KNSB FIDE
RD

Roelf Jan Duin

Rated since January 2023

1775 Classic
1783 Rapid
1771 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
MEERKERK VAN, J. (JAAP) 1802
10471 Tata Steel Chess Tournament 2026 Weekendvierkampem · Saturday 17 January 2026
STEENSMA, F. (FRANK) 1761
13076 SGA Competitie 2025-2026 2e Klasse A ronde 4 · Thursday 19 February 2026
SLUIS VAN DER, J.M.H. (JAN) 1700
12679 SGA Competitie 2025-2026 2e Klasse A ronde 1 en 3 · Wednesday 17 December 2025
AU, W. (WILLY) 1677
12679 SGA Competitie 2025-2026 2e Klasse A ronde 1 en 3 · Thursday 23 October 2025
Worst losses
GEUKES, R.B. (ROB) 1761
12484 SGA Competitie 2025-2026 2e Klasse A ronde 2 · Thursday 20 November 2025
HEINEN, D. (DAI) 1793
10471 Tata Steel Chess Tournament 2026 Weekendvierkampem · Friday 16 January 2026
POSTEMA, W.N.J. (WIM) 1803
13374 SGA Competitie 2025-2026 2e Klasse A ronde 4 en 5 · Wednesday 18 March 2026
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +1–1=1 +1.8
SGA Competitie 2025-2026 2e Klasse A ronde 6 Wednesday 1 October 2025 +0–0=1 +3.8
SGA Competitie 2025-2026 2e Klasse A ronde 4 en 5 Wednesday 1 October 2025 +0–1=0 -11.9
SGA Competitie 2025-2026 2e Klasse A ronde 4 Wednesday 1 October 2025 +1–0=0 +12.3
SGA Competitie 2025-2026 2e Klasse A ronde 1 en 3 Wednesday 1 October 2025 +2–0=0 +21.6
SGA Competitie 2025-2026 2e Klasse A ronde 2 Wednesday 1 October 2025 +0–1=0 -13.2

Rating History

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Peak Ratings

Classic 1783 March 1, 2026
Rapid 1783 July 1, 2025
Blitz 1783 March 1, 2026

Games

Wins 4
Losses 3
Draws 2
Win Rate 44%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 1 1 50%
Black 2 1 2 40%

Recent Matches

Reemst, M. (Marnix) (1882) Thursday 16 April 2026 DRAW +3.8
Postema, W.N.J. (Wim) (1803) Wednesday 18 March 2026 LOSS -11.9
Steensma, F. (Frank) (1761) Thursday 19 February 2026 WIN +12.3
Franx, J. (Jan Paul) (1762) Sunday 18 January 2026 DRAW -0.3
Meerkerk van, J. (Jaap) (1802) Saturday 17 January 2026 WIN +14.1
Heinen, D. (Dai) (1793) Friday 16 January 2026 LOSS -12.0
Sluis van der, J.M.H. (Jan) (1700) Wednesday 17 December 2025 WIN +11.4
Geukes, R.B. (Rob) (1761) Thursday 20 November 2025 LOSS -13.2
Au, W. (Willy) (1677) Thursday 23 October 2025 WIN +10.2