Prepare against Mikael Bjarki Heidarsson
Iceland · World #22,922 classical · FIDE ID 2317532
When preparing against Mikael Bjarki Heidarsson, expect 1.d4 in 86% of White games. Against 1.e4 the reply is 1...c6 (63% of games); against 1.d4, 1...Nf6 (73%).
Our database contains 155 games by Mikael Bjarki Heidarsson, covering Nov 2018 to Sep 2026. Below you'll find Mikael Bjarki Heidarsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mikael Bjarki 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 | 2,034 | 2,034 | Sep 2026 |
| Rapid | 1,965 | 2,107 | Aug 2025 |
| Blitz | 1,948 | 1,948 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 155 | 53 | 15 | 87 | 34.2% |
| As White | 78 | 27 | 9 | 42 | 34.6% |
| As Black | 77 | 26 | 6 | 45 | 33.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mikael Bjarki Heidarsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mikael Bjarki Heidarsson's side.
First moves as White (78 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 67 | 85.9% | 41.0% |
| e4 | 9 | 11.5% | 33.3% |
| c4 | 1 | 1.3% | 0.0% |
| Nf3 | 1 | 1.3% | 100.0% |
Main lines as White
- 1.d4 — 86% of White games, 41.0% score
- …Nf6 (51% of these games) — Heidarsson usually continues c4 (38.3% score)
- …d5 (36% of these games) — Heidarsson usually continues c4 (47.6% score)
- …e6 (4% of these games) — Heidarsson usually continues c4 (33.3% score)
- 1.e4 — 12% of White games, 33.3% score
- …e5 (44% of these games) — Heidarsson usually continues Nf3 (50.0% score)
- …c5 (33% of these games) — Heidarsson usually continues Nf3 (0.0% score)
- …d5 (22% of these games) — Heidarsson usually continues exd5 (50.0% score)
As Black against 1.e4 (30 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 19 | 63.3% | 55.3% |
| c5 | 5 | 16.7% | 40.0% |
| e6 | 3 | 10.0% | 66.7% |
| e5 | 3 | 10.0% | 33.3% |
As Black against 1.d4 (30 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 22 | 73.3% | 31.8% |
| d5 | 3 | 10.0% | 33.3% |
| c5 | 3 | 10.0% | 33.3% |
| b6 | 1 | 3.3% | 0.0% |
| e6 | 1 | 3.3% | 0.0% |
Mikael Bjarki Heidarsson's chess games
All 155 games by Mikael Bjarki Heidarsson in the Chess.ceo database (Nov 2018 - Sep 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: 53 wins, 15 draws, 87 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 11 | 5/1/5 | 45.5% |
| A59 | Benoni Defense | 8 | 1/2/5 | 12.5% |
| E01 | Catalan | 6 | 0/1/5 | 0.0% |
| A40 | London System | 5 | 3/0/2 | 60.0% |
| E61 | King's Indian Defense | 5 | 1/1/3 | 20.0% |
| D20 | Queen's Gambit Accepted | 4 | 1/1/2 | 25.0% |
| D35 | Indian Defense | 4 | 2/1/1 | 50.0% |
| E73 | King's Indian Defense: Averbakh System | 3 | 1/0/2 | 33.3% |
| E16 | Queen's Indian Defense | 3 | 2/0/1 | 66.7% |
| D31 | Semi-Slav Defense | 3 | 1/1/1 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B13 | Caro-Kann: Exchange Variation | 6 | 4/0/2 | 66.7% |
| A43 | Benoni Defense | 5 | 1/0/4 | 20.0% |
| D02 | Queen's Pawn Game | 5 | 3/1/1 | 60.0% |
| D02 | London System | 4 | 1/0/3 | 25.0% |
| E00 | Catalan | 4 | 1/1/2 | 25.0% |
| B11 | Caro-Kann: Two Knights Variation | 4 | 1/0/3 | 25.0% |
| B10 | Caro-Kann | 3 | 2/1/0 | 66.7% |
| B12 | Caro-Kann: Advance Variation | 3 | 2/0/1 | 66.7% |
| A15 | English Opening | 3 | 0/1/2 | 0.0% |
| A00 | Hungarian Opening | 3 | 0/0/3 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2026 | Tim P Wall | 2,189 | Reykjavik Open 2026 | D02 |
| Mar 2026 | Vinjar Hammari | 2,135 | Reykjavik Open 2026 | B12 |
| Sep 2026 | Haukur Vidis Leosson | 1,945 | Haustmót TR 2026 | B22 |
| Apr 2026 | Sigurbjorn Hermannsson | 1,898 | Boðsmót T.R. 2026 B-flokkur | A07 |
| Apr 2023 | Adam Omarsson | 1,890 | Reykjavik Open | E73 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2025 | 27 | 13 | 1,909 |
| Reykjavik Taflfelag Open | 2019 | 11 | 3 | 1,226 |
| 21st ch-EU | 2021 | 11 | 4.5 | 1,653 |
| Reykjavik Blitz Open | 2022 | 10 | 4 | 1,812 |
| ch-EU Hybrid U12 | 2021 | 9 | 4 | 1,207 |
| Reykjavik Congress | 2020 | 9 | 4 | 1,654 |
| Reykjavik Open 2026 | 2026 | 9 | 5.5 | 2,085 |
| ch-EU Online U12 | 2020 | 9 | 2.5 | 1,362 |
Interactive opening tree from all 155 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mikael Bjarki Heidarsson's chess games?
155 games by Mikael Bjarki Heidarsson, from Nov 2018 to Sep 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 Mikael Bjarki Heidarsson has played.
What does Mikael Bjarki Heidarsson play on the first move as White?
Across 78 games with White in our database, Mikael Bjarki Heidarsson opens with 1.d4 (86% of games), 1.e4 (12% of games), 1.c4 (1% of games). Against 1.e4 as Black, Mikael Bjarki Heidarsson answers 1...c6 (63% of games), 1...c5 (17% of games), 1...e6 (10% of games). Against 1.d4: 1...Nf6 (73% of games), 1...d5 (10% of games), 1...c5 (10% of games).
What openings does Mikael Bjarki Heidarsson play as White?
As White, Mikael Bjarki Heidarsson's most-played openings in our database are: Slav Defense (11 games, 45.5% win rate); Benoni Defense (8 games, 12.5% win rate); Catalan (6 games, 0.0% win rate). The full breakdown of 78 games with White is in the table above.
What openings does Mikael Bjarki Heidarsson play as Black?
As Black, Mikael Bjarki Heidarsson most often plays: Caro-Kann: Exchange Variation (6 games, 66.7% win rate); Benoni Defense (5 games, 20.0% win rate); Queen's Pawn Game (5 games, 60.0% win rate). See the table above for the top ten Black openings across 77 games.
What is Mikael Bjarki Heidarsson's FIDE rating?
Mikael Bjarki Heidarsson is currently rated 2,034 in classical chess, 1,965 in rapid and 1,948 in blitz. Peak classical rating: 2,034 (Sep 2026).
How many games has Mikael Bjarki Heidarsson played?
Our database contains 155 games by Mikael Bjarki Heidarsson, covering Nov 2018 to Sep 2026. Overall record: 53 wins, 15 draws, 87 losses (34.2% win rate).
How do I prepare against Mikael Bjarki Heidarsson?
155 games by Mikael Bjarki 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.