KNSB FIDE
NZ

Nico Zwirs

Rated since January 2023

2439 Classic
2428 Rapid
2434 Blitz

RIVALRY

Nemesis
Slagboom, L. (Leandro)
Games: 4 · Win rate: 50%
Kryptonite
Beerdsen, T.A. (Thomas)
Games: 3 · Win rate: 0%
Easy Target
Dam ten, B. (Bram)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
YOO, CHRISTOPHER WOOJIN (GM) 2616
Sparkassen Chess Trophy 2024 A-Open · Sunday 18 August 2024
SANAL, VAHAP (GM) 2608
IV elllobregat Open Chess Tournament 2023 Group A · Monday 4 December 2023
ERNST, S. (SIPKE) (GM) 2545
7753 Hoogeveen 2023 Open Groep A · Thursday 26 October 2023
ORLOV, A. (ANDREY) (GM) 2489
Belgian Interclubs Round 2025-2026 Ronde 10 · Sunday 29 March 2026
JANSSEN, R.W.A. (RUUD) (GM) 2476
Belgian Interclubs 2023-2024 Round 10 · Sunday 24 March 2024
Worst losses
DECROP, HENDRIK 2033
5259 Chessable Open NK 2023 Open NK · Wednesday 26 July 2023
CAGLAR, SILA (WIM) 2225
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo) · Sunday 20 July 2025
KHALILOVA, MADINABONU (WCM) 2228
VI elllobregat Open Group A · Friday 28 November 2025
BODIROGA, PREDRAG (IM) 2260
European Individual Chess Championship 2024 · Sunday 10 November 2024
MANUKYAN, SARGIS A. (FM) 2273
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo) · Friday 25 July 2025
Amsterdam Chess Festival Blitz 2026 + NK Studenten Blitz Groep A Friday 10 July 2026 +8–2=3 +0.9
HWP Inholland Weekendtoernooi Groep A Saturday 27 June 2026 +3–0=2 -1.6
HSG Open 2026 Groep A Friday 19 June 2026 +3–0=3 +3.4
18de BPB Limburg Open 2026 Groep A Friday 22 May 2026 +4–0=3 +6.6
FE 3 Sardinia world chess - A Sunday 3 May 2026 +3–2=4 -10.0
CIS 2026 - SERIE MASTER SPAREGGI BLITZ 3' 2" TURNO 9 Thursday 30 April 2026 +0–1=0 -3.9
CIS 2026 - Serie Master Friday 24 April 2026 +2–2=5 +0.7
Belgian Interclubs Round 2025-2026 Ronde 11 Sunday 19 April 2026 +0–0=1 +0.7
Belgian Interclubs Round 2025-2026 Ronde 10 Sunday 29 March 2026 +1–0=0 +5.9
Belgian Interclubs Round 2025-2026 Ronde 9 Sunday 15 March 2026 +0–0=1 -0.8
1. Schachbundesliga 2025-2026 Maerz 2026 Sunday 1 March 2026 +0–0=2 -0.4
2. Bundesliga Nord 2025-2026 Maerz 2026 Sunday 1 March 2026 +0–0=1 0.0
2. Bundesliga Nord 2025-2026 Februar 2026 Friday 6 February 2026 +0–0=1 -0.2
Belgian Interclubs Round 2025-2026 Ronde 6 Sunday 25 January 2026 +0–0=1 -1.9
2. Bundesliga Nord 2025-2026 Januar 2026 Friday 16 January 2026 +0–1=1 -7.6
Belgian Interclubs Round 2025-2026 Ronde 4 Sunday 23 November 2025 +0–0=1 +0.1
Hoogeveen Schaaktoernooi Open Saturday 18 October 2025 +5–1=3 +3.4
Belgian Interclubs Round 2025-2026 Ronde 2 Sunday 12 October 2025 +1–0=0 +3.5
2. Bundesliga Nord 2025-2026 September 2025 Saturday 27 September 2025 +1–0=1 +5.4
KNSB competitie 2025-2026 Meesterklasse ronde 9 Saturday 20 September 2025 +1–0=0 +3.2
KNSB competitie 2025-2026 Meesterklasse ronde 6 Saturday 20 September 2025 +0–1=0 -2.4
KNSB competitie 2025-2026 Meesterklasse ronde 8 Saturday 20 September 2025 +1–0=0 +3.5
KNSB competitie 2025-2026 Meesterklasse ronde 7 Saturday 20 September 2025 +0–0=1 +1.1
KNSB competitie 2025-2026 Meesterklasse ronde 5 Saturday 20 September 2025 +1–0=0 +2.9
KNSB competitie 2025-2026 Meesterklasse ronde 4 Saturday 20 September 2025 +0–0=1 -0.5
KNSB competitie 2025-2026 Meesterklasse ronde 3 Saturday 20 September 2025 +0–0=1 -0.3
KNSB competitie 2025-2026 Meesterklasse ronde 2 Saturday 20 September 2025 +0–0=1 +1.2
KNSB competitie 2025-2026 Meesterklasse ronde 1 Saturday 20 September 2025 +1–0=0 +3.3
UniClass Science Park Amsterdam Schaaktoernooi Groep A Saturday 5 July 2025 +4–0=3 -1.6
HSG Open 2025 Groep A Friday 20 June 2025 +5–0=1 +3.0
1. Schachbundesliga 2024-2025 Maerz 2025 Saturday 22 March 2025 +0–0=2 -2.5
1. Schachbundesliga 2024-2025 Februar 2025 Saturday 1 February 2025 +0–0=2 +3.5
Tata Steel Chess Tournament 2025 Qualifiers Friday 17 January 2025 +1–4=4 -25.2
1. Schachbundesliga 2024-2025 Dezember 2024 Sunday 1 December 2024 +0–1=0 -4.1
1. Schachbundesliga 2024-2025 November 2024 Saturday 30 November 2024 +0–0=1 +2.7
European Individual Chess Championship 2024 Friday 8 November 2024 +5–4=2 -7.7
Hoogeveen Schaaktoernooi Open Groep Saturday 26 October 2024 +6–1=2 +4.0
KNSB competitie 2024-2025 Meesterklasse ronde 9 Saturday 21 September 2024 +1–0=0 +4.5
KNSB competitie 2024-2025 Meesterklasse ronde 8 Saturday 21 September 2024 +1–0=0 +1.9
KNSB competitie 2024-2025 Meesterklasse ronde 7 Saturday 21 September 2024 +1–0=0 +3.1
KNSB competitie 2024-2025 Meesterklasse ronde 6 Saturday 21 September 2024 +0–0=1 -1.9
KNSB competitie 2024-2025 Meesterklasse ronde 5 Saturday 21 September 2024 +0–0=1 -1.9
KNSB competitie 2024-2025 Meesterklasse ronde 4 Saturday 21 September 2024 +1–0=0 +1.7
KNSB competitie 2024-2025 Meesterklasse ronde 3 Saturday 21 September 2024 +0–0=1 +1.5
KNSB competitie 2024-2025 Meesterklasse ronde 2 Saturday 21 September 2024 +0–0=1 -1.9
KNSB competitie 2024-2025 Meesterklasse ronde 1 Saturday 21 September 2024 +0–1=0 -5.1
16e BPB Limburg Open 2024 Groep A Friday 17 May 2024 +4–1=2 -3.7
1. Bundesliga 2023-2024 April 2024 Saturday 27 April 2024 +2–0=0 +6.6
1. Bundesliga 2023-2024 March 2024 Saturday 16 March 2024 +0–1=1 -6.4
1. Bundesliga 2023-2024 February 2024 Saturday 3 February 2024 +1–0=2 +2.7
Tata Steel Chess Tournament 2024 Qualifiers Friday 12 January 2024 +4–2=3 +0.7
Hoogeveen 2023 Open Groep A Saturday 21 October 2023 +5–0=4 +12.2
KNSB competitie 2023-2024 Meesterklasse ronde 9 Saturday 16 September 2023 +1–0=0 +2.7
KNSB competitie 2023-2024 Meesterklasse ronde 8 Saturday 16 September 2023 +1–0=0 +4.0
KNSB competitie 2023-2024 Meesterklasse ronde 7 Saturday 16 September 2023 +1–0=0 +3.4
KNSB competitie 2023-2024 Meesterklasse ronde 6 Saturday 16 September 2023 +0–0=1 +1.5
KNSB competitie 2023-2024 Meesterklasse ronde 5 Saturday 16 September 2023 +0–1=0 -6.8
KNSB competitie 2023-2024 Meesterklasse ronde 4 Saturday 16 September 2023 +1–0=0 +0.9
KNSB competitie 2023-2024 Meesterklasse ronde 3 Saturday 16 September 2023 +1–0=0 +4.3
KNSB competitie 2023-2024 Meesterklasse ronde 2 Saturday 16 September 2023 +0–0=1 -2.5
KNSB competitie 2023-2024 Meesterklasse ronde 1 Saturday 16 September 2023 +1–0=0 +2.5
HZ University of Applied Sciences Schaaktoernooi Groep A Saturday 5 August 2023 +6–1=2 +3.7
Amsterdam Science Park Schaaktoernooi Groep A Saturday 15 July 2023 +4–0=5 0.0
HSG Open 2023 Groep A Friday 23 June 2023 +4–2=0 -2.0
15e BPB Limburg Open 2023 Groep A Friday 26 May 2023 +3–0=4 -1.3
Open Kampioenschap van Utrecht Groep A Friday 19 May 2023 +2–0=4 -12.9
1. Bundesliga 2022-2023 February 2023 Friday 3 February 2023 +0–3=2 -12.2
Tata Steel Chess Tournament 2023 Qualifiers Friday 13 January 2023 +5–3=1 -4.0
Open NK Schaken 2026 Open NK Tuesday 21 July 2026 +4–1=4 +3.0
VI elllobregat Open Group A Friday 28 November 2025 +3–3=4 -16.3
SGA Competitie 2025-2026 Hoofdklasse ronde 5 en 6 Wednesday 1 October 2025 +1–0=0 +2.3
Sparkassen Chess Trophy 2025 A-Open Saturday 2 August 2025 +3–1=5 -6.2
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo) Saturday 19 July 2025 +4–3=2 -17.0
I-st International Chess tournament"Sofia spring"-A, Under the aegis of BSCF Friday 23 May 2025 +4–1=4 -4.1
Belgian Interclubs 2024-2025 Round 11 Sunday 27 April 2025 +0–0=1 +1.2
IX Open Semana Santa San Vicente del Raspeig Costa Blanca 2025 Grupo A Wednesday 16 April 2025 +5–1=3 +1.1
Belgian Interclubs 2024-2025 Round 10 Sunday 30 March 2025 +0–1=0 -5.2
Belgian Interclubs 2024-2025 Round 9 Sunday 16 March 2025 +1–0=0 +4.7
Belgian Interclubs 2024-2025 Round 2 Sunday 6 October 2024 +1–0=0 +3.3
SGA Competitie 2024-2025 Hoofdklasse ronde 7 Monday 30 September 2024 +1–0=0 +2.6
SGA Competitie 2024-2025 Hoofdklasse ronde 5 Monday 30 September 2024 +1–0=0 +1.4
Belgian Interclubs 2024-2025 Round 1 Sunday 29 September 2024 +1–0=0 +4.7
KNSB competitie 2024-2025 KNSB Beker ronde 3 voor februarilijst Saturday 21 September 2024 +0–1=0 -6.3
I Festival Internacional de Ajedrez Ciudad de Galdar 2024 Monday 2 September 2024 +6–2=1 -5.1
Sparkassen Chess Trophy 2024 A-Open Saturday 10 August 2024 +6–0=3 +16.3
Open International d'Aix en Provence - Trophee Dole France 2024 - Grand Prix Nextlane (2100 Elo) Saturday 20 July 2024 +3–2=4 -16.2
Teplice Open 2024 Saturday 15 June 2024 +4–1=4 -5.7
KNSB Bekerfinale Bekerfinale Thursday 9 May 2024 +1–1=0 -0.4
Belgian Interclubs 2023-2024 Round 11 Sunday 21 April 2024 +1–0=0 +1.7
CIS 2024 - Serie Master Monday 8 April 2024 +0–0=9 +2.1
Belgian Interclubs 2023-2024 Round 10 Sunday 24 March 2024 +1–0=0 +5.0
Belgian Interclubs 2023-2024 Round 9 Sunday 10 March 2024 +0–1=0 -5.6
Belgian Interclubs 2023-2024 Round 7 Sunday 4 February 2024 +1–0=0 +2.5
IV elllobregat Open Chess Tournament 2023 Group A Thursday 30 November 2023 +3–0=6 +15.9
2023-24 4NCL Division 1 Rounds 1-2 Saturday 11 November 2023 +1–0=1 +4.7
Belgian Interclubs 2023-2024 Round 1 Saturday 23 September 2023 +0–0=1 +0.2
KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 Saturday 16 September 2023 +1–0=0 +2.9
Maia Chess Open 2023 Friday 25 August 2023 +4–1=4 +5.2
Chessable Open NK 2023 Open NK Monday 24 July 2023 +5–2=2 -0.9
KNSB Bekerfinale finale Thursday 18 May 2023 +0–1=0 -3.3
Belgian Interclubs 2022-2023 Ronde 11 Sunday 30 April 2023 +0–0=1 +0.3
Belgian Interclubs 2022-2023 Ronde 10 Sunday 16 April 2023 +0–0=1 +1.1
Belgian Interclubs 2022-2023 Ronde 9 Sunday 19 March 2023 +1–0=0 +4.0
Belgian Interclubs 2022-2023 Ronde 8 Sunday 5 March 2023 +0–0=1 +1.3
39e Open International de Cappelle la Grande Saturday 18 February 2023 +5–2=2 -2.6
Belgian Interclubs 2022-2023 Ronde 7 Sunday 12 February 2023 +0–1=0 -3.0
Chess Festival Groningen Open A Wednesday 21 December 2022 +4–1=4 -6.9
Elllobregat Open Chess 2022 Group A Wednesday 30 November 2022 +4–3=2 -10.6
Belgian Interclubs 2022-2023 Ronde 4 Sunday 20 November 2022 +1–0=0 +4.8
Belgian Interclubs 2022-2023 Ronde 3 Sunday 6 November 2022 +1–0=0 +4.0
SGA Competitie 2022-2023 Hoofdklasse ronde 7 Saturday 1 October 2022 +1–0=0 +0.7
SGA Competitie 2022-2023 Hoofdklasse ronde 4, 5 en 6 Saturday 1 October 2022 +1–0=0 +0.9
KNSB competitie 2022-2023 Meesterklasse ronde 9 Saturday 17 September 2022 +0–0=1 -0.9
KNSB competitie 2022-2023 Meesterklasse ronde 8 Saturday 17 September 2022 +1–0=0 +4.1
KNSB competitie 2022-2023 Meesterklasse ronde 7 Saturday 17 September 2022 +0–0=1 -1.5
KNSB competitie 2022-2023 Meesterklasse ronde 6 Saturday 17 September 2022 +0–1=0 -3.9
KNSB competitie 2022-2023 Beker ronde 3 Saturday 17 September 2022 +1–0=0 +0.8
KNSB competitie 2022-2023 Meesterklasse ronde 5 Saturday 17 September 2022 +1–0=0 +1.7
KNSB competitie 2022-2023 Meesterklasse ronde 4 Saturday 17 September 2022 +0–1=0 -6.2

Team Competition

Current teams
Apeldoorn 1
Meesterklasse · 2025-2026 · 9 games
Paard d4
Hoofdklasse · 2025-2026 · 1 game
Past teams
Apeldoorn 1
Meesterklasse · 2024-2025
Paard d4 1
Hoofdklasse · 2024-2025
Apeldoorn 1
Meesterklasse · 2023-2024
AMEVO Apeldoorn 1
Meesterklasse · 2022-2023
AMEVO Apeldoorn 1
Meesterklasse · 2021-2022

Rating History

Loading rating history...

Peak Ratings

Classic 2488 June 1, 2024
Rapid 2428 May 1, 2026
Blitz 2434 Aug. 1, 2026

Games

Wins 193
Losses 67
Draws 161
Win Rate 46%

Performance by Color

Color Wins Draws Losses Win Rate
White 95 85 28 46%
Black 98 76 39 46%

Recent Matches

IM Sammed Jaykumar, Shete (2407) Wednesday 29 July 2026 LOSS -5.4
GM Beerdsen, T.A. (Thomas) (2508) Tuesday 28 July 2026 DRAW +1.0
FM Dam ten, B. (Bram) (2331) Monday 27 July 2026 WIN +3.6
IM Boer de, E.J. (Eelke) (2408) Sunday 26 July 2026 WIN +4.6
FM Vandenhole, K. (Kobe) (2319) Saturday 25 July 2026 DRAW -1.6
FM Vijayakumar, Rishi (2307) Friday 24 July 2026 DRAW -1.7
FM Dessyn, Timothee (2257) Thursday 23 July 2026 WIN +2.7
FM Lont, A.H. (Addy) (2272) Wednesday 22 July 2026 DRAW -2.2
Bakija, A. (Alan) (2203) Tuesday 21 July 2026 WIN +2.1
Goudriaan, R. (Rafael) (2209) Friday 10 July 2026 WIN +2.2
FM Blom, V.R.T. (Vincent) (2419) Friday 10 July 2026 LOSS -5.2
IM Roebers, E.A. (Eline) (2462) Friday 10 July 2026 LOSS -4.6
IM Pham, K.V. (Khoi) (2356) Friday 10 July 2026 DRAW -1.1
FM Dovgaliuk, O. (Oleksandr) (2409) Friday 10 July 2026 WIN +4.7
FM Smeets, K. (Kobe) (2320) Friday 10 July 2026 WIN +3.5
FM Schoorl, R. (Rob) (2356) Friday 10 July 2026 DRAW -1.1
IM Lopez, J.J. (Jasel Justo) (2371) Friday 10 July 2026 WIN +4.1
Kretzschmar, A.E. (Alexander) (1976) Friday 10 July 2026 WIN +0.6
Bosma, J. (Jan) (2034) Friday 10 July 2026 WIN +0.8
Hoff van 't, T. (Tom) (2115) Friday 10 July 2026 DRAW -3.7