KNSB FIDE
SH

Sebastiaan Hiemstra

Rated since March 2026

1962 Classic
1962 Rapid
1962 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
NAAIJER, M. (MARTIJN) 2021
13351 OSBO-Cup 2025/2026 per 18 maart · Tuesday 24 February 2026
WISSINK, S. (SANDER) 2011
12051 SOS competitie 2025/2026 Lijst 1 Nov · Tuesday 30 September 2025
KLUIJFHOUT, A.A. (ANTHON) 1913
13074 OSBO-Cup 2025/2026 Februari 2026 · Thursday 29 January 2026
VAESSEN, D. (DION) 1856
12775 SOS competitie 2025/2026 Lijst 1 mrt · Tuesday 3 February 2026
BURGSTEDEN VAN, D.W. (DANIEL) 1845
12052 SOS competitie 2025/2026 Lijst 1 Dec · Thursday 6 November 2025
Worst losses
INGEN VAN, C.I. (COR) 1859
9654 SOS Competitie 2024/2025 2025-05 · Tuesday 20 May 2025
DOKTER, K. (KASPER) 1914
12774 SOS competitie 2025/2026 Lijst 1 feb · Tuesday 13 January 2026
OOREBEEK, E. (ERWIN) 2162
12471 SOS competitie 2025/2026 Lijst 1 jan · Tuesday 25 November 2025
No FIDE-rated tournaments found.
OSBO-Cup 2025/2026 26 maart tm finaledag Monday 1 December 2025 +0–0=1 +3.5
OSBO-Cup 2025/2026 per 18 maart Monday 1 December 2025 +1–0=0 +15.9
OSBO-Cup 2025/2026 Februari 2026 Monday 1 December 2025 +1–0=0 +11.5
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +0–0=1 +1.4
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +1–0=0 +2.1
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +1–0=0 +10.2
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–1=0 -13.4
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–1=0 -5.2
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +1–0=0 +9.5
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +1–0=0 +15.8
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–1=0 -15.0

Rating History

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Peak Ratings

Classic 1962 April 1, 2026
Rapid 1962 April 1, 2026
Blitz 1962 April 1, 2026

Games

Wins 6
Losses 3
Draws 2
Win Rate 55%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 0 2 50%
Black 4 2 1 57%

Recent Matches

Bohemen van, C. (Cees) (2002) Tuesday 14 April 2026 DRAW +1.4
Wissink, S. (Sander) (2046) Tuesday 31 March 2026 DRAW +3.5
Bruin de, N. (Nico) (1552) Monday 16 March 2026 WIN +2.1
Naaijer, M. (Martijn) (2021) Tuesday 24 February 2026 WIN +15.9
Vaessen, D. (Dion) (1856) Tuesday 3 February 2026 WIN +10.2
Kluijfhout, A.A. (Anthon) (1913) Thursday 29 January 2026 WIN +11.5
Dokter, K. (Kasper) (1914) Tuesday 13 January 2026 LOSS -13.4
Oorebeek, E. (Erwin) (2162) Tuesday 25 November 2025 LOSS -5.2
Burgsteden van, D.W. (Daniel) (1845) Thursday 6 November 2025 WIN +9.5
Wissink, S. (Sander) (2011) Tuesday 30 September 2025 WIN +15.8
Ingen van, C.I. (Cor) (1859) Tuesday 20 May 2025 LOSS -15.0