Male
FIDE ID:
Guillaume Sermier
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| TCh-SUI 2026 | 03/15/2026 | 2327 |  Switzerland |
| TCh-SUI 2022 | 05/01/2022 | 2319 | Switzerland |
| TCh-SUI 2021 | 08/29/2021 | 2321 | Switzerland |
| TCh-SUI 2019 | 03/10/2019 | 2360 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| C18 | French, Winawer, advance variation | 9 games |
| D02 | Queen's pawn game | 8 games |
| A31 | English, symmetrical, Benoni formation | 6 games |
| B06 | Robatsch (modern) defence | 6 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C02 | French, advance variation | 10 games |
| D06 | Queen's Gambit | 7 games |
| C07 | French, Tarrasch, open variation | 6 games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 5 games |
