KNSB FIDE
TO

Theo van Orsouw

Rated since January 2023

1885 Classic
1951 Rapid
1884 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
CORTENBACH, S. (STAN) 1949
13529 DD Rapid Open Groep A · Saturday 2 May 2026
NOCERA, A.N. (ALESSANDRO) 1946
13529 DD Rapid Open Groep A · Saturday 2 May 2026
JIN, W. (WENHAO) 1925
12984 33e Open Haags rapidkampioenschap Groep A · Saturday 4 April 2026
GEERLINGS, V. (VINCENT) 1922
12784 Open Rapidtoernooi Groep A · Saturday 14 March 2026
ZIJDEN VAN DER, J.A. (HANS) 1918
12762 HSB competitie 2025-2026 DecemberJanuari Comp 2526 · Monday 15 December 2025
Worst losses
MACHNIK, STANISLAW 1669
13422 DD Den Haag Open Schaakkampioenschap 2026 Rondes 3-7 · Thursday 12 March 2026
HAM VAN DER, X.L.D. (DAVID) 1715
10225 37e Open Prometheus Kampioenschap Groep A · Thursday 29 January 2026
MARINUS, J. (JEROEN) 1761
13465 HSB competitie 2025-2026 CompMrt2026 · Thursday 5 March 2026
TOORN VAN DER, A.J. (AAT) 1785
13529 DD Rapid Open Groep A · Saturday 2 May 2026
BAKHUIJZEN, N. (NATHAN) 1816
12735 2026 Chess.com Botwinnik Open Groep B · Friday 2 January 2026
DD Rapid Open Groep A Saturday 2 May 2026 +5–2=0 +26.0
DD Den Haag Open Schaakkampioenschap 2026 Rondes 3-7 Thursday 12 February 2026 +2–2=0 -12.4
DD Den Haag Open Schaakkampioenschap 2026 Rondes 1-2 Thursday 12 February 2026 +2–0=0 +12.1
37e Open Prometheus Kampioenschap Groep A Thursday 15 January 2026 +1–1=0 -8.5
2026 Chess.com Botwinnik Open Groep B Friday 2 January 2026 +0–1=0 -16.1
33e Open Haags rapidkampioenschap Groep A Saturday 4 April 2026 +3–3=0 -13.5
Open Rapidtoernooi Groep A Saturday 14 March 2026 +5–1=1 +33.5
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +0–0=1 +0.7
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +0–1=0 -15.6
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +1–0=0 +7.0
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +1–0=0 +12.0
HSB competitie 2025-2026 April2026 Monday 1 September 2025 +0–0=1 -7.9
HSB competitie 2025-2026 CompMrt2026 Monday 1 September 2025 +0–1=0 -18.4
HSB competitie 2025-2026 DecemberJanuari Comp 2526 Monday 1 September 2025 +1–0=0 +11.9

Rating History

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Peak Ratings

Classic 1952 March 1, 2023
Rapid 1951 June 1, 2026
Blitz 1884 Feb. 1, 2025

Games

Wins 21
Losses 12
Draws 3
Win Rate 58%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 2 6 50%
Black 13 1 6 65%

Recent Matches

Bulthuis, J. (Jelle) (2148) Saturday 2 May 2026 LOSS -5.4
Cortenbach, S. (Stan) (1949) Saturday 2 May 2026 WIN +13.3
Nocera, A.N. (Alessandro) (1946) Saturday 2 May 2026 WIN +13.2
Wagner, A.M. (André) (1854) Saturday 2 May 2026 WIN +10.1
Abanes, M. (Menandro) (1782) Saturday 2 May 2026 WIN +7.7
Toorn van der, A.J. (Aat) (1785) Saturday 2 May 2026 LOSS -17.2
Spaans, L. (Leen) (1655) Saturday 2 May 2026 WIN +4.3
Dijkshoorn, M. (Marcel) (1642) Wednesday 22 April 2026 DRAW -7.9
Veelen van, K. (Koen) (1845) Thursday 16 April 2026 WIN +10.6
Elderhorst, J.J.M. (Joop) (1920) Saturday 11 April 2026 DRAW +0.7
Sans Piera, Marti (1852) Saturday 4 April 2026 LOSS -15.5
Termeulen, A. (Albert) (2072) Saturday 4 April 2026 LOSS -8.0
Jin, W. (Wenhao) (1925) Saturday 4 April 2026 WIN +12.0
Dirks, Ayden (1765) Saturday 4 April 2026 WIN +6.8
Geerlings, V. (Vincent) (1944) Saturday 4 April 2026 LOSS -12.3
Immerzeel, J. (Jules) (1631) Saturday 4 April 2026 WIN +3.5
Metselaar, H. (Harold) (1851) Saturday 28 March 2026 LOSS -15.6
Kinoshita, K. (Kanako) (1806) Thursday 26 March 2026 WIN +8.0
Nicolaas, J.J.M. (Han) (1780) Thursday 19 March 2026 WIN +7.2
Dyksinski, P. (Patryk) (1636) Saturday 14 March 2026 WIN +4.3