Dominik Bokk scored two times, consisting of the winner on the power play at 7:33 of the 3rd period, to assist Germany upset host Czech Republic 4-3 at the world junior hockey championship on Saturday.
Lukas Reichel and John Peterka were the other goal scorers for Germany (1-0-0-1).
Libor Zabranksy, Jan Jenik and Martin Has responded for Czech Republic (1-0-0-1).
Hane Hendrick made 27 conserves in victory.
Lukas Dostal turned aside 21-of-25 shots in defeat.
The Czech converted simply 2 of 10 power-play opportunities, while the Germans went 3 for 7 with the guy benefit.
Germany will next deal with Canada in round-robin action on Monday, while the Czech Republic will face team USA later on that day.
Canada crushed, Lafreniere hurt
Canada lost star winger Alexis Lafreniere to an apparent knee injury, before being shutout 6-0 by the Russians on a disastrous night for one of the tournament favourites. Lafreniere's left knee twisted awkwardly below him as he was up to the ice after an accident with Russia goalie Amir Miftakhov. The 18 year old went directly to the locker space and did not return. The nothing was likewise the first time considering that Dec. 27, 1998 that Canada was held scoreless at the world juniors-- snapping a streak of 134 straight games.
Next: Russia vs. United States on Sunday, Canada vs. Germany on Monday
Finland blows out Slovakia
Forward Aku Raty recorded a couple goals, while his sibling Aatu Raty, Joonas Oden, and Patrik Puistola each added a goal and a help as Finland (1-0-1-0) completed an 8-1 thrashing of Slovakia (1-0-0-1). Justus Annunen made 25 in what was Finland's very first win of the tournament. The defending champions dropped their opener to Sweden 3-2 in overtime.
Next: Finland vs. Kazakhstan on Sunday, Czech Republic vs. United States on Monday
Sweden remains unbeaten
Samuel Fagemo had a set of goals as Sweden (1-1-0-0) stayed unbeaten with a 5-2 victory over Switzerland (1-0-0-1), winning its 50th successive group stage video game at the world juniors. Nils Hoglander and Lucas Raymond each contributed a goal and a help. The triumph assists avenge Switzerland's 2-0 quarter-final upset over Sweden at last year's event in Victoria.
Next: Sweden vs. Kazakhstan on Monday, Switzerland vs. Slovakia on Monday