KNSB FIDE
NZ

Nico Zwirs

Rated since January 2023

2428 Classic

RIVALRY

Nemesis
Slagboom, L. (Leandro)
Games: 4 · Win rate: 50%
Kryptonite
Fridman, D. (Daniel)
Games: 3 · Win rate: 0%
Easy Target
Winter de, A. (Arthur)
Games: 5 · Win rate: 80%

The good & the bad

Best wins
YOO, CHRISTOPHER WOOJIN (GM) 2616
Sparkassen Chess Trophy 2024 A-Open · 2024-08-18
SANAL, VAHAP (GM) 2608
IV elllobregat Open Chess Tournament 2023 Group A · 2023-12-04
ERNST, S. (SIPKE) (GM) 2545
7753 Hoogeveen 2023 Open Groep A · 2023-10-26
JANSSEN, R.W.A. (RUUD) (GM) 2476
Belgian Interclubs 2023-2024 Round 10 · 2024-03-24
KUIPERS, S.C. (STEFAN) (IM) 2461
Belgian Interclubs 2022-2023 Ronde 4 · 2022-12-04
Worst losses
DECROP, HENDRIK 2033
5259 Chessable Open NK 2023 Open NK · 2023-07-26
CAGLAR, SILA (WIM) 2225
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo) · 2025-07-20
KHALILOVA, MADINABONU (WCM) 2228
VI elllobregat Open Group A · 2025-11-28
BODIROGA, PREDRAG (IM) 2260
European Individual Chess Championship 2024 · 2024-11-10
MANUKYAN, SARGIS A. (FM) 2273
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo) · 2025-07-25
Belgian Interclubs Round 2025-2026 Ronde 6 Sun, Jan 25, 2026 +0–0=1 -1.9
2. Bundesliga Nord 2025-2026 Januar 2026 Fri, Jan 16, 2026 +0–1=1 -7.6
Belgian Interclubs Round 2025-2026 Ronde 4 Sun, Nov 23, 2025 +0–0=1 +0.1
Hoogeveen Schaaktoernooi Open Sat, Oct 18, 2025 +5–1=3 +3.4
Belgian Interclubs Round 2025-2026 Ronde 2 Sun, Oct 12, 2025 +1–0=0 +3.5
2. Bundesliga Nord 2025-2026 September 2025 Sat, Sep 27, 2025 +1–0=1 +5.4
KNSB competitie 2025-2026 Meesterklasse ronde 7 Sat, Sep 20, 2025 +0–0=1 +1.1
KNSB competitie 2025-2026 Meesterklasse ronde 5 Sat, Sep 20, 2025 +1–0=0 +2.9
KNSB competitie 2025-2026 Meesterklasse ronde 4 Sat, Sep 20, 2025 +0–0=1 -0.5
KNSB competitie 2025-2026 Meesterklasse ronde 3 Sat, Sep 20, 2025 +0–0=1 -0.3
KNSB competitie 2025-2026 Meesterklasse ronde 2 Sat, Sep 20, 2025 +0–0=1 +1.2
KNSB competitie 2025-2026 Meesterklasse ronde 1 Sat, Sep 20, 2025 +1–0=0 +3.3
UniClass Science Park Amsterdam Schaaktoernooi Groep A Sat, Jul 5, 2025 +4–0=3 -1.6
HSG Open 2025 Groep A Fri, Jun 20, 2025 +5–0=1 +3.0
1. Schachbundesliga 2024-2025 Maerz 2025 Sat, Mar 22, 2025 +0–0=2 -2.5
1. Schachbundesliga 2024-2025 Februar 2025 Sat, Feb 1, 2025 +0–0=2 +3.5
Tata Steel Chess Tournament 2025 Qualifiers Fri, Jan 17, 2025 +1–4=4 -25.2
1. Schachbundesliga 2024-2025 Dezember 2024 Sun, Dec 1, 2024 +0–1=0 -4.1
1. Schachbundesliga 2024-2025 November 2024 Sat, Nov 30, 2024 +0–0=1 +2.7
European Individual Chess Championship 2024 Fri, Nov 8, 2024 +5–4=2 -7.7
Hoogeveen Schaaktoernooi Open Groep Sat, Oct 26, 2024 +6–1=2 +4.0
KNSB competitie 2024-2025 Meesterklasse ronde 9 Sat, Sep 21, 2024 +1–0=0 +4.5
KNSB competitie 2024-2025 Meesterklasse ronde 8 Sat, Sep 21, 2024 +1–0=0 +1.9
KNSB competitie 2024-2025 Meesterklasse ronde 7 Sat, Sep 21, 2024 +1–0=0 +3.1
KNSB competitie 2024-2025 Meesterklasse ronde 6 Sat, Sep 21, 2024 +0–0=1 -1.9
KNSB competitie 2024-2025 Meesterklasse ronde 5 Sat, Sep 21, 2024 +0–0=1 -1.9
KNSB competitie 2024-2025 Meesterklasse ronde 4 Sat, Sep 21, 2024 +1–0=0 +1.7
KNSB competitie 2024-2025 Meesterklasse ronde 3 Sat, Sep 21, 2024 +0–0=1 +1.5
KNSB competitie 2024-2025 Meesterklasse ronde 2 Sat, Sep 21, 2024 +0–0=1 -1.9
KNSB competitie 2024-2025 Meesterklasse ronde 1 Sat, Sep 21, 2024 +0–1=0 -5.1
16e BPB Limburg Open 2024 Groep A Fri, May 17, 2024 +4–1=2 -3.7
1. Bundesliga 2023-2024 April 2024 Sat, Apr 27, 2024 +2–0=0 +6.6
1. Bundesliga 2023-2024 March 2024 Sat, Mar 16, 2024 +0–1=1 -6.4
1. Bundesliga 2023-2024 February 2024 Sat, Feb 3, 2024 +1–0=2 +2.7
Tata Steel Chess Tournament 2024 Qualifiers Fri, Jan 12, 2024 +4–2=3 +0.7
Hoogeveen 2023 Open Groep A Sat, Oct 21, 2023 +5–0=4 +12.2
KNSB competitie 2023-2024 Meesterklasse ronde 9 Sat, Sep 16, 2023 +1–0=0 +2.7
KNSB competitie 2023-2024 Meesterklasse ronde 8 Sat, Sep 16, 2023 +1–0=0 +4.0
KNSB competitie 2023-2024 Meesterklasse ronde 7 Sat, Sep 16, 2023 +1–0=0 +3.4
KNSB competitie 2023-2024 Meesterklasse ronde 6 Sat, Sep 16, 2023 +0–0=1 +1.5
KNSB competitie 2023-2024 Meesterklasse ronde 5 Sat, Sep 16, 2023 +0–1=0 -6.8
KNSB competitie 2023-2024 Meesterklasse ronde 4 Sat, Sep 16, 2023 +1–0=0 +0.9
KNSB competitie 2023-2024 Meesterklasse ronde 3 Sat, Sep 16, 2023 +1–0=0 +4.3
KNSB competitie 2023-2024 Meesterklasse ronde 2 Sat, Sep 16, 2023 +0–0=1 -2.5
KNSB competitie 2023-2024 Meesterklasse ronde 1 Sat, Sep 16, 2023 +1–0=0 +2.5
HZ University of Applied Sciences Schaaktoernooi Groep A Sat, Aug 5, 2023 +6–1=2 +3.7
Amsterdam Science Park Schaaktoernooi Groep A Sat, Jul 15, 2023 +4–0=5 0.0
HSG Open 2023 Groep A Fri, Jun 23, 2023 +4–2=0 -2.0
15e BPB Limburg Open 2023 Groep A Fri, May 26, 2023 +3–0=4 -1.3
Open Kampioenschap van Utrecht Groep A Fri, May 19, 2023 +2–0=4 -12.9
1. Bundesliga 2022-2023 February 2023 Fri, Feb 3, 2023 +0–3=2 -12.2
Tata Steel Chess Tournament 2023 Qualifiers Fri, Jan 13, 2023 +5–3=1 -4.0
VI elllobregat Open Group A Fri, Nov 28, 2025 +3–3=4 -16.3
Sparkassen Chess Trophy 2025 A-Open Sat, Aug 2, 2025 +3–1=5 -6.2
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo) Sat, Jul 19, 2025 +4–3=2 -17.0
I-st International Chess tournament"Sofia spring"-A, Under the aegis of BSCF Fri, May 23, 2025 +4–1=4 -4.1
Belgian Interclubs 2024-2025 Round 11 Sun, Apr 27, 2025 +0–0=1 +1.2
IX Open Semana Santa San Vicente del Raspeig Costa Blanca 2025 Grupo A Wed, Apr 16, 2025 +5–1=3 +1.1
Belgian Interclubs 2024-2025 Round 10 Sun, Mar 30, 2025 +0–1=0 -5.2
Belgian Interclubs 2024-2025 Round 9 Sun, Mar 16, 2025 +1–0=0 +4.7
Belgian Interclubs 2024-2025 Round 2 Sun, Oct 6, 2024 +1–0=0 +3.3
SGA Competitie 2024-2025 Hoofdklasse ronde 7 Mon, Sep 30, 2024 +1–0=0 +2.6
SGA Competitie 2024-2025 Hoofdklasse ronde 5 Mon, Sep 30, 2024 +1–0=0 +1.4
Belgian Interclubs 2024-2025 Round 1 Sun, Sep 29, 2024 +1–0=0 +4.7
KNSB competitie 2024-2025 KNSB Beker ronde 3 voor februarilijst Sat, Sep 21, 2024 +0–1=0 -6.3
I Festival Internacional de Ajedrez Ciudad de Galdar 2024 Mon, Sep 2, 2024 +6–2=1 -5.1
Sparkassen Chess Trophy 2024 A-Open Sat, Aug 10, 2024 +6–0=3 +16.3
Open International d'Aix en Provence - Trophee Dole France 2024 - Grand Prix Nextlane (2100 Elo) Sat, Jul 20, 2024 +3–2=4 -16.2
Teplice Open 2024 Sat, Jun 15, 2024 +4–1=4 -5.7
KNSB Bekerfinale Bekerfinale Thu, May 9, 2024 +1–1=0 -0.4
Belgian Interclubs 2023-2024 Round 11 Sun, Apr 21, 2024 +1–0=0 +1.7
CIS 2024 - Serie Master Mon, Apr 8, 2024 +0–0=9 +2.1
Belgian Interclubs 2023-2024 Round 10 Sun, Mar 24, 2024 +1–0=0 +5.0
Belgian Interclubs 2023-2024 Round 9 Sun, Mar 10, 2024 +0–1=0 -5.6
Belgian Interclubs 2023-2024 Round 7 Sun, Feb 4, 2024 +1–0=0 +2.5
IV elllobregat Open Chess Tournament 2023 Group A Thu, Nov 30, 2023 +3–0=6 +15.9
2023-24 4NCL Division 1 Rounds 1-2 Sat, Nov 11, 2023 +1–0=1 +4.7
Belgian Interclubs 2023-2024 Round 1 Sat, Sep 23, 2023 +0–0=1 +0.2
KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 Sat, Sep 16, 2023 +1–0=0 +2.9
Maia Chess Open 2023 Fri, Aug 25, 2023 +4–1=4 +5.2
Chessable Open NK 2023 Open NK Mon, Jul 24, 2023 +5–2=2 -0.9
KNSB Bekerfinale finale Thu, May 18, 2023 +0–1=0 -3.3
Belgian Interclubs 2022-2023 Ronde 11 Sun, Apr 30, 2023 +0–0=1 +0.3
Belgian Interclubs 2022-2023 Ronde 10 Sun, Apr 16, 2023 +0–0=1 +1.1
Belgian Interclubs 2022-2023 Ronde 9 Sun, Mar 19, 2023 +1–0=0 +4.0
Belgian Interclubs 2022-2023 Ronde 8 Sun, Mar 5, 2023 +0–0=1 +1.3
39e Open International de Cappelle la Grande Sat, Feb 18, 2023 +5–2=2 -2.6
Belgian Interclubs 2022-2023 Ronde 7 Sun, Feb 12, 2023 +0–1=0 -3.0
Chess Festival Groningen Open A Wed, Dec 21, 2022 +4–1=4 -6.9
Elllobregat Open Chess 2022 Group A Wed, Nov 30, 2022 +4–3=2 -10.6
Belgian Interclubs 2022-2023 Ronde 4 Sun, Nov 20, 2022 +1–0=0 +4.8
Belgian Interclubs 2022-2023 Ronde 3 Sun, Nov 6, 2022 +1–0=0 +4.0
SGA Competitie 2022-2023 Hoofdklasse ronde 7 Sat, Oct 1, 2022 +1–0=0 +0.7
SGA Competitie 2022-2023 Hoofdklasse ronde 4, 5 en 6 Sat, Oct 1, 2022 +1–0=0 +0.9
KNSB competitie 2022-2023 Meesterklasse ronde 9 Sat, Sep 17, 2022 +0–0=1 -0.9
KNSB competitie 2022-2023 Meesterklasse ronde 8 Sat, Sep 17, 2022 +1–0=0 +4.1
KNSB competitie 2022-2023 Meesterklasse ronde 7 Sat, Sep 17, 2022 +0–0=1 -1.5
KNSB competitie 2022-2023 Meesterklasse ronde 6 Sat, Sep 17, 2022 +0–1=0 -3.9
KNSB competitie 2022-2023 Beker ronde 3 Sat, Sep 17, 2022 +1–0=0 +0.8
KNSB competitie 2022-2023 Meesterklasse ronde 5 Sat, Sep 17, 2022 +1–0=0 +1.7
KNSB competitie 2022-2023 Meesterklasse ronde 4 Sat, Sep 17, 2022 +0–1=0 -6.2

Rating History

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Peak Ratings

Classic 2488 June 1, 2024
Rapid 2425 March 1, 2026
Blitz 2428 April 1, 2026

Games

Wins 162
Losses 58
Draws 131
Win Rate 46%

Performance by Color

Color Wins Draws Losses Win Rate
White 81 67 24 47%
Black 81 64 34 45%

Recent Matches

GM Ernst, S. (Sipke) (2514) 2026-02-07 DRAW +1.1
FM Dauw, Sterre (2305) 2026-01-25 DRAW -1.9
FM Biastoch, Bennet (2322) 2026-01-18 LOSS -6.7
FM Knuedel, T. (Torben) (2387) 2026-01-17 DRAW -0.9
FM Kokje, J.J.I. (Joris) (2288) 2025-12-13 WIN +2.9
WIM Omonova, Umida (2289) 2025-12-08 DRAW -2.1
FM Bogdanov, Artyom (2383) 2025-12-07 LOSS -5.8
FM Yang, ZiLong (2388) 2025-12-06 DRAW -0.8
IM Hernandez, Cristian Andres (2355) 2025-12-05 DRAW -1.2
FM Valiyev, Shahin (2393) 2025-12-04 LOSS -5.7
IM Aloma Vidal, Robert (2370) 2025-12-03 WIN +4.0
FM Vergara Jofre, Felipe (2288) 2025-12-02 WIN +2.9
GM Karthikeyan, P. (P) (2285) 2025-12-01 DRAW -2.1
CM Odabasi, Ruzgar (2218) 2025-11-30 WIN +2.2
WCM Khalilova, Madinabonu (2228) 2025-11-28 LOSS -7.7
IM Alonso Garcia, Aaron (2448) 2025-11-23 DRAW +0.1
FM Suvorov, L. (Luca) (2407) 2025-11-22 DRAW -0.5
IM Jong de, J.W. (Jan-Willem) (2420) 2025-11-01 DRAW -0.3
GM Miezis, N. (Normunds) (2374) 2025-10-25 WIN +4.2
GM Abdisalimov, Abdimalik (2501) 2025-10-24 LOSS -4.1