Prepare against Olafur Gisli Jonsson
Iceland · World #68,915 classical · FIDE ID 2302705
When preparing against Olafur Gisli Jonsson, expect 1.d4 in 55% of White games. Against 1.e4 the reply is 1...e5 (43% of games); against 1.d4, 1...d5 (68%). Lowest win rate among frequent openings: Indian Defense as White, 32.1% over 28 games.
Our database contains 287 games by Olafur Gisli Jonsson, covering Jan 2005 to Jul 2026. Below you'll find Olafur Gisli Jonsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Olafur Gisli Jonsson 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 | 1,825 | 1,947 | Jul 2006 |
| Blitz | 1,884 | 1,884 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 287 | 105 | 41 | 141 | 36.6% |
| As White | 142 | 56 | 17 | 69 | 39.4% |
| As Black | 145 | 49 | 24 | 72 | 33.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Olafur Gisli Jonsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Olafur Gisli Jonsson's side.
First moves as White (142 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 78 | 54.9% | 44.2% |
| e4 | 57 | 40.1% | 50.9% |
| Nf3 | 7 | 4.9% | 14.3% |
Main lines as White
- 1.d4 — 55% of White games, 44.2% score
- …Nf6 (55% of these games) — Jonsson usually continues Nf3 (39.7% score)
- …d5 (33% of these games) — Jonsson usually continues Nf3 (57.1% score)
- …e6 (4% of these games) — Jonsson usually continues c4 (66.7% score)
- 1.e4 — 40% of White games, 50.9% score
- …c5 (44% of these games) — Jonsson usually continues Nf3 (40.0% score)
- …e5 (25% of these games) — Jonsson usually continues Nf3 (64.3% score)
- …e6 (9% of these games) — Jonsson usually continues d4 (60.0% score)
As Black against 1.e4 (69 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 30 | 43.5% | 23.3% |
| c5 | 29 | 42.0% | 56.9% |
| d6 | 10 | 14.5% | 45.0% |
As Black against 1.d4 (50 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 34 | 68.0% | 41.2% |
| Nf6 | 16 | 32.0% | 43.8% |
Olafur Gisli Jonsson's chess games
All 287 games by Olafur Gisli Jonsson in the Chess.ceo database (Jan 2005 - 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: 105 wins, 41 draws, 141 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E61 | Indian Defense | 28 | 9/5/14 | 32.1% |
| C55 | Italian Game | 10 | 5/2/3 | 50.0% |
| B42 | Sicilian | 10 | 2/0/8 | 20.0% |
| D23 | Queen's Pawn Game | 10 | 4/2/4 | 40.0% |
| D52 | Slav Defense | 9 | 2/1/6 | 22.2% |
| E61 | King's Indian Defense | 5 | 4/0/1 | 80.0% |
| B06 | Modern Defense | 5 | 2/1/2 | 40.0% |
| B94 | Sicilian: Najdorf | 5 | 3/1/1 | 60.0% |
| D11 | Colle System | 4 | 2/0/2 | 50.0% |
| D80 | Grünfeld Defense | 4 | 1/0/3 | 25.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 20 | 9/2/9 | 45.0% |
| B50 | Sicilian | 11 | 6/0/5 | 54.5% |
| B07 | Pirc Defense | 10 | 4/1/5 | 40.0% |
| A30 | English Opening | 9 | 3/1/5 | 33.3% |
| C54 | Italian Game | 9 | 2/2/5 | 22.2% |
| A29 | English Opening: Reverse Sicilian | 8 | 1/4/3 | 12.5% |
| C95 | Ruy Lopez: Closed | 7 | 1/1/5 | 14.3% |
| B90 | Sicilian: Najdorf | 7 | 1/2/4 | 14.3% |
| B22 | Sicilian: Alapin | 6 | 4/1/1 | 66.7% |
| D03 | Indian Defense | 6 | 1/1/4 | 16.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2021 | Askell O Karason | 2,270 | 21st ch-EU | D61 |
| Aug 2021 | Aaron Noah Koellner | 2,248 | 21st ch-EU | D10 |
| Mar 2011 | Kjartan Maack | 2,157 | Reykjavik Open | A11 |
| Mar 2014 | Marcel Marentini | 2,155 | Reykjavik Open | C41 |
| Feb 2013 | Jon Thor Bergthorsson | 2,125 | Reykjavik Open | D23 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2025 | 112 | 46.5 | 1,858 |
| ch-Reykjavik | 2012 | 27 | 15.5 | 1,946 |
| chB-ISL | 2009 | 17 | 8 | 1,804 |
| 21st ch-EU | 2021 | 11 | 4.5 | 1,910 |
| Helsingor Xtracon Open | 2018 | 10 | 3.5 | 1,735 |
| 31st Politiken Cup | 2009 | 10 | 4 | 1,880 |
| chT1-ISL 1819 | 2019 | 9 | 0 | 1,834 |
| Reykjavik ISL-ch Open | 2020 | 9 | 5.5 | 1,840 |
Interactive opening tree from all 287 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Olafur Gisli Jonsson's chess games?
287 games by Olafur Gisli Jonsson, from Jan 2005 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 Olafur Gisli Jonsson has played.
What does Olafur Gisli Jonsson play on the first move as White?
Across 142 games with White in our database, Olafur Gisli Jonsson opens with 1.d4 (55% of games), 1.e4 (40% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Olafur Gisli Jonsson answers 1...e5 (43% of games), 1...c5 (42% of games), 1...d6 (14% of games). Against 1.d4: 1...d5 (68% of games), 1...Nf6 (32% of games).
What openings does Olafur Gisli Jonsson play as White?
As White, Olafur Gisli Jonsson's most-played openings in our database are: Indian Defense (28 games, 32.1% win rate); Italian Game (10 games, 50.0% win rate); Sicilian (10 games, 20.0% win rate). The full breakdown of 142 games with White is in the table above.
What openings does Olafur Gisli Jonsson play as Black?
As Black, Olafur Gisli Jonsson most often plays: Slav Defense (20 games, 45.0% win rate); Sicilian (11 games, 54.5% win rate); Pirc Defense (10 games, 40.0% win rate). See the table above for the top ten Black openings across 145 games.
What is Olafur Gisli Jonsson's FIDE rating?
Olafur Gisli Jonsson is currently rated 1,825 in classical chess and 1,884 in blitz. Peak classical rating: 1,947 (Jul 2006).
How many games has Olafur Gisli Jonsson played?
Our database contains 287 games by Olafur Gisli Jonsson, covering Jan 2005 to Jul 2026. Overall record: 105 wins, 41 draws, 141 losses (36.6% win rate).
How do I prepare against Olafur Gisli Jonsson?
287 games by Olafur Gisli Jonsson 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.