Prepare against Kamil Maciejewski
Poland · World #33,653 classical · FIDE ID 21805768
Our database contains 145 games by Kamil Maciejewski, covering Sep 2013 to Jul 2026. Below you'll find Kamil Maciejewski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Kamil Maciejewski 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 | 1,966 | 2,065 | Aug 2019 |
| Rapid | 1,935 | 1,935 | Jul 2026 |
| Blitz | 1,911 | 1,920 | Dec 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 145 | 54 | 28 | 63 | 37.2% |
| As White | 70 | 31 | 11 | 28 | 44.3% |
| As Black | 75 | 23 | 17 | 35 | 30.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Kamil Maciejewski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Kamil Maciejewski's side.
First moves as White (70 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 46 | 65.7% | 59.8% |
| e4 | 18 | 25.7% | 27.8% |
| b3 | 3 | 4.3% | 33.3% |
| g3 | 2 | 2.9% | 100.0% |
| c4 | 1 | 1.4% | 100.0% |
Main lines as White
- 1.Nf3 — 66% of White games, 59.8% score
- …Nf6 (39% of these games) — Maciejewski usually continues g3 (76.9% score)
- …d5 (30% of these games) — Maciejewski usually continues g3 (73.1% score)
- …c5 (17% of these games) — Maciejewski usually continues g3 (10.0% score)
- 1.e4 — 26% of White games, 27.8% score
- …c5 (50% of these games) — Maciejewski usually continues Nf3 (22.2% score)
- …e6 (17% of these games) — Maciejewski usually continues d4 (16.7% score)
- …e5 (17% of these games) — Maciejewski usually continues Nf3 (33.3% score)
As Black against 1.e4 (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 19 | 52.8% | 52.6% |
| e5 | 14 | 38.9% | 39.3% |
| c5 | 3 | 8.3% | 66.7% |
As Black against 1.d4 (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 17 | 89.5% | 35.3% |
| d6 | 1 | 5.3% | 0.0% |
| d5 | 1 | 5.3% | 0.0% |
Kamil Maciejewski's chess games
All 145 games by Kamil Maciejewski in the Chess.ceo database (Sep 2013 - 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: 54 wins, 28 draws, 63 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Réti Opening | 16 | 10/3/3 | 62.5% |
| A37 | English Opening: Symmetrical | 7 | 1/1/5 | 14.3% |
| A05 | Réti Opening: Symmetrical Defense | 6 | 5/0/1 | 83.3% |
| A30 | English Opening | 5 | 3/1/1 | 60.0% |
| B42 | Sicilian | 5 | 1/0/4 | 20.0% |
| A04 | Dutch Defense | 4 | 2/0/2 | 50.0% |
| A01 | Nimzovich-Larsen attack | 3 | 0/2/1 | 0.0% |
| C18 | French: Winawer Variation | 2 | 0/1/1 | 0.0% |
| B05 | Alekhine Defense | 2 | 0/1/1 | 0.0% |
| C44 | Italian Game: Classical Variation | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C95 | Ruy Lopez: Closed | 6 | 2/1/3 | 33.3% |
| C06 | French: Tarrasch Variation | 6 | 2/1/3 | 33.3% |
| C01 | French: Exchange Variation | 5 | 3/0/2 | 60.0% |
| E41 | Nimzo-Indian: Rubinstein System | 4 | 0/1/3 | 0.0% |
| D02 | Queen's Pawn Game | 4 | 1/1/2 | 25.0% |
| C11 | French: Classical Variation | 4 | 2/1/1 | 50.0% |
| A30 | English Opening: Symmetrical | 3 | 1/0/2 | 33.3% |
| A25 | English Opening: Reverse Sicilian | 3 | 2/0/1 | 66.7% |
| C55 | Italian Game | 3 | 0/1/2 | 0.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 3 | 0/2/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2024 | Jiri Stocek | 2,520 | 2nd Bratislava exe Open | A11 |
| Sep 2025 | Juraj Oruzinsky | 2,318 | Slovakia Open | C41 |
| Sep 2024 | Nikolai A. Grebennikov | 2,220 | 2nd Bratislava exe Open | A37 |
| Sep 2024 | Alfred Nemitz | 2,201 | 2nd Bratislava exe Open | D02 |
| Jul 2019 | Boris Smirnov | 2,198 | 30th Pardubice Czech Open B | C94 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-POL U20 | 2022 | 18 | 8 | 1,909 |
| ch-POL U18 | 2021 | 17 | 7.5 | 1,985 |
| 2nd Bratislava exe Open | 2024 | 9 | 5 | 2,260 |
| POL Olympiad U14 | 2017 | 9 | 4 | 1,617 |
| Krakow Open B | 2022 | 9 | 5.5 | 1,962 |
| Slovakia Open | 2025 | 9 | 6 | 2,107 |
| ch-POL U12 | 2015 | 9 | 2.5 | 1,226 |
| Poronin Tatra Limba Open | 2021 | 8 | 2.5 | 1,814 |
Interactive opening tree from all 145 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Kamil Maciejewski's chess games?
145 games by Kamil Maciejewski, from Sep 2013 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 Kamil Maciejewski has played.
What does Kamil Maciejewski play on the first move as White?
Across 70 games with White in our database, Kamil Maciejewski opens with 1.Nf3 (66% of games), 1.e4 (26% of games), 1.b3 (4% of games). Against 1.e4 as Black, Kamil Maciejewski answers 1...e6 (53% of games), 1...e5 (39% of games), 1...c5 (8% of games). Against 1.d4: 1...Nf6 (89% of games), 1...d6 (5% of games), 1...d5 (5% of games).
What openings does Kamil Maciejewski play as White?
As White, Kamil Maciejewski's most-played openings in our database are: Réti Opening (16 games, 62.5% win rate); English Opening: Symmetrical (7 games, 14.3% win rate); Réti Opening: Symmetrical Defense (6 games, 83.3% win rate). The full breakdown of 70 games with White is in the table above.
What openings does Kamil Maciejewski play as Black?
As Black, Kamil Maciejewski most often plays: Ruy Lopez: Closed (6 games, 33.3% win rate); French: Tarrasch Variation (6 games, 33.3% win rate); French: Exchange Variation (5 games, 60.0% win rate). See the table above for the top ten Black openings across 75 games.
What is Kamil Maciejewski's FIDE rating?
Kamil Maciejewski is currently rated 1,966 in classical chess, 1,935 in rapid and 1,911 in blitz. Peak classical rating: 2,065 (Aug 2019).
How many games has Kamil Maciejewski played?
Our database contains 145 games by Kamil Maciejewski, covering Sep 2013 to Jul 2026. Overall record: 54 wins, 28 draws, 63 losses (37.2% win rate).
How do I prepare against Kamil Maciejewski?
145 games by Kamil Maciejewski 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.