Oliver Wahlstrom (New York Islanders) and Alexander Chmelevski (San Jose Sharks) scored for the United States, which eliminated Russia for the third consecutive year (semifinals in 2017, quarter finals in 2018) and will play Finland, a semi-final winner 6 -1 Switzerland, Saturday (8 pm ET, NHLN, TSN).
"It's a pretty emotional tour and obviously a game like this is quite emotional, so I'm not trying to get up too much, I'm not trying to go down the key," Primeau said. "The goal is gold, so we are not finished yet. The battle is still there, so it's an honor and doing it with this group is something special."
The United States is 8-1-0-12 against Russia in the tournament.
Grigori Denisenko (Florida Panthers) scored and Piotr Kochetkov made 25 rescues for Russia, who lost for the first time in six tournament games and will play the winner of the Finland / Switzerland game for the bronze medal.
"It is a great disappointment, but it is a new day [Saturday], a new game, "said a Russian prosecutor, Kirill Slepets, through a translator." Our team is one of the best here. I was a little unlucky. We will fight for the bronze medal.
Denisenko gave Russia a 1-0 advantage at 12:13 in the first period, but a video analysis determined it redirected the puck into the net with its skate, which is not allowed under the IIHF rules.
Wahlstrom gave the United States a 1-0 lead at 14:29 from the first one minute from the straight circle on a pass from Logan Cockerill (Islanders).
Chmelevski made 2-0, with a power goal on a pass from Jack Hughes (2019 NHL Draft eligible) at 4:20 in the second period.
"Eventually it was a bit nervous and it's very hard to play because they have a lot of high-quality skill," Hughes said. "It was nice to come out with victory. We will have the same efforts [Saturday]. "
Denisenko lowered to 2-1 at 13:36 from a low level in the straight circle, in a blow that beat Primeau (Montreal Canadiens) over his left shoulder.
The Russian Federation Klim Kostin (St Louis Blues) almost linked 1:12 in the third period when he shot the power play sounded behind Primeau, but Philip Kemp (Edmonton Oilers), the American defender, eliminated the puck with his stick before crossing the goal line.
"I saw a guy take a shot and then I hit Primeau and I lost a bit," Kemp said. "Then I saw we went downstairs and knew I had to knock on the stick of the guy who was in the brace, so I just tried to give him a low position and get him out.
"To be honest, I did not really think, but just the instincts. I do not know if it was from practice, muscle or not, but that was a huge game for us."
They were given 15 economies in the third period to keep the lead.
"He has given us comfort when we need him," said US coach Mike Hastings. "When you play a team as good as Russia, they will get their chances, and you need the last line of defense to be there for you to let you kidnap at times."
Russia entered the 5-for-16 game on power play (31.3%), but won 0-for-2 against the United States, who was convicted on the tournament (12-for-13, 92.3% ).
"The best punishment killer must be target, and [Primeau] was [Friday]"Hastings said.
Video: The United States moves to the gold medal after winning compared to Russia
Finland 6, Switzerland 1
Aarne Talvitie (New Jersey Devils) scored twice and Aleski Heponiemi (Florida Panthers) had a goal and three assists to help Finland defeat Switzerland 6-1 in the semifinals of the junior championship of IIHF 2019 at Rogers Arena.
Finland will play in the United States on Saturday for the championship.
"Of course they are favorites, but I think we have a good chance if we fight hard and we are the boys who control the puck," said Finland coach Jussi Ahokas. "We played better and better after each game."
Rasmus Kupari (Los Angeles Kings) had a goal and two assists, Jesse Ylonen (Montreal Canadiens) and Henri Jokiharju (Chicago Blackhawks) scored, and Ukko-Pekka Luukkonen (Buffalo Sabers) made 16 shots for Finland, which surpassed Switzerland 33-17.
"We have a few goals from the start so he has given us confidence to play through the game," Talvitie said. "It was good that we scored a few goals, it was an impulse for our confidence."
Philipp Kurashev (Chicago Blackhawks) scored the sixth goal of the Swiss tournament, which ranks third in Russia.
"The team that wants more will win and leave everything on the ice," said Swiss defender Simon le Coultre.
Switzerland made the semifinal with a 2-0 suffocation from Sweden and 41 wins from Luca Hollenstein, but the NHL draft-eligible 2019 goalkeeper was shot after four goals on eight shots in 7:43 on Friday.
Ylonen, the secondary selection (No. 35) in the NHL Project in 2018, scored 40 seconds in the game and Talvitie, scored in the sixth round (n ° 160) of the NHL 2017 Project, scored 2:01 bringing the score to 3 -0.
Jokiharju, who was elected 29th in the 2017 projection and played 32 matches for Blackhawks this season, scored on a power game to make 4-0.
Akira Schmid (Devils) made 23 rescue for Switzerland, which won the only WJC medal in 1998 (bronze). Russia defeated Switzerland 7-4 in the preliminary round; the game was bound 3-3 after two periods.
"We've played a good 40-minute match," Coultre said. "Now we have to play 60."