KNSB FIDE
EZ

Edwin Zuiderweg

Rated since April 2005

1938 Classical
1944 Rapid
1928 Blitz

The good & the bad

Best wins
LEMSTRA, B. (BART) 1993
Dutch Team Competition - klasse 3 Round 7 · 2026-02-07
ALMEFALANI, ABDULHAY 1879
Chessfestival Groningen 2025 Open B · 2025-12-21
KLASINC, KRISTJAN 1809
Harpa Blitz 2026 · 2026-03-24
MCMILLAN, FELIX 1795
Reykjavik Open 2026 · 2026-03-25
VAN DER GRAAF, JAAP 1786
Weekendtoernooi Groninger Combinatie NOSBO PK 2026 · 2026-05-14
Worst losses
VEENSTRA, KLAAS-JAN 1612
Weekendtoernooi Groninger Combinatie NOSBO PK 2026 · 2026-05-14
NISHIDA, EITO 1663
Harpa Blitz 2026 · 2026-03-24
TURNER, JASON 1715
Harpa Blitz 2026 · 2026-03-24
BARTLETT, AIDEN EMERSON 1773
Harpa Blitz 2026 · 2026-03-24
VAN ESSEN, TOBIAS 1787
Weekendtoernooi Groninger Combinatie NOSBO PK 2026 · 2026-05-14

FIDE Tournaments

Weekendtoernooi Groninger Combinatie NOSBO PK 2026 2026-05-14 +3–3=1 -40.6
Reykjavik Open 2026 2026-03-25 +4–3=2 +2.2
Dutch Team Competition - klasse 3 Round 9 2026-04-11 +0–0=1 -2.0
TR Rapid 2026 March #5 2026-03-31 +3–2=0 -4.8
Dutch Team Competition - klasse 3 Round 8 2026-03-07 +0–0=1 +2.0
Harpa Blitz 2026 2026-03-24 +5–4=1 -35.2
Dutch Team Competition - klasse 3 Round 7 2026-02-07 +1–0=0 +10.8
Chessfestival Groningen 2025 Open B 2025-12-21 +3–2=4 -7.8
Chessfestival Groningen Open B Sunday 21 December 2025 +3–2=4 -12.1
Hoogeveen Schaaktoernooi Middag Saturday 18 October 2025 +4–2=2 -10.0
Open NK Schaken 2025 Reserve A Tuesday 22 July 2025 +4–2=3 -1.5
Weekendtoernooi Groninger Combinatie GC Weekendtoernooi 2025 Thursday 29 May 2025 +3–1=2 -0.6
Open Dordrecht Rapidtoernooi Groep A Saturday 1 March 2025 +4–3=0 -0.3
Chess Festival Groningen Open B Saturday 21 December 2024 +3–3=3 -38.1
Nazomervierkampentoernooi 2024 Schaakclub Assen Groep A Friday 30 August 2024 +0–2=1 -25.0
Open NK Schaken 2024 Zesrondig 1 Monday 22 July 2024 +3–2=1 +8.7
Weekendtoernooi Groninger Combinatie GC weekendtoernooi 2024 Thursday 9 May 2024 +2–1=2 -10.9
Chess Festival Groningen Compact A Thursday 21 December 2023 +2–0=3 +54.0
Hoogeveen 2023 Middaggroep Groep A Saturday 21 October 2023 +6–1=1 +36.8
Nazomervierkampentoernooi 2023 Schaakclub Assen Groep A Friday 25 August 2023 +0–2=1 -19.2
Weekendtoernooi Groninger Combinatie / PK NOSBO Groep A Thursday 18 May 2023 +3–3=0 -34.6

Rating History

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Peak Ratings

Classical 2044
Rapid 1957
Blitz 1972

Games

Wins 19
Losses 14
Draws 10
Win Rate 44%

Performance by Color

Color Wins Draws Losses Win Rate
White 10 5 7 45%
Black 9 5 7 43%

All-time Games (from rating history)

Classical 427
Rapid 22
Blitz 29

Recent Matches

Kolijn, David (1916) 2026-05-14 LOSS -11.8
Van Essen, Tobias (1787) 2026-05-14 LOSS -15.0
Hall, Gary (1644) 2026-05-14 WIN +2.4
Veenstra, Klaas-Jan (1612) 2026-05-14 LOSS -18.0
Bakker, Hannah (1634) 2026-05-14 WIN +2.2
Van Der Graaf, Jaap (1786) 2026-05-14 WIN +5.0
Jovanovic, Luka L (1765) 2026-05-14 DRAW -5.4
FM Llari, Marc (2300) 2026-03-25 LOSS -2.6
Butterworth, Paul (1719) 2026-03-25 WIN +3.6
CM Marie, Maxime (2194) 2026-03-25 LOSS -4.4
Putnam, Bill Howard (1669) 2026-03-25 WIN +2.8
CM Vemparala, Nikash (2202) 2026-03-25 DRAW +5.6
Gulyas, Adam Ferenc (1705) 2026-03-25 DRAW -6.6
McMillan, Felix (1795) 2026-03-25 WIN +5.2
CM Liang, Hairan (2150) 2026-03-25 LOSS -5.4
Muhr, Andreas (1740) 2026-03-25 WIN +4.0
Waardenburg, M.d. (marlinde) (1906) 2026-04-11 DRAW -2.0
Kadovic, Tamara 2026-03-31 WIN +1.6
Jonsson, Tristan Fannar (1723) 2026-03-31 WIN +4.2
CM Willy, Stephen (2246) 2026-03-31 LOSS -3.0
Bartlett, Aiden Emerson (1920) 2026-03-31 LOSS -10.8
Olszewski, Milosz Ulfur (1659) 2026-03-31 WIN +3.2
Renders, R. (rene) (2047) 2026-03-07 DRAW +2.0
Hellstrand, Josefina 2026-03-24 WIN +1.6
IM Thorfinnsson, Bjorn 2026-03-24 LOSS -1.6
Daddario, Aayush (1767) 2026-03-24 DRAW -5.0
Hauksson, Helgi (1661) 2026-03-24 WIN +3.0
Turner, Jason (1715) 2026-03-24 LOSS -16.2
Bartlett, Aiden Emerson (1773) 2026-03-24 LOSS -15.0
Jonsson, Rognvaldur (1743) 2026-03-24 WIN +4.4
Klasinc, Kristjan (1809) 2026-03-24 WIN +5.8
Nishida, Eito (1663) 2026-03-24 LOSS -17.0
Sigurdsson, Thorsteinn G (1764) 2026-03-24 WIN +4.8
Lemstra, B. (bart) (1993) 2026-02-07 WIN +10.8
Bruening, Martin (1824) 2025-12-21 DRAW -3.6
Kollen, Luca (1738) 2025-12-21 WIN +4.4
Ellenbroek, Ton (2010) 2025-12-21 DRAW +1.4
Manenschijn, Wouter (1894) 2025-12-21 LOSS -11.8
Almefalani, Abdulhay (1879) 2025-12-21 WIN +7.8
Morsch, Tjeerd (1867) 2025-12-21 DRAW -2.6
Groeneveld, Henry (1783) 2025-12-21 WIN +5.4
Aarts, Joaquin (2025) 2025-12-21 LOSS -8.2
Rookus, Sjoerd (1939) 2025-12-21 DRAW -0.6