KNSB FIDE
SW

Sebastiaan van Westerop

Rated since October 2004

1920 Classical

The good & the bad

Best wins
QAZI, RAFEH 1935
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
VAN DER RIET, ERNST 1903
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
HENDRIKS, JOS 1850
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
CROES, OCTAVIO (CM) 1827
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
Worst losses
PASTI, FABIO 1860
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
NIE VAN, J. (JONATHAN) 1919
Dutch Team Competition - klasse 4 Round 9 · 2026-04-11

FIDE Tournaments

Dutch Team Competition - klasse 4 Round 9 2026-04-11 +0–1=0 -10.4
Tata Steel Chess 2026 - Tienkampen 2026-01-23 +4–1=4 +18.6
Dutch Team Competition - klasse 4 Round 7 2026-02-07 +0–0=1 +0.4
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +4–1=4 +29.8
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +2–4=2 +5.6
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +6–3=0 +42.5

Rating History

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Peak Ratings

Classical 2039

Games

Wins 4
Losses 2
Draws 5
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 2 1 50%
Black 1 3 1 20%

All-time Games (from rating history)

Classical 219

Recent Matches

Nie Van, J. (jonathan) (1919) 2026-04-11 LOSS -10.4
Heijlman, Martin (1887) 2026-01-23 DRAW -0.6
Bax, Martijn (1869) 2026-01-23 DRAW -1.2
Qazi, Rafeh (1935) 2026-01-23 WIN +10.6
Graaf, Jeroen (1870) 2026-01-23 DRAW -1.2
CM Croes, Octavio (1827) 2026-01-23 WIN +7.6
Hendriks, Jos (1850) 2026-01-23 WIN +8.4
Bautista, Keith (1787) 2026-01-23 DRAW -3.4
Pasti, Fabio (1860) 2026-01-23 LOSS -11.4
Van Der Riet, Ernst (1903) 2026-01-23 WIN +9.8
Someren Van, R. (rob) (1928) 2026-02-07 DRAW +0.4