KNSB FIDE
EO

Ed Oosterlaken

Rated since January 2023

2114 Classic
1977 Rapid
1999 Blitz

RIVALRY

Nemesis
Dam van, N. (Niels)
Games: 3 · Win rate: 33%
Kryptonite
Lind, J.J. (Jacco)
Games: 3 · Win rate: 0%
Easy Target
Schröer, M.J. (Marcel)
Games: 4 · Win rate: 75%

The good & the bad

Best wins
HAVER, B.A. (BAS) (FM) 2325
8376 KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 · Sunday 4 February 2024
SCHRÖER, M.J. (MARCEL) 2155
13795 S.C. Woerden interne competitie 05-05-2026 t/m 12-05-2026 (060067) · Tuesday 12 May 2026
IJZERMANS, C.G.J. (CEES) 2152
10470 Tata Steel Chess Tournament 2026 Tienkampen · Monday 26 January 2026
DAM VAN, N. (NIELS) 2101
12006 NK Snelschaak voor clubteams Groep A · Sunday 29 March 2026
STAP, C.R.M. (KEES) 2092
10470 Tata Steel Chess Tournament 2026 Tienkampen · Friday 30 January 2026
Worst losses
VISSER, Y. (YORAM) 1617
12006 NK Snelschaak voor clubteams Groep A · Sunday 29 March 2026
BETTMAN, J. (JAN) 1711
7605 SOS Competitie 2023/2024 November 2023 · Friday 3 November 2023
BHAWSAR, A. (ASHWATH) 1781
10353 Open Dordrecht Rapidtoernooi Groep A · Saturday 1 March 2025
GROENEN, W.F. (WIJNAND) 1816
8927 16e Open Kampioenschap van Woerden Groep A · Tuesday 25 June 2024
GRIEND VAN DE, J. (JOHAN) 1832
10353 Open Dordrecht Rapidtoernooi Groep A · Saturday 1 March 2025
NK Snelschaak voor clubteams Groep A Sunday 29 March 2026 +8–2=2 +24.9
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +2–3=4 +2.8
Open Dordrecht Rapidtoernooi Groep A Saturday 1 March 2025 +3–4=0 -46.7
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +3–1=5 +20.6
NK-Snelschaken 2024 Saturday 14 September 2024 +11–12=1 -49.4
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +1–3=4 +8.4
20e Open International d'Echecs de Menton (tournoi A 1900 et plus) Sunday 22 October 2023 +3–3=3 +8.2
Tata Steel Chess Tournament 2023 Tienkampen Friday 13 January 2023 +4–1=3 +25.6
SGS Bekercompetitie 2025-2026 2026-06 Wednesday 1 October 2025 +1–0=0 +7.3
SGS Bekercompetitie 2025-2026 2026-04 Wednesday 1 October 2025 +0–0=1 +0.9
SGS Viertallencompetitie 2025-2026 2026-03 Wednesday 1 October 2025 +1–0=0 +3.9
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +0–0=1 -4.2
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +1–0=0 +5.8
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +0–1=0 -10.8
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–0=1 +2.5
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +0–1=0 -15.3
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +0–0=1 +1.7
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–0=1 +1.1
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +1–0=0 +7.5
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +1–0=0 +12.8
S.C. Woerden interne competitie 05-05-2026 t/m 12-05-2026 (060067) Tuesday 9 September 2025 +1–0=0 +14.9
S.C. Woerden interne competitie 31-03-2026 t/m 21-04-2026 (060067) Tuesday 9 September 2025 +1–0=2 -3.0
S.C. Woerden interne competitie 03-02-2026 t/m 24-03-2026 (060067) Tuesday 9 September 2025 +0–1=1 -14.0
S.C. Woerden interne competitie 06-01-2026 t/m 20-01-2026 (060067) Tuesday 9 September 2025 +2–0=0 +10.5
S.C. Woerden interne competitie 02-12-2025 t/m 16-12-2025 (060067) Tuesday 9 September 2025 +1–0=1 -2.7
S.C. Woerden interne competitie 28-10-2025 t/m 25-11-2025 (060067) Tuesday 9 September 2025 +1–0=2 +2.9
S.C. Woerden interne competitie 30-09-2025 t/m 14-10-2025 (060067) Tuesday 9 September 2025 +0–0=1 +0.5
S.C. Woerden interne competitie 09-09-2025 t/m 23-09-2025 (060067) Tuesday 9 September 2025 +3–0=0 +10.5
SOS competitie 2025/2026 Lijst 1 juni Monday 1 September 2025 +1–0=0 +6.1
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +1–0=0 +8.2
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +1–0=0 +5.1
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–0=1 -3.8
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 -2.7
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +1–0=0 +6.1
OKW 2025 Groep A Tuesday 20 May 2025 +5–0=2 +50.7
Woerden Rapid Schaaktoernooi Groep A Saturday 30 November 2024 +4–1=0 +30.8
27. Offene Internationale Bayerische Schachmeisterschaft Saturday 26 October 2024 +3–4=2 +0.7
KNSB competitie 2024-2025 Klasse 5 ronde 7 Saturday 21 September 2024 +0–0=1 -3.5
KNSB competitie 2024-2025 Klasse 5 ronde 6 Saturday 21 September 2024 +1–0=0 +9.1
KNSB competitie 2024-2025 Klasse 5 ronde 5 Saturday 21 September 2024 +1–0=0 +11.6
KNSB competitie 2024-2025 Klasse 5 ronde 4 Saturday 21 September 2024 +0–0=1 -3.0
KNSB competitie 2024-2025 Klasse 5 ronde 2 Saturday 21 September 2024 +1–0=0 +8.5
KNSB competitie 2024-2025 Klasse 5 ronde 1 Saturday 21 September 2024 +1–0=0 +9.8
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–1=0 -12.6
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +1–0=0 +9.7
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +0–1=0 -18.6
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +1–0=0 +9.6
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +0–1=0 -11.1
SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +0–1=0 -15.7
SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +1–0=0 +5.3
SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +1–0=0 +8.7
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +1–0=1 +8.2
Snelschaak Teams (tijdens NK 2024) Saturday 13 July 2024 +13–5=0 +26.7
16e Open Kampioenschap van Woerden Groep A Tuesday 21 May 2024 +3–3=1 -38.6
SGS Bekercompetitie 2023/2024 2023-11 Sunday 1 October 2023 +0–1=0 -13.3
KNSB competitie 2023-2024 Klasse 3 ronde 8 Saturday 16 September 2023 +0–1=0 -14.2
KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 4 voor april lijst Saturday 16 September 2023 +0–1=0 -6.4
KNSB competitie 2023-2024 Klasse 3 ronde 7 Saturday 16 September 2023 +1–0=0 +8.9
KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 Saturday 16 September 2023 +1–0=0 +21.9
KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +0–0=1 -1.2
KNSB competitie 2023-2024 Klasse 3 ronde 5 Saturday 16 September 2023 +0–0=1 -4.4
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor januarilijst Saturday 16 September 2023 +1–0=0 +9.0
KNSB competitie 2023-2024 Klasse 3 ronde 3 Saturday 16 September 2023 +0–0=1 +1.3
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor novemberlijst Saturday 16 September 2023 +0–1=0 -13.4
KNSB competitie 2023-2024 Klasse 3 ronde 2 Saturday 16 September 2023 +1–0=0 +8.3
KNSB competitie 2023-2024 Klasse 3 ronde 1 Saturday 16 September 2023 +1–0=0 +11.1
SOS Competitie 2023/2024 Mei 2024 Friday 1 September 2023 +0–1=0 -18.4
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +1–0=0 +4.1
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +1–0=0 +9.3
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +1–0=0 +6.1
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +0–0=1 -10.3
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +0–1=0 -21.6
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +0–0=1 -3.1
SOS Competitie 2023/2024 September 2023 Friday 1 September 2023 +1–0=0 +6.5
15e Open Kampioenschap van Woerden (OKW) Groep A Tuesday 9 May 2023 +4–0=3 +6.4
SGS Bekercompetitie Juni 2023 Monday 17 October 2022 +1–0=0 +3.1
SGS Bekercompetitie mei 2023 Monday 17 October 2022 +0–0=1 -5.3
SGS Bekercompetitie apr 2023 Monday 17 October 2022 +0–0=1 -8.4
SGS Bekercompetitie feb 2023 Monday 17 October 2022 +1–0=0 +13.1
KNSB competitie 2022-2023 Klasse 3 ronde 9 Saturday 17 September 2022 +0–0=1 -3.8
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +1–0=0 +11.3
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +0–1=0 -10.1
KNSB competitie 2022-2023 Klasse 3 ronde 6 Saturday 17 September 2022 +0–0=1 -2.8
KNSB competitie 2022-2023 Beker ronde 3 Saturday 17 September 2022 +0–1=0 -7.0
KNSB competitie 2022-2023 Klasse 3 ronde 5 Saturday 17 September 2022 +1–0=0 +10.3
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +1–0=0 +3.2
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +0–1=0 -13.4
SOS Competitie 2022/2023 April 2023(HK) Monday 12 September 2022 +0–0=1 -1.5
SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +0–1=0 -13.6
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–0=1 +0.1
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +0–0=1 -8.9

Team Competition

Current teams
Woerden 1
HK · 2025-2026 · 1 game
Woerden 1
HKD · 2025-2026 · 6 games
Woerden 2
Klasse 4E · 2025-2026 · 9 games
Past teams
Woerden 1
Klasse 2C · 2024-2025
Woerden 1
HKB · 2024-2025
Woerden 2
Klasse 5J · 2024-2025
S.C. Kijk Uit 1
1D · 2023-2024
Woerden 1
Klasse 3E · 2023-2024
Woerden 1
Klasse 3F · 2022-2023
Woerden 1
HKB · 2022-2023
Woerden 1
Klasse 4D · 2021-2022
Woerden 1
HKB · 2021-2022
S.C. Woerden 1
HKA · 2019-2020
S.C. Kijk Uit 1
2B · 2018-2019

Rating History

Loading rating history...

Peak Ratings

Classic 2114 June 1, 2026
Rapid 2024 Jan. 1, 2025
Blitz 1999 April 1, 2026

Games

Wins 108
Losses 59
Draws 59
Win Rate 48%

Performance by Color

Color Wins Draws Losses Win Rate
White 59 37 17 52%
Black 49 22 42 43%

Recent Matches

Geelen, L.H.C. (Luuk) (1929) Friday 15 May 2026 WIN +7.3
Schröer, M.J. (Marcel) (2155) Tuesday 12 May 2026 WIN +14.9
Karelse, J.M. (Hans) (1886) Friday 8 May 2026 WIN +6.1
Dankers, H.A.P. (Henk) (1683) Tuesday 21 April 2026 WIN +1.9
Pieterse, M. (Mark) (1942) Tuesday 14 April 2026 DRAW -5.0
Briemen van, W.J. (Willem) (1969) Saturday 11 April 2026 DRAW -4.2
Lind, J.J. (Jacco) (2117) Tuesday 31 March 2026 DRAW +0.2
Mil van, L.H.F. (Lucas) (2136) Tuesday 31 March 2026 DRAW +0.9
Visser, Y. (Yoram) (1617) Sunday 29 March 2026 WIN +2.8
Verkerk, P. (Pim) (2049) Sunday 29 March 2026 DRAW +2.9
Zuilen van, B.L. (Bram) (1724) Sunday 29 March 2026 WIN +5.0
Visser, Y. (Yoram) (1617) Sunday 29 March 2026 LOSS -22.2
Verkerk, P. (Pim) (2049) Sunday 29 March 2026 WIN +15.4
Zuilen van, B.L. (Bram) (1724) Sunday 29 March 2026 WIN +5.0
Gafurov, D. (Damir) (1626) Sunday 29 March 2026 WIN +2.9
Dam van, N. (Niels) (2101) Sunday 29 March 2026 WIN +17.1
Werkhoven, M.C.M. (Maarten) (1791) Sunday 29 March 2026 DRAW -5.7
Gafurov, D. (Damir) (1626) Sunday 29 March 2026 WIN +2.9
Dam van, N. (Niels) (2101) Sunday 29 March 2026 LOSS -7.9
Werkhoven, M.C.M. (Maarten) (1791) Sunday 29 March 2026 WIN +6.8