1 +1.4
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +0–0=1 -1.0
KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +0–1=0 -13.9
KNSB competitie 2025-2026 Klasse 5 Ronde 3 Saturday 20 September 2025 +1–0=0 +10.3
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +0–1=0 -18.3
22. RLP-Senioren-Open Tuesday 12 August 2025 +3–3=2 +14.7
31. Bad Bertricher Schachtage 2025 Seniorenturnier over 50 Friday 18 July 2025 +2–2=5 +15.6
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +0–1=0 -10.7

Rating History

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Peak Ratings

Classic 1888 April 1, 2026
Rapid 1888 May 1, 2026
Blitz 1888 May 1, 2026

Games

Wins 12
Losses 13
Draws 15
Win Rate 30%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 9 6 35%
Black 4 6 7 24%

Recent Matches

Visee, R.C. (Rein) (1912) Saturday 28 March 2026 DRAW +1.4
Lever, M.M. (Marcel) (1845) Saturday 7 March 2026 DRAW -1.0
Boettger, Bernd (1653) Thursday 12 February 2026 WIN +5.5
Karpinski, Harald (1911) Wednesday 11 February 2026 LOSS -11.2
Jurkatis, Hagen (1952) Tuesday 10 February 2026 DRAW +2.7
Poetke, Dan-Peter (1977) Monday 9 February 2026 DRAW +3.6
Andrasch, Peter (1773) Saturday 7 February 2026 WIN +9.1
Knops, Peter (2003) Friday 6 February 2026 LOSS -8.1
Sebastian, Martin (1945) Thursday 5 February 2026 DRAW +2.5
Weiss, Christian (2043) Wednesday 4 February 2026 DRAW +5.6
Schacht, Thomas (1630) Tuesday 3 February 2026 WIN +4.9
Thijssen, A.W. (Ton) (1848) Saturday 13 December 2025 LOSS -13.9
Peelen, C. (Charles) (1845) Saturday 22 November 2025 WIN +10.3
Meijer, R. (René) (1734) Saturday 1 November 2025 LOSS -18.3
Gollasch, Theo-Heinz (2019) Thursday 9 October 2025 LOSS -8.8
Bjorgvik, Jan Arne (1799) Wednesday 8 October 2025 WIN +8.8
Fitzke, Ulrich (1835) Tuesday 7 October 2025 DRAW -2.6
Wilke, Wolfgang (1773) Monday 6 October 2025 DRAW -4.6
Fehr, A. (Axel) (2014) Sunday 5 October 2025 LOSS -8.9
Schroeder, Harm (1749) Saturday 4 October 2025 WIN +7.2