Male
FIDE ID:
Ramon Koster
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 61st Groningen Open 2025 | 12/21/2025 | 2287 |  Netherlands |
| 15th London Classic Open | 11/27/2025 | 2314 |  United Kingdom |
| NED-chT 0506 | 09/24/2005 | 2311 | Netherlands |
| Stork Young Masters op | 08/08/2005 | 2438 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| E90 | King's Indian, 5.Nf3 | 8 games |
| A34 | English, symmetrical variation | 4 games |
| D00 | Queen's pawn game | 3 games |
| E04 | Catalan, open, 5.Nf3 | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B33 | Sicilian defence | 6 games |
| B01 | Scandinavian (centre counter) defence | 5 games |
| B90 | Sicilian, Najdorf | 5 games |
| C18 | French, Winawer, advance variation | 4 games |
