KNSB FIDE
BD

Bert Duijker

Rated since January 2023

1877 Classic
1888 Rapid
1888 Blitz

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
42. OBSenEM (Offene Berliner Senioren-Einzel-Meisterschaft) Tuesday 3 February 2026 +3–2=4 +14.6
Chess Classics 2026 75 plus Wednesday 27 May 2026 +2–2=5 -10.8
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

Team Competition

Current team
Veenendaal 2
Klasse 5D · 2025-2026 · 5 games
Past teams
ASV 4
Klasse 4G · 2024-2025
ASV 5
Klasse 4B · 2024-2025
ASV 4
Klasse 4B · 2023-2024
ASV 4
Klasse 3B · 2022-2023
Veenendaal 1
2B · 2022-2023
ASV 3
Klasse 3C · 2021-2022
ASV 4
Klasse 4C · 2021-2022
Veenendaal 1
1D · 2021-2022
Veenendaalse S.V. 1
HKB · 2019-2020
Veenendaalse S.V. 1
HKC · 2018-2019

Rating History

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Peak Ratings

Classic 1909 Oct. 1, 2025
Rapid 1888 May 1, 2026
Blitz 1888 May 1, 2026

Games

Wins 14
Losses 15
Draws 20
Win Rate 29%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 11 8 30%
Black 6 9 7 27%

Recent Matches

Jacob, B. (Barbara) (1800) Thursday 4 June 2026 DRAW -3.0
Vasiljev, Jurij (2006) Wednesday 3 June 2026 LOSS -8.5
Taube, Hubertus (2033) Tuesday 2 June 2026 LOSS -7.7
Brahn, Helmut (1732) Monday 1 June 2026 WIN +7.3
Bieberle, G. (Gerhart) (1947) Sunday 31 May 2026 DRAW +2.0
IM Salov, S. (Sergej) (2177) Saturday 30 May 2026 DRAW +8.6
Jovi, Klaus (1603) Friday 29 May 2026 WIN +4.0
Kurpiela, Franz (1776) Thursday 28 May 2026 DRAW -3.8
Wang, Huanying (1539) Wednesday 27 May 2026 DRAW -9.7
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