Prepare against Bartosz Sleczka
Poland · World #43,155 classical · FIDE ID 1180428
When preparing against Bartosz Sleczka, expect 1.e4 in 85% of White games. Against 1.e4 the reply is 1...e5 (72% of games); against 1.d4, 1...Nf6 (62%). Lowest win rate among frequent openings: Sicilian as White, 30.0% over 20 games.
Our database contains 144 games by Bartosz Sleczka, covering Apr 2007 to Sep 2026. Below you'll find Bartosz Sleczka's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bartosz Sleczka 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 | 1,921 | 1,967 | Sep 2024 |
| Rapid | 1,840 | 1,924 | Aug 2014 |
| Blitz | 1,839 | 1,964 | Jul 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 144 | 37 | 48 | 59 | 25.7% |
| As White | 72 | 20 | 23 | 29 | 27.8% |
| As Black | 72 | 17 | 25 | 30 | 23.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bartosz Sleczka's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bartosz Sleczka's side.
First moves as White (72 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 61 | 84.7% | 43.4% |
| d4 | 9 | 12.5% | 38.9% |
| Nc3 | 1 | 1.4% | 100.0% |
| Nf3 | 1 | 1.4% | 50.0% |
Main lines as White
- 1.e4 — 85% of White games, 43.4% score
- …c5 (54% of these games) — Sleczka usually continues Nf3 (48.4% score)
- …e6 (15% of these games) — Sleczka usually continues d4 (27.8% score)
- …e5 (8% of these games) — Sleczka usually continues Nf3 (60.0% score)
- 1.d4 — 13% of White games, 38.9% score
- …Nf6 (89% of these games) — Sleczka usually continues Nc3 (43.8% score)
- …g6 (11% of these games) — Sleczka usually continues Nc3 (0.0% score)
As Black against 1.e4 (39 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 28 | 71.8% | 57.1% |
| d6 | 4 | 10.3% | 50.0% |
| Nf6 | 3 | 7.7% | 0.0% |
| c5 | 3 | 7.7% | 16.7% |
| g6 | 1 | 2.6% | 0.0% |
As Black against 1.d4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 13 | 61.9% | 42.3% |
| d5 | 7 | 33.3% | 21.4% |
| e6 | 1 | 4.8% | 0.0% |
Bartosz Sleczka's chess games
All 144 games by Bartosz Sleczka in the Chess.ceo database (Apr 2007 - Sep 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: 37 wins, 48 draws, 59 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian | 20 | 6/8/6 | 30.0% |
| D01 | Richter-Veresov Attack | 9 | 4/1/4 | 44.4% |
| B84 | Sicilian: Najdorf | 6 | 1/2/3 | 16.7% |
| A40 | Modern Defense | 4 | 0/2/2 | 0.0% |
| B19 | Caro-Kann: Classical | 4 | 1/0/3 | 25.0% |
| C01 | French: Exchange Variation | 3 | 0/2/1 | 0.0% |
| C16 | French: Winawer Variation | 2 | 0/1/1 | 0.0% |
| C14 | French: Classical Variation | 2 | 0/0/2 | 0.0% |
| C55 | Italian Game | 2 | 0/1/1 | 0.0% |
| C02 | French: Advance Variation | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D35 | Indian Defense | 8 | 1/1/6 | 12.5% |
| C54 | Italian Game: Classical Variation | 5 | 2/2/1 | 40.0% |
| C50 | Italian Game | 5 | 4/1/0 | 80.0% |
| A17 | English Opening | 5 | 1/2/2 | 20.0% |
| C98 | Ruy Lopez: Closed | 5 | 0/3/2 | 0.0% |
| B07 | Pirc Defense | 4 | 1/2/1 | 25.0% |
| D36 | Queen's Gambit Declined | 3 | 0/1/2 | 0.0% |
| C68 | Ruy Lopez: Exchange | 3 | 0/2/1 | 0.0% |
| C34 | King's Gambit | 3 | 3/0/0 | 100.0% |
| C45 | Scotch Game | 3 | 0/1/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2025 | Niels Borne | 2,071 | Reykjavik Open | D01 |
| Feb 2026 | Beata Biro | 2,068 | 2nd Erno Dede Mem | C11 |
| Feb 2026 | Marcell Balazs | 2,057 | 2nd Erno Dede Mem | C02 |
| Sep 2016 | Winicjusz Fengier | 2,054 | POL-chT 2nd League | E63 |
| Jul 2012 | Konrad Bus | 2,048 | 20th Dobczyce Open | B19 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-POL U19 1st League | 2012 | 17 | 4 | 1,786 |
| POL-chT 2nd League | 2024 | 14 | 4 | 1,846 |
| POL-chT U19 2nd League | 2007 | 10 | 4.5 | 1,784 |
| Reykjavik Open | 2025 | 9 | 4 | 2,075 |
| ch-World School U17 7th | 2011 | 9 | 4.5 | 1,827 |
| chA-Krakow Malopolski | 2014 | 8 | 2.5 | 1,843 |
| 22nd Dobczyce Open | 2014 | 8 | 4.5 | 2,055 |
| 23rd Krakow Open B | 2013 | 8 | 4 | 2,004 |
Interactive opening tree from all 144 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bartosz Sleczka's chess games?
144 games by Bartosz Sleczka, from Apr 2007 to Sep 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 Bartosz Sleczka has played.
What does Bartosz Sleczka play on the first move as White?
Across 72 games with White in our database, Bartosz Sleczka opens with 1.e4 (85% of games), 1.d4 (13% of games), 1.Nc3 (1% of games). Against 1.e4 as Black, Bartosz Sleczka answers 1...e5 (72% of games), 1...d6 (10% of games), 1...Nf6 (8% of games). Against 1.d4: 1...Nf6 (62% of games), 1...d5 (33% of games), 1...e6 (5% of games).
What openings does Bartosz Sleczka play as White?
As White, Bartosz Sleczka's most-played openings in our database are: Sicilian (20 games, 30.0% win rate); Richter-Veresov Attack (9 games, 44.4% win rate); Sicilian: Najdorf (6 games, 16.7% win rate). The full breakdown of 72 games with White is in the table above.
What openings does Bartosz Sleczka play as Black?
As Black, Bartosz Sleczka most often plays: Indian Defense (8 games, 12.5% win rate); Italian Game: Classical Variation (5 games, 40.0% win rate); Italian Game (5 games, 80.0% win rate). See the table above for the top ten Black openings across 72 games.
What is Bartosz Sleczka's FIDE rating?
Bartosz Sleczka is currently rated 1,921 in classical chess, 1,840 in rapid and 1,839 in blitz. Peak classical rating: 1,967 (Sep 2024).
How many games has Bartosz Sleczka played?
Our database contains 144 games by Bartosz Sleczka, covering Apr 2007 to Sep 2026. Overall record: 37 wins, 48 draws, 59 losses (25.7% win rate).
How do I prepare against Bartosz Sleczka?
144 games by Bartosz Sleczka 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.