Prepare against Jon Kristinn Thorgeirsson
FM · Iceland · World #5,080 classical · FIDE ID 2307731
When preparing against Jon Kristinn Thorgeirsson, expect 1.e4 in 69% of White games. Against 1.e4 the reply is 1...e5 (70% of games); against 1.d4, 1...Nf6 (60%). Lowest win rate among frequent openings: Sicilian as White, 31.3% over 16 games.
Our database contains 235 games by Jon Kristinn Thorgeirsson, covering Jan 2010 to Jul 2026. Below you'll find Jon Kristinn Thorgeirsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jon Kristinn Thorgeirsson 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 | 2,271 | 2,330 | Mar 2019 |
| Rapid | 2,216 | 2,216 | Jul 2026 |
| Blitz | 2,333 | 2,336 | Sep 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 235 | 96 | 49 | 90 | 40.9% |
| As White | 118 | 60 | 19 | 39 | 50.8% |
| As Black | 117 | 36 | 30 | 51 | 30.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jon Kristinn Thorgeirsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jon Kristinn Thorgeirsson's side.
First moves as White (118 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 82 | 69.5% | 58.5% |
| d4 | 26 | 22.0% | 57.7% |
| Nf3 | 5 | 4.2% | 60.0% |
| c4 | 3 | 2.5% | 83.3% |
| Nc3 | 1 | 0.8% | 0.0% |
| b4 | 1 | 0.8% | 100.0% |
Main lines as White
- 1.e4 — 69% of White games, 58.5% score
- …c5 (43% of these games) — Thorgeirsson usually continues Nf3 (46.4% score)
- …e5 (22% of these games) — Thorgeirsson usually continues Nf3 (66.7% score)
- …e6 (15% of these games) — Thorgeirsson usually continues d4 (78.6% score)
- 1.d4 — 22% of White games, 57.7% score
- …d5 (38% of these games) — Thorgeirsson usually continues c4 (50.0% score)
- …Nf6 (35% of these games) — Thorgeirsson usually continues c4 (40.0% score)
- …e6 (19% of these games) — Thorgeirsson usually continues Nf3 (66.7% score)
As Black against 1.e4 (53 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 37 | 69.8% | 50.0% |
| e6 | 8 | 15.1% | 50.0% |
| d6 | 4 | 7.5% | 50.0% |
| c5 | 3 | 5.7% | 66.7% |
| g6 | 1 | 1.9% | 100.0% |
As Black against 1.d4 (40 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 24 | 60.0% | 37.5% |
| d5 | 8 | 20.0% | 43.8% |
| e6 | 5 | 12.5% | 60.0% |
| e5 | 2 | 5.0% | 50.0% |
| d6 | 1 | 2.5% | 100.0% |
Jon Kristinn Thorgeirsson's chess games
All 235 games by Jon Kristinn Thorgeirsson in the Chess.ceo database (Jan 2010 - 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: 96 wins, 49 draws, 90 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 16 | 5/1/10 | 31.3% |
| D36 | Indian Defense | 8 | 5/1/2 | 62.5% |
| C54 | Italian Game: Classical Variation | 7 | 2/2/3 | 28.6% |
| B06 | Modern Defense | 7 | 4/2/1 | 57.1% |
| C11 | French Defense | 6 | 4/0/2 | 66.7% |
| D13 | Slav Defense | 5 | 1/2/2 | 20.0% |
| B24 | Sicilian: Closed | 5 | 2/1/2 | 40.0% |
| B11 | Caro-Kann: Two Knights Variation | 5 | 4/1/0 | 80.0% |
| B84 | Sicilian: Najdorf | 4 | 1/1/2 | 25.0% |
| B07 | Pirc Defense | 3 | 1/1/1 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C67 | Ruy Lopez: Berlin Defense | 13 | 3/3/7 | 23.1% |
| C55 | Italian Game | 8 | 3/3/2 | 37.5% |
| D00 | Indian Defense | 7 | 3/1/3 | 42.9% |
| A25 | English Opening: Reverse Sicilian | 6 | 1/0/5 | 16.7% |
| A34 | English Opening | 6 | 1/2/3 | 16.7% |
| D85 | Grünfeld Defense | 5 | 1/3/1 | 20.0% |
| B09 | Pirc Defense | 4 | 2/2/0 | 50.0% |
| C45 | Scotch Game | 4 | 1/3/0 | 25.0% |
| C36 | King's Gambit | 3 | 2/0/1 | 66.7% |
| D00 | Queen's Pawn Game: Chigorin Variation | 3 | 1/1/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2020 | Hannes Stefansson | 2,536 | ch-ISL Blitz | B40 |
| Dec 2020 | Johann Hjartarson | 2,525 | ch-ISL Blitz | B08 |
| Nov 2018 | Karen Movsziszian | 2,513 | chT1-ISL 1819 | B07 |
| Oct 2015 | Razvan Preotu | 2,463 | Wch U16 | E15 |
| Mar 2017 | Arnar Gunnarsson | 2,431 | chT-ISL 1617 | C54 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2018 | 56 | 31 | 2,213 |
| ch-ISL Blitz | 2020 | 15 | 7 | 2,351 |
| ch-Nordic U20 | 2019 | 12 | 9 | 2,379 |
| 23rd ch-EU U14 | 2013 | 9 | 4.5 | 1,935 |
| chT-ISL 1617 | 2017 | 9 | 5.5 | 2,308 |
| ch-EU U14 | 2012 | 9 | 3.5 | 1,840 |
| chT1-ISL 1819 | 2019 | 9 | 2.5 | 2,187 |
| chT-ISL 1516 | 2016 | 9 | 3.5 | 2,168 |
Interactive opening tree from all 235 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jon Kristinn Thorgeirsson's chess games?
235 games by Jon Kristinn Thorgeirsson, from Jan 2010 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 Jon Kristinn Thorgeirsson has played.
What does Jon Kristinn Thorgeirsson play on the first move as White?
Across 118 games with White in our database, Jon Kristinn Thorgeirsson opens with 1.e4 (69% of games), 1.d4 (22% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Jon Kristinn Thorgeirsson answers 1...e5 (70% of games), 1...e6 (15% of games), 1...d6 (8% of games). Against 1.d4: 1...Nf6 (60% of games), 1...d5 (20% of games), 1...e6 (13% of games).
What openings does Jon Kristinn Thorgeirsson play as White?
As White, Jon Kristinn Thorgeirsson's most-played openings in our database are: Sicilian (16 games, 31.3% win rate); Indian Defense (8 games, 62.5% win rate); Italian Game: Classical Variation (7 games, 28.6% win rate). The full breakdown of 118 games with White is in the table above.
What openings does Jon Kristinn Thorgeirsson play as Black?
As Black, Jon Kristinn Thorgeirsson most often plays: Ruy Lopez: Berlin Defense (13 games, 23.1% win rate); Italian Game (8 games, 37.5% win rate); Indian Defense (7 games, 42.9% win rate). See the table above for the top ten Black openings across 117 games.
What is Jon Kristinn Thorgeirsson's FIDE rating?
Jon Kristinn Thorgeirsson is currently rated 2,271 in classical chess, 2,216 in rapid and 2,333 in blitz. Peak classical rating: 2,330 (Mar 2019).
How many games has Jon Kristinn Thorgeirsson played?
Our database contains 235 games by Jon Kristinn Thorgeirsson, covering Jan 2010 to Jul 2026. Overall record: 96 wins, 49 draws, 90 losses (40.9% win rate).
How do I prepare against Jon Kristinn Thorgeirsson?
235 games by Jon Kristinn Thorgeirsson 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.