Prepare against Birkir Karl Sigurdsson
Iceland · World #35,152 classical · FIDE ID 2304180
When preparing against Birkir Karl Sigurdsson, expect 1.d4 in 56% of White games. Against 1.e4 the reply is 1...e6 (38% of games); against 1.d4, 1...Nf6 (62%). Lowest win rate among frequent openings: Slav Defense as White, 33.3% over 21 games.
Our database contains 233 games by Birkir Karl Sigurdsson, covering Sep 2009 to Jul 2026. Below you'll find Birkir Karl Sigurdsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Birkir Karl Sigurdsson 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 | 1,958 | 1,974 | Mar 2025 |
| Rapid | 1,926 | 1,926 | Jul 2026 |
| Blitz | 1,989 | 2,002 | Apr 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 233 | 66 | 66 | 101 | 28.3% |
| As White | 115 | 45 | 32 | 38 | 39.1% |
| As Black | 118 | 21 | 34 | 63 | 17.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Birkir Karl Sigurdsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Birkir Karl Sigurdsson's side.
First moves as White (115 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 64 | 55.7% | 50.8% |
| Nf3 | 22 | 19.1% | 52.3% |
| c4 | 15 | 13.0% | 46.7% |
| e4 | 12 | 10.4% | 66.7% |
| g3 | 2 | 1.7% | 100.0% |
Main lines as White
- 1.d4 — 56% of White games, 50.8% score
- …Nf6 (47% of these games) — Sigurdsson usually continues c4 (51.7% score)
- …d5 (38% of these games) — Sigurdsson usually continues c4 (56.3% score)
- …e6 (11% of these games) — Sigurdsson usually continues c4 (42.9% score)
- 1.Nf3 — 19% of White games, 52.3% score
- …d5 (50% of these games) — Sigurdsson usually continues d4 (25.0% score)
- …Nf6 (23% of these games) — Sigurdsson usually continues c4 (100.0% score)
- …Nc6 (9% of these games) — Sigurdsson usually continues d4 (100.0% score)
As Black against 1.e4 (72 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 27 | 37.5% | 33.3% |
| c5 | 26 | 36.1% | 46.2% |
| e5 | 13 | 18.1% | 23.1% |
| d5 | 3 | 4.2% | 33.3% |
| Nc6 | 2 | 2.8% | 25.0% |
| g6 | 1 | 1.4% | 0.0% |
As Black against 1.d4 (34 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 21 | 61.8% | 28.6% |
| d5 | 8 | 23.5% | 18.8% |
| e6 | 4 | 11.8% | 62.5% |
| g6 | 1 | 2.9% | 0.0% |
Birkir Karl Sigurdsson's chess games
All 233 games by Birkir Karl Sigurdsson in the Chess.ceo database (Sep 2009 - 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: 66 wins, 66 draws, 101 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D13 | Slav Defense | 21 | 7/3/11 | 33.3% |
| D35 | Indian Defense | 10 | 5/3/2 | 50.0% |
| E44 | Nimzo-Indian: Rubinstein System | 9 | 1/6/2 | 11.1% |
| A15 | English Opening | 8 | 4/2/2 | 50.0% |
| D07 | Queen's Pawn Game | 6 | 3/0/3 | 50.0% |
| D94 | Grünfeld Defense | 6 | 3/1/2 | 50.0% |
| D35 | Queen's Gambit Declined | 6 | 1/3/2 | 16.7% |
| A25 | English Opening: Reverse Sicilian | 4 | 1/2/1 | 25.0% |
| A85 | Réti Opening | 4 | 2/1/1 | 50.0% |
| A85 | Horwitz Defense | 3 | 0/3/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 10 | 5/0/5 | 50.0% |
| B40 | French Defense | 9 | 3/3/3 | 33.3% |
| C15 | French: Winawer Variation | 7 | 1/1/5 | 14.3% |
| B23 | Sicilian: Closed | 6 | 3/1/2 | 50.0% |
| A47 | Indian Defense | 5 | 0/1/4 | 0.0% |
| C06 | French: Tarrasch Variation | 4 | 0/3/1 | 0.0% |
| E11 | Bogo-Indian Defense | 4 | 1/2/1 | 25.0% |
| A45 | Queen's Pawn Game | 4 | 1/2/1 | 25.0% |
| A10 | English Opening | 3 | 0/1/2 | 0.0% |
| C02 | French: Advance Variation | 3 | 0/2/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2018 | Johann Ingvason | 2,161 | Reykjavik Congress | D35 |
| Dec 2011 | Richard Millward | 2,097 | London Classic Open | A11 |
| Mar 2014 | Gudlaug Thorsteinsdottir | 2,056 | Reykjavik Open | D13 |
| Jul 2016 | Alex Bullen | 2,045 | 13th South Wales Open | E16 |
| Mar 2015 | James Chan | 2,038 | Reykjavik Open | D97 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2018 | 70 | 24 | 1,820 |
| ch-Reykjavik | 2012 | 25 | 11 | 1,853 |
| chB-ISL | 2010 | 23 | 10.5 | 1,704 |
| 13th South Wales Open | 2016 | 9 | 4.5 | 2,078 |
| London Classic Open | 2011 | 9 | 4 | 2,012 |
| 8th South Wales Open | 2011 | 9 | 3.5 | 1,871 |
| 119th ch-SCO | 2012 | 9 | 3.5 | 1,818 |
| ch-REY | 2008 | 9 | 5 | 1,549 |
Interactive opening tree from all 233 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Birkir Karl Sigurdsson's chess games?
233 games by Birkir Karl Sigurdsson, from Sep 2009 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 Birkir Karl Sigurdsson has played.
What does Birkir Karl Sigurdsson play on the first move as White?
Across 115 games with White in our database, Birkir Karl Sigurdsson opens with 1.d4 (56% of games), 1.Nf3 (19% of games), 1.c4 (13% of games). Against 1.e4 as Black, Birkir Karl Sigurdsson answers 1...e6 (38% of games), 1...c5 (36% of games), 1...e5 (18% of games). Against 1.d4: 1...Nf6 (62% of games), 1...d5 (24% of games), 1...e6 (12% of games).
What openings does Birkir Karl Sigurdsson play as White?
As White, Birkir Karl Sigurdsson's most-played openings in our database are: Slav Defense (21 games, 33.3% win rate); Indian Defense (10 games, 50.0% win rate); Nimzo-Indian: Rubinstein System (9 games, 11.1% win rate). The full breakdown of 115 games with White is in the table above.
What openings does Birkir Karl Sigurdsson play as Black?
As Black, Birkir Karl Sigurdsson most often plays: Sicilian (10 games, 50.0% win rate); French Defense (9 games, 33.3% win rate); French: Winawer Variation (7 games, 14.3% win rate). See the table above for the top ten Black openings across 118 games.
What is Birkir Karl Sigurdsson's FIDE rating?
Birkir Karl Sigurdsson is currently rated 1,958 in classical chess, 1,926 in rapid and 1,989 in blitz. Peak classical rating: 1,974 (Mar 2025).
How many games has Birkir Karl Sigurdsson played?
Our database contains 233 games by Birkir Karl Sigurdsson, covering Sep 2009 to Jul 2026. Overall record: 66 wins, 66 draws, 101 losses (28.3% win rate).
How do I prepare against Birkir Karl Sigurdsson?
233 games by Birkir Karl Sigurdsson 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.