Prepare against Aleksander Kaczmarek
IM · Poland · World #2,808 classical · FIDE ID 1178385
When preparing against Aleksander Kaczmarek, expect 1.e4 in 96% of White games. Against 1.e4 the reply is 1...c6 (53% of games); against 1.d4, 1...c5 (45%). Lowest win rate among frequent openings: English Opening: Reverse Sicilian as Black, 25.0% over 16 games.
Our database contains 727 games by Aleksander Kaczmarek, covering Jan 2007 to Aug 2026. Below you'll find Aleksander Kaczmarek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Aleksander Kaczmarek 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 | 2,345 | 2,398 | Sep 2018 |
| Rapid | 2,196 | 2,219 | Apr 2019 |
| Blitz | 2,166 | 2,213 | Jul 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 727 | 336 | 178 | 213 | 46.2% |
| As White | 369 | 189 | 79 | 101 | 51.2% |
| As Black | 358 | 147 | 99 | 112 | 41.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Aleksander Kaczmarek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Aleksander Kaczmarek's side.
First moves as White (369 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 354 | 95.9% | 62.0% |
| d4 | 5 | 1.4% | 40.0% |
| f4 | 4 | 1.1% | 75.0% |
| c4 | 2 | 0.5% | 75.0% |
| a3 | 2 | 0.5% | 50.0% |
| b4 | 2 | 0.5% | 75.0% |
Main lines as White
- 1.e4 — 96% of White games, 62.0% score
- …c5 (46% of these games) — Kaczmarek usually continues Nf3 (59.7% score)
- …e5 (19% of these games) — Kaczmarek usually continues Nf3 (54.2% score)
- …e6 (15% of these games) — Kaczmarek usually continues d4 (71.7% score)
- 1.d4 — 1% of White games, 40.0% score
- …f5 (40% of these games) — Kaczmarek usually continues c4 (50.0% score)
- …Nf6 (20% of these games) — Kaczmarek usually continues Bg5 (0.0% score)
- …e6 (20% of these games) — Kaczmarek usually continues Nf3 (50.0% score)
As Black against 1.e4 (189 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 101 | 53.4% | 61.4% |
| c5 | 42 | 22.2% | 53.6% |
| d5 | 16 | 8.5% | 50.0% |
| e5 | 14 | 7.4% | 89.3% |
| e6 | 9 | 4.8% | 44.4% |
| g6 | 4 | 2.1% | 25.0% |
As Black against 1.d4 (104 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 47 | 45.2% | 56.4% |
| Nf6 | 43 | 41.3% | 59.3% |
| d5 | 8 | 7.7% | 31.3% |
| e6 | 2 | 1.9% | 50.0% |
| f5 | 2 | 1.9% | 75.0% |
| g6 | 2 | 1.9% | 75.0% |
Aleksander Kaczmarek's chess games
All 727 games by Aleksander Kaczmarek in the Chess.ceo database (Jan 2007 - 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: 336 wins, 178 draws, 213 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B43 | Sicilian | 54 | 23/12/19 | 42.6% |
| B90 | Sicilian: Najdorf | 45 | 19/11/15 | 42.2% |
| C56 | Italian Game | 25 | 9/5/11 | 36.0% |
| B20 | Sicilian: Snyder Variation | 24 | 13/4/7 | 54.2% |
| C00 | French Defense | 23 | 15/4/4 | 65.2% |
| B12 | Caro-Kann: Advance Variation | 20 | 10/4/6 | 50.0% |
| C02 | French: Advance Variation | 14 | 10/2/2 | 71.4% |
| C47 | Four Knights Game: Glek System | 10 | 3/5/2 | 30.0% |
| B07 | Pirc Defense | 10 | 9/1/0 | 90.0% |
| B71 | Sicilian: Dragon | 10 | 7/1/2 | 70.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A43 | Benoni Defense | 58 | 24/18/16 | 41.4% |
| B17 | Caro-Kann: Karpov Variation | 28 | 16/6/6 | 57.1% |
| B06 | Modern Defense | 24 | 9/3/12 | 37.5% |
| B12 | Caro-Kann: Advance Variation | 23 | 10/5/8 | 43.5% |
| A20 | English Opening: Reverse Sicilian | 16 | 4/3/9 | 25.0% |
| B32 | Sicilian | 16 | 9/4/3 | 56.3% |
| B13 | Caro-Kann: Exchange Variation | 15 | 5/7/3 | 33.3% |
| B11 | Caro-Kann: Two Knights Variation | 14 | 8/2/4 | 57.1% |
| B10 | Caro-Kann | 13 | 6/4/3 | 46.2% |
| A46 | Indian Defense | 11 | 4/3/4 | 36.4% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2021 | Baadur Jobava | 2,603 | Lezajsk Merlin 1st | C02 |
| Jan 2017 | Dimitrios Mastrovasilis | 2,596 | 1st Suwalki Warakomska Memorial A | B47 |
| Aug 2016 | Jiri Stocek | 2,550 | 6th Riga Tech Open | A43 |
| Apr 2024 | Igor Samunenkov | 2,548 | Sardinia World Open A | B13 |
| Dec 2014 | Kamil Dragun | 2,547 | 25th Krakow Open A | A43 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| POL-chT 1st League | 2024 | 43 | 21.5 | 2,285 |
| POL-chT 2nd League | 2023 | 43 | 29 | 2,384 |
| chT-POL U19 1st League | 2015 | 26 | 19.5 | 2,248 |
| ch-POL U12 | 2009 | 22 | 15 | 1,959 |
| Olsztyn Open U18 Blitz | 2013 | 19 | 13.5 | 2,184 |
| Chorzow Open | 2010 | 18 | 10 | 2,084 |
| Chorzow Bak Memorial Open | 2010 | 18 | 9 | 2,046 |
| chT-POL Academic | 2021 | 18 | 10 | 2,084 |
Interactive opening tree from all 727 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Aleksander Kaczmarek's chess games?
727 games by Aleksander Kaczmarek, from Jan 2007 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 Kaczmarek has played.
What does Aleksander Kaczmarek play on the first move as White?
Across 369 games with White in our database, Aleksander Kaczmarek opens with 1.e4 (96% of games), 1.d4 (1% of games), 1.f4 (1% of games). Against 1.e4 as Black, Aleksander Kaczmarek answers 1...c6 (53% of games), 1...c5 (22% of games), 1...d5 (8% of games). Against 1.d4: 1...c5 (45% of games), 1...Nf6 (41% of games), 1...d5 (8% of games).
What openings does Aleksander Kaczmarek play as White?
As White, Aleksander Kaczmarek's most-played openings in our database are: Sicilian (54 games, 42.6% win rate); Sicilian: Najdorf (45 games, 42.2% win rate); Italian Game (25 games, 36.0% win rate). The full breakdown of 369 games with White is in the table above.
What openings does Aleksander Kaczmarek play as Black?
As Black, Aleksander Kaczmarek most often plays: Benoni Defense (58 games, 41.4% win rate); Caro-Kann: Karpov Variation (28 games, 57.1% win rate); Modern Defense (24 games, 37.5% win rate). See the table above for the top ten Black openings across 358 games.
What is Aleksander Kaczmarek's FIDE rating?
Aleksander Kaczmarek is currently rated 2,345 in classical chess, 2,196 in rapid and 2,166 in blitz. Peak classical rating: 2,398 (Sep 2018).
How many games has Aleksander Kaczmarek played?
Our database contains 727 games by Aleksander Kaczmarek, covering Jan 2007 to Aug 2026. Overall record: 336 wins, 178 draws, 213 losses (46.2% win rate).
How do I prepare against Aleksander Kaczmarek?
727 games by Aleksander Kaczmarek 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.