Prepare against Josef Omarsson
Iceland · World #15,104 classical · FIDE ID 2316102
When preparing against Josef Omarsson, expect 1.d4 in 97% of White games. Against 1.e4 the reply is 1...c5 (49% of games); against 1.d4, 1...Nf6 (76%). Lowest win rate among frequent openings: Pirc Defense as Black, 24.0% over 25 games.
Our database contains 275 games by Josef Omarsson, covering Apr 2018 to Sep 2026. Below you'll find Josef Omarsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Josef Omarsson 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 | 2,105 | 2,130 | Sep 2025 |
| Rapid | 2,088 | 2,088 | Sep 2026 |
| Blitz | 1,921 | 2,044 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 275 | 89 | 42 | 144 | 32.4% |
| As White | 140 | 48 | 23 | 69 | 34.3% |
| As Black | 135 | 41 | 19 | 75 | 30.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Josef Omarsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Josef Omarsson's side.
First moves as White (140 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 136 | 97.1% | 43.0% |
| Nf3 | 3 | 2.1% | 33.3% |
| e4 | 1 | 0.7% | 0.0% |
Main lines as White
- 1.d4 — 97% of White games, 43.0% score
- …Nf6 (49% of these games) — Omarsson usually continues c4 (48.5% score)
- …d5 (41% of these games) — Omarsson usually continues c4 (56.0% score)
- …c5 (4% of these games) — Omarsson usually continues d5 (50.0% score)
- 1.Nf3 — 2% of White games, 33.3% score
- …d5 (67% of these games) — Omarsson usually continues g3 (50.0% score)
- …Nf6 (33% of these games) — Omarsson usually continues d4 (50.0% score)
As Black against 1.e4 (68 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 33 | 48.5% | 36.4% |
| d6 | 25 | 36.8% | 36.0% |
| e5 | 6 | 8.8% | 66.7% |
| g6 | 4 | 5.9% | 25.0% |
As Black against 1.d4 (50 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 38 | 76.0% | 36.8% |
| d6 | 8 | 16.0% | 50.0% |
| d5 | 4 | 8.0% | 37.5% |
Josef Omarsson's chess games
All 275 games by Josef Omarsson in the Chess.ceo database (Apr 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: 89 wins, 42 draws, 144 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 47 | 16/6/25 | 34.0% |
| A48 | Indian Defense | 22 | 9/0/13 | 40.9% |
| E46 | Nimzo-Indian: Rubinstein System | 15 | 4/5/6 | 26.7% |
| D10 | Slav Defense | 9 | 5/1/3 | 55.6% |
| D02 | Queen's Pawn Game | 8 | 2/1/5 | 25.0% |
| D32 | Queen's Gambit Declined | 6 | 2/2/2 | 33.3% |
| A44 | Benoni Defense | 6 | 1/0/5 | 16.7% |
| E76 | King's Indian Defense: Four Pawns Attack | 5 | 1/2/2 | 20.0% |
| D31 | Semi-Slav Defense | 3 | 1/1/1 | 33.3% |
| D80 | Grünfeld Defense | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 25 | 6/6/13 | 24.0% |
| A48 | Indian Defense | 13 | 5/0/8 | 38.5% |
| B30 | Sicilian: Rossolimo | 10 | 2/2/6 | 20.0% |
| A48 | King's Indian Defense | 10 | 0/1/9 | 0.0% |
| B33 | Sicilian: Sveshnikov | 10 | 3/2/5 | 30.0% |
| E91 | King's Indian Defense: Orthodox Variation | 9 | 4/0/5 | 44.4% |
| A48 | London System | 5 | 2/1/2 | 40.0% |
| A16 | English Opening | 5 | 2/0/3 | 40.0% |
| E73 | King's Indian Defense: Averbakh System | 5 | 1/1/3 | 20.0% |
| B30 | Sicilian | 5 | 1/0/4 | 20.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2025 | Bjorn Thorfinnsson | 2,367 | Icelandic Open 100yr | B07 |
| Apr 2026 | Patryk Rekuc | 2,280 | 26th ch-EUR Indiv 2026 | E93 |
| Apr 2025 | Joshua Colas | 2,275 | Reykjavik Open | D31 |
| Sep 2026 | Bardur Orn Birkisson | 2,254 | Haustmót TR 2026 | E62 |
| Jul 2023 | Fanghui Sun | 2,228 | 16th Paracin Open | D85 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2025 | 28 | 12.5 | 1,897 |
| 26th ch-EUR Indiv 2026 | 2026 | 11 | 4.5 | 2,100 |
| World Youth Open U14 2024 | 2024 | 11 | 5.5 | 1,952 |
| Wch U12 | 2023 | 11 | 4 | 1,315 |
| Reykjavik Blitz Open | 2022 | 10 | 3 | 1,561 |
| 17th Prague Golden Blitz Open | 2022 | 10 | 4.5 | 1,792 |
| 21st ch-EU | 2021 | 10 | 2.5 | 1,719 |
| EU-ch Hybrid U10 | 2021 | 9 | 3 | 1,093 |
Interactive opening tree from all 275 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Josef Omarsson's chess games?
275 games by Josef Omarsson, from Apr 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 Josef Omarsson has played.
What does Josef Omarsson play on the first move as White?
Across 140 games with White in our database, Josef Omarsson opens with 1.d4 (97% of games), 1.Nf3 (2% of games), 1.e4 (1% of games). Against 1.e4 as Black, Josef Omarsson answers 1...c5 (49% of games), 1...d6 (37% of games), 1...e5 (9% of games). Against 1.d4: 1...Nf6 (76% of games), 1...d6 (16% of games), 1...d5 (8% of games).
What openings does Josef Omarsson play as White?
As White, Josef Omarsson's most-played openings in our database are: London System (47 games, 34.0% win rate); Indian Defense (22 games, 40.9% win rate); Nimzo-Indian: Rubinstein System (15 games, 26.7% win rate). The full breakdown of 140 games with White is in the table above.
What openings does Josef Omarsson play as Black?
As Black, Josef Omarsson most often plays: Pirc Defense (25 games, 24.0% win rate); Indian Defense (13 games, 38.5% win rate); Sicilian: Rossolimo (10 games, 20.0% win rate). See the table above for the top ten Black openings across 135 games.
What is Josef Omarsson's FIDE rating?
Josef Omarsson is currently rated 2,105 in classical chess, 2,088 in rapid and 1,921 in blitz. Peak classical rating: 2,130 (Sep 2025).
How many games has Josef Omarsson played?
Our database contains 275 games by Josef Omarsson, covering Apr 2018 to Sep 2026. Overall record: 89 wins, 42 draws, 144 losses (32.4% win rate).
How do I prepare against Josef Omarsson?
275 games by Josef Omarsson 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.