KNSB FIDE
JO

Jonas Oostra

Rated since December 2025

1582 Classic
1556 Rapid
1556 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
MEULEN VAN DER, M.P.L. (MARTIN) 1674
47th International Chess Tournament of Ghent · Saturday 18 July 2026
HEIRBRANT, THIERRY 1662
47th International Chess Tournament of Ghent · Tuesday 21 July 2026
BERGEN VAN, A.W.G. (TOINE) 1561
12052 SOS competitie 2025/2026 Lijst 1 Dec · Wednesday 12 November 2025
MEER VAN DER, R. (ROELOF) 1557
12471 SOS competitie 2025/2026 Lijst 1 jan · Tuesday 2 December 2025
KRUITHOF, G. (GLENN) 1289
14015 HSG Open 2026 Groep D · Saturday 20 June 2026
Worst losses
CUBA DE, E. (EMILY) 1313
14015 HSG Open 2026 Groep D · Sunday 21 June 2026
SCHREURS, J.W. (WIM) 1543
12775 SOS competitie 2025/2026 Lijst 1 mrt · Monday 2 February 2026
DOORNENBAL, J.M. (JAN) 1552
12774 SOS competitie 2025/2026 Lijst 1 feb · Wednesday 21 January 2026
FOX, M. (MATHIJS) 1562
14015 HSG Open 2026 Groep D · Sunday 21 June 2026
BEEN, K. (KLAAS) 1721
47th International Chess Tournament of Ghent · Wednesday 22 July 2026
47th International Chess Tournament of Ghent Saturday 18 July 2026 +2–5=2 +90.9
HSG Open 2026 Groep D Friday 19 June 2026 +3–3=0 -43.9
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +0–0=1
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–1=0
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–1=0
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +0–1=0 -20.8
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +1–0=0
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–1=0
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–1=0
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +1–0=0
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +1–0=0

Team Competition

Current teams
Wageningen 3
3D · 2025-2026 · 6 games
Wageningen 4
Klasse 5E · 2025-2026 · 1 game
Wageningen 5
Klasse 6C · 2025-2026 · 2 games

Rating History

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Peak Ratings

Classic 1754 Dec. 1, 2025
Rapid 1556 April 1, 2026
Blitz 1556 April 1, 2026

Games

Wins 8
Losses 13
Draws 3
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 1 6 42%
Black 3 2 7 25%

Recent Matches

Been, K. (Klaas) (1721) Wednesday 22 July 2026 LOSS -13.7
Wilmotte, Frederik (1705) Tuesday 21 July 2026 DRAW +17.8
Heirbrant, Thierry (1662) Tuesday 21 July 2026 WIN +47.2
Zoutendijk, J. (Joran) (1746) Monday 20 July 2026 LOSS -12.1
Hofland, J. (Jeffrey) (1848) Monday 20 July 2026 LOSS -6.9
Cummins, Finn (1855) Sunday 19 July 2026 LOSS -6.6
Toroptsev, K. (Kristian) (1833) Sunday 19 July 2026 DRAW +25.0
Meulen van der, M.P.L. (Martin) (1674) Saturday 18 July 2026 WIN +48.1
Stafleu, M. (Michiel) (1824) Saturday 18 July 2026 LOSS -7.9
Cuba de, E. (Emily) (1313) Sunday 21 June 2026 LOSS -31.9
Fox, M. (Mathijs) (1562) Sunday 21 June 2026 LOSS -37.8
Sparreboom, Z.C.G. (Zazaia) Saturday 20 June 2026 WIN
Kruithof, G. (Glenn) (1289) Saturday 20 June 2026 WIN +15.9
Ogrel, A. (Alexei) Friday 19 June 2026 LOSS
Demarteau, M.E.M. (Mary) (1200) Friday 19 June 2026 WIN +9.8
Brachten, R.H.B. (Ron) (1762) Friday 24 April 2026 LOSS -20.8
Berg van den, H.M. (Henk) (1743) Saturday 28 March 2026 DRAW
Hbaidi, A.K.M. (Anoud) Wednesday 18 March 2026 WIN
Dijk van, Y. (Youp) (1766) Saturday 7 March 2026 LOSS
Lamont, P. (Puc) Saturday 7 February 2026 LOSS