Prepare against Bjorn-Ivar Karlsson
FM · Iceland · World #3,208 classical · FIDE ID 2301687
When preparing against Bjorn-Ivar Karlsson, expect 1.e4 in 50% of White games. Against 1.e4 the reply is 1...c5 (82% of games); against 1.d4, 1...Nf6 (59%).
Our database contains 162 games by Bjorn-Ivar Karlsson, covering Apr 2003 to Jul 2026. Below you'll find Bjorn-Ivar Karlsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bjorn-Ivar Karlsson 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 | 2,329 | 2,341 | Oct 2024 |
| Rapid | 2,312 | 2,312 | Jul 2026 |
| Blitz | 2,330 | 2,341 | Feb 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 162 | 61 | 47 | 54 | 37.7% |
| As White | 88 | 34 | 28 | 26 | 38.6% |
| As Black | 74 | 27 | 19 | 28 | 36.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bjorn-Ivar Karlsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bjorn-Ivar Karlsson's side.
First moves as White (88 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 44 | 50.0% | 53.4% |
| d4 | 20 | 22.7% | 62.5% |
| Nf3 | 14 | 15.9% | 53.6% |
| c4 | 8 | 9.1% | 43.8% |
| a3 | 2 | 2.3% | 50.0% |
Main lines as White
- 1.e4 — 50% of White games, 53.4% score
- …c5 (57% of these games) — Karlsson usually continues Nf3 (41.7% score)
- …e5 (11% of these games) — Karlsson usually continues Nf3 (87.5% score)
- …c6 (11% of these games) — Karlsson usually continues c4 (33.3% score)
- 1.d4 — 23% of White games, 62.5% score
- …Nf6 (50% of these games) — Karlsson usually continues Nf3 (50.0% score)
- …d5 (25% of these games) — Karlsson usually continues Nf3 (83.3% score)
- …f5 (15% of these games) — Karlsson usually continues g3 (100.0% score)
As Black against 1.e4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 23 | 82.1% | 41.3% |
| g6 | 4 | 14.3% | 100.0% |
| e5 | 1 | 3.6% | 50.0% |
As Black against 1.d4 (32 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 19 | 59.4% | 57.9% |
| d5 | 12 | 37.5% | 50.0% |
| e6 | 1 | 3.1% | 100.0% |
Bjorn-Ivar Karlsson's chess games
All 162 games by Bjorn-Ivar Karlsson in the Chess.ceo database (Apr 2003 - 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: 61 wins, 47 draws, 54 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B23 | Sicilian: Closed | 8 | 3/3/2 | 37.5% |
| B22 | Sicilian | 7 | 2/1/4 | 28.6% |
| A46 | Indian Defense | 7 | 5/2/0 | 71.4% |
| A16 | English Opening | 6 | 2/2/2 | 33.3% |
| B22 | Sicilian: Alapin | 5 | 2/1/2 | 40.0% |
| A30 | English Opening: Symmetrical | 4 | 0/2/2 | 0.0% |
| B08 | Modern Defense | 4 | 1/0/3 | 25.0% |
| D46 | Slav Defense | 4 | 1/3/0 | 25.0% |
| A90 | Dutch Defense | 3 | 3/0/0 | 100.0% |
| B10 | Caro-Kann | 3 | 0/2/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 13 | 4/3/6 | 30.8% |
| D11 | Slav Defense | 12 | 3/4/5 | 25.0% |
| A20 | English Opening: Reverse Sicilian | 4 | 2/2/0 | 50.0% |
| B15 | Modern Defense | 4 | 4/0/0 | 100.0% |
| B23 | Sicilian: Closed | 4 | 1/1/2 | 25.0% |
| A13 | Réti Opening | 4 | 0/1/3 | 0.0% |
| A46 | Indian Defense | 3 | 2/1/0 | 66.7% |
| A43 | Benoni Defense | 3 | 1/0/2 | 33.3% |
| E12 | Queen's Indian Defense | 3 | 3/0/0 | 100.0% |
| E11 | Bogo-Indian Defense | 3 | 0/1/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2017 | Bassem Amin | 2,666 | Titled Tue | C77 |
| May 2021 | Alexander Donchenko | 2,660 | chT1-ISL 1920 | B50 |
| Jan 2017 | Ivan Rozum | 2,601 | Titled Tue | D11 |
| Jan 2017 | Johann Hjartarson | 2,540 | Titled Tue | D11 |
| Oct 2017 | Margeir Petursson | 2,516 | chT-ISL 1718 | B23 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2012 | 18 | 10 | 2,166 |
| Budapest FS07 IM | 2004 | 12 | 5.5 | 2,269 |
| chT1-ISL 2122 | 2022 | 10 | 3.5 | 2,294 |
| chT-ISL 1415 | 2015 | 9 | 5.5 | 2,249 |
| chT-ISL 1516 | 2016 | 9 | 6.5 | 2,472 |
| chT-ISL 1314 | 2014 | 9 | 6 | 2,270 |
| chT1-ISL 1819 | 2019 | 9 | 2 | 2,170 |
| chT-ISL 1617 | 2017 | 9 | 3 | 2,305 |
Interactive opening tree from all 162 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bjorn-Ivar Karlsson's chess games?
162 games by Bjorn-Ivar Karlsson, from Apr 2003 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-Ivar Karlsson has played.
What does Bjorn-Ivar Karlsson play on the first move as White?
Across 88 games with White in our database, Bjorn-Ivar Karlsson opens with 1.e4 (50% of games), 1.d4 (23% of games), 1.Nf3 (16% of games). Against 1.e4 as Black, Bjorn-Ivar Karlsson answers 1...c5 (82% of games), 1...g6 (14% of games), 1...e5 (4% of games). Against 1.d4: 1...Nf6 (59% of games), 1...d5 (38% of games), 1...e6 (3% of games).
What openings does Bjorn-Ivar Karlsson play as White?
As White, Bjorn-Ivar Karlsson's most-played openings in our database are: Sicilian: Closed (8 games, 37.5% win rate); Sicilian (7 games, 28.6% win rate); Indian Defense (7 games, 71.4% win rate). The full breakdown of 88 games with White is in the table above.
What openings does Bjorn-Ivar Karlsson play as Black?
As Black, Bjorn-Ivar Karlsson most often plays: Sicilian (13 games, 30.8% win rate); Slav Defense (12 games, 25.0% win rate); English Opening: Reverse Sicilian (4 games, 50.0% win rate). See the table above for the top ten Black openings across 74 games.
What is Bjorn-Ivar Karlsson's FIDE rating?
Bjorn-Ivar Karlsson is currently rated 2,329 in classical chess, 2,312 in rapid and 2,330 in blitz. Peak classical rating: 2,341 (Oct 2024).
How many games has Bjorn-Ivar Karlsson played?
Our database contains 162 games by Bjorn-Ivar Karlsson, covering Apr 2003 to Jul 2026. Overall record: 61 wins, 47 draws, 54 losses (37.7% win rate).
How do I prepare against Bjorn-Ivar Karlsson?
162 games by Bjorn-Ivar Karlsson 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.