Russia's Ivan Muranov (L) and Switzerland's goalie Akira Schmid vie for the puck at the IIHF World Junior Championships in Vancouver, Canada, Dec. 30, 2018. Russia won the preliminary match 7-4. (Photos: Xinhua)

Russia's Vasili Podkolzin (L) and Switzerland's goalie Akira Schmid vie for the puck at the IIHF World Junior Championships in Vancouver, Canada, Dec. 30, 2018. Russia won the preliminary match 7-4.

Switzerland's Matthew Verboon clears the puck during the match against Russia at the IIHF World Junior Championships in Vancouver, Canada, Dec. 30, 2018. Russia won the preliminary match 7-4.

Russia's goalie Danil Tarasov tries to stop the puck during the match against Switzerland at the IIHF World Junior Championships in Vancouver, Canada, Dec. 30, 2018. Russia won the preliminary match 7-4.

Russia's goalie Danil Tarasov eyes on the puck during the match against Switzerland at the IIHF World Junior Championships in Vancouver, Canada, Dec. 30, 2018. Russia won the preliminary match 7-4.

Russia's Vitali Kravtsov (R) and teammates celebrate after scoring against Switzerland at the IIHF World Junior Championships in Vancouver, Canada, Dec. 30, 2018. Russia won the preliminary match 7-4.