KNSB FIDE
SB

Sake Jan de Boer

Rated since January 2023

1700 Classic
1700 Rapid
1700 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
VERHOEFF, T.J. (TIMARDI) 1871
10780 27e HZ University of Applied Sciences Schaaktoernooi Groep A · Sunday 3 August 2025
HUIJBREGTSE, W.J. (WIM) 1807
10780 27e HZ University of Applied Sciences Schaaktoernooi Groep A · Thursday 7 August 2025
MICHELS, NIKLAS 1627
11257 17e BPB Limburg Open 2025 Groep C · Saturday 7 June 2025
STOLZENWALD, FRANK 1601
grenke Chess Open 2025 B-Open · Friday 18 April 2025
Worst losses
BAIR, MARC 1793
11257 17e BPB Limburg Open 2025 Groep C · Saturday 7 June 2025
HOTWANI, R. (RAHUL) 1816
10780 27e HZ University of Applied Sciences Schaaktoernooi Groep A · Sunday 3 August 2025
POEL VAN DE, J. (JONA) 1835
10780 27e HZ University of Applied Sciences Schaaktoernooi Groep A · Saturday 9 August 2025
SCHUURMANS, F.W.L. (FRANK) 1874
13248 KNSB competitie 2025-2026 Klasse 5 ronde 7 · Saturday 7 March 2026
GESTEL VAN, S. (SJEF) 1885
10780 27e HZ University of Applied Sciences Schaaktoernooi Groep A · Monday 4 August 2025
27e HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 2 August 2025 +2–5=2 +7.6
17e BPB Limburg Open 2025 Groep C Friday 6 June 2025 +1–1=3 -3.3
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +0–1=0 -6.0
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +0–1=0 -7.2
KNSB competitie 2025-2026 KNSB Beker ronde 1 voor december rating Saturday 20 September 2025 +0–1=0 -5.2
KNSB competitie 2025-2026 Klasse 5 ronde 1 Saturday 20 September 2025 +0–0=1 +1.6
grenke Chess Open 2025 B-Open Thursday 17 April 2025 +1–1=0 +2.2

Rating History

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Peak Ratings

Classic 1718 Nov. 1, 2025
Rapid 1713 March 1, 2026
Blitz 1713 March 1, 2026

Games

Wins 4
Losses 10
Draws 6
Win Rate 20%

Performance by Color

Color Wins Draws Losses Win Rate
White 1 2 4 14%
Black 3 4 6 23%

Recent Matches

Velzen van, M. (Martin) (1915) Saturday 28 March 2026 LOSS -6.0
Schuurmans, F.W.L. (Frank) (1874) Saturday 7 March 2026 LOSS -7.2
Griendt van de, W.B. (Wouter) (1952) Sunday 2 November 2025 LOSS -5.2
Vos, W.P. (Wiert) (1763) Saturday 4 October 2025 DRAW +1.6
Poel van de, J. (Jona) (1835) Saturday 9 August 2025 LOSS -8.2
Lee, J.B. (Jungbin) (1931) Friday 8 August 2025 LOSS -5.4
Huijbregtse, W.J. (Wim) (1807) Thursday 7 August 2025 WIN +15.9
Veldhuijsen, K. (Klaas) (1836) Wednesday 6 August 2025 DRAW +4.3
Vliek, D.W. (Dick) (1788) Tuesday 5 August 2025 DRAW +2.8
Gestel van, S. (Sjef) (1885) Monday 4 August 2025 LOSS -6.7
Verhoeff, T.J. (Timardi) (1871) Sunday 3 August 2025 WIN +17.9
Hotwani, R. (Rahul) (1816) Sunday 3 August 2025 LOSS -8.8
Westerweele, H. (Henrik) (1986) Saturday 2 August 2025 LOSS -4.1
Patil, N. (Neev) (1745) Sunday 8 June 2025 DRAW +1.2
Heeres, F.C. (Felix) (1610) Sunday 8 June 2025 DRAW -1.7
Bair, Marc (1793) Saturday 7 June 2025 LOSS -9.7
Michels, Niklas (1627) Saturday 7 June 2025 WIN +9.6
Bleus, Axel (1632) Friday 6 June 2025 DRAW -2.7
Stolzenwald, Frank (1601) Friday 18 April 2025 WIN +8.8
Wietschorke, Jens (1887) Thursday 17 April 2025 LOSS -6.7