Prepare against Aleksander Kopacki
Poland · World #21,648 classical · FIDE ID 21044481
Our database contains 90 games by Aleksander Kopacki, covering May 2021 to Aug 2026. Below you'll find Aleksander Kopacki's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Aleksander Kopacki 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 | 2,044 | 2,044 | Aug 2026 |
| Rapid | 2,032 | 2,078 | May 2026 |
| Blitz | 1,999 | 2,011 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 90 | 39 | 28 | 23 | 43.3% |
| As White | 43 | 18 | 13 | 12 | 41.9% |
| As Black | 47 | 21 | 15 | 11 | 44.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Aleksander Kopacki's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Aleksander Kopacki's side.
First moves as White (43 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 40 | 93.0% | 57.5% |
| d4 | 3 | 7.0% | 50.0% |
Main lines as White
- 1.e4 — 93% of White games, 57.5% score
- …c5 (55% of these games) — Kopacki usually continues Nf3 (61.4% score)
- …e5 (15% of these games) — Kopacki usually continues Nf3 (58.3% score)
- …c6 (15% of these games) — Kopacki usually continues d4 (50.0% score)
- 1.d4 — 7% of White games, 50.0% score
- …d5 (67% of these games) — Kopacki usually continues c4 (75.0% score)
- …Nf6 (33% of these games) — Kopacki usually continues c4 (0.0% score)
As Black against 1.e4 (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 19 | 76.0% | 73.7% |
| c6 | 6 | 24.0% | 41.7% |
As Black against 1.d4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 14 | 93.3% | 67.9% |
| Nf6 | 1 | 6.7% | 50.0% |
Aleksander Kopacki's chess games
All 90 games by Aleksander Kopacki in the Chess.ceo database (May 2021 - 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: 39 wins, 28 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 8 | 5/1/2 | 62.5% |
| B36 | Sicilian: Accelerated Dragon | 4 | 0/2/2 | 0.0% |
| B47 | Sicilian: Taimanov | 4 | 1/2/1 | 25.0% |
| B92 | Sicilian: Najdorf | 3 | 2/1/0 | 66.7% |
| B13 | Caro-Kann: Exchange Variation | 3 | 0/2/1 | 0.0% |
| B10 | Caro-Kann: Two Knights Variation | 2 | 1/0/1 | 50.0% |
| C03 | French: Tarrasch Variation | 2 | 0/1/1 | 0.0% |
| B14 | French: Exchange Variation | 1 | 1/0/0 | 100.0% |
| C10 | French Defense | 1 | 0/0/1 | 0.0% |
| C54 | Italian Game: Classical Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B56 | Sicilian | 15 | 9/4/2 | 60.0% |
| D20 | Queen's Gambit Accepted | 4 | 2/1/1 | 50.0% |
| B18 | Caro-Kann: Classical | 4 | 1/2/1 | 25.0% |
| A03 | Bird's opening | 3 | 0/1/2 | 0.0% |
| D04 | Colle System | 3 | 2/1/0 | 66.7% |
| D11 | Slav Defense | 2 | 2/0/0 | 100.0% |
| D31 | Queen's Gambit Declined | 2 | 0/1/1 | 0.0% |
| A06 | Réti Opening | 2 | 0/1/1 | 0.0% |
| B52 | Sicilian: Moscow Variation | 2 | 1/1/0 | 50.0% |
| D40 | London System | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2026 | Stepinski,Piotr | 2,137 | 22nd Baltic Pearl Open A | B12 |
| Jul 2026 | Zeissel,Andrzej | 2,097 | 22nd Baltic Pearl Open A | C50 |
| Jul 2026 | Marcel Bury | 1,936 | Polish Youth Rapid & Blitz Championships 2026 | Blitz | O14 | B10 |
| Aug 2025 | Piotr Bochenek | 1,930 | 61st Rubinstein Mem Open | D11 |
| Jul 2026 | Michal Kozmala | 1,895 | Polish Youth Rapid & Blitz Championships 2026 | Blitz | O14 | B47 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-POL U10 | 2023 | 18 | 13.5 | 1,435 |
| 22nd Baltic Pearl Open A | 2026 | 9 | 5.5 | 2,099 |
| ch-EU Hybrid U08 | 2021 | 9 | 5.5 | 1,430 |
| ch-POL Rapid U18 | 2023 | 9 | 6.5 | 1,587 |
| Polish Youth Rapid & Blitz Championships 2026 | Blitz | O14 | 2026 | 8 | 5.5 | 2,048 |
| Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 1-10 | 2026 | 8 | 6.5 | 2,008 |
| 61st Rubinstein Mem Open | 2025 | 8 | 1.5 | 1,772 |
| chT-POL 2nd League | 2025 | 7 | 4 | 1,930 |
Interactive opening tree from all 90 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Aleksander Kopacki's chess games?
90 games by Aleksander Kopacki, from May 2021 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 Aleksander Kopacki has played.
What does Aleksander Kopacki play on the first move as White?
Across 43 games with White in our database, Aleksander Kopacki opens with 1.e4 (93% of games), 1.d4 (7% of games). Against 1.e4 as Black, Aleksander Kopacki answers 1...c5 (76% of games), 1...c6 (24% of games). Against 1.d4: 1...d5 (93% of games), 1...Nf6 (7% of games).
What openings does Aleksander Kopacki play as White?
As White, Aleksander Kopacki's most-played openings in our database are: Sicilian (8 games, 62.5% win rate); Sicilian: Accelerated Dragon (4 games, 0.0% win rate); Sicilian: Taimanov (4 games, 25.0% win rate). The full breakdown of 43 games with White is in the table above.
What openings does Aleksander Kopacki play as Black?
As Black, Aleksander Kopacki most often plays: Sicilian (15 games, 60.0% win rate); Queen's Gambit Accepted (4 games, 50.0% win rate); Caro-Kann: Classical (4 games, 25.0% win rate). See the table above for the top ten Black openings across 47 games.
What is Aleksander Kopacki's FIDE rating?
Aleksander Kopacki is currently rated 2,044 in classical chess, 2,032 in rapid and 1,999 in blitz. Peak classical rating: 2,044 (Aug 2026).
How many games has Aleksander Kopacki played?
Our database contains 90 games by Aleksander Kopacki, covering May 2021 to Aug 2026. Overall record: 39 wins, 28 draws, 23 losses (43.3% win rate).
How do I prepare against Aleksander Kopacki?
90 games by Aleksander Kopacki 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.