Prepare against Aleksandra Kozubal
Poland · World #64,187 classical · FIDE ID 1166573
When preparing against Aleksandra Kozubal, expect 1.d4 in 90% of White games. Against 1.e4 the reply is 1...c5 (72% of games); against 1.d4, 1...d5 (93%). Lowest win rate among frequent openings: Sicilian as Black, 35.3% over 17 games.
Our database contains 146 games by Aleksandra Kozubal, covering Sep 2010 to Jul 2026. Below you'll find Aleksandra Kozubal's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Aleksandra Kozubal 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 | 1,841 | 1,851 | Jul 2024 |
| Rapid | 1,807 | 1,818 | Dec 2024 |
| Blitz | 1,776 | 1,776 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 146 | 53 | 32 | 61 | 36.3% |
| As White | 77 | 32 | 16 | 29 | 41.6% |
| As Black | 69 | 21 | 16 | 32 | 30.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Aleksandra Kozubal's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Aleksandra Kozubal's side.
First moves as White (77 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 69 | 89.6% | 51.4% |
| e4 | 8 | 10.4% | 56.3% |
Main lines as White
- 1.d4 — 90% of White games, 51.4% score
- …d5 (49% of these games) — Kozubal usually continues c4 (51.5% score)
- …Nf6 (39% of these games) — Kozubal usually continues c4 (52.0% score)
- …e6 (6% of these games) — Kozubal usually continues c4 (62.5% score)
- 1.e4 — 10% of White games, 56.3% score
- …c5 (50% of these games) — Kozubal usually continues c3 (33.3% score)
- …e5 (50% of these games) — Kozubal usually continues Nf3 (87.5% score)
As Black against 1.e4 (46 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 33 | 71.7% | 48.5% |
| e5 | 7 | 15.2% | 21.4% |
| e6 | 2 | 4.3% | 25.0% |
| Nf6 | 1 | 2.2% | 0.0% |
As Black against 1.d4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 14 | 93.3% | 53.6% |
| c5 | 1 | 6.7% | 100.0% |
Aleksandra Kozubal's chess games
All 146 games by Aleksandra Kozubal in the Chess.ceo database (Sep 2010 - 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: 53 wins, 32 draws, 61 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D15 | Slav Defense | 13 | 3/4/6 | 23.1% |
| A48 | Indian Defense | 7 | 4/1/2 | 57.1% |
| D31 | Queen's Gambit Declined | 6 | 3/1/2 | 50.0% |
| D30 | Semi-Slav Defense | 5 | 2/1/2 | 40.0% |
| A85 | Horwitz Defense | 3 | 1/1/1 | 33.3% |
| A51 | Budapest Defense | 3 | 1/1/1 | 33.3% |
| E32 | Nimzo-Indian: Classical Variation | 3 | 1/1/1 | 33.3% |
| A57 | Benoni Defense | 3 | 2/0/1 | 66.7% |
| D06 | Queen's Gambit | 3 | 1/1/1 | 33.3% |
| B22 | Sicilian: Alapin | 3 | 1/0/2 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 17 | 6/3/8 | 35.3% |
| D10 | Slav Defense | 9 | 4/2/3 | 44.4% |
| B23 | Sicilian: Closed | 5 | 1/2/2 | 20.0% |
| A23 | English Opening: Reverse Sicilian | 3 | 0/1/2 | 0.0% |
| C54 | Italian Game | 3 | 0/0/3 | 0.0% |
| B00 | King's Pawn Game | 3 | 0/0/3 | 0.0% |
| B30 | Sicilian: Rossolimo | 3 | 2/1/0 | 66.7% |
| B35 | Sicilian: Accelerated Dragon | 2 | 2/0/0 | 100.0% |
| D02 | Queen's Pawn Game | 2 | 1/0/1 | 50.0% |
| D04 | Colle System | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2017 | Jonah Krause | 2,368 | ch-EU blitz | D94 |
| Aug 2016 | Ziemowit Ossolinski | 1,878 | 52nd Polanica Zdroj Open C | A57 |
| Jul 2016 | Anna Karykowska | 1,818 | POL-chT U19 2nd League | B80 |
| Aug 2015 | Adrian Miasik | 1,805 | POL-chT U19 2nd League | D40 |
| Jul 2014 | Anna Kubicka | 1,760 | POL-chT U19 2nd League | B46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| POL-chT U19 2nd League | 2016 | 42 | 26.5 | 1,669 |
| ch-POL U10 Girls | 2009 | 10 | 5 | 1,505 |
| POL Olympiad U14 | 2013 | 9 | 5.5 | 1,650 |
| 23rd ch-EU U14 Girls | 2013 | 9 | 3.5 | 1,687 |
| ch-POL U18 Girls | 2016 | 9 | 4 | 1,689 |
| ch-POL U12 Girls | 2011 | 9 | 4.5 | 1,530 |
| ch-Podkarpackie | 2015 | 9 | 4.5 | 1,581 |
| chT-POL Ekstraliga 2024 | 2024 | 8 | 0 | 1,929 |
Interactive opening tree from all 146 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Aleksandra Kozubal's chess games?
146 games by Aleksandra Kozubal, from Sep 2010 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 Aleksandra Kozubal has played.
What does Aleksandra Kozubal play on the first move as White?
Across 77 games with White in our database, Aleksandra Kozubal opens with 1.d4 (90% of games), 1.e4 (10% of games). Against 1.e4 as Black, Aleksandra Kozubal answers 1...c5 (72% of games), 1...e5 (15% of games), 1...e6 (4% of games). Against 1.d4: 1...d5 (93% of games), 1...c5 (7% of games).
What openings does Aleksandra Kozubal play as White?
As White, Aleksandra Kozubal's most-played openings in our database are: Slav Defense (13 games, 23.1% win rate); Indian Defense (7 games, 57.1% win rate); Queen's Gambit Declined (6 games, 50.0% win rate). The full breakdown of 77 games with White is in the table above.
What openings does Aleksandra Kozubal play as Black?
As Black, Aleksandra Kozubal most often plays: Sicilian (17 games, 35.3% win rate); Slav Defense (9 games, 44.4% win rate); Sicilian: Closed (5 games, 20.0% win rate). See the table above for the top ten Black openings across 69 games.
What is Aleksandra Kozubal's FIDE rating?
Aleksandra Kozubal is currently rated 1,841 in classical chess, 1,807 in rapid and 1,776 in blitz. Peak classical rating: 1,851 (Jul 2024).
How many games has Aleksandra Kozubal played?
Our database contains 146 games by Aleksandra Kozubal, covering Sep 2010 to Jul 2026. Overall record: 53 wins, 32 draws, 61 losses (36.3% win rate).
How do I prepare against Aleksandra Kozubal?
146 games by Aleksandra Kozubal 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.