Prepare against Lena Mroz
Poland · World #53,480 classical · FIDE ID 21830916
Our database contains 94 games by Lena Mroz, covering Apr 2015 to Jul 2026. Below you'll find Lena Mroz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Lena Mroz 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 | 1,880 | 1,889 | Jun 2024 |
| Rapid | 1,735 | 1,735 | Jul 2026 |
| Blitz | 1,764 | 1,764 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 94 | 37 | 21 | 36 | 39.4% |
| As White | 49 | 22 | 9 | 18 | 44.9% |
| As Black | 45 | 15 | 12 | 18 | 33.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Lena Mroz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Lena Mroz's side.
First moves as White (49 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 49 | 100.0% | 54.1% |
Main lines as White
- 1.e4 — 100% of White games, 54.1% score
- …e5 (33% of these games) — Mroz usually continues Nf3 (75.0% score)
- …c5 (33% of these games) — Mroz usually continues Nf3 (40.6% score)
- …g6 (8% of these games) — Mroz usually continues d4 (25.0% score)
As Black against 1.e4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 26 | 92.9% | 50.0% |
| d6 | 2 | 7.1% | 75.0% |
As Black against 1.d4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 11 | 84.6% | 54.5% |
| f5 | 2 | 15.4% | 25.0% |
Lena Mroz's chess games
All 94 games by Lena Mroz in the Chess.ceo database (Apr 2015 - 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: 37 wins, 21 draws, 36 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 6 | 0/2/4 | 0.0% |
| B90 | Sicilian: Najdorf | 6 | 4/0/2 | 66.7% |
| B09 | Modern Defense | 4 | 1/0/3 | 25.0% |
| C78 | Ruy Lopez: Morphy Defense | 4 | 3/0/1 | 75.0% |
| C45 | Scotch Game | 4 | 3/0/1 | 75.0% |
| B09 | Pirc Defense | 4 | 2/1/1 | 50.0% |
| B01 | Scandinavian Defense: Modern Variation | 2 | 1/0/1 | 50.0% |
| C80 | Ruy Lopez: Open | 2 | 1/1/0 | 50.0% |
| C10 | French Defense | 1 | 0/0/1 | 0.0% |
| C11 | French: Classical Variation | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B28 | Sicilian | 20 | 5/7/8 | 25.0% |
| D02 | London System | 3 | 1/0/2 | 33.3% |
| D31 | Semi-Slav Defense | 3 | 1/1/1 | 33.3% |
| B07 | Philidor | 2 | 1/1/0 | 50.0% |
| D02 | Queen's Pawn Game | 2 | 2/0/0 | 100.0% |
| A80 | Dutch Defense | 2 | 0/1/1 | 0.0% |
| D34 | Réti Opening | 1 | 0/0/1 | 0.0% |
| B22 | Sicilian: Alapin | 1 | 1/0/0 | 100.0% |
| B45 | Sicilian: Four Knights | 1 | 1/0/0 | 100.0% |
| B82 | Sicilian: Najdorf | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2023 | Irena Hertlein | 2,120 | ch-POL Blitz U18 Girls | E07 |
| Aug 2023 | Weronika Zabrzanska | 2,039 | ch-POL Blitz U18 Girls | C78 |
| Jun 2023 | Kostiantyn Makhynia | 2,015 | 19th Lazy Baltic Pearl Open A | E09 |
| Oct 2021 | Ilinca-Petra Batagan | 1,977 | ch-EU Hybrid U16 Girls | B80 |
| Jun 2023 | Jakub Hiszczynski | 1,977 | 19th Lazy Baltic Pearl Open A | B43 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-POL U20 2nd League | 2017 | 10 | 8 | 1,502 |
| 1st chT-POL U18 | 2022 | 9 | 1.5 | 1,533 |
| 19th Lazy Baltic Pearl Open A | 2023 | 9 | 5.5 | 1,990 |
| ch-EU Hybrid U16 Girls | 2021 | 9 | 5 | 1,909 |
| ch-EU U14 Girls | 2019 | 9 | 5 | 1,673 |
| Poronin Tatra Limba Open | 2022 | 9 | 4 | 1,727 |
| ch-POL U16 Girls | 2022 | 9 | 6 | 1,767 |
| ch-POL U18 Girls | 2023 | 8 | 4.5 | 1,757 |
Interactive opening tree from all 94 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Lena Mroz's chess games?
94 games by Lena Mroz, from Apr 2015 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 Lena Mroz has played.
What does Lena Mroz play on the first move as White?
Across 49 games with White in our database, Lena Mroz opens with 1.e4 (100% of games). Against 1.e4 as Black, Lena Mroz answers 1...c5 (93% of games), 1...d6 (7% of games). Against 1.d4: 1...d5 (85% of games), 1...f5 (15% of games).
What openings does Lena Mroz play as White?
As White, Lena Mroz's most-played openings in our database are: Sicilian (6 games, 0.0% win rate); Sicilian: Najdorf (6 games, 66.7% win rate); Modern Defense (4 games, 25.0% win rate). The full breakdown of 49 games with White is in the table above.
What openings does Lena Mroz play as Black?
As Black, Lena Mroz most often plays: Sicilian (20 games, 25.0% win rate); London System (3 games, 33.3% win rate); Semi-Slav Defense (3 games, 33.3% win rate). See the table above for the top ten Black openings across 45 games.
What is Lena Mroz's FIDE rating?
Lena Mroz is currently rated 1,880 in classical chess, 1,735 in rapid and 1,764 in blitz. Peak classical rating: 1,889 (Jun 2024).
How many games has Lena Mroz played?
Our database contains 94 games by Lena Mroz, covering Apr 2015 to Jul 2026. Overall record: 37 wins, 21 draws, 36 losses (39.4% win rate).
How do I prepare against Lena Mroz?
94 games by Lena Mroz 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.