Prepare against Karol Maciaszek
Poland · World #36,346 classical · FIDE ID 21087970
When preparing against Karol Maciaszek, expect 1.d4 in 90% of White games. Against 1.e4 the reply is 1...c5 (60% of games); against 1.d4, 1...Nf6 (83%).
Our database contains 43 games by Karol Maciaszek, covering Jan 2021 to Sep 2026. Below you'll find Karol Maciaszek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Karol Maciaszek 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 | 1,953 | 1,953 | Sep 2026 |
| Rapid | 1,898 | 1,902 | Mar 2026 |
| Blitz | 1,955 | 1,955 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 43 | 13 | 12 | 18 | 30.2% |
| As White | 21 | 9 | 3 | 9 | 42.9% |
| As Black | 22 | 4 | 9 | 9 | 18.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Karol Maciaszek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Karol Maciaszek's side.
First moves as White (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 19 | 90.5% | 55.3% |
| e4 | 2 | 9.5% | 0.0% |
Main lines as White
- 1.d4 — 90% of White games, 55.3% score
- …Nf6 (47% of these games) — Maciaszek usually continues Bg5 (72.2% score)
- …d5 (32% of these games) — Maciaszek usually continues c4 (100.0% score)
- …e6 (11% of these games) — Maciaszek usually continues e4 (50.0% score)
- 1.e4 — 10% of White games, 0.0% score
- …e5 (50% of these games) — Maciaszek usually continues Nf3 (0.0% score)
- …c6 (50% of these games) — Maciaszek usually continues d4 (0.0% score)
As Black against 1.e4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 6 | 60.0% | 50.0% |
| c6 | 2 | 20.0% | 50.0% |
| g6 | 1 | 10.0% | 100.0% |
| e6 | 1 | 10.0% | 100.0% |
As Black against 1.d4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 83.3% | 30.0% |
| c5 | 1 | 16.7% | 0.0% |
Karol Maciaszek's chess games
All 43 games by Karol Maciaszek in the Chess.ceo database (Jan 2021 - Sep 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: 13 wins, 12 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A45 | Trompowsky Attack | 9 | 6/1/2 | 66.7% |
| C02 | French: Advance Variation | 2 | 1/0/1 | 50.0% |
| D15 | Slav Defense | 2 | 1/1/0 | 50.0% |
| D00 | London System | 2 | 0/1/1 | 0.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 1 | 0/0/1 | 0.0% |
| D03 | Torre Attack | 1 | 0/0/1 | 0.0% |
| D51 | Queen's Gambit Declined | 1 | 1/0/0 | 100.0% |
| C51 | Italian Game: Evans Gambit | 1 | 0/0/1 | 0.0% |
| B00 | Pirc Defense: Lion System | 1 | 0/0/1 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B45 | Sicilian: Four Knights | 5 | 1/2/2 | 20.0% |
| A46 | Benoni Defense | 3 | 0/1/2 | 0.0% |
| A46 | Indian Defense | 3 | 0/2/1 | 0.0% |
| B30 | Sicilian | 2 | 0/2/0 | 0.0% |
| A38 | English Opening | 2 | 0/1/1 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 1 | 0/0/1 | 0.0% |
| D02 | London System | 1 | 0/0/1 | 0.0% |
| A42 | Modern Defense | 1 | 1/0/0 | 100.0% |
| A14 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| A15 | Réti Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2025 | Marcin Maka | 2,070 | chT-POL 2nd League | D51 |
| Sep 2026 | Radoslaw Czachor | 2,048 | DRUŻYNOWE MISTRZOSTWA POLSKI II LIGA 2026 - Mecze 1 - 11 | A45 |
| Sep 2025 | Kamil Smusz | 2,007 | chT-POL 2nd League | D43 |
| Sep 2025 | Artur Czyz | 1,935 | chT-POL 2nd League | A45 |
| Jun 2023 | Dawid Oglaza | 1,880 | 19th Lazy Baltic Pearl Open A | D03 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| POL-chT 2nd League | 2023 | 9 | 2 | 1,813 |
| 19th Lazy Baltic Pearl Open A | 2023 | 9 | 5.5 | 1,954 |
| ch-POL sf | 2023 | 9 | 4 | 1,828 |
| DRUŻYNOWE MISTRZOSTWA POLSKI II LIGA 2026 - Mecze 1 - 11 | 2026 | 6 | 2 | 1,918 |
| chT-POL 2nd League | 2025 | 5 | 4 | 2,205 |
| Warsaw Najdorf Memorial Open B | 2021 | 4 | 1.5 | 1,504 |
| Warsaw Maciei Memorial | 2022 | 1 | 0 | 2,122 |
Interactive opening tree from all 43 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Karol Maciaszek's chess games?
43 games by Karol Maciaszek, from Jan 2021 to Sep 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 Karol Maciaszek has played.
What does Karol Maciaszek play on the first move as White?
Across 21 games with White in our database, Karol Maciaszek opens with 1.d4 (90% of games), 1.e4 (10% of games). Against 1.e4 as Black, Karol Maciaszek answers 1...c5 (60% of games), 1...c6 (20% of games), 1...g6 (10% of games). Against 1.d4: 1...Nf6 (83% of games), 1...c5 (17% of games).
What openings does Karol Maciaszek play as White?
As White, Karol Maciaszek's most-played openings in our database are: Trompowsky Attack (9 games, 66.7% win rate); French: Advance Variation (2 games, 50.0% win rate); Slav Defense (2 games, 50.0% win rate). The full breakdown of 21 games with White is in the table above.
What openings does Karol Maciaszek play as Black?
As Black, Karol Maciaszek most often plays: Sicilian: Four Knights (5 games, 20.0% win rate); Benoni Defense (3 games, 0.0% win rate); Indian Defense (3 games, 0.0% win rate). See the table above for the top ten Black openings across 22 games.
What is Karol Maciaszek's FIDE rating?
Karol Maciaszek is currently rated 1,953 in classical chess, 1,898 in rapid and 1,955 in blitz. Peak classical rating: 1,953 (Sep 2026).
How many games has Karol Maciaszek played?
Our database contains 43 games by Karol Maciaszek, covering Jan 2021 to Sep 2026. Overall record: 13 wins, 12 draws, 18 losses (30.2% win rate).
How do I prepare against Karol Maciaszek?
43 games by Karol Maciaszek 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.