KNSB FIDE
OH

Otto van Haren

Rated since January 2023

1781 Classic
1754 Rapid
1720 Blitz

RIVALRY

Nemesis
Slotboom, T. (Teus Sr)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
KOPPELAAR, V.A. (VICTOR) 1912
14017 S.C. Dordrecht interne competitie 23-06-2026 t/m 23-06-2026 (140010) · Tuesday 23 June 2026
GRIEND VAN DE, J. (JOHAN) 1878
14017 S.C. Dordrecht interne competitie 23-06-2026 t/m 23-06-2026 (140010) · Tuesday 23 June 2026
KUIPER, W. (WILLEM) 1859
13212 Sliedrecht Open Rapid 2026 Open Groep A · Saturday 18 April 2026
PRINS, H. (HENK) 1845
13212 Sliedrecht Open Rapid 2026 Open Groep A · Saturday 18 April 2026
AL ZUHAIRY, R. (RANY) 1776
13306 S.C. Dordrecht interne competitie 17-03-2026 t/m 17-03-2026 (140010) · Tuesday 17 March 2026
Worst losses
HOOGERWAARD, S. (SAMANTHA) 1648
13446 RSB Competitie 2025-2026 Achttallen maart · Monday 9 March 2026
BOM, M. (RINUS) 1677
14017 S.C. Dordrecht interne competitie 23-06-2026 t/m 23-06-2026 (140010) · Tuesday 23 June 2026
SLOTBOOM, T. (TEUS SR) 1683
13766 S.C. Dordrecht interne competitie 19-05-2026 t/m 19-05-2026 (140010) · Tuesday 19 May 2026
SCHREUDER, P.J. (HANS) 1702
13766 S.C. Dordrecht interne competitie 19-05-2026 t/m 19-05-2026 (140010) · Tuesday 19 May 2026
NUNNIKHOVEN, K. (KRIJN-JOOST) 1715
14017 S.C. Dordrecht interne competitie 23-06-2026 t/m 23-06-2026 (140010) · Tuesday 23 June 2026
No FIDE-rated tournaments found.
Sliedrecht Open Rapid 2026 Open Groep A Saturday 18 April 2026 +3–3=3 +20.2
S.C. Dordrecht interne competitie 19-05-2026 t/m 19-05-2026 (140010) Tuesday 23 December 2025 +1–4=0 -36.2
S.C. Dordrecht interne competitie 23-06-2026 t/m 23-06-2026 (140010) Tuesday 21 October 2025 +4–6=1 -3.6
S.C. Dordrecht interne competitie 17-03-2026 t/m 17-03-2026 (140010) Tuesday 21 October 2025 +3–5=2 +30.7
RSB Competitie 2025-2026 Achttallen juni Monday 1 September 2025 +0–0=1 -1.1
RSB Competitie 2025-2026 Achttallen mei Monday 1 September 2025 +1–0=0 +11.7
RSB Competitie 2025-2026 Aanvulling achttallen mei Monday 1 September 2025 +0–0=1 -0.2
RSB Competitie 2025-2026 Achttallen maart Monday 1 September 2025 +0–1=0 -17.2
RSB Competitie 2025-2026 Achttallen januari Monday 1 September 2025 +0–1=0
RSB Competitie 2025-2026 Achtallen november Monday 1 September 2025 +1–0=0 +10.6

Rating History

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Peak Ratings

Classic 1793 Jan. 1, 2025
Rapid 1787 March 1, 2026
Blitz 1730 Oct. 1, 2024

Games

Wins 13
Losses 20
Draws 8
Win Rate 32%

Performance by Color

Color Wins Draws Losses Win Rate
White 6 4 10 30%
Black 7 4 10 33%

Recent Matches

Koppelaar, V.A. (Victor) (1912) Tuesday 23 June 2026 WIN +18.6
Bom, M. (Rinus) (1677) Tuesday 23 June 2026 LOSS -14.1
Velde van de, J.C. (Harrie) (1737) Tuesday 23 June 2026 LOSS -12.1
Griend van de, J. (Johan) (1878) Tuesday 23 June 2026 WIN +17.6
Malschaert, J.F. (Jacques) (1839) Tuesday 23 June 2026 LOSS -8.6
Tinke, G.J. (Gert-Jan) (1512) Tuesday 23 June 2026 WIN +5.7
Nunnikhoven, K. (Krijn-Joost) (1715) Tuesday 23 June 2026 LOSS -12.8
Velde van de, M. (Matthijs) (1842) Tuesday 23 June 2026 LOSS -4.3
Velde van de, W.J.C. (Wilco) (1700) Tuesday 23 June 2026 DRAW -0.8
Slotboom, T. (Teus Sr) (1690) Tuesday 23 June 2026 WIN +11.3
Pluymert, P.W. (Piet) (1999) Tuesday 23 June 2026 LOSS -4.2
Leentvaar, G.P. (Peter) (1752) Tuesday 2 June 2026 DRAW -1.1
Slotboom, T. (Teus Sr) (1683) Tuesday 19 May 2026 LOSS -15.5
Schreuder, P.J. (Hans) (1702) Tuesday 19 May 2026 LOSS -14.9
Al Zuhairy, R. (Rany) (1827) Tuesday 19 May 2026 LOSS -10.5
Heeren van, A. (Arie) (1757) Tuesday 19 May 2026 WIN +12.1
Sitton, B. (Ben) (1922) Tuesday 19 May 2026 LOSS -7.4
Wende van de, K.M. (Reinier) (1748) Thursday 7 May 2026 WIN +11.7
Boonstra, L. (Leen) (1764) Tuesday 28 April 2026 DRAW -0.2
Velde van de, W.J.C. (Wilco) (1724) Saturday 18 April 2026 WIN +10.9