Prepare against Sigurbjorn Bjornsson
FM · Iceland · World #5,509 classical · FIDE ID 2300974
When preparing against Sigurbjorn Bjornsson, expect 1.e4 in 91% of White games. Against 1.e4 the reply is 1...c5 (54% of games); against 1.d4, 1...Nf6 (82%). Lowest win rate among frequent openings: Slav Defense as Black, 16.7% over 18 games.
Our database contains 728 games by Sigurbjorn Bjornsson, covering Apr 2003 to Aug 2026. Below you'll find Sigurbjorn Bjornsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sigurbjorn Bjornsson 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 | 2,260 | 2,401 | Mar 2013 |
| Rapid | 2,310 | 2,375 | Dec 2013 |
| Blitz | 2,269 | 2,429 | Feb 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 728 | 292 | 179 | 257 | 40.1% |
| As White | 372 | 162 | 93 | 117 | 43.5% |
| As Black | 356 | 130 | 86 | 140 | 36.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sigurbjorn Bjornsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sigurbjorn Bjornsson's side.
First moves as White (372 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 337 | 90.6% | 55.5% |
| d4 | 18 | 4.8% | 55.6% |
| c4 | 13 | 3.5% | 76.9% |
| Nf3 | 2 | 0.5% | 75.0% |
| Nc3 | 2 | 0.5% | 0.0% |
Main lines as White
- 1.e4 — 91% of White games, 55.5% score
- …c5 (50% of these games) — Bjornsson usually continues Nf3 (53.8% score)
- …e5 (18% of these games) — Bjornsson usually continues Nf3 (50.0% score)
- …e6 (12% of these games) — Bjornsson usually continues d4 (57.1% score)
- 1.d4 — 5% of White games, 55.6% score
- …Nf6 (50% of these games) — Bjornsson usually continues c4 (50.0% score)
- …d5 (39% of these games) — Bjornsson usually continues c4 (41.7% score)
- …d6 (6% of these games) — Bjornsson usually continues c4 (100.0% score)
As Black against 1.e4 (149 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 80 | 53.7% | 52.5% |
| e5 | 52 | 34.9% | 47.1% |
| d6 | 13 | 8.7% | 50.0% |
| Nf6 | 2 | 1.3% | 100.0% |
| c6 | 1 | 0.7% | 50.0% |
| g6 | 1 | 0.7% | 0.0% |
As Black against 1.d4 (146 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 119 | 81.5% | 50.4% |
| d5 | 24 | 16.4% | 35.4% |
| e6 | 1 | 0.7% | 0.0% |
| b5 | 1 | 0.7% | 0.0% |
| g6 | 1 | 0.7% | 50.0% |
Sigurbjorn Bjornsson's chess games
All 728 games by Sigurbjorn Bjornsson in the Chess.ceo database (Apr 2003 - 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: 292 wins, 179 draws, 257 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B41 | Sicilian | 68 | 26/15/27 | 38.2% |
| B90 | Sicilian: Najdorf | 44 | 19/11/14 | 43.2% |
| C18 | French: Winawer Variation | 23 | 14/1/8 | 60.9% |
| B19 | Caro-Kann: Classical | 11 | 10/0/1 | 90.9% |
| B47 | Sicilian: Taimanov | 10 | 3/5/2 | 30.0% |
| B06 | Modern Defense | 10 | 3/4/3 | 30.0% |
| C78 | Ruy Lopez: Morphy Defense | 10 | 2/3/5 | 20.0% |
| C11 | French: Classical Variation | 10 | 4/3/3 | 40.0% |
| B78 | Sicilian: Dragon | 9 | 6/2/1 | 66.7% |
| B07 | Pirc Defense | 8 | 3/2/3 | 37.5% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 23 | 11/4/8 | 47.8% |
| E97 | King's Indian Defense: Orthodox Variation | 23 | 11/3/9 | 47.8% |
| A48 | Indian Defense | 21 | 9/4/8 | 42.9% |
| B72 | Sicilian: Dragon | 19 | 6/8/5 | 31.6% |
| D12 | Slav Defense | 18 | 3/6/9 | 16.7% |
| E90 | King's Indian Defense | 15 | 6/2/7 | 40.0% |
| B07 | Pirc Defense | 12 | 5/2/5 | 41.7% |
| E81 | King's Indian: Sämisch | 11 | 6/4/1 | 54.5% |
| A24 | English Opening | 11 | 4/1/6 | 36.4% |
| C92 | Ruy Lopez: Closed | 10 | 3/2/5 | 30.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2019 | Nikola Djukic | 2,566 | Reykjavik Open | B78 |
| Apr 2021 | Hannes Stefansson | 2,532 | ch-ISL | B67 |
| Mar 2017 | Artur Jakubiec | 2,505 | chT-ISL 1617 | B90 |
| Jan 2020 | Gudmundur Kjartansson | 2,453 | Reykjavik Congress | C48 |
| Jul 2004 | Tapani Sammalvuo | 2,445 | 26th Politiken Cup | B23 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2025 | 88 | 45.5 | 2,204 |
| ch-ISL | 2021 | 75 | 28.5 | 2,291 |
| Reykjavik Congress | 2020 | 27 | 21.5 | 2,309 |
| chB-ISL | 2010 | 22 | 17.5 | 2,300 |
| ch-Reykjavik | 2009 | 18 | 12.5 | 2,203 |
| chT-ISL | 2000 | 16 | 5 | 2,242 |
| Budapest FS07 IM-A | 2001 | 12 | 5 | 2,220 |
| Wch U18 | 1992 | 11 | 3.5 | 2,154 |
Frequent opponents
Head-to-head records: Bjorn Thorfinnsson (14 games) · Throstur Thorhallsson (13 games) · Jon Viktor Gunnarsson (13 games) · Bragi Thorfinnsson (13 games) · Gudmundur Kjartansson (13 games) · David Kjartansson (12 games) · Hannes Stefansson (12 games)
Interactive opening tree from all 728 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sigurbjorn Bjornsson's chess games?
728 games by Sigurbjorn Bjornsson, from Apr 2003 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 Sigurbjorn Bjornsson has played.
What does Sigurbjorn Bjornsson play on the first move as White?
Across 372 games with White in our database, Sigurbjorn Bjornsson opens with 1.e4 (91% of games), 1.d4 (5% of games), 1.c4 (3% of games). Against 1.e4 as Black, Sigurbjorn Bjornsson answers 1...c5 (54% of games), 1...e5 (35% of games), 1...d6 (9% of games). Against 1.d4: 1...Nf6 (82% of games), 1...d5 (16% of games), 1...e6 (1% of games).
What openings does Sigurbjorn Bjornsson play as White?
As White, Sigurbjorn Bjornsson's most-played openings in our database are: Sicilian (68 games, 38.2% win rate); Sicilian: Najdorf (44 games, 43.2% win rate); French: Winawer Variation (23 games, 60.9% win rate). The full breakdown of 372 games with White is in the table above.
What openings does Sigurbjorn Bjornsson play as Black?
As Black, Sigurbjorn Bjornsson most often plays: Sicilian (23 games, 47.8% win rate); King's Indian Defense: Orthodox Variation (23 games, 47.8% win rate); Indian Defense (21 games, 42.9% win rate). See the table above for the top ten Black openings across 356 games.
What is Sigurbjorn Bjornsson's FIDE rating?
Sigurbjorn Bjornsson is currently rated 2,260 in classical chess, 2,310 in rapid and 2,269 in blitz. Peak classical rating: 2,401 (Mar 2013).
How many games has Sigurbjorn Bjornsson played?
Our database contains 728 games by Sigurbjorn Bjornsson, covering Apr 2003 to Aug 2026. Overall record: 292 wins, 179 draws, 257 losses (40.1% win rate).
How do I prepare against Sigurbjorn Bjornsson?
728 games by Sigurbjorn Bjornsson 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.