Jon Arni Halldorsson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 39th ECC Open 2024 | 10/20/2024 | 2410 | Serbia |
| TCh-ISL Kvika 2022-23 | 10/13/2022 | 2304 | Iceland |
| TCh-ISL Premier 2021-22 | 09/30/2021 | 2226 | Iceland |
| TCh-ISL Div 1 2019-20 | 10/03/2019 | 2257 | Iceland |
Most Played Openings as White
| ECO | Opening | Games |
| A43 | Old Benoni defence | 13 games |
| A48 | King's Indian, East Indian defence | 9 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 8 games |
| D03 | Torre attack (Tartakower variation) | 7 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C02 | French, advance variation | 12 games |
| C01 | French, exchange variation | 8 games |
| C00 | French defence | 8 games |
| C06 | French, Tarrasch, closed variation, main line | 6 games |
Iceland
Male
FIDE ID:

Serbia