Prepare against Maciej Kowalski
Poland · World #38,556 classical · FIDE ID 41879481
When preparing against Maciej Kowalski, expect 1.d4 in 50% of White games. Against 1.e4 the reply is 1...c6 (33% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 34 games by Maciej Kowalski, covering May 2023 to Aug 2026. Below you'll find Maciej Kowalski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Maciej Kowalski 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 | 1,942 | 1,955 | May 2026 |
| Rapid | 1,902 | 1,964 | Feb 2026 |
| Blitz | 1,913 | 1,934 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 34 | 13 | 5 | 16 | 38.2% |
| As White | 18 | 10 | 1 | 7 | 55.6% |
| As Black | 16 | 3 | 4 | 9 | 18.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Maciej Kowalski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Maciej Kowalski's side.
First moves as White (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 9 | 50.0% | 55.6% |
| Nf3 | 5 | 27.8% | 70.0% |
| e4 | 2 | 11.1% | 50.0% |
| a3 | 1 | 5.6% | 0.0% |
| Nc3 | 1 | 5.6% | 100.0% |
Main lines as White
- 1.d4 — 50% of White games, 55.6% score
- …Nf6 (56% of these games) — Kowalski usually continues Bg5 (75.0% score)
- …b5 (11% of these games) — Kowalski usually continues e4 (0.0% score)
- …d5 (11% of these games) — Kowalski usually continues c4 (0.0% score)
- 1.Nf3 — 28% of White games, 70.0% score
- …Nf6 (60% of these games) — Kowalski usually continues b3 (100.0% score)
- …c6 (20% of these games) — Kowalski usually continues e4 (100.0% score)
- …g6 (20% of these games) — Kowalski usually continues e4 (0.0% score)
As Black against 1.e4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 4 | 33.3% | 25.0% |
| d5 | 4 | 33.3% | 37.5% |
| c5 | 4 | 33.3% | 25.0% |
As Black against 1.d4 (2 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 2 | 100.0% | 50.0% |
Maciej Kowalski's chess games
All 34 games by Maciej Kowalski in the Chess.ceo database (May 2023 - 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: 13 wins, 5 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A45 | Trompowsky Attack | 4 | 3/0/1 | 75.0% |
| A05 | Réti Opening | 2 | 2/0/0 | 100.0% |
| A00 | Dunst Opening | 1 | 1/0/0 | 100.0% |
| C15 | French: Winawer Variation | 1 | 1/0/0 | 100.0% |
| A05 | King's Indian Attack | 1 | 0/1/0 | 0.0% |
| E71 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| A42 | Modern Defense | 1 | 0/0/1 | 0.0% |
| A00 | Anderssen's opening | 1 | 0/0/1 | 0.0% |
| B27 | Sicilian: Hyperaccelerated Dragon | 1 | 0/0/1 | 0.0% |
| B92 | Sicilian: Najdorf | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B28 | Sicilian | 4 | 0/2/2 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 3 | 0/1/2 | 0.0% |
| A46 | Indian Defense | 2 | 1/0/1 | 50.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 1/0/1 | 50.0% |
| D00 | Blackmar-Diemer Gambit | 1 | 1/0/0 | 100.0% |
| D78 | Nimzovich-Larsen attack | 1 | 0/0/1 | 0.0% |
| A06 | Réti Opening | 1 | 0/1/0 | 0.0% |
| B15 | Caro-Kann: Main Line | 1 | 0/0/1 | 0.0% |
| B10 | Caro-Kann | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Blazej Grot | 2,293 | Adolf Anderssen Mem 2026 | A45 |
| Aug 2026 | Krzysztof Jarczewski | 1,877 | Adolf Anderssen Mem 2026 | B13 |
| May 2026 | Piotr Panasiuk | 1,870 | Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 1-10 | A45 |
| Aug 2025 | Hubert Bogenryter | 1,864 | Adolf Anderssen Mem | E71 |
| May 2026 | Hubert Spytek | 1,861 | Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 1-10 | A00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Adolf Anderssen Mem | 2025 | 9 | 5 | 1,804 |
| Adolf Anderssen Mem 2026 | 2026 | 8 | 4 | 1,993 |
| Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 1-10 | 2026 | 6 | 3 | 1,905 |
| Wroclaw Anderssen Memorial Open | 2024 | 6 | 2 | 1,641 |
| Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 11-18 | 2026 | 3 | 1.5 | 1,815 |
| 25th European Youth Rapid & Blitz Chess Championship | Blitz | O18 | 2026 | 2 | 0 | 1,828 |
Interactive opening tree from all 34 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Maciej Kowalski's chess games?
34 games by Maciej Kowalski, from May 2023 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 Maciej Kowalski has played.
What does Maciej Kowalski play on the first move as White?
Across 18 games with White in our database, Maciej Kowalski opens with 1.d4 (50% of games), 1.Nf3 (28% of games), 1.e4 (11% of games). Against 1.e4 as Black, Maciej Kowalski answers 1...c6 (33% of games), 1...d5 (33% of games), 1...c5 (33% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Maciej Kowalski play as White?
As White, Maciej Kowalski's most-played openings in our database are: Trompowsky Attack (4 games, 75.0% win rate); Réti Opening (2 games, 100.0% win rate); Dunst Opening (1 games, 100.0% win rate). The full breakdown of 18 games with White is in the table above.
What openings does Maciej Kowalski play as Black?
As Black, Maciej Kowalski most often plays: Sicilian (4 games, 0.0% win rate); Scandinavian Defense: Main Line (3 games, 0.0% win rate); Indian Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 16 games.
What is Maciej Kowalski's FIDE rating?
Maciej Kowalski is currently rated 1,942 in classical chess, 1,902 in rapid and 1,913 in blitz. Peak classical rating: 1,955 (May 2026).
How many games has Maciej Kowalski played?
Our database contains 34 games by Maciej Kowalski, covering May 2023 to Aug 2026. Overall record: 13 wins, 5 draws, 16 losses (38.2% win rate).
How do I prepare against Maciej Kowalski?
34 games by Maciej Kowalski 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.