KNSB FIDE
SJ

Sebastiaan de Jong

Rated since September 2023

1762 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
HSG Open 2026 Groep C Friday 19 June 2026 +2–1=1 +8.9
51e Open Kampioenschap van Utrecht Groep C Friday 15 May 2026 +1–2=2 -4.6
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

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Peak Ratings

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

Games

Wins 40
Losses 33
Draws 14
Win Rate 46%

Performance by Color

Color Wins Draws Losses Win Rate
White 22 6 16 50%
Black 18 8 17 42%

Recent Matches

Guliyev, I. (Ingilab) (1696) Sunday 21 June 2026 WIN +10.9
Gwadera, M.M. (Magda) (1656) Sunday 21 June 2026 DRAW -3.4
Samala, Y.Y. (Yuvan Yatin) (1660) Saturday 20 June 2026 WIN +9.6
Sountheranayagam, D. (Derin) (1656) Friday 19 June 2026 LOSS -8.2
Valk, R. (Roland) (1763) Sunday 17 May 2026 DRAW +0.2
Jong de, T. (Ti) (1704) Sunday 17 May 2026 WIN +11.4
Tarigonda, S.T. (Seyan) (1727) Saturday 16 May 2026 LOSS -7.3
Gouma, R. (Ronald) (1812) Friday 15 May 2026 DRAW +2.0
Schie van, M. (Milan) (1824) Friday 15 May 2026 LOSS -11.0
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