KNSB FIDE
AO

Arend van Oosten

Rated since January 2023

2070 Classic
2070 Rapid
2070 Blitz

RIVALRY

Nemesis
Vonk, J.J. (Jaco)
Games: 3 · Win rate: 33%
Kryptonite
Schönberger, D.H.B. (Daan)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
RIJN VAN, A.B. (ANTON) (CM) 2208
9314 50e Seniorentoernooi NK Senioren en Veteranen · Friday 19 July 2024
GOES, S.F. (STEN) 2189
8100 SOS Competitie 2023/2024 Maart 2024 · Tuesday 12 March 2024
GRONDSMA, M.B. (MARK) 2143
8099 SOS Competitie 2023/2024 Februari 2024 · Monday 5 February 2024
BORM, F.W.M. (FRANS) (IM) 2074
10704 KNSB competitie 2024-2025 Klasse 4 ronde 7 · Saturday 8 March 2025
ELLENBROEK, A.J. (TON) 2037
9314 50e Seniorentoernooi NK Senioren en Veteranen · Tuesday 16 July 2024
Worst losses
LOPEZ RAMIREZ, JORGE HERNAN (CM) 1865
Int. Bodensee-Seniorenopen · Sunday 14 May 2023
ARGIROV, D. (DIMITAR) 1873
6732 KNSB competitie 2022-2023 Klasse 4 ronde 7 · Saturday 11 March 2023
LOMMEL VAN, P.P.R. (PATRICK) (CM) 1917
6235 KNSB competitie 2022-2023 Klasse 4 ronde 5 · Saturday 17 December 2022
SMIT, M. (MANUEL) 1933
5714 SOS Competitie 2022/2023 Maart 2023(HK) · Tuesday 21 March 2023
EEFTING, C. (MARTIJN) 1950
8807 KNSB competitie 2023-2024 Klasse 4 ronde 9 · Saturday 20 April 2024
NK Senioren en Veteranen 2025 NK Senioren en Veteranen 2025 Saturday 12 July 2025 +3–2=2 +5.2
50e Seniorentoernooi NK Senioren en Veteranen Saturday 13 July 2024 +4–0=3 +49.5
SGS Bekercompetitie 2025-2026 2026-02 Wednesday 1 October 2025 +0–1=0 -6.3
SGS Bekercompetitie 2025-2026 SGS Beker 2025-12 Wednesday 1 October 2025 +1–0=0 +5.3
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +1–0=0 +8.7
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +0–0=1 +4.6
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +0–1=0 -13.8
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–1=0 -9.9
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +0–0=1 -0.2
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +0–0=1 -1.9
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–0=1 +3.3
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–1=0 -11.1
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–0=1 +1.0
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–1=0 -10.2
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–0=1 +6.6
SGS Bekercompetitie 2024-2025 2025-02 Friday 1 November 2024 +0–0=1 -4.2
SGS Bekercompetitie 2024-12 Friday 1 November 2024 +1–0=0 +8.0
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +0–1=0 -15.1
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +1–0=0 +12.9
KNSB competitie 2024-2025 Klasse 4 ronde 6 Saturday 21 September 2024 +1–0=0 +5.4
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +1–0=0 +8.2
KNSB competitie 2024-2025 Klasse 4 ronde 4 Saturday 21 September 2024 +0–1=0 -11.8
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +0–1=0 -13.8
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +0–0=1 -3.4
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +0–0=1 -2.7
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +1–0=0 +9.1
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +0–0=1 -1.7
SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +0–0=1 -4.5
SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +0–0=1 -4.1
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +1–0=0 +4.1
SGS Bekercompetitie 2023/2024 2023-11 Sunday 1 October 2023 +1–0=0 +10.9
KNSB competitie 2023-2024 Klasse 4 ronde 9 Saturday 16 September 2023 +0–1=0 -15.7
KNSB competitie 2023-2024 Klasse 4 ronde 8 Saturday 16 September 2023 +1–0=0 +10.8
KNSB competitie 2023-2024 Klasse 4 ronde 7 Saturday 16 September 2023 +0–0=1 -4.7
KNSB competitie 2023-2024 Klasse 4 ronde 6 Saturday 16 September 2023 +1–0=0 +7.1
KNSB competitie 2023-2024 Klasse 4 ronde 5 Saturday 16 September 2023 +0–0=1 -5.7
KNSB competitie 2023-2024 Klasse 4 ronde 4 Saturday 16 September 2023 +0–0=1 -5.7
KNSB competitie 2023-2024 Klasse 4 ronde 3 Saturday 16 September 2023 +0–1=0 -7.2
KNSB competitie 2023-2024 Klasse 4 ronde 2 Saturday 16 September 2023 +0–1=0 -14.4
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +0–0=1 +3.8
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +1–0=0 +18.1
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +1–0=0 +17.5
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +0–1=0 -8.8
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +1–0=0 +9.6
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +0–0=1 -6.1
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +0–1=0 -9.3
SOS Competitie 2023/2024 September 2023 Friday 1 September 2023 +0–1=0 -12.5
Int. Bodensee-Seniorenopen Saturday 13 May 2023 +3–1=3 -20.8
SGS Bekercompetitie dec 2022 Monday 17 October 2022 +0–1=0 -15.2
KNSB competitie 2022-2023 Klasse 4 ronde 9 Saturday 17 September 2022 +0–0=1 -5.0
KNSB competitie 2022-2023 Klasse 4 ronde 7 Saturday 17 September 2022 +0–1=0 -19.4
KNSB competitie 2022-2023 Klasse 4 ronde 6 Saturday 17 September 2022 +1–0=0 +3.1
KNSB competitie 2022-2023 Klasse 4 ronde 5 Saturday 17 September 2022 +0–1=0 -18.2
KNSB competitie 2022-2023 Klasse 4 ronde 4 Saturday 17 September 2022 +1–0=0 +7.2
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +1–0=0 +4.9
SOS Competitie 2022/2023 April 2023(HK) Monday 12 September 2022 +0–1=0 -16.5
SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +0–1=0 -17.9
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–0=1 +0.6
SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +1–0=0 +10.2
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +0–0=1 -0.1

Rating History

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Peak Ratings

Classic 2117 March 1, 2023
Rapid 2070 May 1, 2026
Blitz 2070 May 1, 2026

Games

Wins 28
Losses 22
Draws 28
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 18 14 9 44%
Black 10 14 13 27%

Recent Matches

Vonk, J.J. (Jaco) (2133) Tuesday 10 February 2026 DRAW +3.3
Shaikh, R. (Rushaan) (1925) Saturday 7 February 2026 WIN +8.7
Goes, S.F. (Sten) (2243) Saturday 31 January 2026 LOSS -6.3
Ercan, S. (Selman) (2091) Tuesday 13 January 2026 LOSS -11.1
Tuuk van der, J.J. (Jaap) (2185) Saturday 13 December 2025 DRAW +4.6
Eeden van, E. (Ed) (2075) Tuesday 2 December 2025 DRAW +1.0
Meijers, M. (Matthijs) (1847) Sunday 30 November 2025 WIN +5.3
Harten van, A.L. (Bram) (2038) Saturday 22 November 2025 LOSS -13.8
Smid, J. (Jelle) (2144) Tuesday 11 November 2025 LOSS -10.2
Spit, V. (Vincent) (2152) Saturday 1 November 2025 LOSS -9.9
IM Borm, F.W.M. (Frans) (2064) Saturday 4 October 2025 DRAW -0.2
FM Stehouwer, C. (Coen) (2275) Wednesday 1 October 2025 DRAW +6.6
Naaijer, M. (Martijn) (2016) Saturday 20 September 2025 DRAW -1.9
Boersma, J. (Jan) (2105) Friday 18 July 2025 DRAW +1.3
Visser, G.M. (Gerrit) (1929) Thursday 17 July 2025 WIN +7.9
CM Hoogland, D. (Dirk) (2137) Wednesday 16 July 2025 DRAW +2.4
Lootsma, J. (Jan) (2004) Tuesday 15 July 2025 WIN +10.3
Hummel, J. (Joop) (1972) Monday 14 July 2025 LOSS -15.8
Cornelisse, J.J.A. (John) (2158) Sunday 13 July 2025 LOSS -9.4
FM Etmans, M.D. (Maarten) (1945) Saturday 12 July 2025 WIN +8.4