KNSB FIDE
RD

Ralf Duong

Rated since March 2026

1822 Classic
1816 Rapid
1891 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
IERSEL VAN, J.A.M. (HANS) 1996
13578 BOKS, tevens NBSB Snelschaakkampioenschap a · Saturday 4 April 2026
BUF DU, P.A.C. (PAUL) 1895
13578 BOKS, tevens NBSB Snelschaakkampioenschap a · Saturday 4 April 2026
SEKREVE, B. (BRAM) 1827
13578 BOKS, tevens NBSB Snelschaakkampioenschap a · Saturday 4 April 2026
DO, H. (HUONG) 1783
12992 KNSB competitie 2025-2026 Klasse 5 ronde 6 · Saturday 7 February 2026
PLUKKEL, G. (GUUS) 1678
13578 BOKS, tevens NBSB Snelschaakkampioenschap a · Saturday 4 April 2026
Worst losses
BOXEL VAN, T. (TAMARA) 1668
13578 BOKS, tevens NBSB Snelschaakkampioenschap a · Saturday 4 April 2026
LICHT, R. (RUUD) 1741
11987 NBSB Avondcompetitie 2025-2026 Ronde 6 · Monday 23 February 2026
TRAAS, W.D. (WIM) 1767
13578 BOKS, tevens NBSB Snelschaakkampioenschap a · Saturday 4 April 2026
THOLE, T. (TIM) 1784
13578 BOKS, tevens NBSB Snelschaakkampioenschap a · Saturday 4 April 2026
SCHELLINGERHOUT, N. (NICO) 1880
13315 KNSB competitie 2025-2026 Klasse 5 ronde 5 · Saturday 28 March 2026
No FIDE-rated tournaments found.
BOKS, tevens NBSB Snelschaakkampioenschap a Saturday 4 April 2026 +6–5=0 -16.7
NBSB Avondcompetitie 2025-2026 Ronde 7 Monday 22 September 2025 +1–0=0
NBSB Avondcompetitie 2025-2026 Ronde 6 Monday 22 September 2025 +0–1=0 -25.8
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +0–1=0 -18.9
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +0–0=1 -3.5
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +1–0=0 +15.9

Rating History

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Peak Ratings

Classic 1870 March 1, 2026
Rapid 1816 March 1, 2026
Blitz 1891 March 1, 2026

Games

Wins 8
Losses 7
Draws 1
Win Rate 50%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 1 2 57%
Black 4 0 5 44%

Recent Matches

Traas, W.D. (Wim) (1767) Saturday 4 April 2026 LOSS -27.8
Iersel van, J.A.M. (Hans) (1996) Saturday 4 April 2026 WIN +26.7
Sekreve, B. (Bram) (1827) Saturday 4 April 2026 WIN +17.1
Plukkel, G. (Guus) (1678) Saturday 4 April 2026 WIN +9.5
FM Becx, C. (César) (2151) Saturday 4 April 2026 LOSS -7.5
Schraets, M. (Mark) (1617) Saturday 4 April 2026 WIN +7.0
Plukkel, V. (Veerle) (1287) Saturday 4 April 2026 WIN +0.7
Boxel van, T. (Tamara) (1668) Saturday 4 April 2026 LOSS -32.5
Thole, T. (Tim) (1784) Saturday 4 April 2026 LOSS -26.9
CM Sprangers, R. (Remco) (2261) Saturday 4 April 2026 LOSS -4.1
Buf du, P.A.C. (Paul) (1895) Saturday 4 April 2026 WIN +21.0
Schellingerhout, N. (Nico) (1880) Saturday 28 March 2026 LOSS -18.9
Ophorst, J. (Harm) Monday 16 March 2026 WIN
Severeijnen, P.M.M. (Peter) (1804) Saturday 7 March 2026 DRAW -3.5
Licht, R. (Ruud) (1741) Monday 23 February 2026 LOSS -25.8
Do, H. (Huong) (1783) Saturday 7 February 2026 WIN +15.9