KNSB FIDE
DE

Duncan Elferink

Rated since March 2026

1801 Classic
1728 Rapid
1727 Blitz

RIVALRY

Nemesis
Garay, E. (Enzo)
Games: 3 · Win rate: 0%
Kryptonite
Vlieger, O. (Olaf)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
LEEK VAN DER, W.M. (MARK) 1920
13155 Johan Van Mil Snelschaak toernooi Groep A · Sunday 26 April 2026
KULIKOVA, P. (POLINA) 1847
10726 Kwalificatie 3 NK ABC Groep A · Saturday 14 February 2026
STERNFELD, D. (DOUWE) 1839
12006 NK Snelschaak voor clubteams Groep A · Sunday 29 March 2026
SMEETS, B. (BENT) 1832
13155 Johan Van Mil Snelschaak toernooi Groep A · Sunday 26 April 2026
GNANASEKARAN, M. (MITHRAN) 1812
13155 Johan Van Mil Snelschaak toernooi Groep A · Sunday 26 April 2026
Worst losses
ABIBULA, M.A. (MELVIN) 1582
12529 Open Dordrecht Rapidtoernooi Open Dordrecht · Saturday 28 February 2026
HADJIIOANNOU, MICHALIS 1659
12699 Chessfestival Groningen Open C · Wednesday 24 December 2025
KLIMOVICH, HANNA 1703
12699 Chessfestival Groningen Open C · Monday 22 December 2025
SMEETS, B. (BENT) 1750
12529 Open Dordrecht Rapidtoernooi Open Dordrecht · Saturday 28 February 2026
STEIN, DANIEL 1770
10471 Tata Steel Chess Tournament 2026 Weekendvierkampem · Friday 16 January 2026
Johan Van Mil Snelschaak toernooi Groep A Sunday 26 April 2026 +9–9=1 +39.0
NK Snelschaak voor clubteams Groep A Sunday 29 March 2026 +7–13=0 +6.8
Open Dordrecht Rapidtoernooi Open Dordrecht Saturday 28 February 2026 +3–4=2 -27.5
85e Daniel Noteboomtoernooi Groep B Friday 20 February 2026 +1–4=1 -39.6
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +2–1=0 +18.8
Chessfestival Groningen Open C Sunday 21 December 2025 +4–4=0 +10.9
Kwalificatie 3 NK ABC Groep A Saturday 14 February 2026 +3–4=0 +11.4
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +1–0=0 +16.7
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +1–0=0 +17.8
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +0–1=0 -5.8

Rating History

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Peak Ratings

Classic 1801 April 1, 2026
Rapid 1750 March 1, 2026
Blitz 1755 March 1, 2026

Games

Wins 31
Losses 40
Draws 4
Win Rate 41%

Performance by Color

Color Wins Draws Losses Win Rate
White 13 2 20 37%
Black 18 2 20 45%

Recent Matches

Kondrashov, M. (Mark) (1730) Sunday 26 April 2026 WIN +18.2
Hardeman, M. (Martijn) (1827) Sunday 26 April 2026 DRAW +3.6
Geene van, D. (Daan) (1528) Sunday 26 April 2026 WIN +8.3
Dixit, A.A. (Aditya) (1828) Sunday 26 April 2026 LOSS -16.4
Panmalkar, V. (Viraaj) (1343) Sunday 26 April 2026 WIN +2.9
Bruls, S. (Sven) (1889) Sunday 26 April 2026 LOSS -13.1
Narayan, A. (Aditya) (1480) Sunday 26 April 2026 WIN +6.5
Meijer, D. (Daniël) (1775) Sunday 26 April 2026 LOSS -19.3
Vegaraju, A. (Atharva) (1938) Sunday 26 April 2026 LOSS -10.8
Cayonlu, A. (Arda) (1968) Sunday 26 April 2026 LOSS -9.4
Leek van der, W.M. (Mark) (1920) Sunday 26 April 2026 WIN +28.4
Mukhamadaminov,Shokhjakhon (1638) Sunday 26 April 2026 WIN +13.3
Preuter, J.C. (Carlos) (2028) Sunday 26 April 2026 LOSS -7.0
Franx, J. (Jan Paul) (1774) Sunday 26 April 2026 WIN +20.7
Backiel, Robert (1824) Sunday 26 April 2026 LOSS -16.6
Gnanasekaran, M. (Mithran) (1812) Sunday 26 April 2026 WIN +22.8
Ydo, W.J. (Pim) (2018) Sunday 26 April 2026 LOSS -7.4
Naalden, M. (Marc) (1966) Sunday 26 April 2026 LOSS -9.5
Smeets, B. (Bent) (1832) Sunday 26 April 2026 WIN +23.9
Baldé, E.O.D. (Esko) (1742) Saturday 11 April 2026 WIN +16.7