KNSB FIDE
SD

Stefan van der Duijs

Rated since March 2026

1942 Classic
1875 Rapid
1822 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
ALFEN VAN, M.F. (RENÉ) 1894
10471 Tata Steel Chess Tournament 2026 Weekendvierkampem · Saturday 17 January 2026
KANNINGA, R. (RENÉ) 1821
13247 KNSB competitie 2025-2026 Klasse 4 ronde 8 · Saturday 7 March 2026
Worst losses
OOSTING, R. (ROBERT) 1868
13491 NHSB-competitie 2025-2026 Klasse 2D t/m 05-04-2026 · Wednesday 1 April 2026
KRAKER DE, J.A. (JOHNNY) 1929
13528 KNSB competitie 2025-2026 Klasse 4 ronde 9 · Saturday 11 April 2026
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +1–0=1 +9.9
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +0–1=0 -13.0
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +1–0=0 +8.8
NHSB-competitie 2025-2026 Klasse 2D t/m 05-04-2026 Monday 1 September 2025 +0–1=0 -15.1
NHSB-competitie 2025-2026 Klasse 2D t/m 08-03-2026 Monday 1 September 2025 +0–0=1 -2.0

Rating History

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Peak Ratings

Classic 1942 April 1, 2026
Rapid 1875 March 1, 2026
Blitz 1822 March 1, 2026

Games

Wins 2
Losses 2
Draws 2
Win Rate 33%

Performance by Color

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

Recent Matches

Kraker de, J.A. (Johnny) (1929) Saturday 11 April 2026 LOSS -13.0
Oosting, R. (Robert) (1868) Wednesday 1 April 2026 LOSS -15.1
Kanninga, R. (René) (1821) Saturday 7 March 2026 WIN +8.8
Geertsema, P.J. (Piet) (1879) Friday 6 March 2026 DRAW -2.0
Cartanya, P. (Pau) (1871) Sunday 18 January 2026 DRAW -1.9
Alfen van, M.F. (René) (1894) Saturday 17 January 2026 WIN +11.8