Male
FIDE ID:
Onno Elgersma
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dutch League 2025-26 | 09/20/2025 | 2345 |  Netherlands |
| Tata Steel Top Tienkamp | 01/23/2026 | 2411 | Netherlands |
| 61st Groningen Open 2025 | 12/21/2025 | 2287 | Netherlands |
| 17th BPB Limburg Open | 06/06/2025 | 2252 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 5 games |
| B41 | Sicilian, Kan variation | 4 games |
| A07 | Reti, King's Indian attack (Barcza system) | 4 games |
| C10 | French, Paulsen variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 9 games |
| E06 | Catalan, closed, 5.Nf3 | 5 games |
| C11 | French defence | 5 games |
| C00 | French defence | 4 games |
