BK

Bernard Keizer

Rated since January 2023

1745 Classic
1781 Rapid
1747 Blitz

Team Competition

Current teams
De Donger 1
1e klasse B · 2025-2026 · 1 game
De Donger 2
2e klasse A · 2025-2026 · 5 games
Past teams
De Donger 2
2e klasse A · 2024-2025
6 games
De Donger
Beker · 2023-2024
1 game
De Donger 1
Eerste klasse A · 2023-2024
2 games
De Donger 2
Eerste klasse A · 2023-2024
6 games
De Donger 1
Klasse 1A · 2022-2023
1 game
De Donger 2
Klasse 1A · 2022-2023
5 games
De Donger 1
Hoofdklasse · 2021-2022
1 game
De Donger 2
Klasse 2A · 2021-2022
6 games

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
KOLTHOF, M. (MARK) 1853
12009 FSB-competitie 2025-2026 ronde 2 2e klasse · Tuesday 4 November 2025
EIJK VAN, S.G. (SIEM) 1774
12014 FSB-competitie 2025-2026 ronde 3 2e klasse · Monday 24 November 2025
SINIA, S.A. (SJOUKE ATZE) 1697
13825 De Donger interne competitie 2025-2026 ronde 13-26 · Tuesday 13 January 2026
WIERSMA, G. (GOSSE) 1653
13825 De Donger interne competitie 2025-2026 ronde 13-26 · Tuesday 31 March 2026
DIJKSTRA, R. (RENS) 1622
12662 De Donger interne competitie 2025-2026 RONDE 1-12 ronde 1-12 · Tuesday 2 December 2025
Worst losses
WIERSMA, G. (GOSSE) 1653
13825 De Donger interne competitie 2025-2026 ronde 13-26 · Tuesday 6 January 2026
JONG DE, W. (WIEBE) 1689
12662 De Donger interne competitie 2025-2026 RONDE 1-12 ronde 1-12 · Tuesday 23 September 2025
VELTMAN, S. (STEFAN) 1713
12030 FSB-competitie 2025-2026 ronde 7 2e klasse · Tuesday 14 April 2026
VROOM, B. (BAUKE) 1830
12662 De Donger interne competitie 2025-2026 RONDE 1-12 ronde 1-12 · Tuesday 14 October 2025
HOEKSTRA, S. (SJOERD) 1899
12022 FSB-competitie 2025-2026 ronde 5 2e klasse · Monday 9 February 2026
No FIDE-rated tournaments found.
De Donger interne competitie 2025-2026 ronde 13-26 Tuesday 9 September 2025 +3–1=5 +12.1
De Donger interne competitie 2025-2026 RONDE 1-12 ronde 1-12 Tuesday 9 September 2025 +2–3=2 -16.2
FSB-competitie 2025-2026 ronde 7 2e klasse Monday 1 September 2025 +0–1=0 -13.7
FSB-competitie 2025-2026 ronde 5 2e klasse Monday 1 September 2025 +0–1=0 -7.7
FSB-competitie 2025-2026 ronde 4 1e klasse Monday 1 September 2025 +0–0=1 -5.2
FSB-competitie 2025-2026 ronde 3 2e klasse Monday 1 September 2025 +1–0=0 +13.4
FSB-competitie 2025-2026 ronde 2 2e klasse Monday 1 September 2025 +1–0=0 +16.1

Rating History

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Peak Ratings

Classic 1798 Jan. 1, 2025
Rapid 1781 April 1, 2025
Blitz 1747 March 1, 2026

Games

Wins 7
Losses 6
Draws 8
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 3 5 20%
Black 5 5 1 45%

Recent Matches

Veltman, S. (Stefan) (1713) Tuesday 14 April 2026 LOSS -13.7
Kammen van, P. (Pieter) (1764) Tuesday 7 April 2026 DRAW +0.6
Wiersma, G. (Gosse) (1653) Tuesday 31 March 2026 WIN +9.3
Meindersma, T. (Theo) (1776) Tuesday 24 March 2026 DRAW +1.0
Jellema, C.J. (Cris Jolmer) (1858) Tuesday 24 February 2026 DRAW +3.5
Hoekstra, S. (Sjoerd) (1899) Monday 9 February 2026 LOSS -7.7
Visser, J. (Jos) (1707) Tuesday 3 February 2026 DRAW -1.7
Sinia, R. (Riemer Roelof) (1511) Tuesday 27 January 2026 WIN +4.9
Sinia, S.A. (Sjouke Atze) (1697) Tuesday 13 January 2026 WIN +10.5
Wiersma, G. (Gosse) (1653) Tuesday 6 January 2026 LOSS -16.0
Meindersma, T. (Theo) Tuesday 23 December 2025 DRAW
Schoenmaker, G.S. (Gerrit) (1608) Tuesday 16 December 2025 DRAW -5.2
Dijkstra, R. (Rens) (1622) Tuesday 2 December 2025 WIN +7.8
Eijk van, S.G. (Siem) (1774) Monday 24 November 2025 WIN +13.4
Folbert, M. (Mark) (1926) Tuesday 11 November 2025 LOSS -6.6
Kolthof, M. (Mark) (1853) Tuesday 4 November 2025 WIN +16.1
Visser, H.B. (Hein Bauke) (1694) Tuesday 21 October 2025 DRAW -2.2
Vroom, B. (Bauke) (1830) Tuesday 14 October 2025 LOSS -10.0
Jong de, W. (Wiebe) (1689) Tuesday 23 September 2025 LOSS -14.9
Sinia, S.A. (Sjouke Atze) (1697) Tuesday 16 September 2025 WIN +10.4