Prepare against Jonathan Westerberg
GM · Sweden · World #989 classical · FIDE ID 1701754
Our database contains 909 games by Jonathan Westerberg, covering Oct 2007 to Jul 2026. Below you'll find Jonathan Westerberg's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jonathan Westerberg 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 | 2,452 | 2,557 | Nov 2019 |
| Rapid | 2,426 | 2,490 | Aug 2021 |
| Blitz | 2,462 | 2,578 | Jul 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 909 | 413 | 320 | 176 | 45.4% |
| As White | 453 | 222 | 166 | 65 | 49.0% |
| As Black | 456 | 191 | 154 | 111 | 41.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jonathan Westerberg's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jonathan Westerberg's side.
First moves as White (453 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 290 | 64.0% | 70.7% |
| d4 | 98 | 21.6% | 59.2% |
| Nf3 | 31 | 6.8% | 61.3% |
| c4 | 20 | 4.4% | 60.0% |
| Nc3 | 4 | 0.9% | 50.0% |
| f4 | 4 | 0.9% | 75.0% |
Main lines as White
- 1.e4 — 64% of White games, 70.7% score
- …c5 (35% of these games) — Westerberg usually continues Nf3 (61.3% score)
- …e5 (22% of these games) — Westerberg usually continues Nf3 (75.0% score)
- …e6 (20% of these games) — Westerberg usually continues d4 (76.5% score)
- 1.d4 — 22% of White games, 59.2% score
- …Nf6 (63% of these games) — Westerberg usually continues Nf3 (56.8% score)
- …d5 (22% of these games) — Westerberg usually continues c4 (68.2% score)
- …g6 (4% of these games) — Westerberg usually continues e4 (25.0% score)
As Black against 1.e4 (168 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 104 | 61.9% | 59.1% |
| e6 | 25 | 14.9% | 52.0% |
| d5 | 12 | 7.1% | 58.3% |
| e5 | 10 | 6.0% | 30.0% |
| b6 | 8 | 4.8% | 75.0% |
| Nf6 | 4 | 2.4% | 75.0% |
As Black against 1.d4 (186 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 85 | 45.7% | 65.3% |
| Nf6 | 68 | 36.6% | 61.8% |
| e6 | 24 | 12.9% | 47.9% |
| f5 | 3 | 1.6% | 33.3% |
| c5 | 2 | 1.1% | 50.0% |
| g6 | 1 | 0.5% | 100.0% |
Jonathan Westerberg's chess games
All 909 games by Jonathan Westerberg in the Chess.ceo database (Oct 2007 - 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: 413 wins, 320 draws, 176 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 32 | 17/10/5 | 53.1% |
| B23 | Sicilian: Closed | 30 | 18/11/1 | 60.0% |
| D05 | Indian Defense | 26 | 9/8/9 | 34.6% |
| C56 | Italian Game | 22 | 9/11/2 | 40.9% |
| C10 | French Defense | 18 | 14/1/3 | 77.8% |
| A11 | Réti Opening | 16 | 8/7/1 | 50.0% |
| C47 | Four Knights Game | 15 | 13/2/0 | 86.7% |
| C13 | French: Classical Variation | 14 | 8/6/0 | 57.1% |
| C54 | Italian Game: Classical Variation | 14 | 7/4/3 | 50.0% |
| C15 | French: Winawer Variation | 14 | 8/5/1 | 57.1% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D20 | Queen's Gambit Accepted | 49 | 27/15/7 | 55.1% |
| B29 | Sicilian | 39 | 14/13/12 | 35.9% |
| B45 | Sicilian: Four Knights | 31 | 14/9/8 | 45.2% |
| D25 | Queen's Pawn Game | 25 | 10/10/5 | 40.0% |
| A96 | Horwitz Defense | 18 | 6/5/7 | 33.3% |
| D77 | Réti Opening | 18 | 4/7/7 | 22.2% |
| A25 | English Opening: Reverse Sicilian | 16 | 2/11/3 | 12.5% |
| E10 | Benoni Defense | 15 | 6/2/7 | 40.0% |
| D24 | Indian Defense | 14 | 7/7/0 | 50.0% |
| E05 | Catalan | 13 | 5/6/2 | 38.5% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2016 | Alon Greenfeld | 2,568 | Gothenburg Open | D25 |
| Aug 2021 | Evgenij Agrest | 2,568 | Malmo Torso | A30 |
| Aug 2016 | Erik Blomqvist | 2,557 | Gothenburg Manhem-A | D10 |
| Oct 2015 | Vlastimil Babula | 2,554 | 31st EU-Cup | D20 |
| Oct 2018 | Sabino Brunello | 2,552 | Olympiad-43 | A14 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-SWE | 2022 | 54 | 24.5 | 2,449 |
| Vaxjo Open | 2020 | 39 | 29 | 2,383 |
| Norrkoeping Easter Open | 2022 | 36 | 23.5 | 2,360 |
| Vasteras Open | 2017 | 32 | 23 | 2,468 |
| Stockholm Open | 2015 | 30 | 23.5 | 2,355 |
| Gothenburg Manhem-A | 2017 | 27 | 17 | 2,558 |
| Deltalift Open | 2018 | 24 | 18.5 | 2,469 |
| ch-SWE U20 | 2010 | 22 | 14.5 | 2,203 |
Frequent opponents
Head-to-head records: Erik Blomqvist (16 games) · Linus Johansson (14 games) · Tiger Hillarp Persson (14 games) · Axel Smith (13 games) · Jonny Hector (11 games)
Interactive opening tree from all 909 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jonathan Westerberg's chess games?
909 games by Jonathan Westerberg, from Oct 2007 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 Jonathan Westerberg has played.
What does Jonathan Westerberg play on the first move as White?
Across 453 games with White in our database, Jonathan Westerberg opens with 1.e4 (64% of games), 1.d4 (22% of games), 1.Nf3 (7% of games). Against 1.e4 as Black, Jonathan Westerberg answers 1...c5 (62% of games), 1...e6 (15% of games), 1...d5 (7% of games). Against 1.d4: 1...d5 (46% of games), 1...Nf6 (37% of games), 1...e6 (13% of games).
What openings does Jonathan Westerberg play as White?
As White, Jonathan Westerberg's most-played openings in our database are: Sicilian (32 games, 53.1% win rate); Sicilian: Closed (30 games, 60.0% win rate); Indian Defense (26 games, 34.6% win rate). The full breakdown of 453 games with White is in the table above.
What openings does Jonathan Westerberg play as Black?
As Black, Jonathan Westerberg most often plays: Queen's Gambit Accepted (49 games, 55.1% win rate); Sicilian (39 games, 35.9% win rate); Sicilian: Four Knights (31 games, 45.2% win rate). See the table above for the top ten Black openings across 456 games.
What is Jonathan Westerberg's FIDE rating?
Jonathan Westerberg is currently rated 2,452 in classical chess, 2,426 in rapid and 2,462 in blitz. Peak classical rating: 2,557 (Nov 2019).
How many games has Jonathan Westerberg played?
Our database contains 909 games by Jonathan Westerberg, covering Oct 2007 to Jul 2026. Overall record: 413 wins, 320 draws, 176 losses (45.4% win rate).
How do I prepare against Jonathan Westerberg?
909 games by Jonathan Westerberg 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.