JK

Jeffrey Klaassen

Rated since March 2026

1855 Classic
1855 Rapid
1855 Blitz

RIVALRY

Nemesis
Ligtenberg, B. (Bas)
Games: 3 · Win rate: 0%
Easy Target
Ermes, M. (Marc)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
ERMES, M. (MARC) 1727
12598 S.V. De Baronie interne competitie 02-02-2026 t/m 23-02-2026 (170007) · Monday 9 February 2026
DIELISSEN, G.J.M. (GERJOS) 1665
12598 S.V. De Baronie interne competitie 02-02-2026 t/m 23-02-2026 (170007) · Monday 2 February 2026
BONDAR, K.P.V. (KONSTANTIN) 1598
12599 S.V. De Baronie interne competitie 02-03-2026 t/m 23-03-2026 (170007) · Monday 9 March 2026
Worst losses
BOEREN, P. (PAUL) 1776
12599 S.V. De Baronie interne competitie 02-03-2026 t/m 23-03-2026 (170007) · Monday 16 March 2026
No FIDE-rated tournaments found.
S.V. De Baronie interne competitie 02-03-2026 t/m 23-03-2026 (170007) Monday 8 September 2025 +1–1=0
S.V. De Baronie interne competitie 02-02-2026 t/m 23-02-2026 (170007) Monday 8 September 2025 +6–0=3

Rating History

Loading rating history...

Peak Ratings

Classic 1989 March 1, 2026
Rapid 1855 April 1, 2026
Blitz 1855 April 1, 2026

Games

Wins 7
Losses 1
Draws 3
Win Rate 64%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 0 1 80%
Black 3 3 0 50%

Recent Matches

Boeren, P. (Paul) (1776) Monday 16 March 2026 LOSS
Bondar, K.P.V. (Konstantin) (1598) Monday 9 March 2026 WIN
Ligtenberg, B. (Bas) (1739) Monday 23 February 2026 DRAW
Ligtenberg, B. (Bas) (1739) Monday 23 February 2026 DRAW
Ligtenberg, B. (Bas) (1739) Monday 23 February 2026 DRAW
Ermes, M. (Marc) (1727) Monday 9 February 2026 WIN
Ermes, M. (Marc) (1727) Monday 9 February 2026 WIN
Ermes, M. (Marc) (1727) Monday 9 February 2026 WIN
Dielissen, G.J.M. (Gerjos) (1665) Monday 2 February 2026 WIN
Dielissen, G.J.M. (Gerjos) (1665) Monday 2 February 2026 WIN
Dielissen, G.J.M. (Gerjos) (1665) Monday 2 February 2026 WIN