KNSB FIDE
DE

Duncan Elferink

Rated since August 2023

1764 Classical
1589 Rapid
1710 Blitz

RIVALRY

Nemesis
Vlieger, Olaf
Games: 3 · Win rate: 0%

The good & the bad

Best wins
VAN DER LEEK, MARK 1869
Johan van Mil Toernooi 2026 · 2026-04-26
SMEETS, BENT 1842
Johan van Mil Toernooi 2026 · 2026-04-26
GNANASEKARAN, MITHRAN 1795
Johan van Mil Toernooi 2026 · 2026-04-26
SUI MEZ, ALKAN 1781
85e Noteboomtoernooi · 2026-02-20
FRANX, JAN PAUL 1772
Johan van Mil Toernooi 2026 · 2026-04-26
Worst losses
SMEETS, BENT 1540
Open Dordrecht rapidtoernooi 2026 · 2026-02-28
ABIBULA, MELVIN 1582
Open Dordrecht rapidtoernooi 2026 · 2026-02-28
HADJIIOANNOU, MICHALIS 1659
Chessfestival Groningen 2025 Open C · 2025-12-21
KLIMOVICH, HANNA 1702
Chessfestival Groningen 2025 Open C · 2025-12-21
VAN ZUILEN, BRAM 1760
NK Snelschaak voor Clubteams 2025 · 2026-03-29

FIDE Tournaments

Dutch Team Competition - klasse 4 Round 9 2026-04-11 +1–0=0 +16.0
Johan van Mil Toernooi 2026 2026-04-26 +4–8=1 +69.6
Dutch Team Competition - klasse 5 Round 5 2026-03-28 +1–0=0 +19.2
Open Dordrecht rapidtoernooi 2026 2026-02-28 +1–4=1 -34.8
NK Snelschaak voor Clubteams 2025 2026-03-29 +1–13=0 -100.0
Dutch Team Competition - klasse 5 Round 6 2026-02-07 +0–1=0 -6.8
85e Noteboomtoernooi 2026-02-20 +1–4=1 -36.4
Chessfestival Groningen 2025 Open C 2025-12-21 +4–2=0 +31.6
Tata Steel Chess 2026 - Weekendvierkampen 2026-01-16 +2–1=0 +21.2
Dutch Team Competition - klasse 5 Round 4 2025-12-13 +0–0=1 +11.6
51e Open Kampioenschap van Utrecht Groep C Friday 15 May 2026 +0–2=4 -65.3
Open NK Rapid Groep A Saturday 2 May 2026 +3–4=2 +13.4
85e Daniel Noteboomtoernooi Groep B Friday 20 February 2026 +1–4=1 -39.6
Chessfestival Groningen Open C Sunday 21 December 2025 +4–4=0 +10.9

Rating History

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Peak Ratings

Classical 1772
Rapid 1624
Blitz 1740

Games

Wins 15
Losses 33
Draws 4
Win Rate 29%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 2 15 32%
Black 7 2 18 26%

All-time Games (from rating history)

Classical 57
Rapid 19
Blitz 89

Recent Matches

Balde, E.o.d. (esko) (1673) 2026-04-11 WIN +16.0
Preuter, Carlos (1998) 2026-04-26 LOSS -4.0
Van Der Leek, Mark (1869) 2026-04-26 WIN +31.6
Cayonlu, Arda (1899) 2026-04-26 LOSS -7.2
Vegaraju, Atharva (1881) 2026-04-26 LOSS -8.0
Bruls, Sven (1817) 2026-04-26 LOSS -10.8
Dixit, Aditya (1846) 2026-04-26 LOSS -9.6
Hardeman, Martijn (1895) 2026-04-26 DRAW +12.4
Smeets, Bent (1842) 2026-04-26 WIN +30.4
Naalden, Marc (1943) 2026-04-26 LOSS -5.6
Ydo, Pim (1973) 2026-04-26 LOSS -4.8
Gnanasekaran, Mithran (1795) 2026-04-26 WIN +28.4
Backiel, Robert (1824) 2026-04-26 LOSS -10.4
Franx, Jan Paul (1772) 2026-04-26 WIN +27.2
Beijen, C.m. (cees) (1717) 2026-03-28 WIN +19.2
Vlieger, Olaf 2026-02-28 LOSS -3.2
Patil, Anay (1614) 2026-02-28 DRAW -0.4
Ermes, Marc (1656) 2026-02-28 WIN +21.6
Cayonlu, Arda (1936) 2026-02-28 LOSS -5.6
Smeets, Bent (1540) 2026-02-28 LOSS -24.8
Abibula, Melvin (1582) 2026-02-28 LOSS -22.4
Vlieger, Olaf (2076) 2026-03-29 LOSS -4.8
Garay, Enzo (1980) 2026-03-29 LOSS -8.0
Vlieger, Olaf (2076) 2026-03-29 LOSS -4.8
Van Zuilen, Bram (1760) 2026-03-29 WIN +21.2
Garay, Enzo (1980) 2026-03-29 LOSS -8.0
Van Zuilen, Bram (1760) 2026-03-29 LOSS -18.8
CM Bruil, Rembrandt (2123) 2026-03-29 LOSS -3.6
Rookus, Sjoerd (1929) 2026-03-29 LOSS -10.0
Schoonackers, Jeroen (1940) 2026-03-29 LOSS -9.6
Schut, Hein (1825) 2026-03-29 LOSS -15.2
CM Bruil, Rembrandt (2123) 2026-03-29 LOSS -3.6
Schut, Hein (1825) 2026-03-29 LOSS -15.2
Rookus, Sjoerd (1929) 2026-03-29 LOSS -10.0
Schoonackers, Jeroen (1940) 2026-03-29 LOSS -9.6
Sleeckx, A. (alexander) (2040) 2026-02-07 LOSS -6.8
Veldhuyzen, Ywein (1887) 2026-02-20 DRAW +6.4
Copier, Richard (1869) 2026-02-20 LOSS -14.8
Bloem, Mark (1905) 2026-02-20 LOSS -12.8
Sui Mez, Alkan (1781) 2026-02-20 WIN +20.4
John, Ryan (1814) 2026-02-20 LOSS -17.6
Mendelsohn, Saffran (1810) 2026-02-20 LOSS -18.0
Van T Riet, Flip (1561) 2025-12-21 WIN +12.0
Klimovich, Hanna (1702) 2025-12-21 LOSS -20.4
Dekker, Ichelle (1692) 2025-12-21 WIN +19.2
Hadjiioannou, Michalis (1659) 2025-12-21 LOSS -22.8
Frieswijk, Julian (1753) 2025-12-21 WIN +22.4
Stapersma, Dick (1725) 2025-12-21 WIN +21.2
Stein, Daniel (1770) 2026-01-16 LOSS -17.2
Bakker, John (1735) 2026-01-16 WIN +20.8