Bar Blitz KNSB FIDE
WK

Wisse Klaassen

Rated since April 2023

1726 Classic
1646 Rapid
1769 Blitz
Wisse's accounts
FIDE KNSB

Team Competition

Current teams
Heerenveen 3
2e klasse C · 2025-2026 · 4 games
Heerenveen 4
3e klasse B · 2025-2026 · 1 game
Past teams
Heerenveen 3
2e klasse C · 2024-2025
1 game
Heerenveen 4
3e klasse B · 2024-2025
2 games
Heerenveen 3
Derde klasse · 2023-2024
1 game

RIVALRY

Nemesis
Derks, M. (Mark)
Games: 4 · Win rate: 0%
Kryptonite
Lapka, P. (Pawel)
Games: 4 · Win rate: 0%
Easy Target
Oppenhuizen, W.G. (Wiebe)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
Knobbe, E. (Elise) 1985
11398 FK Snelschaken 2025 Groep A · Friday 16 May 2025
Siblesz, J.T. (Tjeerd) 1964
12691 S.C. Heerenveen interne competitie 01-12-2025 t/m 01-12-2025 (010012) · Monday 1 December 2025
Zijlstra, J. (Jasper) 1905
13689 FK Snelschaak 2026 Groep A · Friday 24 April 2026
Rijswijk van, M. (Martin) 1839
12691 S.C. Heerenveen interne competitie 01-12-2025 t/m 01-12-2025 (010012) · Monday 1 December 2025
Sevensma, F.W. (Frans) 1820
11718 S.C. Heerenveen interne competitie 03-11-2025 t/m 22-12-2025 (010012) · Monday 24 November 2025
Worst losses
Kaal, J. (John) 1662
10470 Tata Steel Chess Tournament 2026 Tienkampen · Saturday 24 January 2026
Derks, M. (Mark) 1665
11398 FK Snelschaken 2025 Groep A · Friday 16 May 2025
Dam van, F. (Frans) 1676
13812 S.C. Heerenveen interne competitie 04-05-2026 t/m 11-05-2026 (010012) · Monday 11 May 2026
Cloosterman, T. (Teun) 1708
10470 Tata Steel Chess Tournament 2026 Tienkampen · Sunday 25 January 2026
Lapka, P. (Pawel) 1720
11416 S.C. Heerenveen interne competitie 12-05-2025 t/m 19-05-2025 (010012) · Monday 12 May 2025
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +4–3=2 +18.9
FK Snelschaak 2026 Groep A Friday 24 April 2026 +4–6=1 +3.5
FK Rapid voor teams - Saturday 21 March 2026 +0–5=2 -13.7
S.C. Heerenveen interne competitie 01-12-2025 t/m 01-12-2025 (010012) Monday 1 December 2025 +5–4=2 +44.1
FSB-competitie 2025-2026 ronde 7 2e klasse Monday 1 September 2025 +0–0=1 -2.8
FSB-competitie 2025-2026 ronde 6 2e klasse Monday 1 September 2025 +0–0=1 +6.0
FSB-competitie 2025-2026 ronde 4 2e klasse Monday 1 September 2025 +1–0=0 +17.1
FSB-competitie 2025-2026 ronde 2 3e klasse Monday 1 September 2025 +1–0=0
FSB-competitie 2025-2026 ronde 1 2e klasse Monday 1 September 2025 +0–0=1 -2.7
S.C. Heerenveen interne competitie 04-05-2026 t/m 11-05-2026 (010012) Monday 25 August 2025 +0–2=0 -22.9
S.C. Heerenveen interne competitie 02-03-2026 t/m 20-04-2026 (010012) Monday 25 August 2025 +1–1=4 +9.0
S.C. Heerenveen interne competitie 12-01-2026 t/m 23-02-2026 (010012) Monday 25 August 2025 +1–1=3 +17.6
S.C. Heerenveen interne competitie 03-11-2025 t/m 22-12-2025 (010012) Monday 25 August 2025 +1–1=2 +10.3
S.C. Heerenveen interne competitie 01-09-2025 t/m 27-10-2025 (010012) Monday 25 August 2025 +3–1=3 +37.1
S.C. Heerenveen interne competitie 25-08-2025 t/m 25-08-2025 (010012) Monday 25 August 2025 +0–1=0 -3.8
46ste Open Internationaal Toernooi Gent Saturday 19 July 2025 +1–5=0 -19.2
FK Snelschaken 2025 Groep A Friday 16 May 2025 +3–6=1 -8.9
S.C. Heerenveen interne competitie 12-05-2025 t/m 19-05-2025 (010012) Monday 26 August 2024 +1–1=0 -0.9

Rating History

Loading KNSB rating history...

Peak Ratings

Classic 1749 May 1, 2026
Rapid 1660 May 1, 2025
Blitz 1769 May 1, 2026

Games

Wins 26
Losses 37
Draws 23
Win Rate 30%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 14 9 16 36%
Black 12 14 21 26%

Recent KNSB Matches

Dam van, F. (Frans) (1676) Monday 11 May 2026 LOSS -15.0
Velde, J. (Jan) (1886) Monday 4 May 2026 LOSS -7.9
Meijer, D. (Daniël) (1786) Friday 24 April 2026 LOSS -5.9
Spek van der, A. (Arthur) (1990) Friday 24 April 2026 LOSS -5.4
Zijlstra, J. (Jasper) (1905) Friday 24 April 2026 WIN +17.2
Everaars, D. (Dick) (1730) Friday 24 April 2026 WIN +11.3
Velde, J. (Jan) (1949) Friday 24 April 2026 LOSS -6.5
Bokal, E. (Elmadani) (1695) Friday 24 April 2026 DRAW -2.5
Koning, P. (Peter) (1873) Friday 24 April 2026 LOSS -8.9
Doetjes, P. (Peter) (1674) Friday 24 April 2026 WIN +9.3
Meirink, J. (Johan) (1900) Friday 24 April 2026 LOSS -8.0
Deinum, M. (Martijn) (1602) Friday 24 April 2026 WIN +7.1
Pragt, A. (Arjen) (2039) Friday 24 April 2026 LOSS -4.2
Rijswijk van, M. (Martin) (1862) Monday 20 April 2026 DRAW +4.0
Rubertus, R. (Robert) (1661) Monday 13 April 2026 DRAW -2.8
Derks, M. (Mark) (1686) Monday 30 March 2026 DRAW -1.8
Both, G.P. (Gert) (1919) Tuesday 24 March 2026 DRAW +6.0
Oppenhuizen, W.G. (Wiebe) (1715) Monday 23 March 2026 WIN +11.7
Both, G.P. (Gert) (1871) Saturday 21 March 2026 LOSS -5.8
Cliteur, O.P. (Olaf) (1986) Saturday 21 March 2026 LOSS -3.2