KNSB FIDE
EO

Ed Oosterlaken

Rated since January 2023

2093 Classic
1977 Rapid
1999 Blitz

RIVALRY

Nemesis
Verberne, B. (Bas)
Games: 3 · Win rate: 67%
Kryptonite
Heijer den, C.A. (Rolinde)
Games: 3 · Win rate: 0%
Easy Target
Schröer, M.J. (Marcel)
Games: 3 · Win rate: 67%

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
IJZERMANS, C.G.J. (CEES) 2152
10470 Tata Steel Chess Tournament 2026 Tienkampen · Monday 26 January 2026
SCHRÖER, M.J. (MARCEL) 2118
11050 OKW 2025 Groep A · Tuesday 24 June 2025
STAP, C.R.M. (KEES) 2092
10470 Tata Steel Chess Tournament 2026 Tienkampen · Friday 30 January 2026
SALOMONS, H.R. (RIK) 2068
11852 KNSB competitie 2025-2026 Klasse 4 ronde 1 · Saturday 20 September 2025
Worst losses
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
WIJENBERG, N. (NOLAN) 1833
9653 SOS Competitie 2024/2025 2025-04 · Friday 11 April 2025
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 +13–12=1 -32.9
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 Viertallencompetitie 2025-2026 2026-03 Wednesday 1 October 2025 +1–0=0 +3.9
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 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 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

Rating History

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Peak Ratings

Classic 2111 March 1, 2026
Rapid 2024 Jan. 1, 2025
Blitz 1999 April 1, 2026

Games

Wins 97
Losses 55
Draws 52
Win Rate 48%

Performance by Color

Color Wins Draws Losses Win Rate
White 54 34 15 52%
Black 43 18 40 43%

Recent Matches

Visser, W. (Wouter) (1806) Tuesday 10 February 2026 WIN +3.9
Esch van, S.A. (Bas) (2166) Saturday 7 February 2026 DRAW +2.5
Hageman, G.M.J. (Ger) (1967) Tuesday 3 February 2026 WIN +8.2
CM Blauhut, Holger (2056) Sunday 1 February 2026 DRAW -0.9
CM Lagemaat van de, A.G. (Arend) (2104) Saturday 31 January 2026 LOSS -11.7
Stap, C.R.M. (Kees) (2092) Friday 30 January 2026 WIN +12.9
Guillaumond, M. (Matthieu) (2173) Wednesday 28 January 2026 LOSS -9.3
Kamphuis, J. (Jasper) (2234) Tuesday 27 January 2026 DRAW +5.1
IJzermans, C.G.J. (Cees) (2152) Monday 26 January 2026 WIN +15.0
Werf van der, J. (Joël) (2202) Sunday 25 January 2026 DRAW +4.1
WFM Stefan, Iulia-Cristiana (2128) Saturday 24 January 2026 LOSS -10.9
Beukema, C.R.A. (Constantijn) (2040) Friday 23 January 2026 DRAW -1.4
Groot Bruinderink, T.R.T. (Tim) (1746) Tuesday 20 January 2026 WIN +3.0
Zuidema, R. (Roel) (1845) Tuesday 13 January 2026 WIN +5.1
Verberne, B. (Bas) (1931) Tuesday 6 January 2026 WIN +7.5
Roggeband, J.W. (Jens) (1755) Tuesday 16 December 2025 WIN +2.9
Veelen van, J. (Jouke) (2018) Saturday 13 December 2025 LOSS -15.3
Oort van, M. (Marcel) (1930) Tuesday 9 December 2025 DRAW -5.6
Eefting, C. (Martijn) (1984) Wednesday 26 November 2025 DRAW -3.8
Piket, J.J. (Joop) (2145) Saturday 22 November 2025 DRAW +1.7