Prepare against Arnar Milutin Heidarsson
Iceland · World #15,159 classical · FIDE ID 2312875
When preparing against Arnar Milutin Heidarsson, expect 1.d4 in 83% of White games. Against 1.e4 the reply is 1...c5 (78% of games); against 1.d4, 1...Nf6 (81%). Lowest win rate among frequent openings: Sicilian: Najdorf as Black, 47.1% over 17 games.
Our database contains 247 games by Arnar Milutin Heidarsson, covering Mar 2015 to Aug 2026. Below you'll find Arnar Milutin Heidarsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Arnar Milutin Heidarsson 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 | 2,104 | 2,123 | Apr 2023 |
| Rapid | 2,169 | 2,176 | Dec 2025 |
| Blitz | 2,256 | 2,291 | Sep 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 247 | 92 | 43 | 112 | 37.2% |
| As White | 127 | 48 | 25 | 54 | 37.8% |
| As Black | 120 | 44 | 18 | 58 | 36.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Arnar Milutin Heidarsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Arnar Milutin Heidarsson's side.
First moves as White (127 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 105 | 82.7% | 49.5% |
| e4 | 14 | 11.0% | 35.7% |
| Nf3 | 6 | 4.7% | 41.7% |
| b3 | 2 | 1.6% | 50.0% |
Main lines as White
- 1.d4 — 83% of White games, 49.5% score
- …Nf6 (49% of these games) — Heidarsson usually continues c4 (46.4% score)
- …d5 (32% of these games) — Heidarsson usually continues c4 (57.1% score)
- …e6 (6% of these games) — Heidarsson usually continues c4 (50.0% score)
- 1.e4 — 11% of White games, 35.7% score
- …e5 (36% of these games) — Heidarsson usually continues Nf3 (40.0% score)
- …Nc6 (14% of these games) — Heidarsson usually continues Nf3 (50.0% score)
- …e6 (14% of these games) — Heidarsson usually continues d4 (0.0% score)
As Black against 1.e4 (51 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 40 | 78.4% | 48.8% |
| e5 | 6 | 11.8% | 16.7% |
| e6 | 3 | 5.9% | 66.7% |
| d5 | 1 | 2.0% | 100.0% |
As Black against 1.d4 (43 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 35 | 81.4% | 48.6% |
| d5 | 8 | 18.6% | 50.0% |
Arnar Milutin Heidarsson's chess games
All 247 games by Arnar Milutin Heidarsson in the Chess.ceo database (Mar 2015 - Aug 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: 92 wins, 43 draws, 112 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 16 | 9/3/4 | 56.3% |
| D35 | Indian Defense | 14 | 1/5/8 | 7.1% |
| A57 | Benoni Defense | 11 | 4/1/6 | 36.4% |
| D00 | London System | 11 | 4/1/6 | 36.4% |
| E49 | Nimzo-Indian: Rubinstein System | 9 | 1/3/5 | 11.1% |
| A80 | Dutch Defense | 5 | 1/2/2 | 20.0% |
| E20 | Nimzo-Indian Defense | 4 | 3/0/1 | 75.0% |
| D35 | Queen's Gambit Declined | 4 | 1/3/0 | 25.0% |
| E73 | King's Indian Defense: Averbakh System | 3 | 2/0/1 | 66.7% |
| A40 | Modern Defense | 3 | 1/0/2 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 17 | 8/1/8 | 47.1% |
| A25 | English Opening: Reverse Sicilian | 8 | 2/0/6 | 25.0% |
| B23 | Sicilian: Closed | 6 | 2/2/2 | 33.3% |
| B50 | Sicilian | 6 | 4/0/2 | 66.7% |
| E46 | Nimzo-Indian: Rubinstein System | 6 | 0/3/3 | 0.0% |
| A46 | Indian Defense | 6 | 0/2/4 | 0.0% |
| E12 | Queen's Indian Defense | 5 | 3/0/2 | 60.0% |
| B22 | Sicilian: Alapin | 4 | 1/0/3 | 25.0% |
| E04 | Catalan | 4 | 1/1/2 | 25.0% |
| D02 | London System | 4 | 3/0/1 | 75.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2024 | Gunay Mammadzada | 2,449 | Reykjavik Open | A40 |
| Jan 2023 | Aleksandr Domalchuk-Jonasson | 2,352 | Reykjavik Skakping Open | E32 |
| Oct 2025 | Lazar Matyassy | 2,313 | 40th ECC Open | C11 |
| Mar 2024 | Maxim Barth Stanford | 2,275 | Reykjavik Open | C13 |
| Sep 2021 | Askell O Karason | 2,270 | 21st ch-EU | E29 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2024 | 54 | 22.5 | 1,841 |
| Reykjavik Congress | 2020 | 25 | 13.5 | 1,822 |
| 21st ch-EU | 2021 | 11 | 4 | 2,093 |
| Reykjavik Blitz Open | 2022 | 11 | 6 | 2,156 |
| Reykjavik Autumn | 2022 | 9 | 3 | 2,044 |
| Reykjavik Icelandic Open | 2018 | 9 | 4.5 | 1,934 |
| ch-EU U16 | 2019 | 9 | 2.5 | 1,875 |
| Reykjavik Haustmot B | 2020 | 8 | 3 | 1,923 |
Interactive opening tree from all 247 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Arnar Milutin Heidarsson's chess games?
247 games by Arnar Milutin Heidarsson, from Mar 2015 to Aug 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 Arnar Milutin Heidarsson has played.
What does Arnar Milutin Heidarsson play on the first move as White?
Across 127 games with White in our database, Arnar Milutin Heidarsson opens with 1.d4 (83% of games), 1.e4 (11% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Arnar Milutin Heidarsson answers 1...c5 (78% of games), 1...e5 (12% of games), 1...e6 (6% of games). Against 1.d4: 1...Nf6 (81% of games), 1...d5 (19% of games).
What openings does Arnar Milutin Heidarsson play as White?
As White, Arnar Milutin Heidarsson's most-played openings in our database are: Slav Defense (16 games, 56.3% win rate); Indian Defense (14 games, 7.1% win rate); Benoni Defense (11 games, 36.4% win rate). The full breakdown of 127 games with White is in the table above.
What openings does Arnar Milutin Heidarsson play as Black?
As Black, Arnar Milutin Heidarsson most often plays: Sicilian: Najdorf (17 games, 47.1% win rate); English Opening: Reverse Sicilian (8 games, 25.0% win rate); Sicilian: Closed (6 games, 33.3% win rate). See the table above for the top ten Black openings across 120 games.
What is Arnar Milutin Heidarsson's FIDE rating?
Arnar Milutin Heidarsson is currently rated 2,104 in classical chess, 2,169 in rapid and 2,256 in blitz. Peak classical rating: 2,123 (Apr 2023).
How many games has Arnar Milutin Heidarsson played?
Our database contains 247 games by Arnar Milutin Heidarsson, covering Mar 2015 to Aug 2026. Overall record: 92 wins, 43 draws, 112 losses (37.2% win rate).
How do I prepare against Arnar Milutin Heidarsson?
247 games by Arnar Milutin Heidarsson 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.