Prepare against Oskar Bjarnason
Iceland · World #13,587 classical · FIDE ID 2301237
Our database contains 293 games by Oskar Bjarnason, covering Apr 2003 to Jul 2026. Below you'll find Oskar Bjarnason's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oskar Bjarnason 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 | 2,121 | 2,290 | Jan 2008 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 293 | 109 | 78 | 106 | 37.2% |
| As White | 142 | 58 | 34 | 50 | 40.8% |
| As Black | 151 | 51 | 44 | 56 | 33.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oskar Bjarnason's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oskar Bjarnason's side.
First moves as White (142 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 86 | 60.6% | 49.4% |
| d4 | 24 | 16.9% | 60.4% |
| b3 | 16 | 11.3% | 56.3% |
| Nc3 | 8 | 5.6% | 68.8% |
| Nf3 | 5 | 3.5% | 30.0% |
| f4 | 2 | 1.4% | 100.0% |
Main lines as White
- 1.e4 — 61% of White games, 49.4% score
- …c5 (45% of these games) — Bjarnason usually continues Nf3 (55.4% score)
- …e5 (22% of these games) — Bjarnason usually continues Nf3 (55.0% score)
- …e6 (15% of these games) — Bjarnason usually continues d4 (50.0% score)
- 1.d4 — 17% of White games, 60.4% score
- …Nf6 (54% of these games) — Bjarnason usually continues Nc3 (59.1% score)
- …d5 (25% of these games) — Bjarnason usually continues Nc3 (33.3% score)
- …f5 (13% of these games) — Bjarnason usually continues Nc3 (100.0% score)
As Black against 1.e4 (67 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 39 | 58.2% | 59.0% |
| c5 | 16 | 23.9% | 46.9% |
| e5 | 6 | 9.0% | 16.7% |
| e6 | 2 | 3.0% | 50.0% |
| c6 | 2 | 3.0% | 50.0% |
| Nf6 | 1 | 1.5% | 100.0% |
As Black against 1.d4 (55 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 30 | 54.5% | 26.7% |
| Nc6 | 6 | 10.9% | 50.0% |
| Nf6 | 5 | 9.1% | 80.0% |
| f5 | 4 | 7.3% | 75.0% |
| e6 | 4 | 7.3% | 75.0% |
| b6 | 3 | 5.5% | 100.0% |
Oskar Bjarnason's chess games
All 293 games by Oskar Bjarnason 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: 109 wins, 78 draws, 106 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A01 | Nimzovich-Larsen attack | 15 | 7/4/4 | 46.7% |
| B30 | Sicilian | 11 | 5/2/4 | 45.5% |
| B22 | Sicilian: Alapin | 10 | 2/5/3 | 20.0% |
| C36 | King's Gambit | 9 | 3/2/4 | 33.3% |
| A00 | Dunst Opening | 8 | 5/1/2 | 62.5% |
| D01 | Richter-Veresov Attack | 7 | 3/3/1 | 42.9% |
| B90 | Sicilian: Najdorf | 6 | 1/2/3 | 16.7% |
| B06 | Pirc Defense | 5 | 1/1/3 | 20.0% |
| C68 | Ruy Lopez: Exchange | 4 | 2/0/2 | 50.0% |
| C02 | French: Advance Variation | 4 | 0/0/4 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 34 | 14/12/8 | 41.2% |
| D15 | Slav Defense | 22 | 2/7/13 | 9.1% |
| B42 | Sicilian | 10 | 1/3/6 | 10.0% |
| D00 | Queen's Pawn Game | 8 | 3/2/3 | 37.5% |
| A07 | Réti Opening | 7 | 4/0/3 | 57.1% |
| D43 | Semi-Slav Defense | 4 | 1/0/3 | 25.0% |
| A43 | Horwitz Defense | 4 | 3/0/1 | 75.0% |
| A80 | Dutch Defense | 4 | 3/0/1 | 75.0% |
| A11 | English Opening: Slav Setup | 4 | 1/2/1 | 25.0% |
| A40 | Mikenas Defense | 3 | 0/3/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2015 | Michael Wiedenkeller | 2,479 | chT-Luxembourg 1415 | A25 |
| Mar 2005 | Romuald Mainka | 2,450 | 21st Bad Woerishofen Open | B22 |
| Jan 2001 | Udo Hobuss | 2,402 | 3rd Basel Hilton Open | A06 |
| Mar 2007 | Daniel Sorm | 2,400 | 23rd Bad Woerishofen Open | C50 |
| Mar 2001 | Gerard Welling | 2,385 | 17th Cappelle Open | B20 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 19th Bad Woerishofen Open | 2003 | 9 | 5.5 | 2,255 |
| Rhone Open | 2007 | 9 | 7 | 2,412 |
| 19th Reykjavik Open | 2000 | 9 | 3.5 | 2,218 |
| chT-LUX 2016/17 | 2017 | 9 | 7 | 2,325 |
| chT-Luxembourg 1112 | 2012 | 9 | 6.5 | 2,279 |
| 23rd Reykjavik Open | 2008 | 9 | 3.5 | 1,971 |
| 2nd Arvier Open | 2005 | 9 | 5.5 | 2,255 |
| 22nd Reykjavik Open | 2006 | 9 | 4 | 2,293 |
Interactive opening tree from all 293 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oskar Bjarnason's chess games?
293 games by Oskar Bjarnason, 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 Oskar Bjarnason has played.
What does Oskar Bjarnason play on the first move as White?
Across 142 games with White in our database, Oskar Bjarnason opens with 1.e4 (61% of games), 1.d4 (17% of games), 1.b3 (11% of games). Against 1.e4 as Black, Oskar Bjarnason answers 1...d5 (58% of games), 1...c5 (24% of games), 1...e5 (9% of games). Against 1.d4: 1...d5 (55% of games), 1...Nc6 (11% of games), 1...Nf6 (9% of games).
What openings does Oskar Bjarnason play as White?
As White, Oskar Bjarnason's most-played openings in our database are: Nimzovich-Larsen attack (15 games, 46.7% win rate); Sicilian (11 games, 45.5% win rate); Sicilian: Alapin (10 games, 20.0% win rate). The full breakdown of 142 games with White is in the table above.
What openings does Oskar Bjarnason play as Black?
As Black, Oskar Bjarnason most often plays: Scandinavian Defense: Main Line (34 games, 41.2% win rate); Slav Defense (22 games, 9.1% win rate); Sicilian (10 games, 10.0% win rate). See the table above for the top ten Black openings across 151 games.
What is Oskar Bjarnason's FIDE rating?
Oskar Bjarnason is currently rated 2,121 in classical chess. Peak classical rating: 2,290 (Jan 2008).
How many games has Oskar Bjarnason played?
Our database contains 293 games by Oskar Bjarnason, covering Apr 2003 to Jul 2026. Overall record: 109 wins, 78 draws, 106 losses (37.2% win rate).
How do I prepare against Oskar Bjarnason?
293 games by Oskar Bjarnason 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.