Sjurdur Thorsteinsson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ch-FAI 2019 | 04/13/2019 | 2310 | |
| 6th Llucmajor Open 2017 | 05/14/2017 | 2277 | Spain |
| 42nd Olympiad 2016 | 09/02/2016 | 2153 | Azerbaijan |
| 50th TCh-DEN XtraCon 2011-12 | 10/29/2011 | 2301 | Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| B26 | Sicilian, closed, 6.Be3 | 4 games |
| B43 | Sicilian, Kan, 5.Nc3 | 3 games |
| C24 | Bishop's opening, Berlin defence | 2 games |
| B32 | Sicilian defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E92 | King's Indian, classical variation | 3 games |
| B96 | Sicilian, Najdorf, 7.f4 | 3 games |
| A48 | King's Indian, East Indian defence | 3 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 3 games |
Male
FIDE ID:

Spain
Azerbaijan
Denmark