SH

Sebastiaan Holweg

Rated since January 2023

1736 Classic
1697 Rapid
1697 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
MORENO, P. (PAULO) 1830
13747 Amsterdam Chess Festival Weekendvierkampen 2026 Groep A · Saturday 18 July 2026
LINDENBERGH, J.A. (ANDRE) 1711
12774 SOS competitie 2025/2026 Lijst 1 feb · Friday 16 January 2026
THOEN, H. (HYLKE) 1679
13747 Amsterdam Chess Festival Weekendvierkampen 2026 Groep A · Sunday 19 July 2026
Worst losses
SIMON, A.W. (ALFONS) 1657
12411 KNSB competitie 2025-2026 Klasse 6 Ronde 3 · Saturday 22 November 2025
EIJKEN VAN, M.M. (MICHIEL) 1692
13747 Amsterdam Chess Festival Weekendvierkampen 2026 Groep A · Friday 17 July 2026
KAHMANN, M.H.E. (MARK) 1788
12213 Amsterdam Chess Open Groep C1 · Friday 24 October 2025
VERHEIJ, W. (WILLEM) 1807
12774 SOS competitie 2025/2026 Lijst 1 feb · Wednesday 21 January 2026
BOS VAN DEN, F.P. (FRANS PIETER) 1865
12213 Amsterdam Chess Open Groep C1 · Saturday 25 October 2025
Amsterdam Chess Open Groep C1 Friday 24 October 2025 +1–2=2 -93.7
Amsterdam Chess Festival Weekendvierkampen 2026 Groep A Friday 17 July 2026 +2–1=0 +32.6
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +0–1=0 -35.5
SOS competitie 2025/2026 Lijst 1 juni Monday 1 September 2025 +0–0=1 +3.5
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +1–1=0 +11.2

Team Competition

Current teams
De Rode Loper 4
Klasse 6E · 2025-2026 · 1 game
Rode Loper 3
1E · 2025-2026 · 2 games
Rode Loper 5
2D · 2025-2026 · 1 game

Rating History

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Peak Ratings

Classic 1818 March 1, 2024
Rapid 1697 March 1, 2026
Blitz 1697 March 1, 2026

Games

Wins 4
Losses 5
Draws 3
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 1 2 2 20%
Black 3 1 3 43%

Recent Matches

Thoen, H. (Hylke) (1679) Sunday 19 July 2026 WIN +24.4
Moreno, P. (Paulo) (1830) Saturday 18 July 2026 WIN +35.2
Eijken van, M.M. (Michiel) (1692) Friday 17 July 2026 LOSS -27.0
Jansen, J.A.M.M. (Jan) (1746) Friday 8 May 2026 DRAW +3.5
Verheij, W. (Willem) (1807) Wednesday 21 January 2026 LOSS -19.5
Lindenbergh, J.A. (Andre) (1711) Friday 16 January 2026 WIN +30.7
Simon, A.W. (Alfons) (1657) Saturday 22 November 2025 LOSS -35.5
Roodenburg, A. (Alexander) (1667) Sunday 26 October 2025 DRAW -14.5
Silke Balerna, Pietro (1728) Sunday 26 October 2025 DRAW -8.9
Bos van den, F.P. (Frans Pieter) (1865) Saturday 25 October 2025 LOSS -31.3
Kahmann, M.H.E. (Mark) (1788) Friday 24 October 2025 LOSS -39.0
Agarwal, A. (Amit) Friday 24 October 2025 WIN