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Czech Republic suffered their first defeat of the IIHF Ice Hockey World Championship as they were beaten 2-1 after a shoot-out against Denmark.
The Group A leaders had been peerless, winning five matches in succession before Sunday's reverse.
However, Denmark claimed a second successive shoot-out victory over the Czechs, winning 3-2, having pulled off the same feat in 2014.
The result keeps alive the Danes' hopes of reaching the quarter-finals and Morten Madsen, whose third-period effort cancelled out Tomas Plekanec's opener, said: "We know our abilities and if we play up to our best and we have a good goalie like we have all tournament then we have a chance to beat anyone.
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"We know that we’re a good team if we play like we should."
Sweden punished the Czechs' slip-up, with Andre Burakovsky making an instant impact after flying in from Washington this weekend by converting two penalty shots to Nino Niederreiter's one in a 3-2 shoot-out triumph over Switzerland.
Victory for the Swedes moved them one point above Russia – who have a game in hand – in second spot, while Switzerland sit fourth.
In Group B, Finland hammered Slovakia 5-0 to move three points clear of Canada at the summit, although the defending champions have a game in hand.
Germany, meanwhile, strengthened their position in the top four with a 3-2 win against the United States, climbing above their opponents into third.
The Germans have rallied since losing their opening two matches and have now won three of their last four.
"You can tell we're confident," said centre Felix Schutz. "We're playing good hockey and that's what happens."