Jonatan Leo Dadason
ISL · FIDE ID 2336308 · 9 tournament games since 2026
Standard
1694
#324 in ISL (active)
Rapid
1739
#278 in ISL (active)
Blitz
1709
#379 in ISL (active)
Score
33%
2 W · 2 D · 5 L
Opp. avg
1705
Last 9 games
Last game
2026-09-19
Haustmót TR 2026
Prep summary
- As White: 1.d4 in 80% of games (scores 38%), otherwise 1.e4 (20%).
- Against 1.e4: 1...e5 in 3 of 3 games (King's Pawn Game), scoring 50%.
Based on 9 over-the-board games (8 rapid · 1 classical). 5 with White (30%), 4 with Black (38%).
Openings as White
First move
| 1.d4 | 4 | 38% |
| 1.e4 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Petrov's Defense: Cozio Attack | 1 | 0% |
| Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | 1 | 0% |
| Queen's Gambit Accepted: Central Variation, Alekhine System | 1 | 100% |
| Dutch Defense: Queen's Knight Variation | 1 | 0% |
| Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 | 50% |
Openings as Black
Against 1.e4 (3 games)
| 1...e5 King's Pawn Game | 3 | 50% |
Against 1.d4 (1 game)
| 1...d5 Queen's Pawn Game | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Petrov's Defense: Modern Attack | 1 | 50% |
| King's Gambit | 1 | 0% |
| Petrov's Defense: French Attack | 1 | 100% |
| Queen's Gambit Declined: Charousek Variation | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-09-19 | Anh Hai Tran (1854) Haustmót TR 2026 · classical | L |
| 2026-05-10 | Petur Ulfar Ernisson (1815) Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | ½ |
| 2026-05-10 | Halldora Jonsdottir (1544) Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | L |
| 2026-05-10 | Jokull Mar Ingvarsson Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | L |
| 2026-05-10 | Eythor Ingi Heidarsson Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | W |
| 2026-05-09 | Nokkvi Mar Valsson (1579) Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | W |
| 2026-05-09 | Karma Halldorsson (1719) Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | L |
| 2026-05-09 | Haukur Vidis Leosson (1921) Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | L |
| 2026-05-09 | Katrin Osk Tomasdottir (1504) Landsmótið í skólaskák 2026 | Aðalkeppni · rapid | ½ |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.