KNSB FIDE
JW

Jan-Willem Welberg

Rated since March 2026

1787 Classic
1787 Rapid
1787 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
CLOOSTERMAN, T. (TEUN) 1744
12594 KNSB competitie 2025-2026 Klasse 5 ronde 4 · Saturday 13 December 2025
LEEUW DE, P.L. (PIET) 1721
13315 KNSB competitie 2025-2026 Klasse 5 ronde 5 · Saturday 28 March 2026
POUELS, F.J.J. (FRANK) 1583
12411 KNSB competitie 2025-2026 Klasse 6 Ronde 3 · Saturday 22 November 2025
BINNENDIJK, I. (IVA) 1540
12266 KNSB competitie 2025-2026 Klasse 6 ronde 2 · Saturday 1 November 2025
Worst losses
MEIJER, J. (JOAS) 1750
12775 SOS competitie 2025/2026 Lijst 1 mrt · Thursday 5 February 2026
KLINK, D.G. (DENNIE) 1863
13528 KNSB competitie 2025-2026 Klasse 4 ronde 9 · Saturday 11 April 2026
KRONEMEIJER, S. (SIMON) 2027
13246 KNSB competitie 2025-2026 Klasse 3 ronde 8 · Saturday 7 March 2026
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +0–1=0 -22.0
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +1–0=0 +25.7
KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +0–1=0 -11.2
KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +1–0=0 +31.3
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0 +23.1
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +1–0=0 +19.4
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–1=0 -17.3

Rating History

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Peak Ratings

Classic 1787 April 1, 2026
Rapid 1787 April 1, 2026
Blitz 1787 April 1, 2026

Games

Wins 4
Losses 3
Draws 0
Win Rate 57%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 0 1 67%
Black 2 0 2 50%

Recent Matches

Klink, D.G. (Dennie) (1863) Saturday 11 April 2026 LOSS -22.0
Leeuw de, P.L. (Piet) (1721) Saturday 28 March 2026 WIN +25.7
Kronemeijer, S. (Simon) (2027) Saturday 7 March 2026 LOSS -11.2
Meijer, J. (Joas) (1750) Thursday 5 February 2026 LOSS -17.3
Cloosterman, T. (Teun) (1744) Saturday 13 December 2025 WIN +31.3
Pouels, F.J.J. (Frank) (1583) Saturday 22 November 2025 WIN +23.1
Binnendijk, I. (Iva) (1540) Saturday 1 November 2025 WIN +19.4