Prepare against Nico Zwirs
IM · NLD · World #1,154 classical · FIDE ID 1036432
When preparing against Nico Zwirs, expect 1.e4 in 75% of White games. Against 1.e4 the reply is 1...c5 (90% of games); against 1.d4, 1...d5 (53%). Lowest win rate among frequent openings: King's Indian Defense: Orthodox Variation as Black, 17.6% over 17 games.
Our database contains 1,080 games by Nico Zwirs, covering Jul 2010 to Aug 2026. Below you'll find Nico Zwirs's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Nico Zwirs before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,438 | 2,494 | May 2024 |
| Rapid | 2,424 | 2,431 | Jul 2024 |
| Blitz | 2,421 | 2,424 | May 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,080 | 497 | 331 | 252 | 46.0% |
| As White | 558 | 280 | 167 | 111 | 50.2% |
| As Black | 522 | 217 | 164 | 141 | 41.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Nico Zwirs's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Nico Zwirs's side.
First moves as White (558 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 418 | 74.9% | 63.8% |
| c4 | 60 | 10.8% | 76.7% |
| d4 | 47 | 8.4% | 53.2% |
| Nf3 | 31 | 5.6% | 79.0% |
| b3 | 2 | 0.4% | 75.0% |
Main lines as White
- 1.e4 — 75% of White games, 63.8% score
- …c5 (41% of these games) — Zwirs usually continues Nf3 (62.8% score)
- …e5 (25% of these games) — Zwirs usually continues Nf3 (62.0% score)
- …e6 (13% of these games) — Zwirs usually continues d4 (71.6% score)
- 1.c4 — 11% of White games, 76.7% score
- …e5 (30% of these games) — Zwirs usually continues a3 (80.0% score)
- …Nf6 (27% of these games) — Zwirs usually continues Nc3 (75.0% score)
- …e6 (15% of these games) — Zwirs usually continues Nf3 (75.0% score)
As Black against 1.e4 (261 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 235 | 90.0% | 61.9% |
| e5 | 18 | 6.9% | 55.6% |
| e6 | 3 | 1.1% | 33.3% |
| d5 | 3 | 1.1% | 50.0% |
| c6 | 1 | 0.4% | 50.0% |
| d6 | 1 | 0.4% | 100.0% |
As Black against 1.d4 (148 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 79 | 53.4% | 57.6% |
| Nf6 | 65 | 43.9% | 57.7% |
| d6 | 3 | 2.0% | 83.3% |
| e6 | 1 | 0.7% | 100.0% |
Nico Zwirs's chess games
All 1,080 games by Nico Zwirs in the Chess.ceo database (Jul 2010 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 497 wins, 331 draws, 252 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 75 | 35/24/16 | 46.7% |
| C55 | Italian Game | 54 | 20/23/11 | 37.0% |
| B90 | Sicilian: Najdorf | 45 | 23/9/13 | 51.1% |
| B13 | Caro-Kann: Exchange Variation | 25 | 14/7/4 | 56.0% |
| A13 | English Opening | 24 | 18/4/2 | 75.0% |
| B06 | Modern Defense | 21 | 6/6/9 | 28.6% |
| A20 | English Opening: Reverse Sicilian | 20 | 11/6/3 | 55.0% |
| C18 | French: Winawer Variation | 17 | 9/4/4 | 52.9% |
| C11 | French: Classical Variation | 17 | 10/7/0 | 58.8% |
| C54 | Italian Game: Classical Variation | 17 | 9/6/2 | 52.9% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 86 | 41/22/23 | 47.7% |
| D35 | Indian Defense | 61 | 17/22/22 | 27.9% |
| B50 | Sicilian | 57 | 31/17/9 | 54.4% |
| B51 | Sicilian: Moscow Variation | 33 | 14/11/8 | 42.4% |
| A07 | Réti Opening | 27 | 8/12/7 | 29.6% |
| B22 | Sicilian: Alapin | 27 | 14/10/3 | 51.9% |
| A13 | English Opening | 23 | 9/4/10 | 39.1% |
| E04 | Catalan | 21 | 9/7/5 | 42.9% |
| B23 | Sicilian: Closed | 20 | 7/1/12 | 35.0% |
| E97 | King's Indian Defense: Orthodox Variation | 17 | 3/8/6 | 17.6% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2025 | Matthias Bluebaum | 2,643 | Titled Tue Late | C11 |
| May 2023 | Vasif Durarbayli | 2,627 | Titled Tue Late | B56 |
| Aug 2019 | Erwin L'Ami | 2,622 | 23rd Vlissingen HZ Open | E04 |
| Feb 2024 | Aram Hakobyan | 2,619 | Titled Tue Late | E61 |
| Aug 2024 | Christopher Woojin Yoo | 2,616 | 51st Dortmund Sparkassen Open A | B90 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 138 | 87 | 2,443 |
| Dieren Open | 2023 | 91 | 55 | 2,383 |
| Amsterdam Science Park Open A | 2023 | 24 | 17 | 2,428 |
| Hilversum Open | 2023 | 22 | 15.5 | 2,421 |
| PRO League Central | 2017 | 13 | 10.5 | 2,671 |
| 5th ch-NED blitz | 2019 | 12 | 4 | 2,300 |
| 24th ch-EUR Indiv | 2024 | 10 | 5 | 2,383 |
| 3rd La Palma | 2022 | 10 | 4 | 2,385 |
Interactive opening tree from all 1,080 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Nico Zwirs's chess games?
1,080 games by Nico Zwirs, from Jul 2010 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Nico Zwirs has played.
What does Nico Zwirs play on the first move as White?
Across 558 games with White in our database, Nico Zwirs opens with 1.e4 (75% of games), 1.c4 (11% of games), 1.d4 (8% of games). Against 1.e4 as Black, Nico Zwirs answers 1...c5 (90% of games), 1...e5 (7% of games), 1...e6 (1% of games). Against 1.d4: 1...d5 (53% of games), 1...Nf6 (44% of games), 1...d6 (2% of games).
What openings does Nico Zwirs play as White?
As White, Nico Zwirs's most-played openings in our database are: Sicilian (75 games, 46.7% win rate); Italian Game (54 games, 37.0% win rate); Sicilian: Najdorf (45 games, 51.1% win rate). The full breakdown of 558 games with White is in the table above.
What openings does Nico Zwirs play as Black?
As Black, Nico Zwirs most often plays: Sicilian: Najdorf (86 games, 47.7% win rate); Indian Defense (61 games, 27.9% win rate); Sicilian (57 games, 54.4% win rate). See the table above for the top ten Black openings across 522 games.
What is Nico Zwirs's FIDE rating?
Nico Zwirs is currently rated 2,438 in classical chess, 2,424 in rapid and 2,421 in blitz. Peak classical rating: 2,494 (May 2024).
How many games has Nico Zwirs played?
Our database contains 1,080 games by Nico Zwirs, covering Jul 2010 to Aug 2026. Overall record: 497 wins, 331 draws, 252 losses (46.0% win rate).
How do I prepare against Nico Zwirs?
1,080 games by Nico Zwirs reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.