KNSB FIDE
HW

Harm Theo Wagenaar

Rated since January 2023

1847 Classic
1874 Rapid
1901 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
WIJENBERG, N. (NOLAN) 1831
12774 SOS competitie 2025/2026 Lijst 1 feb · Tuesday 13 January 2026
DEVAUX, N. (NICOLAS) 1830
10470 Tata Steel Chess Tournament 2026 Tienkampen · Sunday 25 January 2026
COULON, D. (DOMINIC) 1821
35th NATO Chess Championship 2025 · Thursday 21 August 2025
TOBY, A. (ALMER) 1819
10470 Tata Steel Chess Tournament 2026 Tienkampen · Tuesday 27 January 2026
BOURGEOIS, M. (MARCEL) 1816
12991 KNSB competitie 2025-2026 Klasse 4 ronde 7 · Saturday 7 February 2026
Worst losses
STUHR, F. (FINN) 1709
35th NATO Chess Championship 2025 · Wednesday 20 August 2025
HAGENDIJK, M.K. (MARK) 1859
13120 85e Daniel Noteboomtoernooi Groep B · Sunday 22 February 2026
STOK, M.P.G. (MATTIAS) 1871
12776 SOS competitie 2025/2026 Lijst 1 apr · Tuesday 10 March 2026
HAMERS, G.J. (GERARD) 1883
13247 KNSB competitie 2025-2026 Klasse 4 ronde 8 · Saturday 7 March 2026
VELDHUIZEN, D. (DIRK) 1901
13783 51e Open Kampioenschap van Utrecht Groep B · Sunday 17 May 2026
51e Open Kampioenschap van Utrecht Groep B Friday 15 May 2026 +0–2=4 -15.7
85e Daniel Noteboomtoernooi Groep B Friday 20 February 2026 +2–3=1 -17.0
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +4–0=5 +41.3
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +0–0=1 -0.7
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +0–1=0 -13.1
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +1–0=0 +10.6
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +0–0=1 +0.7
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–0=1 +2.2
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +0–0=1 +2.8
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +0–0=1 -5.2
SOS competitie 2025/2026 Lijst 1 juni Monday 1 September 2025 +0–1=0 -10.9
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +0–1=0 -13.6
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–1=0 -4.4
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +1–0=0 +11.7
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–0=1 +3.6
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 +0.1
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–0=1 -0.3
35th NATO Chess Championship 2025 Sunday 17 August 2025 +2–3=2 -22.5
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +1–0=0
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +1–0=1 +6.2

Team Competition

Current teams
OZU 1
HKD · 2025-2026 · 7 games
Paul Keres 6
Klasse 4C · 2025-2026 · 7 games
Past teams
OZU 1
HKB · 2024-2025
OZU 2
2E · 2024-2025
Paul Keres 4
Klasse 4C · 2024-2025
Paul Keres 6
Klasse 5D · 2024-2025
Oud Zuylen Utrecht 1
HKB · 2023-2024
Paul Keres 5
Klasse 4C · 2023-2024
OZU 1
HKB · 2022-2023
Paul Keres 4
Klasse 4C · 2022-2023
OZU 1
HKB · 2021-2022
Paul Keres 4
Klasse 3C · 2021-2022
S.C. Oud Zuylen Utrecht 1
HKA · 2019-2020
S.C. Oud Zuylen Utrecht 1
HKA · 2018-2019

Rating History

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Peak Ratings

Classic 1901 March 1, 2026
Rapid 1901 March 1, 2026
Blitz 1901 March 1, 2026

Games

Wins 12
Losses 12
Draws 21
Win Rate 27%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 8 5 38%
Black 4 13 7 17%

Recent Matches

Veldhuizen, D. (Dirk) (1901) Sunday 17 May 2026 LOSS -11.6
Ee van, W. (Winston) (1857) Sunday 17 May 2026 DRAW -0.6
Burger, R.J.P. (Rogier) (1951) Saturday 16 May 2026 DRAW +2.7
Koole, D.J.J. (David) (1831) Saturday 16 May 2026 DRAW -1.5
Wijgers, B. (Ben) (1977) Friday 15 May 2026 LOSS -9.0
Bollaart, J.A.L. (Jeroen) (2001) Friday 15 May 2026 DRAW +4.3
Pol van der, R. (Rico) (1919) Friday 8 May 2026 LOSS -10.9
Heger, J.J. (Janno) (1882) Saturday 28 March 2026 DRAW -0.7
Stok, M.P.G. (Mattias) (1871) Tuesday 10 March 2026 LOSS -13.6
Hamers, G.J. (Gerard) (1883) Saturday 7 March 2026 LOSS -13.1
Hagendijk, M.K. (Mark) (1859) Sunday 22 February 2026 LOSS -12.9
Kazi, Z. (Zidan) (1888) Sunday 22 February 2026 DRAW +0.6
Mac Lean, H.M. (Murdoch) (1933) Saturday 21 February 2026 LOSS -10.3
Jiao, J. (Jonathan) (1661) Saturday 21 February 2026 WIN +5.8
Morssink, P.J. (Pieter Jan) (1980) Friday 20 February 2026 LOSS -8.8
Baldé, E.O.D. (Esko) (1754) Friday 20 February 2026 WIN +8.6
Bourgeois, M. (Marcel) (1816) Saturday 7 February 2026 WIN +10.6
Schröer, M.J. (Marcel) (2136) Tuesday 3 February 2026 LOSS -4.4
Romano Tuncel, E. (Erez) (1817) Sunday 1 February 2026 DRAW -0.7
Oosterlaken, S. (Sjaak) (1799) Saturday 31 January 2026 WIN +10.6