Prepare against Bjorn Jonsson
Iceland · World #30,600 classical · FIDE ID 2305259
Our database contains 38 games by Bjorn Jonsson, covering Apr 2008 to Jul 2026. Below you'll find Bjorn Jonsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bjorn Jonsson 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 | 1,982 | 2,045 | Sep 2011 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 38 | 6 | 19 | 13 | 15.8% |
| As White | 19 | 5 | 9 | 5 | 26.3% |
| As Black | 19 | 1 | 10 | 8 | 5.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bjorn Jonsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bjorn Jonsson's side.
First moves as White (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 13 | 68.4% | 46.2% |
| d4 | 6 | 31.6% | 58.3% |
Main lines as White
- 1.e4 — 68% of White games, 46.2% score
- …c5 (62% of these games) — Jonsson usually continues Nf3 (43.8% score)
- …e5 (15% of these games) — Jonsson usually continues Nf3 (75.0% score)
- …e6 (15% of these games) — Jonsson usually continues d4 (50.0% score)
- 1.d4 — 32% of White games, 58.3% score
- …Nf6 (83% of these games) — Jonsson usually continues c4 (50.0% score)
- …c6 (17% of these games) — Jonsson usually continues c4 (100.0% score)
As Black against 1.e4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 7 | 70.0% | 28.6% |
| e5 | 3 | 30.0% | 66.7% |
As Black against 1.d4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 2 | 50.0% | 25.0% |
| d5 | 2 | 50.0% | 0.0% |
Bjorn Jonsson's chess games
All 38 games by Bjorn Jonsson in the Chess.ceo database (Apr 2008 - 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: 6 wins, 19 draws, 13 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B85 | Sicilian: Najdorf | 3 | 1/0/2 | 33.3% |
| B47 | Sicilian: Four Knights | 2 | 0/2/0 | 0.0% |
| E61 | King's Indian Defense | 2 | 1/1/0 | 50.0% |
| B33 | Sicilian | 2 | 0/2/0 | 0.0% |
| C59 | Italian Game: Two Knights Defense | 1 | 1/0/0 | 100.0% |
| E48 | Nimzo-Indian: Rubinstein System | 1 | 0/0/1 | 0.0% |
| A41 | Rat Defense | 1 | 0/0/1 | 0.0% |
| C68 | Ruy Lopez: Exchange | 1 | 0/1/0 | 0.0% |
| B35 | Sicilian: Hyperaccelerated Dragon | 1 | 0/1/0 | 0.0% |
| D40 | Benoni Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B96 | Sicilian: Najdorf | 4 | 0/2/2 | 0.0% |
| D46 | Slav Defense | 2 | 0/1/1 | 0.0% |
| A34 | English Opening | 2 | 0/1/1 | 0.0% |
| A08 | King's Indian Attack | 1 | 0/1/0 | 0.0% |
| E08 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
| C88 | Ruy Lopez: Closed | 1 | 1/0/0 | 100.0% |
| C68 | Ruy Lopez: Exchange | 1 | 0/1/0 | 0.0% |
| B50 | Sicilian | 1 | 0/1/0 | 0.0% |
| B22 | Sicilian: Alapin | 1 | 0/1/0 | 0.0% |
| B25 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2019 | Bragi Halldorsson | 2,111 | chT1-ISL 1920 | D16 |
| Sep 2015 | Nokkvi Sverrisson | 2,083 | chT2-ISL 1516 | C88 |
| Mar 2009 | Olafur Gisli Jonsson | 1,913 | Reykjavik Open | D40 |
| Sep 2015 | Bjarni Saemundsson | 1,892 | chT2-ISL 1516 | C59 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT2-ISL 1516 | 2016 | 9 | 4.5 | 2,070 |
| Reykjavik Open | 2009 | 9 | 4 | 2,073 |
| chT2-ISL 1617 | 2017 | 6 | 3 | 2,053 |
| chT2-ISL 1011 | 2011 | 5 | 1.5 | 1,853 |
| chT1-ISL 1920 | 2019 | 3 | 1.5 | 2,073 |
| chT2-ISL 1718 | 2018 | 3 | 0.5 | 1,778 |
| chT-ISL 1314 | 2013 | 3 | 0.5 | 1,948 |
Interactive opening tree from all 38 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bjorn Jonsson's chess games?
38 games by Bjorn Jonsson, from Apr 2008 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 Bjorn Jonsson has played.
What does Bjorn Jonsson play on the first move as White?
Across 19 games with White in our database, Bjorn Jonsson opens with 1.e4 (68% of games), 1.d4 (32% of games). Against 1.e4 as Black, Bjorn Jonsson answers 1...c5 (70% of games), 1...e5 (30% of games). Against 1.d4: 1...Nf6 (50% of games), 1...d5 (50% of games).
What openings does Bjorn Jonsson play as White?
As White, Bjorn Jonsson's most-played openings in our database are: Sicilian: Najdorf (3 games, 33.3% win rate); Sicilian: Four Knights (2 games, 0.0% win rate); King's Indian Defense (2 games, 50.0% win rate). The full breakdown of 19 games with White is in the table above.
What openings does Bjorn Jonsson play as Black?
As Black, Bjorn Jonsson most often plays: Sicilian: Najdorf (4 games, 0.0% win rate); Slav Defense (2 games, 0.0% win rate); English Opening (2 games, 0.0% win rate). See the table above for the top ten Black openings across 19 games.
What is Bjorn Jonsson's FIDE rating?
Bjorn Jonsson is currently rated 1,982 in classical chess. Peak classical rating: 2,045 (Sep 2011).
How many games has Bjorn Jonsson played?
Our database contains 38 games by Bjorn Jonsson, covering Apr 2008 to Jul 2026. Overall record: 6 wins, 19 draws, 13 losses (15.8% win rate).
How do I prepare against Bjorn Jonsson?
38 games by Bjorn Jonsson 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.