Favourite Daniela Meuli completed a Swiss hat-trick of snowboard gold medals with victory in the women's parallel giant-slalom.
The reigning world champion stormed to victory to add to Tanja Frieden's success in the snowboard cross and Philipp Schoch's win - over his brother – in the men's parallel giant-slalom yesterday.
Meuli said: "It was fantastic to see the two Schoch brothers on the podium and it made me feel so hot today. It was a really, really great day."
Germany's Amelie Kober took a surprise silver medal ahead of American Rosey Fletcher, who beat Doris Guenther of Austria in the bronze medal race-off.
Army captain Svetlana Ishmouratova celebrated Russia's Military Day by leading her team to an emphatic gold medal success in the women's 4x6km biathlon relay.
Ishmouratova pulled away from the field on the final leg to finish over 50 seconds ahead of second-placed Germany, while France overhauled Norway to claim bronze.