Jeroen Louis Koster
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 42nd Olympiad 2016 | 09/02/2016 | 2153 | Azerbaijan |
| 41st Olympiad Open 2014 | 08/02/2014 | 2071 | Norway |
| 40th Olympiad Open | 08/28/2012 | 2100 | Turkey |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 2 games |
| C44 | King's pawn game | 2 games |
| A16 | English opening | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A84 | Dutch defence | 2 games |
| A46 | Queen's pawn game | 2 games |
| C11 | French defence | 1 games |
| C01 | French, exchange variation | 1 games |
Mauritius
Male
FIDE ID:

Azerbaijan
Norway
Turkey