Prepare against Bjorn Jaderberg
Sweden · World #19,832 classical · FIDE ID 1712403
When preparing against Bjorn Jaderberg, expect 1.c4 in 67% of White games. Against 1.e4 the reply is 1...d5 (40% of games); against 1.d4, 1...Nf6 (40%). Lowest win rate among frequent openings: English Opening: Reverse Sicilian as White, 29.4% over 17 games.
Our database contains 220 games by Bjorn Jaderberg, covering Jan 2009 to Sep 2026. Below you'll find Bjorn Jaderberg's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bjorn Jaderberg 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 | 2,059 | 2,175 | Mar 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 220 | 48 | 92 | 80 | 21.8% |
| As White | 85 | 19 | 35 | 31 | 22.4% |
| As Black | 135 | 29 | 57 | 49 | 21.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bjorn Jaderberg's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bjorn Jaderberg's side.
First moves as White (85 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 57 | 67.1% | 50.9% |
| d4 | 17 | 20.0% | 35.3% |
| Nf3 | 7 | 8.2% | 21.4% |
| e4 | 4 | 4.7% | 0.0% |
Main lines as White
- 1.c4 — 67% of White games, 50.9% score
- …Nf6 (28% of these games) — Jaderberg usually continues Nc3 (60.7% score)
- …e5 (19% of these games) — Jaderberg usually continues Nc3 (28.6% score)
- …c5 (12% of these games) — Jaderberg usually continues Nc3 (37.5% score)
- 1.d4 — 20% of White games, 35.3% score
- …d5 (41% of these games) — Jaderberg usually continues Nc3 (40.0% score)
- …Nf6 (29% of these games) — Jaderberg usually continues Nc3 (50.0% score)
- …f5 (12% of these games) — Jaderberg usually continues Nc3 (0.0% score)
As Black against 1.e4 (52 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 21 | 40.4% | 54.8% |
| e6 | 11 | 21.2% | 63.6% |
| c5 | 10 | 19.2% | 35.0% |
| g6 | 5 | 9.6% | 50.0% |
| d6 | 4 | 7.7% | 62.5% |
| c6 | 1 | 1.9% | 100.0% |
As Black against 1.d4 (55 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 22 | 40.0% | 40.9% |
| d5 | 14 | 25.5% | 35.7% |
| e6 | 12 | 21.8% | 33.3% |
| g6 | 3 | 5.5% | 66.7% |
| d6 | 3 | 5.5% | 66.7% |
| f5 | 1 | 1.8% | 50.0% |
Bjorn Jaderberg's chess games
All 220 games by Bjorn Jaderberg in the Chess.ceo database (Jan 2009 - Sep 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: 48 wins, 92 draws, 80 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A21 | English Opening: Reverse Sicilian | 17 | 5/8/4 | 29.4% |
| E61 | English Opening | 12 | 6/3/3 | 50.0% |
| A37 | English Opening: Symmetrical | 10 | 2/4/4 | 20.0% |
| A22 | English Opening: Slav Setup | 6 | 1/4/1 | 16.7% |
| A06 | Réti Opening | 5 | 0/3/2 | 0.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 5 | 1/2/2 | 20.0% |
| A16 | Modern Defense | 5 | 0/3/2 | 0.0% |
| A14 | English Opening: Neo-Catalan | 3 | 0/3/0 | 0.0% |
| A40 | Queen's Pawn Game | 3 | 1/0/2 | 33.3% |
| A80 | Dutch Defense | 3 | 0/0/3 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 19 | 6/7/6 | 31.6% |
| D37 | Indian Defense | 11 | 2/4/5 | 18.2% |
| B06 | Modern Defense | 10 | 2/5/3 | 20.0% |
| A90 | Horwitz Defense | 9 | 2/2/5 | 22.2% |
| C10 | French Defense | 7 | 2/2/3 | 28.6% |
| A10 | English Opening | 7 | 1/4/2 | 14.3% |
| D00 | Queen's Pawn Game | 7 | 0/4/3 | 0.0% |
| B61 | Sicilian | 5 | 0/3/2 | 0.0% |
| A52 | Budapest Defense | 5 | 1/2/2 | 20.0% |
| C41 | Philidor | 4 | 3/0/1 | 75.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2008 | Axel Ornstein | 2,445 | chT2-SWE 0708 | B01 |
| Jan 1999 | Jonas Barkhagen | 2,442 | chT-SWE 9900 | B10 |
| Jan 2004 | Ari Ziegler | 2,433 | chT-SWE 0405 | E61 |
| Oct 1998 | Emanuel Berg | 2,380 | chT-SWE 9899 | A10 |
| Dec 2009 | Anders Eriksson | 2,357 | chT-SWE 0910 | A37 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-SWE 0001 | 2001 | 11 | 3.5 | 2,215 |
| chT-SWE 9900 | 2000 | 11 | 5 | 2,267 |
| 33rd World Senior 65+ | 2025 | 11 | 6.5 | 2,074 |
| chT-SWE 0405 | 2005 | 11 | 6 | 2,348 |
| chT-SWE 0203 | 2003 | 11 | 4.5 | 2,265 |
| chT-SWE 0304 | 2004 | 11 | 4 | 2,219 |
| chT-SWE 0910 | 2010 | 10 | 3 | 2,106 |
| chT-SWE 9899 | 1999 | 10 | 5 | 2,296 |
Interactive opening tree from all 220 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bjorn Jaderberg's chess games?
220 games by Bjorn Jaderberg, from Jan 2009 to Sep 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 Jaderberg has played.
What does Bjorn Jaderberg play on the first move as White?
Across 85 games with White in our database, Bjorn Jaderberg opens with 1.c4 (67% of games), 1.d4 (20% of games), 1.Nf3 (8% of games). Against 1.e4 as Black, Bjorn Jaderberg answers 1...d5 (40% of games), 1...e6 (21% of games), 1...c5 (19% of games). Against 1.d4: 1...Nf6 (40% of games), 1...d5 (25% of games), 1...e6 (22% of games).
What openings does Bjorn Jaderberg play as White?
As White, Bjorn Jaderberg's most-played openings in our database are: English Opening: Reverse Sicilian (17 games, 29.4% win rate); English Opening (12 games, 50.0% win rate); English Opening: Symmetrical (10 games, 20.0% win rate). The full breakdown of 85 games with White is in the table above.
What openings does Bjorn Jaderberg play as Black?
As Black, Bjorn Jaderberg most often plays: Scandinavian Defense: Main Line (19 games, 31.6% win rate); Indian Defense (11 games, 18.2% win rate); Modern Defense (10 games, 20.0% win rate). See the table above for the top ten Black openings across 135 games.
What is Bjorn Jaderberg's FIDE rating?
Bjorn Jaderberg is currently rated 2,059 in classical chess. Peak classical rating: 2,175 (Mar 2024).
How many games has Bjorn Jaderberg played?
Our database contains 220 games by Bjorn Jaderberg, covering Jan 2009 to Sep 2026. Overall record: 48 wins, 92 draws, 80 losses (21.8% win rate).
How do I prepare against Bjorn Jaderberg?
220 games by Bjorn Jaderberg 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.