Prepare against Jon Viktor Gunnarsson
IM · Iceland · World #1,448 classical · FIDE ID 2300931
When preparing against Jon Viktor Gunnarsson, expect 1.e4 in 89% of White games. Against 1.e4 the reply is 1...c5 (54% of games); against 1.d4, 1...Nf6 (74%). Lowest win rate among frequent openings: Slav Defense as Black, 17.9% over 28 games.
Our database contains 1,118 games by Jon Viktor Gunnarsson, covering Apr 2003 to Jul 2026. Below you'll find Jon Viktor Gunnarsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jon Viktor Gunnarsson 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 | 2,414 | 2,472 | Jun 2018 |
| Rapid | 2,414 | 2,453 | Dec 2019 |
| Blitz | 2,352 | 2,541 | Nov 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,118 | 501 | 313 | 304 | 44.8% |
| As White | 560 | 274 | 155 | 131 | 48.9% |
| As Black | 558 | 227 | 158 | 173 | 40.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jon Viktor Gunnarsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jon Viktor Gunnarsson's side.
First moves as White (560 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 499 | 89.1% | 61.9% |
| d4 | 26 | 4.6% | 73.1% |
| c4 | 16 | 2.9% | 78.1% |
| Nf3 | 14 | 2.5% | 60.7% |
| b3 | 4 | 0.7% | 62.5% |
| g3 | 1 | 0.2% | 0.0% |
Main lines as White
- 1.e4 — 89% of White games, 61.9% score
- …c5 (42% of these games) — Gunnarsson usually continues Nf3 (60.0% score)
- …e5 (20% of these games) — Gunnarsson usually continues Nf3 (60.5% score)
- …e6 (16% of these games) — Gunnarsson usually continues d4 (66.7% score)
- 1.d4 — 5% of White games, 73.1% score
- …Nf6 (50% of these games) — Gunnarsson usually continues Bf4 (58.3% score)
- …d5 (38% of these games) — Gunnarsson usually continues c4 (75.0% score)
- …c5 (4% of these games) — Gunnarsson usually continues c3 (100.0% score)
As Black against 1.e4 (246 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 134 | 54.5% | 57.5% |
| e5 | 74 | 30.1% | 60.8% |
| e6 | 34 | 13.8% | 47.1% |
| g6 | 3 | 1.2% | 50.0% |
| d6 | 1 | 0.4% | 50.0% |
As Black against 1.d4 (199 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 147 | 73.9% | 52.0% |
| d5 | 25 | 12.6% | 44.0% |
| e6 | 20 | 10.1% | 67.5% |
| g6 | 5 | 2.5% | 80.0% |
| c5 | 1 | 0.5% | 0.0% |
| f5 | 1 | 0.5% | 100.0% |
Jon Viktor Gunnarsson's chess games
All 1,118 games by Jon Viktor Gunnarsson 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: 501 wins, 313 draws, 304 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B43 | Sicilian | 61 | 23/22/16 | 37.7% |
| C55 | Italian Game | 50 | 24/14/12 | 48.0% |
| B90 | Sicilian: Najdorf | 45 | 18/16/11 | 40.0% |
| C10 | French Defense | 29 | 14/11/4 | 48.3% |
| B78 | Sicilian: Dragon | 22 | 19/2/1 | 86.4% |
| C19 | French: Winawer Variation | 19 | 9/3/7 | 47.4% |
| B31 | Sicilian: Rossolimo | 16 | 9/6/1 | 56.3% |
| B11 | Caro-Kann: Two Knights Variation | 15 | 6/3/6 | 40.0% |
| B49 | Sicilian: Taimanov | 15 | 8/3/4 | 53.3% |
| C54 | Italian Game: Classical Variation | 14 | 3/8/3 | 21.4% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A57 | Benoni Defense | 73 | 33/15/25 | 45.2% |
| C42 | Petrov's Defense | 50 | 26/13/11 | 52.0% |
| B50 | Sicilian | 41 | 17/10/14 | 41.5% |
| A36 | English Opening: Symmetrical | 34 | 11/13/10 | 32.4% |
| A30 | English Opening | 30 | 11/10/9 | 36.7% |
| D16 | Slav Defense | 28 | 5/13/10 | 17.9% |
| A47 | Indian Defense | 22 | 6/7/9 | 27.3% |
| B90 | Sicilian: Najdorf | 20 | 12/4/4 | 60.0% |
| C12 | French: Classical Variation | 19 | 7/4/8 | 36.8% |
| B72 | Sicilian: Dragon | 18 | 7/7/4 | 38.9% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2025 | Awonder Liang | 2,690 | Titled Tue Late | B00 |
| Feb 2025 | Sanan Sjugirov | 2,643 | Titled Tue Late | B50 |
| Mar 2015 | Gawain C B Maroroa Jones | 2,642 | Reykjavik Open | A37 |
| Apr 2024 | Alexander Donchenko | 2,633 | Titled Tue Early | C55 |
| Nov 2000 | Jon S Speelman | 2,623 | Olympiad-34 | B11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-ISL | 2016 | 147 | 80 | 2,394 |
| Titled Tuesday | 2025 | 118 | 69.5 | 2,379 |
| Reykjavik Open | 2025 | 83 | 48.5 | 2,384 |
| PRO League Stage | 2018 | 23 | 11 | 2,390 |
| Hafnarfjordur Open | 1996 | 18 | 10.5 | 2,356 |
| ch-ISL Blitz | 2020 | 15 | 8.5 | 2,419 |
| 2nd ch-EU | 2001 | 13 | 6 | 2,497 |
| VISA Nordic GP Final | 1999 | 13 | 5 | 2,374 |
Frequent opponents
Head-to-head records: Throstur Thorhallsson (24 games) · Bragi Thorfinnsson (22 games) · Hannes Stefansson (16 games) · Bjorn Thorfinnsson (15 games) · Helgi Ass Gretarsson (14 games) · Sigurbjorn Bjornsson (13 games) · Robert Lagerman (11 games) · David Kjartansson (10 games)
Interactive opening tree from all 1,118 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jon Viktor Gunnarsson's chess games?
1,118 games by Jon Viktor Gunnarsson, 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 Viktor Gunnarsson has played.
What does Jon Viktor Gunnarsson play on the first move as White?
Across 560 games with White in our database, Jon Viktor Gunnarsson opens with 1.e4 (89% of games), 1.d4 (5% of games), 1.c4 (3% of games). Against 1.e4 as Black, Jon Viktor Gunnarsson answers 1...c5 (54% of games), 1...e5 (30% of games), 1...e6 (14% of games). Against 1.d4: 1...Nf6 (74% of games), 1...d5 (13% of games), 1...e6 (10% of games).
What openings does Jon Viktor Gunnarsson play as White?
As White, Jon Viktor Gunnarsson's most-played openings in our database are: Sicilian (61 games, 37.7% win rate); Italian Game (50 games, 48.0% win rate); Sicilian: Najdorf (45 games, 40.0% win rate). The full breakdown of 560 games with White is in the table above.
What openings does Jon Viktor Gunnarsson play as Black?
As Black, Jon Viktor Gunnarsson most often plays: Benoni Defense (73 games, 45.2% win rate); Petrov's Defense (50 games, 52.0% win rate); Sicilian (41 games, 41.5% win rate). See the table above for the top ten Black openings across 558 games.
What is Jon Viktor Gunnarsson's FIDE rating?
Jon Viktor Gunnarsson is currently rated 2,414 in classical chess, 2,414 in rapid and 2,352 in blitz. Peak classical rating: 2,472 (Jun 2018).
How many games has Jon Viktor Gunnarsson played?
Our database contains 1,118 games by Jon Viktor Gunnarsson, covering Apr 2003 to Jul 2026. Overall record: 501 wins, 313 draws, 304 losses (44.8% win rate).
How do I prepare against Jon Viktor Gunnarsson?
1,118 games by Jon Viktor Gunnarsson 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.