Prepare against Karol Gruca
Poland · World #42,975 classical · FIDE ID 21040435
When preparing against Karol Gruca, expect 1.e4 in 90% of White games. Against 1.e4 the reply is 1...c5 (73% of games); against 1.d4, 1...Nf6 (63%).
Our database contains 46 games by Karol Gruca, covering Sep 2019 to Aug 2026. Below you'll find Karol Gruca's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Karol Gruca 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 | 1,922 | 2,049 | May 2026 |
| Rapid | 1,770 | 1,969 | May 2025 |
| Blitz | 1,872 | 1,872 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 46 | 17 | 11 | 18 | 37.0% |
| As White | 21 | 8 | 6 | 7 | 38.1% |
| As Black | 25 | 9 | 5 | 11 | 36.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Karol Gruca's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Karol Gruca's side.
First moves as White (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 19 | 90.5% | 47.4% |
| d4 | 2 | 9.5% | 100.0% |
Main lines as White
- 1.e4 — 90% of White games, 47.4% score
- …c5 (47% of these games) — Gruca usually continues g3 (30.0% score)
- …e5 (32% of these games) — Gruca usually continues Nf3 (50.0% score)
- …e6 (11% of these games) — Gruca usually continues d4 (50.0% score)
- 1.d4 — 10% of White games, 100.0% score
- …Nf6 (100% of these games) — Gruca usually continues Nc3 (100.0% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 11 | 73.3% | 18.2% |
| e5 | 3 | 20.0% | 66.7% |
| c6 | 1 | 6.7% | 100.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 62.5% | 60.0% |
| d6 | 1 | 12.5% | 100.0% |
| g6 | 1 | 12.5% | 50.0% |
| e6 | 1 | 12.5% | 50.0% |
Karol Gruca's chess games
All 46 games by Karol Gruca 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: 17 wins, 11 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 6 | 1/2/3 | 16.7% |
| C54 | Italian Game | 5 | 2/2/1 | 40.0% |
| C01 | French: Exchange Variation | 1 | 0/1/0 | 0.0% |
| C54 | Italian Game: Giuoco Pianissimo | 1 | 0/0/1 | 0.0% |
| E81 | King's Indian: Sämisch | 1 | 1/0/0 | 100.0% |
| B07 | Philidor | 1 | 0/0/1 | 0.0% |
| A45 | Queen's Pawn Game: Chigorin Variation | 1 | 1/0/0 | 100.0% |
| B36 | Sicilian: Accelerated Dragon | 1 | 1/0/0 | 100.0% |
| B76 | Sicilian: Dragon | 1 | 1/0/0 | 100.0% |
| B12 | Caro-Kann: Fantasy Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B36 | Sicilian: Accelerated Dragon | 4 | 0/0/4 | 0.0% |
| B53 | Sicilian | 2 | 0/1/1 | 0.0% |
| E12 | Queen's Indian Defense | 2 | 1/0/1 | 50.0% |
| C62 | Ruy Lopez | 2 | 2/0/0 | 100.0% |
| B90 | Sicilian: Najdorf | 2 | 1/0/1 | 50.0% |
| E73 | King's Indian Defense: Averbakh System | 2 | 1/0/1 | 50.0% |
| A05 | Réti Opening: Spassky Variation | 1 | 0/1/0 | 0.0% |
| C47 | Scotch Game | 1 | 0/0/1 | 0.0% |
| B27 | Sicilian: Hyperaccelerated Dragon | 1 | 0/0/1 | 0.0% |
| B52 | Sicilian: Moscow Variation | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2024 | Bartlomiej Niedbala | 2,389 | Katowice Silesia 100th Ann Open | A00 |
| May 2026 | Jan Butkiewicz | 2,248 | Drużynowe Mistrzostwa Polski Juniorów 2026 | I Liga | B36 |
| May 2026 | Szczepan Wilgosz | 2,033 | Drużynowe Mistrzostwa Polski Juniorów 2026 | I Liga | B20 |
| Jun 2026 | Zieba,Franciszek | 1,988 | ch-Malopolska 2026 | A45 |
| May 2026 | Kacper Staniczek | 1,987 | Drużynowe Mistrzostwa Polski Juniorów 2026 | I Liga | B19 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Wroclaw Anderssen Memorial Open B | 2023 | 9 | 4 | 1,441 |
| Krakow Winter Open B | 2022 | 9 | 5.5 | 1,353 |
| Drużynowe Mistrzostwa Polski Juniorów 2026 | I Liga | 2026 | 9 | 6.5 | 2,143 |
| ch-Malopolska 2026 | 2026 | 7 | 2 | 1,836 |
| Indywidualne Mistrzostwa Polski Juniorów 2026 - C18 | 2026 | 7 | 2.5 | 1,916 |
| Szansa Open Rapid | 2025 | 2 | 0.5 | 1,800 |
| Katowice Silesia 100th Ann Open | 2024 | 1 | 1 | 2,789 |
| Krakow Open C | 2022 | 1 | 0 | 1,282 |
Interactive opening tree from all 46 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Karol Gruca's chess games?
46 games by Karol Gruca, 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 Gruca has played.
What does Karol Gruca play on the first move as White?
Across 21 games with White in our database, Karol Gruca opens with 1.e4 (90% of games), 1.d4 (10% of games). Against 1.e4 as Black, Karol Gruca answers 1...c5 (73% of games), 1...e5 (20% of games), 1...c6 (7% of games). Against 1.d4: 1...Nf6 (63% of games), 1...d6 (13% of games), 1...g6 (13% of games).
What openings does Karol Gruca play as White?
As White, Karol Gruca's most-played openings in our database are: Sicilian (6 games, 16.7% win rate); Italian Game (5 games, 40.0% win rate); French: Exchange Variation (1 games, 0.0% win rate). The full breakdown of 21 games with White is in the table above.
What openings does Karol Gruca play as Black?
As Black, Karol Gruca most often plays: Sicilian: Accelerated Dragon (4 games, 0.0% win rate); Sicilian (2 games, 0.0% win rate); Queen's Indian Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 25 games.
What is Karol Gruca's FIDE rating?
Karol Gruca is currently rated 1,922 in classical chess, 1,770 in rapid and 1,872 in blitz. Peak classical rating: 2,049 (May 2026).
How many games has Karol Gruca played?
Our database contains 46 games by Karol Gruca, covering Sep 2019 to Aug 2026. Overall record: 17 wins, 11 draws, 18 losses (37.0% win rate).
How do I prepare against Karol Gruca?
46 games by Karol Gruca 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.