Each day at the 2026 Biel Chess Festival, participants of the open tournaments can submit their games for a chance to win the Game of the Day award. The following games and players were chosen as the Game of the Day by vote on social media:
| Game of the Day 1 | IM Christian Glöckler vs. Augustin Gerrits | |
| Game of the Day 2 | Alexandru Gheorghiu vs. Beat Binder | |
| Game of the Day 3 | FM Levi Fogo Esquivel vs. Arshavir Musaelyan | |
| Game of the Day 4 | Noe Köhler vs. Yves Oesch | |
| Game of the Day 5 | GM Ghosh Diptayan vs. WGM Nguyen Thi Mai Hung | |
| Game of the Day 6 | Suvirr Malli vs. FM Benedict Hasenohr |