The United States remained perfect at the world junior hockey championships with a 3-2 win over Russia on Saturday.
At Liberec, Czech Republic, Tyler Ruegsegger, James vanRiemsdyk and Mike Carman scored to help the United States improve to 3-0 in Group B.
Alexei Cherapanov and Viktor Tikhonov scored for Russia.
The United States leads the group with nine points, Russia remains on six.
In the other Group B game, Finland routed Kazakhstan 5-0.
Joonas Kemppainen scored twice for the Finns and Juuso Puustinen scored his third goal of the tournament.
Nico Aaltonen and Niclas Lucenius also scored for Finland.
Seattle Thunderbirds goalie Riku Helenius made 15 saves for the shutout,
In Group A action in Pardubice, Czech Republic, the host Czech team beat Slovakia 5-2. With one more group game to play, Slovakia and Kazakhstan have no chance to advance to the quarter-finals and will play in the relegation round.
Jakub Sklenar scored twice for the Czechs and Michael Frolik had his fourth tournament goal as the hosts jumped to a commanding 4-0 lead in the second period.
The Slovaks then answered with Oliver Duris at 38:17 and Erik Caladi made it 4-2 on a power play goal. Martin Latal gave the Czechs the final goal 2:07 later.