Prepare against Karolina Niedorys
Poland · World #140,069 classical · FIDE ID 21881618
When preparing against Karolina Niedorys, expect 1.e4 in 95% of White games. Against 1.e4 the reply is 1...c5 (93% of games); against 1.d4, 1...Nf6 (50%).
Our database contains 42 games by Karolina Niedorys, covering Sep 2017 to Jul 2026. Below you'll find Karolina Niedorys's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Karolina Niedorys 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 | 1,620 | 1,797 | Jul 2024 |
| Rapid | 1,680 | 1,680 | Jul 2026 |
| Blitz | 1,640 | 1,710 | Aug 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 42 | 12 | 10 | 20 | 28.6% |
| As White | 21 | 7 | 6 | 8 | 33.3% |
| As Black | 21 | 5 | 4 | 12 | 23.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Karolina Niedorys's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Karolina Niedorys's side.
First moves as White (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 20 | 95.2% | 47.5% |
| c4 | 1 | 4.8% | 50.0% |
Main lines as White
- 1.e4 — 95% of White games, 47.5% score
- …c5 (70% of these games) — Niedorys usually continues Nf3 (39.3% score)
- …e5 (30% of these games) — Niedorys usually continues Nf3 (66.7% score)
- 1.c4 — 5% of White games, 50.0% score
- …c6 (100% of these games) — Niedorys usually continues Nc3 (50.0% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 14 | 93.3% | 28.6% |
| e5 | 1 | 6.7% | 50.0% |
As Black against 1.d4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 2 | 50.0% | 0.0% |
| d5 | 2 | 50.0% | 25.0% |
Karolina Niedorys's chess games
All 42 games by Karolina Niedorys in the Chess.ceo database (Sep 2017 - Jul 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: 12 wins, 10 draws, 20 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B43 | Sicilian | 8 | 2/1/5 | 25.0% |
| B34 | Sicilian: Accelerated Dragon | 3 | 1/1/1 | 33.3% |
| C54 | Italian Game: Giuoco Pianissimo | 1 | 1/0/0 | 100.0% |
| C42 | Petrov's Defense | 1 | 0/0/1 | 0.0% |
| C92 | Ruy Lopez: Berlin Defense | 1 | 1/0/0 | 100.0% |
| C45 | Scotch Game | 1 | 0/1/0 | 0.0% |
| B78 | Sicilian: Dragon | 1 | 1/0/0 | 100.0% |
| B80 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/1/0 | 0.0% |
| D13 | English Opening: Slav Setup | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B76 | Sicilian: Dragon | 5 | 2/0/3 | 40.0% |
| B23 | Sicilian: Closed | 3 | 1/1/1 | 33.3% |
| A04 | Sicilian | 3 | 0/0/3 | 0.0% |
| A29 | English Opening: Reverse Sicilian | 2 | 2/0/0 | 100.0% |
| D35 | Indian Defense | 2 | 0/1/1 | 0.0% |
| A70 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| B52 | Sicilian: Moscow Variation | 1 | 0/0/1 | 0.0% |
| E73 | King's Indian Defense: Averbakh System | 1 | 0/0/1 | 0.0% |
| C27 | Petrov's Defense | 1 | 0/1/0 | 0.0% |
| B74 | Sicilian: Accelerated Dragon | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2021 | Mateusz Rozanski | 1,639 | 1st Lezajsk Merlin Blitz | C45 |
| Jul 2021 | Zofia Lazniewska | 1,625 | ch-POL U14 Girls | B34 |
| Aug 2023 | Magda Oborska | 1,501 | ch-POL Blitz U18 Girls | C92 |
| Mar 2022 | Magdalena Pudelko | 1,407 | ch-POL U16 Girls | B76 |
| Aug 2021 | Gabriela Tokarz | 1,310 | 1st Lezajsk Merlin Blitz | B78 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-POL U16 Girls | 2023 | 16 | 6.5 | 1,341 |
| ch-POL U14 Girls | 2021 | 9 | 6 | 1,631 |
| 1st Lezajsk Merlin Blitz | 2021 | 6 | 2.5 | 1,651 |
| ch-POL Rapid U18 Girls | 2023 | 5 | 0.5 | 1,233 |
| ch-POL Blitz U18 Girls | 2023 | 3 | 1 | 1,494 |
| POL-chT 2nd League | 2024 | 3 | 0.5 | 1,618 |
Interactive opening tree from all 42 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Karolina Niedorys's chess games?
42 games by Karolina Niedorys, from Sep 2017 to Jul 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 Karolina Niedorys has played.
What does Karolina Niedorys play on the first move as White?
Across 21 games with White in our database, Karolina Niedorys opens with 1.e4 (95% of games), 1.c4 (5% of games). Against 1.e4 as Black, Karolina Niedorys answers 1...c5 (93% of games), 1...e5 (7% of games). Against 1.d4: 1...Nf6 (50% of games), 1...d5 (50% of games).
What openings does Karolina Niedorys play as White?
As White, Karolina Niedorys's most-played openings in our database are: Sicilian (8 games, 25.0% win rate); Sicilian: Accelerated Dragon (3 games, 33.3% win rate); Italian Game: Giuoco Pianissimo (1 games, 100.0% win rate). The full breakdown of 21 games with White is in the table above.
What openings does Karolina Niedorys play as Black?
As Black, Karolina Niedorys most often plays: Sicilian: Dragon (5 games, 40.0% win rate); Sicilian: Closed (3 games, 33.3% win rate); Sicilian (3 games, 0.0% win rate). See the table above for the top ten Black openings across 21 games.
What is Karolina Niedorys's FIDE rating?
Karolina Niedorys is currently rated 1,620 in classical chess, 1,680 in rapid and 1,640 in blitz. Peak classical rating: 1,797 (Jul 2024).
How many games has Karolina Niedorys played?
Our database contains 42 games by Karolina Niedorys, covering Sep 2017 to Jul 2026. Overall record: 12 wins, 10 draws, 20 losses (28.6% win rate).
How do I prepare against Karolina Niedorys?
42 games by Karolina Niedorys 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.