Prepare against Hallgerdur Thorsteinsdottir
WFM · Iceland · World #28,511 classical · FIDE ID 2302454
When preparing against Hallgerdur Thorsteinsdottir, expect 1.e4 in 88% of White games. Against 1.e4 the reply is 1...c6 (91% of games); against 1.d4, 1...Nf6 (95%). Lowest win rate among frequent openings: Sicilian: Moscow Variation as White, 21.1% over 19 games.
Our database contains 418 games by Hallgerdur Thorsteinsdottir, covering Jul 2005 to Sep 2026. Below you'll find Hallgerdur Thorsteinsdottir's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Hallgerdur Thorsteinsdottir 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 | 1,995 | 2,070 | Jan 2026 |
| Rapid | 1,921 | 1,949 | Oct 2013 |
| Blitz | 2,009 | 2,076 | Jul 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 418 | 159 | 94 | 165 | 38.0% |
| As White | 219 | 92 | 51 | 76 | 42.0% |
| As Black | 199 | 67 | 43 | 89 | 33.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Hallgerdur Thorsteinsdottir's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Hallgerdur Thorsteinsdottir's side.
First moves as White (219 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 193 | 88.1% | 57.0% |
| d4 | 26 | 11.9% | 28.8% |
Main lines as White
- 1.e4 — 88% of White games, 57.0% score
- …c5 (46% of these games) — Thorsteinsdottir usually continues Nf3 (49.4% score)
- …e5 (26% of these games) — Thorsteinsdottir usually continues Nf3 (69.8% score)
- …c6 (8% of these games) — Thorsteinsdottir usually continues d4 (53.3% score)
- 1.d4 — 12% of White games, 28.8% score
- …Nf6 (50% of these games) — Thorsteinsdottir usually continues c4 (19.2% score)
- …d5 (38% of these games) — Thorsteinsdottir usually continues c4 (50.0% score)
- …Nc6 (4% of these games) — Thorsteinsdottir usually continues c4 (0.0% score)
As Black against 1.e4 (113 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 103 | 91.2% | 46.1% |
| d5 | 5 | 4.4% | 70.0% |
| d6 | 2 | 1.8% | 25.0% |
| e5 | 2 | 1.8% | 0.0% |
| c5 | 1 | 0.9% | 0.0% |
As Black against 1.d4 (61 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 58 | 95.1% | 48.3% |
| d5 | 3 | 4.9% | 66.7% |
Hallgerdur Thorsteinsdottir's chess games
All 418 games by Hallgerdur Thorsteinsdottir in the Chess.ceo database (Jul 2005 - 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: 159 wins, 94 draws, 165 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 34 | 15/7/12 | 44.1% |
| C55 | Italian Game | 24 | 12/5/7 | 50.0% |
| B52 | Sicilian: Moscow Variation | 19 | 4/4/11 | 21.1% |
| C06 | French: Tarrasch Variation | 14 | 8/2/4 | 57.1% |
| B31 | Sicilian: Rossolimo | 13 | 7/3/3 | 53.8% |
| C54 | Italian Game: Classical Variation | 12 | 10/2/0 | 83.3% |
| B22 | Sicilian: Alapin | 11 | 5/3/3 | 45.5% |
| C54 | Italian Game: Giuoco Pianissimo | 8 | 4/2/2 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 8 | 3/2/3 | 37.5% |
| B27 | Sicilian: Hyperaccelerated Dragon | 8 | 2/2/4 | 25.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B19 | Caro-Kann: Classical | 30 | 10/7/13 | 33.3% |
| D85 | Grünfeld Defense | 28 | 11/7/10 | 39.3% |
| B13 | Caro-Kann: Exchange Variation | 26 | 9/7/10 | 34.6% |
| B12 | Caro-Kann: Advance Variation | 15 | 5/5/5 | 33.3% |
| B10 | Caro-Kann | 14 | 5/1/8 | 35.7% |
| B11 | Caro-Kann: Two Knights Variation | 10 | 3/3/4 | 30.0% |
| D77 | Indian Defense | 9 | 3/2/4 | 33.3% |
| A16 | English Opening | 9 | 1/2/6 | 11.1% |
| B17 | Caro-Kann: Karpov Variation | 6 | 3/2/1 | 50.0% |
| E12 | Queen's Indian Defense | 6 | 1/0/5 | 16.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2010 | Gudmundur Gislason | 2,348 | chT-ISL 0910 | D85 |
| Mar 2018 | Bjorgvin Jonsson | 2,346 | chT2-ISL 1718 | B12 |
| Mar 2012 | Lenka Ptacnikova | 2,289 | Reykjavik Open | B01 |
| Dec 2020 | Katarzyna Toma | 2,289 | EU-Cup Online Gr-C w | B31 |
| Dec 2020 | Olga Babiy | 2,287 | EU-Cup Online Gr-C w | B11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2025 | 86 | 43.5 | 1,988 |
| Titled Tuesday | 2025 | 29 | 12 | 2,079 |
| ch-Reykjavik | 2012 | 27 | 15.5 | 2,012 |
| Olympiad Women-41 | 2014 | 11 | 6.5 | 2,122 |
| Olympiad Women-39 | 2010 | 11 | 5.5 | 2,176 |
| Wch U16 Girls | 2007 | 10 | 4 | 1,974 |
| Olympiad Women-40 | 2012 | 10 | 3.5 | 1,928 |
| Olympiad Women-45 | 2024 | 10 | 7 | 2,121 |
Interactive opening tree from all 418 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Hallgerdur Thorsteinsdottir's chess games?
418 games by Hallgerdur Thorsteinsdottir, from Jul 2005 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 Hallgerdur Thorsteinsdottir has played.
What does Hallgerdur Thorsteinsdottir play on the first move as White?
Across 219 games with White in our database, Hallgerdur Thorsteinsdottir opens with 1.e4 (88% of games), 1.d4 (12% of games). Against 1.e4 as Black, Hallgerdur Thorsteinsdottir answers 1...c6 (91% of games), 1...d5 (4% of games), 1...d6 (2% of games). Against 1.d4: 1...Nf6 (95% of games), 1...d5 (5% of games).
What openings does Hallgerdur Thorsteinsdottir play as White?
As White, Hallgerdur Thorsteinsdottir's most-played openings in our database are: Sicilian (34 games, 44.1% win rate); Italian Game (24 games, 50.0% win rate); Sicilian: Moscow Variation (19 games, 21.1% win rate). The full breakdown of 219 games with White is in the table above.
What openings does Hallgerdur Thorsteinsdottir play as Black?
As Black, Hallgerdur Thorsteinsdottir most often plays: Caro-Kann: Classical (30 games, 33.3% win rate); Grünfeld Defense (28 games, 39.3% win rate); Caro-Kann: Exchange Variation (26 games, 34.6% win rate). See the table above for the top ten Black openings across 199 games.
What is Hallgerdur Thorsteinsdottir's FIDE rating?
Hallgerdur Thorsteinsdottir is currently rated 1,995 in classical chess, 1,921 in rapid and 2,009 in blitz. Peak classical rating: 2,070 (Jan 2026).
How many games has Hallgerdur Thorsteinsdottir played?
Our database contains 418 games by Hallgerdur Thorsteinsdottir, covering Jul 2005 to Sep 2026. Overall record: 159 wins, 94 draws, 165 losses (38.0% win rate).
How do I prepare against Hallgerdur Thorsteinsdottir?
418 games by Hallgerdur Thorsteinsdottir 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.