KNSB FIDE
NZ

Nico Zwirs

Rated since July 2010

2425 Classical
2424 Rapid
2420 Blitz

The good & the bad

Best wins
ORLOV, ANDREY (GM) 2474
Belgian Interclubs Round 2025-2026 Ronde 10 · 2026-03-29
DELCHEV, ALEKSANDER (GM) 2424
CIS 2026 - Serie Master · 2026-04-24
SHILON RAHAV, ELIRAN (FM) 2340
FE 3 Sardinia world chess - A · 2026-05-03
MARTENS, M.P.E. (MARTIN) (IM) 2303
Dutch Team Competition - Meesterklasse Round 9 · 2026-04-11
FULGENTINI, EDOARDO 2264
FE 3 Sardinia world chess - A · 2026-05-03
Worst losses
BIASTOCH, BENNET (FM) 2322
2. Bundesliga Nord 2025-2026 Januar 2026 · 2026-01-16
SARIC, ANTE (GM) 2474
CIS 2026 - Serie Master · 2026-04-24
PFREUNDT, JAKOB (IM) 2477
CIS 2026 - Serie Master · 2026-04-24
ROSHKA, YEVGENIY (IM) 2509
CIS 2026 - SERIE MASTER SPAREGGI BLITZ 3' 2" TURNO 9 · 2026-04-30
SMIRIN, ILIA (GM) 2562
FE 3 Sardinia world chess - A · 2026-05-03

FIDE Tournaments

CIS 2026 - Serie Master 2026-04-24 +2–2=5 +0.5
FE 3 Sardinia world chess - A 2026-05-03 +3–2=4 -9.8
CIS 2026 - SERIE MASTER SPAREGGI BLITZ 3' 2" TURNO 9 2026-04-30 +0–1=0 -3.8
Dutch Team Competition - Meesterklasse Round 9 2026-04-11 +1–0=0 +3.3
Belgian Interclubs Round 2025-2026 Ronde 11 2026-04-19 +0–0=1 +0.6
2. Bundesliga Nord 2025-2026 Februar 2026 2026-02-06 +0–0=1 -0.1
1. Schachbundesliga 2025-2026 Maerz 2026 2026-03-01 +0–0=2 -0.4
2. Bundesliga Nord 2025-2026 Maerz 2026 2026-03-01 +0–0=1
Dutch Team Competition - Meesterklasse Round 8 2026-03-07 +1–0=0 +2.8
Belgian Interclubs Round 2025-2026 Ronde 9 2026-03-15 +0–0=1 -0.8
Dutch Team Competition - Meesterklasse Round 6 2026-03-28 +0–1=0 -2.4
Belgian Interclubs Round 2025-2026 Ronde 10 2026-03-29 +1–0=0 +5.7
Dutch Team Competition - Meesterklasse Round 7 2026-02-07 +0–0=1 +1.4
2. Bundesliga Nord 2025-2026 Januar 2026 2026-01-16 +0–1=1 -7.1
Belgian Interclubs Round 2025-2026 Ronde 6 2026-01-25 +0–0=1 -1.7
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
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
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 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

Rating History

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Peak Ratings

Classical 2494
Rapid 2431
Blitz 2424

Games

Wins 8
Losses 7
Draws 18
Win Rate 24%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 9 4 28%
Black 3 9 3 20%

All-time Games (from rating history)

Classical 947
Rapid 16
Blitz 43

Recent Matches

IM Ceres, Dragos (2450) 2026-04-24 DRAW +0.3
GM Djukic, Nikola (2498) 2026-04-24 DRAW +0.9
Gueci, Salvatore Riccardo (2079) 2026-04-24 WIN +1.1
GM Janik, Igor (2504) 2026-04-24 DRAW +1.0
IM Pfreundt, Jakob (2477) 2026-04-24 LOSS -4.3
GM Saric, Ante (2474) 2026-04-24 LOSS -4.4
FM Lumachi, Gabriele (2421) 2026-04-24 DRAW -0.1
GM Delchev, Aleksander (2424) 2026-04-24 WIN +4.9
IM Roshka, Yevgeniy (2507) 2026-04-24 DRAW +1.1
Kraus, Sebastian (2096) 2026-05-03 WIN +1.2
Guernier, Antoine (2077) 2026-05-03 DRAW -3.9
FM Castellanos Villela, Alejandro (2271) 2026-05-03 DRAW -2.2
Fulgentini, Edoardo (2264) 2026-05-03 WIN +2.8
GM Smirin, Ilia (2562) 2026-05-03 LOSS -3.3
CM Danila, Tudor-Gabriel (2172) 2026-05-03 DRAW -3.2
FM Shilon Rahav, Eliran (2340) 2026-05-03 WIN +3.7
GM Sokolovsky, Yahli (2564) 2026-05-03 LOSS -3.2
FM Adharsh, K (2312) 2026-05-03 DRAW -1.7
IM Roshka, Yevgeniy (2509) 2026-04-30 LOSS -3.8
IM Martens, M.p.e. (martin) (2303) 2026-04-11 WIN +3.3
IM Seel, Christian, Dr. (2475) 2026-04-19 DRAW +0.6
FM Suvorov, Luca (2420) 2026-02-06 DRAW -0.1
IM Reuker, Jari (2404) 2026-03-01 DRAW -0.3
GM Genov, Petar (2416) 2026-03-01 DRAW -0.1
GM Nagy, Gabor (2423) 2026-03-01 DRAW 0.0
FM Froeyman, H. (helmut) (2259) 2026-03-07 WIN +2.8
FM Baselmans, Luuk (2371) 2026-03-15 DRAW -0.8
GM Wely Van, L.f.a.m. (loek) (2629) 2026-03-28 LOSS -2.4
GM Orlov, Andrey (2474) 2026-03-29 WIN +5.7
GM Ernst, S. (sipke) (2525) 2026-02-07 DRAW +1.4
FM Knuedel, Torben (2387) 2026-01-16 DRAW -0.6
FM Biastoch, Bennet (2322) 2026-01-16 LOSS -6.5
FM Dauw, Sterre (2305) 2026-01-25 DRAW -1.7