Prepare against Jon Thor Helgason
Iceland · World #90,813 classical · FIDE ID 2311534
When preparing against Jon Thor Helgason, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...d5 (100%).
Our database contains 31 games by Jon Thor Helgason, covering Mar 2014 to Nov 2026. Below you'll find Jon Thor Helgason's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jon Thor Helgason 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 | 1,758 | 1,772 | Oct 2026 |
| Blitz | 1,731 | 1,774 | Feb 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 31 | 7 | 5 | 19 | 22.6% |
| As White | 17 | 5 | 1 | 11 | 29.4% |
| As Black | 14 | 2 | 4 | 8 | 14.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jon Thor Helgason's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jon Thor Helgason's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 17 | 100.0% | 32.4% |
Main lines as White
- 1.e4 — 100% of White games, 32.4% score
- …c5 (35% of these games) — Helgason usually continues Nf3 (33.3% score)
- …d5 (18% of these games) — Helgason usually continues exd5 (16.7% score)
- …e5 (18% of these games) — Helgason usually continues Nf3 (66.7% score)
As Black against 1.e4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 6 | 100.0% | 16.7% |
As Black against 1.d4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 6 | 100.0% | 41.7% |
Jon Thor Helgason's chess games
All 31 games by Jon Thor Helgason in the Chess.ceo database (Mar 2014 - Nov 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: 7 wins, 5 draws, 19 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 3 | 0/1/2 | 0.0% |
| B30 | Sicilian | 2 | 0/0/2 | 0.0% |
| B30 | Sicilian: Rossolimo | 2 | 2/0/0 | 100.0% |
| B00 | Owen Defense | 1 | 1/0/0 | 100.0% |
| B08 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| C70 | Ruy Lopez | 1 | 1/0/0 | 100.0% |
| B13 | Caro-Kann | 1 | 0/0/1 | 0.0% |
| C77 | Ruy Lopez: Morphy Defense | 1 | 1/0/0 | 100.0% |
| B72 | Sicilian: Dragon | 1 | 0/0/1 | 0.0% |
| B52 | Sicilian: Moscow Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D35 | Indian Defense | 3 | 1/1/1 | 33.3% |
| C50 | Italian Game | 2 | 0/0/2 | 0.0% |
| D31 | Queen's Gambit Declined | 2 | 1/0/1 | 50.0% |
| C66 | Ruy Lopez | 1 | 0/1/0 | 0.0% |
| C97 | Ruy Lopez: Closed | 1 | 0/0/1 | 0.0% |
| C87 | Ruy Lopez: Morphy Defense | 1 | 0/1/0 | 0.0% |
| A23 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
| C45 | Scotch Game | 1 | 0/0/1 | 0.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 1 | 0/0/1 | 0.0% |
| A06 | Réti Opening | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2014 | Johann O Sigurjonsson | 2,115 | chT2-ISL 1415 | C77 |
| Oct 2019 | Johann Oli Eidsson | 1,771 | chT-ISL 1921 | B31 |
| Mar 2016 | Thorlakur Magnusson | 1,769 | chT2-ISL 1516 | B30 |
| Mar 2017 | Jon Einar Karlsson | 1,687 | chT2-ISL 1617 | E12 |
| Feb 2020 | Thorsteinn Emil Jonsson | 1,114 | Reykjavik Congress | B00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Congress | 2020 | 9 | 3.5 | 1,425 |
| chT2-ISL 1516 | 2016 | 6 | 1.5 | 1,628 |
| chT2-ISL 1617 | 2017 | 5 | 2 | 1,738 |
| chT2-ISL 1819 | 2019 | 4 | 0.5 | 1,456 |
| chT-ISL 1921 | 2019 | 3 | 1 | 1,751 |
| chT2-ISL 1718 | 2018 | 2 | 0 | 1,631 |
| chT2-ISL 1415 | 2015 | 2 | 1 | 1,950 |
Interactive opening tree from all 31 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jon Thor Helgason's chess games?
31 games by Jon Thor Helgason, from Mar 2014 to Nov 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 Thor Helgason has played.
What does Jon Thor Helgason play on the first move as White?
Across 17 games with White in our database, Jon Thor Helgason opens with 1.e4 (100% of games). Against 1.e4 as Black, Jon Thor Helgason answers 1...e5 (100% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Jon Thor Helgason play as White?
As White, Jon Thor Helgason's most-played openings in our database are: Scandinavian Defense: Main Line (3 games, 0.0% win rate); Sicilian (2 games, 0.0% win rate); Sicilian: Rossolimo (2 games, 100.0% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Jon Thor Helgason play as Black?
As Black, Jon Thor Helgason most often plays: Indian Defense (3 games, 33.3% win rate); Italian Game (2 games, 0.0% win rate); Queen's Gambit Declined (2 games, 50.0% win rate). See the table above for the top ten Black openings across 14 games.
What is Jon Thor Helgason's FIDE rating?
Jon Thor Helgason is currently rated 1,758 in classical chess and 1,731 in blitz. Peak classical rating: 1,772 (Oct 2026).
How many games has Jon Thor Helgason played?
Our database contains 31 games by Jon Thor Helgason, covering Mar 2014 to Nov 2026. Overall record: 7 wins, 5 draws, 19 losses (22.6% win rate).
How do I prepare against Jon Thor Helgason?
31 games by Jon Thor Helgason 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.