KNSB FIDE
SV

Sem van Velzen

Rated since November 2025

2068 Classic
2068 Rapid
1854 Blitz

RIVALRY

Nemesis
Bouwhuis, S. (Simon)
Games: 3 · Win rate: 100%
Kryptonite
Westerop van, S. (Sebastiaan)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
NIELAND, G.W.H. (WIM) 1832
12993 KNSB competitie 2025-2026 Klasse 6 ronde 6 · Saturday 7 February 2026
HOFSTEE, P. (PIET) 1799
12682 SGA Competitie 2025-2026 3e Klasse B ronde 3 en 4 · Thursday 11 December 2025
HAVIK, G. (GILLES) 1770
12846 SGA Competitie 2025-2026 Bronzen Beker kwartfinale · Thursday 22 January 2026
HAAK, M. (MICHIEL) 1733
12795 SGA Competitie 2025-2026 3e Klasse B ronde 1 en 4 · Tuesday 13 January 2026
SPAAN, D. (DAVID) 1700
13078 SGA Competitie 2025-2026 3e Klasse B ronde 5 · Thursday 19 February 2026
Worst losses
WESTEROP VAN, S. (SEBASTIAAN) 1907
8573 KNSB competitie 2023-2024 Klasse 5 ronde 6 · Saturday 2 March 2024
No FIDE-rated tournaments found.
SGA Competitie 2025-2026 3e Klasse B ronde 5 Wednesday 1 October 2025 +1–0=0 +13.1
SGA Competitie 2025-2026 3e Klasse A ronde 4 Wednesday 1 October 2025 +1–0=0 +11.7
SGA Competitie 2025-2026 Bronzen Beker kwartfinale Wednesday 1 October 2025 +1–0=0
SGA Competitie 2025-2026 3e Klasse B ronde 1 en 4 Wednesday 1 October 2025 +1–0=0
SGA Competitie 2025-2026 3e Klasse B ronde 3 en 4 Wednesday 1 October 2025 +2–0=0
SGA Competitie 2025-2026 Bronzen Beker ronde 1 Wednesday 1 October 2025 +3–0=0
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +1–0=0 +25.2
KNSB competitie 2023-2024 Klasse 5 ronde 6 Saturday 16 September 2023 +0–3=0

Rating History

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Peak Ratings

Classic 2068 April 1, 2026
Rapid 2068 April 1, 2026
Blitz 2065 March 1, 2026

Games

Wins 10
Losses 3
Draws 0
Win Rate 77%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 0 0 100%
Black 6 0 3 67%

Recent Matches

Spaan, D. (David) (1700) Thursday 19 February 2026 WIN +13.1
Nieland, G.W.H. (Wim) (1832) Saturday 7 February 2026 WIN +25.2
Kerkhoff, F.C. (Frans) (1681) Monday 2 February 2026 WIN +11.7
Havik, G. (Gilles) (1770) Thursday 22 January 2026 WIN
Haak, M. (Michiel) (1733) Tuesday 13 January 2026 WIN
Hofstee, P. (Piet) (1799) Thursday 11 December 2025 WIN
Hofstee, P. (Piet) (1799) Thursday 11 December 2025 WIN
Bouwhuis, S. (Simon) (1578) Wednesday 22 October 2025 WIN
Bouwhuis, S. (Simon) (1578) Wednesday 22 October 2025 WIN
Bouwhuis, S. (Simon) (1578) Wednesday 22 October 2025 WIN
Westerop van, S. (Sebastiaan) (1907) Saturday 2 March 2024 LOSS
Westerop van, S. (Sebastiaan) (1907) Saturday 2 March 2024 LOSS
Westerop van, S. (Sebastiaan) (1907) Saturday 2 March 2024 LOSS