Prepare against Sebastian Wasielewski
Poland · World #118,318 classical · FIDE ID 1166549
When preparing against Sebastian Wasielewski, expect 1.d4 in 94% of White games. Against 1.e4 the reply is 1...e5 (54% of games); against 1.d4, 1...d5 (75%).
Our database contains 36 games by Sebastian Wasielewski, covering Sep 2009 to Jul 2026. Below you'll find Sebastian Wasielewski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sebastian Wasielewski 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 | 1,678 | 1,759 | Mar 2024 |
| Rapid | 1,638 | 1,746 | May 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 36 | 9 | 10 | 17 | 25.0% |
| As White | 17 | 5 | 3 | 9 | 29.4% |
| As Black | 19 | 4 | 7 | 8 | 21.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sebastian Wasielewski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sebastian Wasielewski's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 16 | 94.1% | 40.6% |
| Nf3 | 1 | 5.9% | 0.0% |
Main lines as White
- 1.d4 — 94% of White games, 40.6% score
- …Nf6 (50% of these games) — Wasielewski usually continues c4 (30.0% score)
- …d5 (31% of these games) — Wasielewski usually continues c4 (50.0% score)
- …f5 (6% of these games) — Wasielewski usually continues Nf3 (100.0% score)
- 1.Nf3 — 6% of White games, 0.0% score
- …d5 (100% of these games) — Wasielewski usually continues d4 (0.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 7 | 53.8% | 42.9% |
| d5 | 6 | 46.2% | 41.7% |
As Black against 1.d4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 3 | 75.0% | 50.0% |
| Nf6 | 1 | 25.0% | 0.0% |
Sebastian Wasielewski's chess games
All 36 games by Sebastian Wasielewski in the Chess.ceo database (Sep 2009 - Jul 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: 9 wins, 10 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E70 | King's Indian Defense | 3 | 1/1/1 | 33.3% |
| D31 | Queen's Gambit Declined | 3 | 1/0/2 | 33.3% |
| A32 | Indian Defense | 3 | 1/1/1 | 33.3% |
| D02 | Queen's Pawn Game | 2 | 0/1/1 | 0.0% |
| D24 | Queen's Gambit Accepted | 1 | 0/0/1 | 0.0% |
| D08 | Albin Countergambit | 1 | 1/0/0 | 100.0% |
| A48 | Torre Attack | 1 | 0/0/1 | 0.0% |
| A80 | Dutch Defense | 1 | 1/0/0 | 100.0% |
| D80 | Grünfeld Defense | 1 | 0/0/1 | 0.0% |
| E94 | King's Indian Defense: Petrosian Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 6 | 1/3/2 | 16.7% |
| C45 | Scotch Game | 2 | 0/1/1 | 0.0% |
| D35 | Indian Defense | 2 | 0/0/2 | 0.0% |
| C54 | Italian Game: Classical Variation | 2 | 0/1/1 | 0.0% |
| D20 | Queen's Gambit Accepted | 2 | 1/0/1 | 50.0% |
| A25 | English Opening | 1 | 0/1/0 | 0.0% |
| C44 | Center Game | 1 | 0/0/1 | 0.0% |
| C42 | Four Knights Game | 1 | 1/0/0 | 100.0% |
| D40 | Queen's Pawn Game | 1 | 0/1/0 | 0.0% |
| C50 | Italian Game | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2010 | Kacper Sztangierski | 1,973 | 12th Gdansk Open | D08 |
| Aug 2010 | Robert Ronke | 1,933 | 46th Polanica Zdroj Open B | D20 |
| Jul 2013 | Maciej Stelmaszuk | 1,537 | 8th Wroclaw Open B | A46 |
| Jul 2013 | Grzegorz Joniak | 1,320 | 8th Wroclaw Open B | A80 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 8th Wroclaw Open B | 2013 | 9 | 4 | 1,555 |
| 46th Polanica Zdroj Open B | 2010 | 9 | 3 | 1,642 |
| 12th Gdansk Open | 2010 | 9 | 4.5 | 2,094 |
| Wroclaw October Open | 2010 | 5 | 2.5 | 1,806 |
| chT3-POL Dolnoslaskie 1415 | 2015 | 4 | 0 | 1,545 |
Interactive opening tree from all 36 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sebastian Wasielewski's chess games?
36 games by Sebastian Wasielewski, from Sep 2009 to Jul 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 Sebastian Wasielewski has played.
What does Sebastian Wasielewski play on the first move as White?
Across 17 games with White in our database, Sebastian Wasielewski opens with 1.d4 (94% of games), 1.Nf3 (6% of games). Against 1.e4 as Black, Sebastian Wasielewski answers 1...e5 (54% of games), 1...d5 (46% of games). Against 1.d4: 1...d5 (75% of games), 1...Nf6 (25% of games).
What openings does Sebastian Wasielewski play as White?
As White, Sebastian Wasielewski's most-played openings in our database are: King's Indian Defense (3 games, 33.3% win rate); Queen's Gambit Declined (3 games, 33.3% win rate); Indian Defense (3 games, 33.3% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Sebastian Wasielewski play as Black?
As Black, Sebastian Wasielewski most often plays: Scandinavian Defense: Main Line (6 games, 16.7% win rate); Scotch Game (2 games, 0.0% win rate); Indian Defense (2 games, 0.0% win rate). See the table above for the top ten Black openings across 19 games.
What is Sebastian Wasielewski's FIDE rating?
Sebastian Wasielewski is currently rated 1,678 in classical chess, 1,638 in rapid. Peak classical rating: 1,759 (Mar 2024).
How many games has Sebastian Wasielewski played?
Our database contains 36 games by Sebastian Wasielewski, covering Sep 2009 to Jul 2026. Overall record: 9 wins, 10 draws, 17 losses (25.0% win rate).
How do I prepare against Sebastian Wasielewski?
36 games by Sebastian Wasielewski 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.