Sebastian Halfhide
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dutch League 2021-22 | 09/18/2021 | 2346 | Netherlands |
| Dutch League 2019-20 | 09/28/2019 | 2347 | Netherlands |
| 44th Seville Open 2019 | 01/11/2019 | 2276 | Spain |
| 5th Srefidensi Masters | 11/21/2017 | 2298 | Suriname |
Most Played Openings as White
| ECO | Opening | Games |
| C67 | Ruy Lopez, Berlin defence, open variation | 1 games |
| B60 | Sicilian, Richter-Rauzer | 1 games |
| B62 | Sicilian, Richter-Rauzer, 6...e6 | 1 games |
| B07 | Pirc defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B40 | Sicilian defence | 2 games |
| A04 | Reti opening | 1 games |
| B47 | Sicilian, Taimanov (Bastrikov) variation | 1 games |
| C90 | Ruy Lopez, closed (with ...d6) | 1 games |
Netherlands
Male
FIDE ID:

Spain
Suriname