Prepare against Oscar Joensson
Sweden · World #14,548 classical · FIDE ID 1729977
Our database contains 57 games by Oscar Joensson, covering Jan 2016 to Aug 2026. Below you'll find Oscar Joensson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oscar Joensson 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 | 2,110 | 2,114 | Jul 2026 |
| Rapid | 2,033 | 2,033 | Aug 2026 |
| Blitz | 1,975 | 1,975 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 57 | 11 | 13 | 33 | 19.3% |
| As White | 28 | 6 | 3 | 19 | 21.4% |
| As Black | 29 | 5 | 10 | 14 | 17.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oscar Joensson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oscar Joensson's side.
First moves as White (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 28 | 100.0% | 26.8% |
Main lines as White
- 1.d4 — 100% of White games, 26.8% score
- …Nf6 (61% of these games) — Joensson usually continues c4 (29.4% score)
- …d5 (25% of these games) — Joensson usually continues c4 (8.3% score)
- …g6 (7% of these games) — Joensson usually continues c4 (100.0% score)
As Black against 1.e4 (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 18 | 100.0% | 38.9% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 57.1% | 25.0% |
| d5 | 3 | 42.9% | 16.7% |
Oscar Joensson's chess games
All 57 games by Oscar Joensson in the Chess.ceo database (Jan 2016 - 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: 11 wins, 13 draws, 33 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E00 | Catalan | 14 | 2/1/11 | 14.3% |
| A50 | Indian Defense | 4 | 1/0/3 | 25.0% |
| D78 | King's Indian Defense | 3 | 2/0/1 | 66.7% |
| A04 | English Opening | 2 | 1/0/1 | 50.0% |
| E14 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| E07 | Slav Defense | 1 | 0/0/1 | 0.0% |
| A40 | English Defense | 1 | 0/1/0 | 0.0% |
| B06 | Modern Defense | 1 | 0/1/0 | 0.0% |
| D30 | Queen's Gambit Declined | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B12 | Caro-Kann: Advance Variation | 7 | 0/2/5 | 0.0% |
| D30 | Indian Defense | 4 | 0/2/2 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 4 | 1/2/1 | 25.0% |
| B15 | Caro-Kann: Main Line | 3 | 2/1/0 | 66.7% |
| B18 | Caro-Kann: Classical | 2 | 0/1/1 | 0.0% |
| E62 | King's Indian Defense | 1 | 0/1/0 | 0.0% |
| D50 | Queen's Gambit Declined | 1 | 0/0/1 | 0.0% |
| E18 | Queen's Indian Defense | 1 | 0/0/1 | 0.0% |
| B10 | Caro-Kann | 1 | 1/0/0 | 100.0% |
| D02 | Réti Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2024 | Christian Jepson | 2,386 | Deltalift Open | A31 |
| Sep 2023 | Jesper Hamark | 2,342 | Gothenburg Kvibergspelen | E66 |
| Feb 2025 | Oliver Nilsson | 2,125 | Elite Hotels Vaxjo Open | E00 |
| Jul 2026 | Gustav Dingertz | 2,101 | Schack-SM 2026 | Mästarklassen | B15 |
| Jul 2023 | Erik Dingertz | 2,090 | ch-SWE U20 | E05 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Elite Hotels Vaxjo Open | 2026 | 10 | 4.5 | 2,015 |
| ch-SWE U20 | 2023 | 9 | 2.5 | 2,000 |
| Schack-SM 2026 | Mästarklassen | 2026 | 8 | 4.5 | 2,118 |
| Vaxjo Open | 2024 | 5 | 0.5 | 1,986 |
| Deltalift Open | 2024 | 5 | 1.5 | 2,123 |
| Paskturneringen Open | 2025 | 4 | 1 | 2,044 |
| Gothenburg Kvibergspelen | 2023 | 4 | 1 | 2,119 |
| ch-FIN U16 | 2019 | 3 | 0.5 | 1,658 |
Interactive opening tree from all 57 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oscar Joensson's chess games?
57 games by Oscar Joensson, from Jan 2016 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 Oscar Joensson has played.
What does Oscar Joensson play on the first move as White?
Across 28 games with White in our database, Oscar Joensson opens with 1.d4 (100% of games). Against 1.e4 as Black, Oscar Joensson answers 1...c6 (100% of games). Against 1.d4: 1...Nf6 (57% of games), 1...d5 (43% of games).
What openings does Oscar Joensson play as White?
As White, Oscar Joensson's most-played openings in our database are: Catalan (14 games, 14.3% win rate); Indian Defense (4 games, 25.0% win rate); King's Indian Defense (3 games, 66.7% win rate). The full breakdown of 28 games with White is in the table above.
What openings does Oscar Joensson play as Black?
As Black, Oscar Joensson most often plays: Caro-Kann: Advance Variation (7 games, 0.0% win rate); Indian Defense (4 games, 0.0% win rate); Caro-Kann: Exchange Variation (4 games, 25.0% win rate). See the table above for the top ten Black openings across 29 games.
What is Oscar Joensson's FIDE rating?
Oscar Joensson is currently rated 2,110 in classical chess, 2,033 in rapid and 1,975 in blitz. Peak classical rating: 2,114 (Jul 2026).
How many games has Oscar Joensson played?
Our database contains 57 games by Oscar Joensson, covering Jan 2016 to Aug 2026. Overall record: 11 wins, 13 draws, 33 losses (19.3% win rate).
How do I prepare against Oscar Joensson?
57 games by Oscar Joensson 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.