Prepare against Adam Sieczkowski
Poland · World #15,750 classical · FIDE ID 21835250
Our database contains 243 games by Adam Sieczkowski, covering Aug 2014 to Aug 2026. Below you'll find Adam Sieczkowski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Adam Sieczkowski 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 | 2,098 | 2,098 | Aug 2026 |
| Rapid | 1,911 | 1,911 | Aug 2026 |
| Blitz | 1,965 | 1,991 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 243 | 114 | 32 | 97 | 46.9% |
| As White | 129 | 68 | 16 | 45 | 52.7% |
| As Black | 114 | 46 | 16 | 52 | 40.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Adam Sieczkowski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Adam Sieczkowski's side.
First moves as White (129 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 84 | 65.1% | 60.1% |
| d4 | 24 | 18.6% | 56.3% |
| e4 | 15 | 11.6% | 56.7% |
| c4 | 6 | 4.7% | 58.3% |
Main lines as White
- 1.Nf3 — 65% of White games, 60.1% score
- …d5 (39% of these games) — Sieczkowski usually continues g3 (54.5% score)
- …Nf6 (35% of these games) — Sieczkowski usually continues g3 (73.5% score)
- …c5 (10% of these games) — Sieczkowski usually continues g3 (58.3% score)
- 1.d4 — 19% of White games, 56.3% score
- …Nf6 (58% of these games) — Sieczkowski usually continues c4 (55.0% score)
- …d5 (38% of these games) — Sieczkowski usually continues c4 (64.3% score)
- …e6 (4% of these games) — Sieczkowski usually continues c4 (100.0% score)
As Black against 1.e4 (51 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 35 | 68.6% | 51.4% |
| c6 | 10 | 19.6% | 45.0% |
| e5 | 3 | 5.9% | 66.7% |
| e6 | 2 | 3.9% | 50.0% |
| Nf6 | 1 | 2.0% | 0.0% |
As Black against 1.d4 (41 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 39 | 95.1% | 50.0% |
| d5 | 2 | 4.9% | 50.0% |
Adam Sieczkowski's chess games
All 243 games by Adam Sieczkowski in the Chess.ceo database (Aug 2014 - 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: 114 wins, 32 draws, 97 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Réti Opening | 36 | 14/6/16 | 38.9% |
| A38 | English Opening | 16 | 11/2/3 | 68.8% |
| D79 | Indian Defense | 10 | 4/2/4 | 40.0% |
| D78 | Réti Opening: Symmetrical Defense | 8 | 5/1/2 | 62.5% |
| E05 | Catalan | 7 | 6/0/1 | 85.7% |
| B06 | Modern Defense | 5 | 2/0/3 | 40.0% |
| D02 | Queen's Pawn Game | 4 | 3/0/1 | 75.0% |
| A37 | English Opening: Symmetrical | 3 | 3/0/0 | 100.0% |
| D74 | Grünfeld Defense | 3 | 0/0/3 | 0.0% |
| E41 | Nimzo-Indian: Rubinstein System | 3 | 2/0/1 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D85 | Grünfeld Defense | 13 | 9/0/4 | 69.2% |
| B50 | Sicilian | 11 | 3/3/5 | 27.3% |
| D02 | London System | 7 | 3/1/3 | 42.9% |
| B38 | Sicilian: Hyperaccelerated Dragon | 6 | 4/0/2 | 66.7% |
| B19 | Caro-Kann: Classical | 5 | 1/2/2 | 20.0% |
| B25 | Sicilian: Closed | 5 | 3/0/2 | 60.0% |
| B90 | Sicilian: Najdorf | 4 | 2/1/1 | 50.0% |
| B22 | Sicilian: Alapin | 4 | 3/0/1 | 75.0% |
| A36 | English Opening | 4 | 3/0/1 | 75.0% |
| A03 | Bird's opening | 3 | 1/0/2 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2026 | Kenneth Hobson | 2,264 | Kidlington Chess Congress 2026: Open | E11 |
| Oct 2025 | Billy Fellowes | 2,184 | Coventry Int. Open | B00 |
| Aug 2025 | Junhao Xian | 2,159 | 111th ch-GBR Major Open | D85 |
| Jun 2026 | Pancewicz,Szymon | 2,126 | Najdorf Mem Open A 2026 | D02 |
| Jun 2026 | Debmisra,Ariv | 2,094 | Najdorf Mem Open A 2026 | B50 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT1-BCF U18 1920 (4NCL) online | 2020 | 16 | 8 | 1,857 |
| 199th Warsaw YMCA Spring-B | 2018 | 13 | 6.5 | 1,659 |
| 170th Warsaw YMCA Spring-D | 2016 | 12 | 9.5 | 1,684 |
| 177th Warsaw YMCA Autumn D | 2016 | 12 | 7.5 | 1,515 |
| 165th Warsaw YMCA Winter C | 2016 | 12 | 3 | 1,457 |
| 210th Warsaw YMCA Winter-B | 2019 | 11 | 5.5 | 1,652 |
| 184th Warsaw YMCA Spring-B | 2017 | 11 | 3.5 | 1,518 |
| 181st Warsaw YMCA Winter-C | 2017 | 10 | 5.5 | 1,510 |
Interactive opening tree from all 243 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Adam Sieczkowski's chess games?
243 games by Adam Sieczkowski, from Aug 2014 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 Adam Sieczkowski has played.
What does Adam Sieczkowski play on the first move as White?
Across 129 games with White in our database, Adam Sieczkowski opens with 1.Nf3 (65% of games), 1.d4 (19% of games), 1.e4 (12% of games). Against 1.e4 as Black, Adam Sieczkowski answers 1...c5 (69% of games), 1...c6 (20% of games), 1...e5 (6% of games). Against 1.d4: 1...Nf6 (95% of games), 1...d5 (5% of games).
What openings does Adam Sieczkowski play as White?
As White, Adam Sieczkowski's most-played openings in our database are: Réti Opening (36 games, 38.9% win rate); English Opening (16 games, 68.8% win rate); Indian Defense (10 games, 40.0% win rate). The full breakdown of 129 games with White is in the table above.
What openings does Adam Sieczkowski play as Black?
As Black, Adam Sieczkowski most often plays: Grünfeld Defense (13 games, 69.2% win rate); Sicilian (11 games, 27.3% win rate); London System (7 games, 42.9% win rate). See the table above for the top ten Black openings across 114 games.
What is Adam Sieczkowski's FIDE rating?
Adam Sieczkowski is currently rated 2,098 in classical chess, 1,911 in rapid and 1,965 in blitz. Peak classical rating: 2,098 (Aug 2026).
How many games has Adam Sieczkowski played?
Our database contains 243 games by Adam Sieczkowski, covering Aug 2014 to Aug 2026. Overall record: 114 wins, 32 draws, 97 losses (46.9% win rate).
How do I prepare against Adam Sieczkowski?
243 games by Adam Sieczkowski 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.