Prepare against Bjorn Thorfinnsson
IM · Iceland · World #2,708 classical · FIDE ID 2300982
Our database contains 1,408 games by Bjorn Thorfinnsson, covering Apr 2003 to Aug 2026. Below you'll find Bjorn Thorfinnsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bjorn Thorfinnsson 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 | 2,350 | 2,422 | Apr 2009 |
| Rapid | 2,390 | 2,449 | Nov 2022 |
| Blitz | 2,395 | 2,533 | Sep 2016 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,408 | 632 | 309 | 467 | 44.9% |
| As White | 703 | 356 | 146 | 201 | 50.6% |
| As Black | 705 | 276 | 163 | 266 | 39.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bjorn Thorfinnsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bjorn Thorfinnsson's side.
First moves as White (703 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 572 | 81.4% | 61.3% |
| c4 | 70 | 10.0% | 65.0% |
| Nf3 | 30 | 4.3% | 60.0% |
| e4 | 25 | 3.6% | 48.0% |
| b3 | 4 | 0.6% | 75.0% |
| g3 | 2 | 0.3% | 0.0% |
Main lines as White
- 1.d4 — 81% of White games, 61.3% score
- …Nf6 (51% of these games) — Thorfinnsson usually continues Nf3 (61.0% score)
- …d5 (30% of these games) — Thorfinnsson usually continues c4 (69.4% score)
- …e6 (8% of these games) — Thorfinnsson usually continues Nf3 (57.1% score)
- 1.c4 — 10% of White games, 65.0% score
- …e5 (33% of these games) — Thorfinnsson usually continues g3 (70.0% score)
- …Nf6 (26% of these games) — Thorfinnsson usually continues g3 (71.4% score)
- …e6 (11% of these games) — Thorfinnsson usually continues g3 (57.1% score)
As Black against 1.e4 (335 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 321 | 95.8% | 54.2% |
| c6 | 9 | 2.7% | 50.0% |
| c5 | 3 | 0.9% | 33.3% |
| g6 | 1 | 0.3% | 0.0% |
As Black against 1.d4 (212 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 108 | 50.9% | 49.1% |
| d5 | 92 | 43.4% | 38.0% |
| f5 | 7 | 3.3% | 57.1% |
| e6 | 4 | 1.9% | 37.5% |
| c5 | 1 | 0.5% | 50.0% |
Bjorn Thorfinnsson's chess games
All 1,408 games by Bjorn Thorfinnsson 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: 632 wins, 309 draws, 467 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D03 | Torre Attack | 132 | 78/14/40 | 59.1% |
| D00 | Queen's Pawn Game | 68 | 36/13/19 | 52.9% |
| A45 | Trompowsky Attack | 56 | 30/12/14 | 53.6% |
| A46 | Indian Defense | 53 | 24/11/18 | 45.3% |
| D45 | Slav Defense | 44 | 17/17/10 | 38.6% |
| A13 | English Opening | 27 | 17/5/5 | 63.0% |
| A20 | English Opening: Reverse Sicilian | 24 | 13/6/5 | 54.2% |
| A40 | Horwitz Defense | 21 | 10/4/7 | 47.6% |
| A40 | Modern Defense | 21 | 10/5/6 | 47.6% |
| A58 | Benoni Defense | 17 | 8/5/4 | 47.1% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C60 | Ruy Lopez | 67 | 27/14/26 | 40.3% |
| C55 | Italian Game | 43 | 18/12/13 | 41.9% |
| D37 | Indian Defense | 40 | 16/10/14 | 40.0% |
| A07 | Réti Opening | 39 | 18/5/16 | 46.2% |
| C78 | Ruy Lopez: Morphy Defense | 35 | 12/10/13 | 34.3% |
| C45 | Scotch Game | 34 | 15/11/8 | 44.1% |
| A70 | Benoni Defense | 30 | 15/7/8 | 50.0% |
| D20 | Queen's Gambit Accepted | 24 | 7/6/11 | 29.2% |
| A33 | English Opening | 24 | 11/4/9 | 45.8% |
| D02 | Queen's Pawn Game | 23 | 7/3/13 | 30.4% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2018 | Etienne Bacrot | 2,722 | PRO League Stage | C62 |
| Mar 2008 | Yue Wang | 2,698 | 23rd Reykjavik Open | E91 |
| Jan 2025 | Ray Robson | 2,689 | Titled Tue Late | D26 |
| Jan 2017 | Evgenij Agrest | 2,593 | PRO League Central | A11 |
| Feb 2015 | Sebastien Maze | 2,585 | Bunratty | C49 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 170 | 93 | 2,323 |
| Reykjavik Open | 2025 | 151 | 85.5 | 2,315 |
| ch-ISL | 2021 | 136 | 62.5 | 2,347 |
| PRO League Stage | 2018 | 32 | 14 | 2,378 |
| ch-EU Blitz | 2022 | 22 | 15 | 2,341 |
| Hafnarfjordur Open | 1996 | 18 | 7 | 2,095 |
| 59th Biel Blitz Open 2026 | 2026 | 13 | 8.5 | 2,436 |
| 5th ch-EU | 2004 | 13 | 5 | 2,264 |
Frequent opponents
Head-to-head records: Bragi Thorfinnsson (30 games) · Hannes Stefansson (24 games) · Gudmundur Kjartansson (16 games) · Ingvar Thor Johannesson (15 games) · Throstur Thorhallsson (15 games) · Jon Viktor Gunnarsson (15 games) · Sigurbjorn Bjornsson (14 games) · Robert Lagerman (11 games)
Interactive opening tree from all 1,408 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bjorn Thorfinnsson's chess games?
1,408 games by Bjorn Thorfinnsson, 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 Bjorn Thorfinnsson has played.
What does Bjorn Thorfinnsson play on the first move as White?
Across 703 games with White in our database, Bjorn Thorfinnsson opens with 1.d4 (81% of games), 1.c4 (10% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Bjorn Thorfinnsson answers 1...e5 (96% of games), 1...c6 (3% of games), 1...c5 (1% of games). Against 1.d4: 1...Nf6 (51% of games), 1...d5 (43% of games), 1...f5 (3% of games).
What openings does Bjorn Thorfinnsson play as White?
As White, Bjorn Thorfinnsson's most-played openings in our database are: Torre Attack (132 games, 59.1% win rate); Queen's Pawn Game (68 games, 52.9% win rate); Trompowsky Attack (56 games, 53.6% win rate). The full breakdown of 703 games with White is in the table above.
What openings does Bjorn Thorfinnsson play as Black?
As Black, Bjorn Thorfinnsson most often plays: Ruy Lopez (67 games, 40.3% win rate); Italian Game (43 games, 41.9% win rate); Indian Defense (40 games, 40.0% win rate). See the table above for the top ten Black openings across 705 games.
What is Bjorn Thorfinnsson's FIDE rating?
Bjorn Thorfinnsson is currently rated 2,350 in classical chess, 2,390 in rapid and 2,395 in blitz. Peak classical rating: 2,422 (Apr 2009).
How many games has Bjorn Thorfinnsson played?
Our database contains 1,408 games by Bjorn Thorfinnsson, covering Apr 2003 to Aug 2026. Overall record: 632 wins, 309 draws, 467 losses (44.9% win rate).
How do I prepare against Bjorn Thorfinnsson?
1,408 games by Bjorn Thorfinnsson 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.