Prepare against Kacper Widelski
Poland · World #56,995 classical · FIDE ID 1159950
Our database contains 203 games by Kacper Widelski, covering Sep 2011 to Aug 2026. Below you'll find Kacper Widelski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Kacper Widelski 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 | 1,866 | 1,935 | Jan 2016 |
| Rapid | 2,038 | 2,038 | Aug 2026 |
| Blitz | 1,970 | 1,970 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 203 | 81 | 52 | 70 | 39.9% |
| As White | 100 | 46 | 24 | 30 | 46.0% |
| As Black | 103 | 35 | 28 | 40 | 34.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Kacper Widelski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Kacper Widelski's side.
First moves as White (100 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 61 | 61.0% | 61.5% |
| d4 | 21 | 21.0% | 50.0% |
| Nf3 | 11 | 11.0% | 63.6% |
| c4 | 6 | 6.0% | 33.3% |
| f4 | 1 | 1.0% | 100.0% |
Main lines as White
- 1.e4 — 61% of White games, 61.5% score
- …c5 (51% of these games) — Widelski usually continues Nf3 (66.1% score)
- …e5 (26% of these games) — Widelski usually continues Nf3 (65.6% score)
- …e6 (11% of these games) — Widelski usually continues d4 (42.9% score)
- 1.d4 — 21% of White games, 50.0% score
- …d5 (43% of these games) — Widelski usually continues Nf3 (75.0% score)
- …Nf6 (38% of these games) — Widelski usually continues Nf3 (35.7% score)
- …f5 (14% of these games) — Widelski usually continues g3 (100.0% score)
As Black against 1.e4 (63 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 56 | 88.9% | 56.3% |
| d6 | 3 | 4.8% | 66.7% |
| e5 | 2 | 3.2% | 25.0% |
| e6 | 1 | 1.6% | 0.0% |
| b6 | 1 | 1.6% | 50.0% |
As Black against 1.d4 (29 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 27 | 93.1% | 29.6% |
| d5 | 1 | 3.4% | 100.0% |
| c5 | 1 | 3.4% | 50.0% |
Kacper Widelski's chess games
All 203 games by Kacper Widelski in the Chess.ceo database (Sep 2011 - 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: 81 wins, 52 draws, 70 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B43 | Sicilian | 14 | 8/4/2 | 57.1% |
| A47 | Indian Defense | 7 | 1/5/1 | 14.3% |
| B90 | Sicilian: Najdorf | 7 | 5/1/1 | 71.4% |
| C65 | Ruy Lopez: Classical | 5 | 4/0/1 | 80.0% |
| A84 | Slav Defense | 5 | 1/1/3 | 20.0% |
| C13 | French: Classical Variation | 4 | 0/1/3 | 0.0% |
| C89 | Ruy Lopez: Closed | 4 | 2/0/2 | 50.0% |
| A81 | Dutch Defense | 3 | 3/0/0 | 100.0% |
| B47 | Sicilian: Taimanov | 3 | 0/2/1 | 0.0% |
| A22 | English Opening: Reverse Sicilian | 3 | 2/0/1 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B33 | Sicilian: Sveshnikov | 14 | 8/2/4 | 57.1% |
| B90 | Sicilian: Najdorf | 10 | 5/2/3 | 50.0% |
| B34 | Sicilian: Accelerated Dragon | 10 | 4/3/3 | 40.0% |
| B50 | Sicilian | 7 | 5/1/1 | 71.4% |
| B25 | Sicilian: Closed | 4 | 1/2/1 | 25.0% |
| A46 | Indian Defense | 4 | 0/1/3 | 0.0% |
| B22 | Sicilian: Alapin | 3 | 0/2/1 | 0.0% |
| B07 | Pirc Defense | 3 | 2/0/1 | 66.7% |
| E00 | Catalan | 3 | 0/1/2 | 0.0% |
| A30 | Indian Defense: Tartakower Attack | 3 | 2/0/1 | 66.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2015 | Jakub Kosakowski | 2,191 | ch-Bialystok | B33 |
| May 2013 | Aleksander Smirnov | 2,166 | Bialystok Spring Open | B28 |
| Aug 2017 | Robert Ostrowski | 2,050 | 1st Suwalki Warakomska Memorial B | B94 |
| Apr 2026 | Michal Sycz | 2,044 | Columbus Mistrzostwa Polski Amatorów 2026 | U2200 | B00 |
| Aug 2017 | Robert Krasiewicz | 2,031 | 1st Suwalki Warakomska Memorial B | A85 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Bialystok Zamenhof Memorial | 2013 | 18 | 9 | 1,791 |
| ch-Bialystok | 2015 | 16 | 8 | 1,823 |
| Bialystok Spring Qualifier | 2014 | 9 | 5 | 1,926 |
| 2nd Sokolka Kresowy Open A | 2011 | 9 | 4.5 | 1,962 |
| Bialystok Bieluczyk Memorial B | 2011 | 9 | 4.5 | 1,663 |
| 4th Sokolka Open | 2013 | 9 | 4.5 | 1,898 |
| ch-POL U14 | 2011 | 9 | 5.5 | 1,582 |
| 7th Bialystok Bieluczyk Memorial | 2015 | 9 | 6.5 | 1,998 |
Interactive opening tree from all 203 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Kacper Widelski's chess games?
203 games by Kacper Widelski, from Sep 2011 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 Kacper Widelski has played.
What does Kacper Widelski play on the first move as White?
Across 100 games with White in our database, Kacper Widelski opens with 1.e4 (61% of games), 1.d4 (21% of games), 1.Nf3 (11% of games). Against 1.e4 as Black, Kacper Widelski answers 1...c5 (89% of games), 1...d6 (5% of games), 1...e5 (3% of games). Against 1.d4: 1...Nf6 (93% of games), 1...d5 (3% of games), 1...c5 (3% of games).
What openings does Kacper Widelski play as White?
As White, Kacper Widelski's most-played openings in our database are: Sicilian (14 games, 57.1% win rate); Indian Defense (7 games, 14.3% win rate); Sicilian: Najdorf (7 games, 71.4% win rate). The full breakdown of 100 games with White is in the table above.
What openings does Kacper Widelski play as Black?
As Black, Kacper Widelski most often plays: Sicilian: Sveshnikov (14 games, 57.1% win rate); Sicilian: Najdorf (10 games, 50.0% win rate); Sicilian: Accelerated Dragon (10 games, 40.0% win rate). See the table above for the top ten Black openings across 103 games.
What is Kacper Widelski's FIDE rating?
Kacper Widelski is currently rated 1,866 in classical chess, 2,038 in rapid and 1,970 in blitz. Peak classical rating: 1,935 (Jan 2016).
How many games has Kacper Widelski played?
Our database contains 203 games by Kacper Widelski, covering Sep 2011 to Aug 2026. Overall record: 81 wins, 52 draws, 70 losses (39.9% win rate).
How do I prepare against Kacper Widelski?
203 games by Kacper Widelski 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.