SO

Sietse Oostra

Rated since January 2024

1857 Classic
1857 Rapid
1857 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
SCHOTMAN, P.C. (PETER) 1926
10056 LiSB ronde 1 tm 3 Groep A · Sunday 20 October 2024
LEMAIRE, J.J.G. (JACK) 1904
10056 LiSB ronde 1 tm 3 Groep A · Sunday 17 November 2024
UCKERMAN, J.R. (JOHN) 1855
9235 LISB competitie ronde B Groep A · Sunday 14 April 2024
MEINDERS, R.P. (ROBIN) 1833
11345 LiSB ronde 6 en 7 Groep A · Sunday 13 April 2025
STEPINE, F. (FAROUK) 1832
9235 LISB competitie ronde B Groep A · Sunday 10 March 2024
Worst losses
NABBEN, R. (ROB) 1744
10910 LiSB seizoen 2024-2025 ronde 4 en 5 Groep A · Sunday 2 February 2025
LEENEN, B. (BOYD) 1758
8192 LiSB competitie 2023-2024 A Groep A · Sunday 12 November 2023
FRANSSEN, M. (MICHEL) 1805
13451 4e ronde LiSB competitie 2025-2026 Groep A · Sunday 1 March 2026
ZINK, R. (ROB) 1818
9235 LISB competitie ronde B Groep A · Sunday 12 May 2024
BRANDT, J. (JAN) 1911
10056 LiSB ronde 1 tm 3 Groep A · Sunday 8 December 2024
No FIDE-rated tournaments found.
4e ronde LiSB competitie 2025-2026 Groep A Sunday 1 March 2026 +0–1=0 -29.6
LiSB 2025- 2026 ronde 3 Groep A Sunday 7 December 2025 +0–1=0 -20.7
LiSB Competitie 2025-2026 ronde 2 Groep A Sunday 16 November 2025 +0–0=1 +2.0
LiSB competitie ronde 1 Groep A Sunday 26 October 2025 +1–0=0 +19.0
LiSB ronde 6 en 7 Groep A Sunday 13 April 2025 +1–1=0 -1.4
LiSB seizoen 2024-2025 ronde 4 en 5 Groep A Sunday 2 February 2025 +1–1=0 -19.9
LiSB ronde 1 tm 3 Groep A Sunday 13 October 2024 +2–1=0 +50.0
LISB competitie ronde B Groep A Sunday 10 March 2024 +2–1=1 +26.5
LiSB competitie 2023-2024 A Groep A Sunday 8 October 2023 +1–1=1 +67.0
LiSB bondscompetitie Groep B Sunday 16 October 2022 +3–0=0 +77.1
LiSB bondscompetitie Groep A Sunday 16 October 2022 +0–1=0

Rating History

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Peak Ratings

Classic 1908 Jan. 1, 2025
Rapid 1887 March 1, 2026
Blitz 1887 March 1, 2026

Games

Wins 11
Losses 8
Draws 3
Win Rate 50%

Performance by Color

Color Wins Draws Losses Win Rate
White 7 1 4 58%
Black 4 2 4 40%

Recent Matches

Franssen, M. (Michel) (1805) Sunday 1 March 2026 LOSS -29.6
Freer, G.W.J. (Glenn) (1973) Sunday 7 December 2025 LOSS -20.7
Cörvers, J. (John) (1915) Sunday 16 November 2025 DRAW +2.0
Stepine, F. (Farouk) (1786) Sunday 26 October 2025 WIN +19.0
Borhan, A. (Abdul Majid) (1925) Sunday 18 May 2025 LOSS -25.0
Meinders, R.P. (Robin) (1833) Sunday 13 April 2025 WIN +23.6
Bouwmans, E. (Erik) (1824) Sunday 16 March 2025 WIN +23.0
Nabben, R. (Rob) (1744) Sunday 2 February 2025 LOSS -43.0
Brandt, J. (Jan) (1911) Sunday 8 December 2024 LOSS -29.1
Lemaire, J.J.G. (Jack) (1904) Sunday 17 November 2024 WIN +38.5
Schotman, P.C. (Peter) (1926) Sunday 20 October 2024 WIN +40.6
Gommer, H. (Henk) (1668) Sunday 9 June 2024 DRAW -19.0
Zink, R. (Rob) (1818) Sunday 12 May 2024 LOSS -45.7
Uckerman, J.R. (John) (1855) Sunday 14 April 2024 WIN +47.0
Stepine, F. (Farouk) (1832) Sunday 10 March 2024 WIN +44.2
Leenders, H. (Hans) (1566) Sunday 10 December 2023 WIN +90.6
Leenen, B. (Boyd) (1758) Sunday 12 November 2023 LOSS -34.5
Wallekers, W.F. (Willem) (1660) Sunday 15 October 2023 DRAW +10.8
Benneheij, S. (Suzanne) (1046) Sunday 16 April 2023 WIN +4.7
Gerrichhauzen, J.T.G. (John) (1028) Sunday 19 March 2023 WIN +4.0