KNSB FIDE
WH

Wilfried Harff

Rated since January 2023

2045 Classic
2045 Rapid
2060 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BESSELING, M.T. (MICHIEL) 2125
11849 KNSB competitie 2025-2026 Klasse 1 ronde 1 · Saturday 20 September 2025
LOPES, S.E. (SAMUEL) 2061
9353 17e BPB Limburg Open 2025 Groep A · Sunday 8 June 2025
MOLENAAR, C. (CHRISTIAAN) 2059
9353 17e BPB Limburg Open 2025 Groep A · Friday 6 June 2025
ROGIERS, JAN 2054
8250 16e BPB Limburg Open 2024 Groep A · Friday 17 May 2024
EMPEL VAN, F. (FRED) 1976
6556 KNSB competitie 2022-2023 Klasse 4 ronde 6 · Saturday 11 February 2023
Worst losses
SLINGS, S.L.L. (STEFAN) 1994
10492 KNSB competitie 2024-2025 Klasse 1 ronde 6 · Saturday 8 February 2025
BRUIJNE DE, A.J. (ARIAN) 1999
13525 KNSB competitie 2025-2026 Klasse 1 ronde 9 · Saturday 11 April 2026
ELLENBROEK, A.J. (TON) 2013
9353 17e BPB Limburg Open 2025 Groep A · Sunday 8 June 2025
ZOETEN DE, C. (CATO) 2032
11018 KNSB competitie 2024-2025 Klasse 1 ronde 8 · Saturday 5 April 2025
FRENKEN, M.J.P. (MARCEL) 2064
8372 KNSB competitie 2023-2024 Klasse 3 ronde 6 · Saturday 3 February 2024
17e BPB Limburg Open 2025 Groep A Friday 6 June 2025 +2–4=1 -11.9
16e BPB Limburg Open 2024 Groep A Friday 17 May 2024 +1–3=3 -0.2
KNSB competitie 2025-2026 Klasse 1 ronde 9 Saturday 20 September 2025 +0–1=0 -14.6
KNSB competitie 2025-2026 Klasse 1 ronde 6 Saturday 20 September 2025 +0–2=0 -13.2
KNSB competitie 2025-2026 Klasse 1 ronde 8 Saturday 20 September 2025 +0–2=0 -11.1
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–0=2 -15.1
KNSB competitie 2025-2026 Klasse 1 ronde 3 Saturday 20 September 2025 +0–0=1 +1.6
KNSB competitie 2025-2026 Klasse 1 ronde 1 Saturday 20 September 2025 +1–0=0 +14.7
KNSB competitie 2024-2025 Klasse 1 ronde 9 Saturday 21 September 2024 +0–0=1 +0.4
KNSB competitie 2024-2025 Klasse 1 ronde 8 Saturday 21 September 2024 +0–1=0 -14.5
KNSB competitie 2024-2025 Klasse 1 ronde 7 Saturday 21 September 2024 +0–0=1 -1.4
KNSB competitie 2024-2025 Klasse 1 ronde 6 Saturday 21 September 2024 +0–1=0 -16.1
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +1–0=0 +8.1
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +1–0=0 +5.7
KNSB competitie 2023-2024 Klasse 3 ronde 8 Saturday 16 September 2023 +1–0=0 +7.1
KNSB competitie 2023-2024 Klasse 3 ronde 7 Saturday 16 September 2023 +0–1=0 -6.4
KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +0–1=0 -13.8
KNSB competitie 2023-2024 Klasse 3 ronde 5 Saturday 16 September 2023 +0–1=0 -11.4
KNSB competitie 2023-2024 Klasse 3 ronde 4 Saturday 16 September 2023 +0–0=1 -1.6
KNSB competitie 2023-2024 Klasse 3 ronde 3 Saturday 16 September 2023 +0–0=1 -6.3
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +0–0=1 -6.9
KNSB competitie 2022-2023 Klasse 4 ronde 7 Saturday 17 September 2022 +1–0=0 +3.7
KNSB competitie 2022-2023 Klasse 4 ronde 6 Saturday 17 September 2022 +1–0=0 +7.3
KNSB competitie 2022-2023 Klasse 4 ronde 4 Saturday 17 September 2022 +0–0=1 -6.3

Rating History

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Peak Ratings

Classic 2132 April 1, 2023
Rapid 2072 March 1, 2026
Blitz 2072 March 1, 2026

Games

Wins 9
Losses 17
Draws 13
Win Rate 23%

Performance by Color

Color Wins Draws Losses Win Rate
White 6 5 7 33%
Black 3 8 10 14%

Recent Matches

Bruijne de, A.J. (Arian) (1999) Saturday 11 April 2026 LOSS -14.6
IM Wiersma, E. (Eelke) (2252) Saturday 28 March 2026 LOSS -6.6
IM Wiersma, E. (Eelke) (2252) Saturday 28 March 2026 LOSS -6.6
FM Kooijmans, J. (Jermo) (2290) Saturday 7 March 2026 LOSS -5.6
FM Kooijmans, J. (Jermo) (2290) Saturday 7 March 2026 LOSS -5.6
Koolen, T. (Tom) (1837) Saturday 7 February 2026 DRAW -7.6
Koolen, T. (Tom) (1837) Saturday 7 February 2026 DRAW -7.6
Ammerlaan, R. (Richard) (2123) Saturday 1 November 2025 DRAW +1.6
Besseling, M.T. (Michiel) (2125) Saturday 20 September 2025 WIN +14.7
CM Aravindhan, A. (Achyuth) (2128) Monday 9 June 2025 LOSS -10.7
Groenewoud, J.J.R. (Joel) (2190) Monday 9 June 2025 DRAW +3.9
Lopes, S.E. (Samuel) (2061) Sunday 8 June 2025 WIN +12.0
Ellenbroek, A.J. (Ton) (2013) Sunday 8 June 2025 LOSS -14.7
FM Grochal, J. (Joey) (2253) Saturday 7 June 2025 LOSS -6.7
Ramien, David (2216) Saturday 7 June 2025 LOSS -7.8
Molenaar, C. (Christiaan) (2059) Friday 6 June 2025 WIN +11.9
Eerens, P. (Pim) (2086) Saturday 10 May 2025 DRAW +0.4
Zoeten de, C. (Cato) (2032) Saturday 5 April 2025 LOSS -14.5
Buuren van, F. (Fabian) (2050) Saturday 8 March 2025 DRAW -1.4
Slings, S.L.L. (Stefan) (1994) Saturday 8 February 2025 LOSS -16.1