KNSB FIDE
JO

Jeroen Olislagers

Rated since January 2023

1794 Classic
1692 Rapid
1790 Blitz

RIVALRY

Nemesis
Vucinec, S.I. (Sacha)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
KOK, M.F. (MARIJKE) 1845
12774 SOS competitie 2025/2026 Lijst 1 feb · Friday 16 January 2026
WILLIGHAGEN, G.J. (GERT-JAN) 1815
6235 KNSB competitie 2022-2023 Klasse 4 ronde 5 · Saturday 17 December 2022
BOITTIN, P. (PASCAL) 1798
9777 Henk Bloemink Vierkampentoernooi Groep A · Tuesday 24 June 2025
WILLEMSE, M. (MAX) 1791
13248 KNSB competitie 2025-2026 Klasse 5 ronde 7 · Saturday 7 March 2026
VEERMAN, H.P.J. (HENK) 1788
10470 Tata Steel Chess Tournament 2026 Tienkampen · Tuesday 27 January 2026
Worst losses
MAKAROV, Y.M. (YELENA) 1417
13816 BSG PinksterRapidtoernooi Groep B · Monday 25 May 2026
BAARS, A. (AREND) 1491
7606 SOS Competitie 2023/2024 December 2023 · Monday 4 December 2023
APELDOORN VAN, V. (VERA) 1551
7641 KNSB competitie 2023-2024 Klasse 5 ronde 1 · Saturday 7 October 2023
POPTA VAN, S. (SEBASTIAAN) 1641
13816 BSG PinksterRapidtoernooi Groep B · Monday 25 May 2026
KRUISSELBRINK, J. (JAN) 1676
11472 Pinkstertoernooi Groep B · Monday 9 June 2025
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +3–5=0 -27.0
HSG Open 2024 Groep B Friday 21 June 2024 +2–3=1 -24.7
BSG PinksterRapidtoernooi Groep B Monday 25 May 2026 +3–4=0 -46.5
SGS Bekercompetitie 2025-2026 2026-02 Wednesday 1 October 2025 +0–1=0 -7.4
SGS Bekercompetitie 2025-2026 SGS Beker 2025-12 Wednesday 1 October 2025 +0–1=0 -3.1
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +1–0=0 +13.4
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +1–0=0 +13.8
KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +0–0=1 +1.8
KNSB competitie 2025-2026 Klasse 5 Ronde 3 Saturday 20 September 2025 +0–0=1 +1.4
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +0–1=0 -10.9
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +1–1=0 +3.9
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +1–0=0 +10.2
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–0=1 +2.4
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +1–0=0 +14.7
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–1=0 -11.5
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 -1.9
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–0=1 +7.8
Open Eemlandtoernooi 2025 Groep B Tuesday 26 August 2025 +4–2=1 +8.3
Henk Bloemink Vierkampentoernooi Groep A Tuesday 10 June 2025 +1–1=1 +7.9
Pinkstertoernooi Groep B Monday 9 June 2025 +3–4=0 -32.8
KNSB competitie 2024-2025 Klasse 6 ronde 7 Saturday 21 September 2024 +1–0=0 +12.1
KNSB competitie 2024-2025 Klasse 6 ronde 6 Saturday 21 September 2024 +0–0=1
KNSB competitie 2024-2025 Klasse 6 ronde 5 Saturday 21 September 2024 +0–0=1 -3.5
KNSB competitie 2024-2025 Klasse 6 ronde 4 Saturday 21 September 2024 +1–0=0 +10.7
KNSB competitie 2024-2025 Klasse 6 ronde 3 Saturday 21 September 2024 +1–0=0
KNSB competitie 2024-2025 Klasse 6 ronde 2 Saturday 21 September 2024 +1–0=0
KNSB competitie 2024-2025 Klasse 6 ronde 1 Saturday 21 September 2024 +1–0=0
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–0=1 +10.2
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +0–1=0 -2.0
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +0–1=0 -4.7
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +0–1=0 -4.2
SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +0–1=0 -11.0
SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +0–1=0 -9.8
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +0–2=0 -19.2
KNSB competitie 2023-2024 Klasse 5 ronde 7 Saturday 16 September 2023 +0–1=0
KNSB competitie 2023-2024 Klasse 5 ronde 6 Saturday 16 September 2023 +0–0=1 -0.2
KNSB competitie 2023-2024 Klasse 5 ronde 5 Saturday 16 September 2023 +2–0=0 +34.6
KNSB competitie 2023-2024 Klasse 5 ronde 3 Saturday 16 September 2023 +0–0=1 +6.1
KNSB competitie 2023-2024 Klasse 5 ronde 2 Saturday 16 September 2023 +1–0=0 +16.8
KNSB competitie 2023-2024 Klasse 5 ronde 1 Saturday 16 September 2023 +0–1=0 -11.8
SOS Competitie 2023/2024 Juni 2024 Friday 1 September 2023 +1–0=0 +11.3
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +0–1=0 -16.6
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +1–0=0 +13.7
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +0–1=0 -12.5
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +0–1=0
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +0–1=0 -24.7
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +0–1=0 -10.7
KNSB competitie 2022-2023 Klasse 4 ronde 7 Saturday 17 September 2022 +1–0=0 +23.9
KNSB competitie 2022-2023 Klasse 4 ronde 5 Saturday 17 September 2022 +1–0=0 +30.5
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +2–0=0 +17.7
SOS Competitie 2022/2023 April 2023(K2) Monday 12 September 2022 +1–0=0 +4.7
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–1=1 +12.0
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +1–0=0 +19.4

Team Competition

Current teams
BSG 1
HKC · 2025-2026 · 1 game
BSG 2
1D · 2025-2026 · 7 games
BSG 3
Klasse 5C · 2025-2026 · 5 games
Past teams
BSG 2
HKC · 2024-2025
BSG 3
Klasse 6D · 2024-2025
BSG 2
1C · 2023-2024
BSG 3
Klasse 5E · 2023-2024
BSG 1
HKB · 2022-2023
BSG 2
Klasse 4E · 2022-2023
BSG 2
2E · 2022-2023
BSG 1
HKB · 2021-2022
BSG 2
2E · 2021-2022
BSG 2
Klasse 4C · 2021-2022

Rating History

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Peak Ratings

Classic 1823 April 1, 2024
Rapid 1738 July 1, 2025
Blitz 1790 April 1, 2026

Games

Wins 37
Losses 39
Draws 14
Win Rate 41%

Performance by Color

Color Wins Draws Losses Win Rate
White 18 8 17 42%
Black 19 6 22 40%

Recent Matches

Smit, T. (Tom) (1523) Monday 25 May 2026 WIN +5.7
Verschoor, M. (Marcel) (1739) Monday 25 May 2026 LOSS -12.5
Makarov, M.S. (Maksim) (1296) Monday 25 May 2026 WIN +1.5
Makarov, Y.M. (Yelena) (1417) Monday 25 May 2026 LOSS -21.8
Ganesh, S. (Sriharithra) (1572) Monday 25 May 2026 WIN +7.1
Robinson, R. (Roland) (1797) Monday 25 May 2026 LOSS -10.5
Popta van, S. (Sebastiaan) (1641) Monday 25 May 2026 LOSS -15.9
Drent, S. (Sjoerd) (1938) Friday 24 April 2026 LOSS -7.6
Sprong, M.J.H.M. (Martin) (1759) Monday 20 April 2026 WIN +11.4
Ackerman, J.C. (Jan) (1779) Saturday 28 March 2026 WIN +13.4
Stekelenburg, R.F. (Roy) (1687) Friday 20 March 2026 WIN +10.2
Willemse, M. (Max) (1791) Saturday 7 March 2026 WIN +13.8
Burer, A.R.M. (Audry) (1846) Monday 9 February 2026 DRAW +2.4
Beverdam, F. (Frank) (1807) Sunday 1 February 2026 LOSS -11.6
Sennema, R. (Remy) (1936) Saturday 31 January 2026 LOSS -7.4
Dijkstra, T.C. (Theo) (1793) Friday 30 January 2026 LOSS -12.1
Fritz, W.D. (Werner) (1722) Wednesday 28 January 2026 WIN +10.4
Veerman, H.P.J. (Henk) (1788) Tuesday 27 January 2026 WIN +12.7
Lindeboom, F. (Fokke) (1774) Monday 26 January 2026 WIN +12.2
Bakker, J.S. (John) (1764) Sunday 25 January 2026 LOSS -13.1