KNSB FIDE
JO

Jonas Oostra

Rated since December 2025

1556 Classic
1556 Rapid
1556 Blitz

RIVALRY

Nemesis
Bergen van, A.W.G. (Toine)
Games: 5 · Win rate: 100%
Kryptonite
Doornenbal, J.M. (Jan)
Games: 4 · Win rate: 0%
Easy Target
Meer van der, R. (Roelof)
Games: 4 · Win rate: 100%

The good & the bad

Best wins
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
Worst losses
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
DIJK VAN, Y. (YOUP) 1766
13249 KNSB competitie 2025-2026 Klasse 6 ronde 7 · Saturday 7 March 2026
No FIDE-rated tournaments found.
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 +0–3=0
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 +0–3=0
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–4=0
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +4–0=0
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +5–0=0

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 10
Losses 11
Draws 1
Win Rate 45%

Performance by Color

Color Wins Draws Losses Win Rate
White 6 0 6 50%
Black 4 1 5 40%

Recent Matches

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
Lamont, P. (Puc) Saturday 7 February 2026 LOSS
Lamont, P. (Puc) Saturday 7 February 2026 LOSS
Schreurs, J.W. (Wim) (1543) Monday 2 February 2026 LOSS
Schreurs, J.W. (Wim) (1543) Monday 2 February 2026 LOSS
Schreurs, J.W. (Wim) (1543) Monday 2 February 2026 LOSS
Doornenbal, J.M. (Jan) (1552) Wednesday 21 January 2026 LOSS
Doornenbal, J.M. (Jan) (1552) Wednesday 21 January 2026 LOSS
Doornenbal, J.M. (Jan) (1552) Wednesday 21 January 2026 LOSS
Doornenbal, J.M. (Jan) (1552) Wednesday 21 January 2026 LOSS
Meer van der, R. (Roelof) (1557) Tuesday 2 December 2025 WIN
Meer van der, R. (Roelof) (1557) Tuesday 2 December 2025 WIN
Meer van der, R. (Roelof) (1557) Tuesday 2 December 2025 WIN
Meer van der, R. (Roelof) (1557) Tuesday 2 December 2025 WIN
Bergen van, A.W.G. (Toine) (1561) Wednesday 12 November 2025 WIN
Bergen van, A.W.G. (Toine) (1561) Wednesday 12 November 2025 WIN
Bergen van, A.W.G. (Toine) (1561) Wednesday 12 November 2025 WIN