KNSB FIDE
SJ

Sebastiaan de Jong

Rated since September 2023

1758 Classic
1715 Rapid
1786 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
RUMPT VAN, D. (DICK) 1808
12775 SOS competitie 2025/2026 Lijst 1 mrt · Thursday 5 February 2026
MUTONJI, O. (OSCAR) 1794
13249 KNSB competitie 2025-2026 Klasse 6 ronde 7 · Saturday 7 March 2026
PIEPER, R. (ROY) 1783
11708 Open NK Schaken 2025 Reserve C · Friday 25 July 2025
LANGE DE, J.B. (JOHAN) 1776
10073 KNSB competitie 2024-2025 Klasse 6 ronde 4 · Saturday 14 December 2024
BULTHUIS, G.J. (GERARD) 1747
12993 KNSB competitie 2025-2026 Klasse 6 ronde 6 · Saturday 7 February 2026
Worst losses
JORRITSMA, E.A. (ELI ALIA) 1359
7493 Chessable Open NK 2023 Zesrondig 2 · Tuesday 25 July 2023
FEENSTRA, B. (BRAM) 1412
8074 KNSB competitie 2023-2024 Klasse 6 ronde 4 · Saturday 16 December 2023
SLEEN VAN DER, J. (JAN) 1553
7807 KNSB competitie 2023-2024 Klasse 6 ronde 3 · Saturday 25 November 2023
BESSELSE, R.M.M. (RIEN) 1560
12777 SOS competitie 2025/2026 Lijst 1 mei · Friday 24 April 2026
KEULEN VAN, C. (KEES) 1571
10786 ASV Voorjaarstoernooi Groep C · Saturday 15 March 2025
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +0–0=3 -0.8
Open Schaakkampioenschap van Arnhem OSKA 2025 Groep B Friday 5 September 2025 +2–2=0 -26.0
Open NK Schaken 2025 Reserve C Tuesday 22 July 2025 +7–0=2 +112.3
ASV Voorjaarstoernooi Groep C Saturday 15 March 2025 +4–2=1 +15.6
Tata Steel Chess Tournament 2025 Dagvierkampen Friday 17 January 2025 +1–1=1 +1.6
Open NK Schaken 2024 Zesrondig 2 Monday 22 July 2024 +2–3=1 -13.0
Tata Steel Chess Tournament 2024 Dagvierkampen Friday 12 January 2024 +3–0=0 +66.6
OSBO-Cup 2025/2026 26 maart tm finaledag Monday 1 December 2025 +0–1=0 -7.0
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +1–0=0 +12.7
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +1–0=0 +15.2
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +1–0=0 +14.9
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -10.3
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0 +12.7
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +0–1=0 -13.2
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +0–1=0 -14.3
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +0–1=0 -21.4
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +1–0=0 +17.2
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–1=0 -14.6
KNSB competitie 2024-2025 Klasse 6 ronde 7 Saturday 21 September 2024 +0–1=0 -13.7
KNSB competitie 2024-2025 Klasse 6 ronde 6 Saturday 21 September 2024 +0–1=0 -12.1
KNSB competitie 2024-2025 Klasse 6 ronde 5 Saturday 21 September 2024 +0–0=1 +0.7
KNSB competitie 2024-2025 Klasse 6 ronde 4 Saturday 21 September 2024 +1–0=0 +27.7
KNSB competitie 2024-2025 Klasse 6 ronde 3 Saturday 21 September 2024 +0–1=0 -14.4
KNSB competitie 2024-2025 Klasse 6 ronde 2 Saturday 21 September 2024 +0–0=1 +9.3
KNSB competitie 2024-2025 Klasse 6 ronde 1 Saturday 21 September 2024 +0–1=0
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +1–1=0 +6.6
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +1–0=1 +14.1
KNSB competitie 2023-2024 Klasse 6 ronde 7 Saturday 16 September 2023 +0–1=0 -23.6
KNSB competitie 2023-2024 Klasse 6 ronde 6 Saturday 16 September 2023 +1–0=0 +9.8
KNSB competitie 2023-2024 Klasse 6 ronde 5 Saturday 16 September 2023 +1–0=0
KNSB competitie 2023-2024 Klasse 6 ronde 4 Saturday 16 September 2023 +0–1=0 -17.1
KNSB competitie 2023-2024 Klasse 6 ronde 3 Saturday 16 September 2023 +0–1=0 -25.3
KNSB competitie 2023-2024 Klasse 6 ronde 1 Saturday 16 September 2023 +1–0=0
Open kampioenschap van Arnhem Groep B Friday 8 September 2023 +2–3=0 -44.1
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +0–1=0 -21.1
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +0–1=0
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +1–0=0 +32.2
Chessable Open NK 2023 Zesrondig 2 Monday 24 July 2023 +3–3=0 +106.9
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +1–0=0

Rating History

Loading rating history...

Peak Ratings

Classic 1792 Sept. 1, 2025
Rapid 1715 April 1, 2025
Blitz 1786 April 1, 2026

Games

Wins 37
Losses 30
Draws 11
Win Rate 47%

Performance by Color

Color Wins Draws Losses Win Rate
White 21 4 15 52%
Black 16 7 15 42%

Recent Matches

Besselse, R.M.M. (Rien) (1560) Friday 24 April 2026 LOSS -21.4
Laanen van, T. (Thei) (1728) Saturday 28 March 2026 WIN +12.7
Ginkel van, J.M. (John) (1949) Friday 27 March 2026 LOSS -7.0
Mutonji, O. (Oscar) (1794) Saturday 7 March 2026 WIN +15.2
Bulthuis, G.J. (Gerard) (1747) Saturday 7 February 2026 WIN +14.9
Rumpt van, D. (Dick) (1808) Thursday 5 February 2026 WIN +17.2
Roos, G. (Gerrit) (1774) Wednesday 21 January 2026 DRAW +1.3
Rychkov, A. (Artem) (1590) Tuesday 20 January 2026 DRAW -2.9
Coenjaerts, R.M.E. (René) (1761) Monday 19 January 2026 DRAW +0.8
Sampson, E. (Elijah) (1741) Friday 16 January 2026 LOSS -14.6
Ridder de, E.L. (Eric) (1860) Saturday 13 December 2025 LOSS -10.3
Vegter, L.J. (Leen) (1696) Saturday 22 November 2025 WIN +12.7
Dam, P.L. (Pjotr) (1795) Saturday 1 November 2025 LOSS -13.2
Boom, H. (Harold) (1786) Saturday 4 October 2025 LOSS -14.3
Kooman, J. (Ko) (1616) Sunday 7 September 2025 WIN +8.5
Weerdhof van de, E.C. (Erik) (1616) Sunday 7 September 2025 LOSS -23.0
Ganeshram, N. (Niranjana) (1687) Saturday 6 September 2025 LOSS -20.3
Jongejan, H.E. (Eviënne) (1626) Saturday 6 September 2025 WIN +8.8
Vreeze de, F. (Frans) (1711) Wednesday 30 July 2025 DRAW +1.5
Oostenbrugge van, G.J. (Gert-Jan) (1668) Tuesday 29 July 2025 WIN +16.9