Prepare against Jon L Arnason
GM · Iceland · World #1,604 classical · FIDE ID 2300036
Our database contains 147 games by Jon L Arnason, covering Apr 2003 to Jul 2026. Below you'll find Jon L Arnason's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jon L Arnason 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 | 2,404 | 2,517 | Apr 2003 |
| Rapid | 2,421 | 2,471 | Dec 2016 |
| Blitz | 2,319 | 2,502 | Sep 2013 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 147 | 64 | 53 | 30 | 43.5% |
| As White | 74 | 35 | 29 | 10 | 47.3% |
| As Black | 73 | 29 | 24 | 20 | 39.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jon L Arnason's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jon L Arnason's side.
First moves as White (74 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 73 | 98.6% | 67.1% |
| g3 | 1 | 1.4% | 50.0% |
Main lines as White
- 1.e4 — 99% of White games, 67.1% score
- …c5 (40% of these games) — Arnason usually continues Nf3 (70.0% score)
- …e5 (25% of these games) — Arnason usually continues Nf3 (62.5% score)
- …c6 (10% of these games) — Arnason usually continues d4 (64.3% score)
- 1.g3 — 1% of White games, 50.0% score
- …d5 (100% of these games) — Arnason usually continues Bg2 (50.0% score)
As Black against 1.e4 (29 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 22 | 75.9% | 59.1% |
| e5 | 7 | 24.1% | 57.1% |
As Black against 1.d4 (29 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 16 | 55.2% | 59.4% |
| d5 | 13 | 44.8% | 38.5% |
Jon L Arnason's chess games
All 147 games by Jon L Arnason 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: 64 wins, 53 draws, 30 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 9 | 7/2/0 | 77.8% |
| C90 | Ruy Lopez: Closed | 6 | 4/2/0 | 66.7% |
| B94 | Sicilian: Najdorf | 5 | 1/3/1 | 20.0% |
| B20 | Sicilian: Snyder Variation | 4 | 2/1/1 | 50.0% |
| B51 | Sicilian: Moscow Variation | 4 | 1/2/1 | 25.0% |
| C10 | French: Tarrasch Variation | 4 | 3/1/0 | 75.0% |
| C77 | Ruy Lopez: Morphy Defense | 3 | 1/1/1 | 33.3% |
| B06 | Modern Defense | 3 | 1/2/0 | 33.3% |
| B19 | Caro-Kann: Classical | 3 | 1/1/1 | 33.3% |
| C11 | French: Classical Variation | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E15 | Queen's Indian Defense | 9 | 2/6/1 | 22.2% |
| A36 | English Opening: Symmetrical | 9 | 4/3/2 | 44.4% |
| B90 | Sicilian: Najdorf | 8 | 2/2/4 | 25.0% |
| B84 | Sicilian | 7 | 4/2/1 | 57.1% |
| D27 | Queen's Pawn Game | 5 | 2/2/1 | 40.0% |
| D27 | Queen's Gambit Accepted | 5 | 0/2/3 | 0.0% |
| A06 | Réti Opening | 3 | 2/1/0 | 66.7% |
| E52 | Nimzo-Indian: Rubinstein System | 3 | 1/2/0 | 33.3% |
| B23 | Sicilian: Closed | 3 | 2/0/1 | 66.7% |
| A48 | Indian Defense | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2010 | Hannes Stefansson | 2,585 | chT-ISL 1011 | B47 |
| May 2015 | Johann Hjartarson | 2,566 | ch-ISL | C97 |
| Mar 2013 | Karl Thorsteins | 2,461 | chT-ISL 1213 | B15 |
| Nov 2015 | Mario Schachinger | 2,451 | 20th chT-EU | C93 |
| Nov 2015 | Tomas Laurusas | 2,435 | 20th chT-EU | B42 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| WchT Seniors 50 | 2024 | 31 | 18.5 | 2,353 |
| Titled Tuesday | 2020 | 10 | 4.5 | 2,313 |
| ch-ISL | 2015 | 10 | 5.5 | 2,501 |
| chT1-ISL 1819 | 2019 | 9 | 4.5 | 2,207 |
| Rhodes Colossus Open | 2015 | 9 | 6.5 | 2,376 |
| 20th chT-EU | 2015 | 8 | 3.5 | 2,422 |
| World Senior Teams +65 | 2026 | 8 | 5.5 | 2,374 |
| World Senior Teams +50 | 2025 | 7 | 5 | 2,362 |
Interactive opening tree from all 147 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jon L Arnason's chess games?
147 games by Jon L Arnason, 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 Jon L Arnason has played.
What does Jon L Arnason play on the first move as White?
Across 74 games with White in our database, Jon L Arnason opens with 1.e4 (99% of games), 1.g3 (1% of games). Against 1.e4 as Black, Jon L Arnason answers 1...c5 (76% of games), 1...e5 (24% of games). Against 1.d4: 1...Nf6 (55% of games), 1...d5 (45% of games).
What openings does Jon L Arnason play as White?
As White, Jon L Arnason's most-played openings in our database are: Sicilian (9 games, 77.8% win rate); Ruy Lopez: Closed (6 games, 66.7% win rate); Sicilian: Najdorf (5 games, 20.0% win rate). The full breakdown of 74 games with White is in the table above.
What openings does Jon L Arnason play as Black?
As Black, Jon L Arnason most often plays: Queen's Indian Defense (9 games, 22.2% win rate); English Opening: Symmetrical (9 games, 44.4% win rate); Sicilian: Najdorf (8 games, 25.0% win rate). See the table above for the top ten Black openings across 73 games.
What is Jon L Arnason's FIDE rating?
Jon L Arnason is currently rated 2,404 in classical chess, 2,421 in rapid and 2,319 in blitz. Peak classical rating: 2,517 (Apr 2003).
How many games has Jon L Arnason played?
Our database contains 147 games by Jon L Arnason, covering Apr 2003 to Jul 2026. Overall record: 64 wins, 53 draws, 30 losses (43.5% win rate).
How do I prepare against Jon L Arnason?
147 games by Jon L Arnason 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.