KNSB FIDE
SA

Sylvester Aartsen

Rated since March 2026

1416 Classic
1416 Rapid
1416 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
RUYTER DE, R. (ROB) 1506
10941 NBSB Avondcompetitie 2024-2025 Ronde 6 · Monday 17 March 2025
Worst losses
NIJS DE, P.G.A.M. (PIETER) 1543
12914 Open Roosendaalsche 2025-2026 Ronde 4 · Monday 19 January 2026
MAANEN VAN, C. (CASPER) 1588
11985 NBSB Avondcompetitie 2025-2026 Ronde 4 · Thursday 11 December 2025
KOOLHOVEN, G. (GIOVANNI) 1651
13248 KNSB competitie 2025-2026 Klasse 5 ronde 7 · Saturday 7 March 2026
ZOOTJES, M. (MARK) 1670
12992 KNSB competitie 2025-2026 Klasse 5 ronde 6 · Saturday 7 February 2026
ROBBEN, B. (BAS) 1686
12696 Open Roosendaalsche 2025-2026 Ronde 3 · Monday 22 December 2025
No FIDE-rated tournaments found.
Open Roosendaalsche 2025-2026 Ronde 5 Monday 27 October 2025 +0–0=1 +14.5
Open Roosendaalsche 2025-2026 Ronde 4 Monday 27 October 2025 +0–1=0 -33.9
Open Roosendaalsche 2025-2026 Ronde 3 Monday 27 October 2025 +0–1=0
Open Roosendaalsche 2025-2026 Ronde 2 Monday 27 October 2025 +0–1=0
NBSB Avondcompetitie 2025-2026 Ronde 4 Monday 22 September 2025 +0–1=0
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +0–1=0 -7.6
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +0–1=0 -16.0
NBSB Avondcompetitie 2024-2025 Ronde 6 Monday 30 September 2024 +1–0=0
KNSB competitie 2024-2025 Klasse 5 ronde 1 Saturday 21 September 2024 +0–1=0
NBSB Competitie 2023/2024 2e helft Groep A Sunday 24 December 2023 +0–0=1

Rating History

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Peak Ratings

Classic 1416 April 1, 2026
Rapid 1416 April 1, 2026
Blitz 1416 April 1, 2026

Games

Wins 1
Losses 7
Draws 2
Win Rate 10%

Performance by Color

Color Wins Draws Losses Win Rate
White 1 2 3 17%
Black 0 0 4 0%

Recent Matches

Koolhoven, G. (Giovanni) (1651) Saturday 7 March 2026 LOSS -7.6
Helden van, J.C. (John) (1551) Monday 2 March 2026 DRAW +14.5
Zootjes, M. (Mark) (1670) Saturday 7 February 2026 LOSS -16.0
Nijs de, P.G.A.M. (Pieter) (1543) Monday 19 January 2026 LOSS -33.9
Robben, B. (Bas) (1686) Monday 22 December 2025 LOSS
Maanen van, C. (Casper) (1588) Thursday 11 December 2025 LOSS
Elven van, E.F.A. (Erik) (1914) Monday 24 November 2025 LOSS
Ruyter de, R. (Rob) (1506) Monday 17 March 2025 WIN
Frouws, W. (Willem) (1763) Saturday 12 October 2024 LOSS
Opdorp van, E. (Eddy) (1309) Monday 12 February 2024 DRAW