Prepare against Karol Mielcuch
Poland · World #73,422 classical · FIDE ID 21055475
When preparing against Karol Mielcuch, expect 1.c4 in 80% of White games. Against 1.e4 the reply is 1...c5 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 49 games by Karol Mielcuch, covering Sep 2019 to Aug 2026. Below you'll find Karol Mielcuch's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Karol Mielcuch 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 | 1,810 | 1,885 | Mar 2025 |
| Rapid | 1,908 | 1,908 | Aug 2026 |
| Blitz | 1,797 | 1,797 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 49 | 22 | 3 | 24 | 44.9% |
| As White | 20 | 11 | 1 | 8 | 55.0% |
| As Black | 29 | 11 | 2 | 16 | 37.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Karol Mielcuch's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Karol Mielcuch's side.
First moves as White (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 16 | 80.0% | 53.1% |
| d4 | 3 | 15.0% | 66.7% |
| e4 | 1 | 5.0% | 100.0% |
Main lines as White
- 1.c4 — 80% of White games, 53.1% score
- …e5 (38% of these games) — Mielcuch usually continues g3 (50.0% score)
- …Nf6 (19% of these games) — Mielcuch usually continues g3 (25.0% score)
- …c6 (19% of these games) — Mielcuch usually continues g3 (33.3% score)
- 1.d4 — 15% of White games, 66.7% score
- …Nf6 (33% of these games) — Mielcuch usually continues c4 (100.0% score)
- …e6 (33% of these games) — Mielcuch usually continues c4 (100.0% score)
- …d5 (33% of these games) — Mielcuch usually continues c4 (0.0% score)
As Black against 1.e4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 21 | 100.0% | 33.3% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 100.0% | 71.4% |
Karol Mielcuch's chess games
All 49 games by Karol Mielcuch in the Chess.ceo database (Sep 2019 - 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: 22 wins, 3 draws, 24 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A20 | English Opening: Reverse Sicilian | 7 | 4/0/3 | 57.1% |
| A13 | English Opening | 5 | 2/1/2 | 40.0% |
| A11 | English Opening: Slav Setup | 3 | 1/0/2 | 33.3% |
| D30 | Queen's Gambit Declined | 1 | 1/0/0 | 100.0% |
| D43 | Semi-Slav Defense | 1 | 0/0/1 | 0.0% |
| B30 | Sicilian | 1 | 1/0/0 | 100.0% |
| A36 | English Opening: Symmetrical | 1 | 1/0/0 | 100.0% |
| E61 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B33 | Sicilian | 12 | 3/1/8 | 25.0% |
| B76 | Sicilian: Dragon | 4 | 2/0/2 | 50.0% |
| B22 | Sicilian: Alapin | 2 | 0/0/2 | 0.0% |
| E11 | Bogo-Indian Defense | 2 | 2/0/0 | 100.0% |
| A00 | Orangutan opening | 1 | 0/0/1 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/1/0 | 0.0% |
| C00 | Sicilian: Grand Prix Attack | 1 | 1/0/0 | 100.0% |
| B52 | Sicilian: Moscow Variation | 1 | 0/0/1 | 0.0% |
| D04 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| A46 | Torre Attack | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2026 | Jakub Wisniarek | 1,802 | Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 11-18 | E11 |
| Jun 2022 | Piotr Grzelak | 1,684 | Krakow Open C | A13 |
| May 2026 | Maksymilian Malas | 1,676 | Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 11-18 | A20 |
| May 2026 | Bartosz Wawrzyniak | 1,633 | Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 11-18 | B46 |
| May 2026 | Adam Zyznowski | 1,621 | Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 11-18 | A36 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-EU U08 | 2019 | 9 | 4 | 1,151 |
| Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 11-18 | 2026 | 9 | 6.5 | 1,858 |
| ch-POL U10 | 2021 | 9 | 5 | 1,116 |
| Poronin Tatra Limba Open B | 2021 | 8 | 3.5 | 1,291 |
| ch-EU Union U10 | 2020 | 8 | 3.5 | 1,203 |
| Krakow Open C | 2022 | 2 | 1 | 1,624 |
| Polish Youth Rapid & Blitz Championships 2026 | Rapid | O16 | 2026 | 2 | 0 | 1,675 |
| Warsaw Najdorf Memorial Open B | 2022 | 1 | 0 | 1,294 |
Interactive opening tree from all 49 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Karol Mielcuch's chess games?
49 games by Karol Mielcuch, from Sep 2019 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 Karol Mielcuch has played.
What does Karol Mielcuch play on the first move as White?
Across 20 games with White in our database, Karol Mielcuch opens with 1.c4 (80% of games), 1.d4 (15% of games), 1.e4 (5% of games). Against 1.e4 as Black, Karol Mielcuch answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Karol Mielcuch play as White?
As White, Karol Mielcuch's most-played openings in our database are: English Opening: Reverse Sicilian (7 games, 57.1% win rate); English Opening (5 games, 40.0% win rate); English Opening: Slav Setup (3 games, 33.3% win rate). The full breakdown of 20 games with White is in the table above.
What openings does Karol Mielcuch play as Black?
As Black, Karol Mielcuch most often plays: Sicilian (12 games, 25.0% win rate); Sicilian: Dragon (4 games, 50.0% win rate); Sicilian: Alapin (2 games, 0.0% win rate). See the table above for the top ten Black openings across 29 games.
What is Karol Mielcuch's FIDE rating?
Karol Mielcuch is currently rated 1,810 in classical chess, 1,908 in rapid and 1,797 in blitz. Peak classical rating: 1,885 (Mar 2025).
How many games has Karol Mielcuch played?
Our database contains 49 games by Karol Mielcuch, covering Sep 2019 to Aug 2026. Overall record: 22 wins, 3 draws, 24 losses (44.9% win rate).
How do I prepare against Karol Mielcuch?
49 games by Karol Mielcuch 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.