Vladimir Tarasenko scored twice and Chris Stewart tied it with 6:27 remaining in regulation for St. Louis, which entered tied for the fewest regulation losses in the league with six and have now won three straight and four of five. Brenden Morrow added two assists and Jaroslav Halak made 30 saves for the Blues.
On the winner, Columbus lost the puck at its blue line. Backes took it, fended off Fedor Tyutin on a delayed penalty call then deked Mike McKenna and calmly scored with a high shot.
It's not always going to be pretty, especially against a great goalie [Lundqvist] like that. My goals are never how you draw them up. It's just a matter of grinding it out and trying to create havoc in front and good things happen.
— Capitals forward Jay Beagle on scoring in their Game 3 victory against the Rangers on Monday