Jonas Hiller made 49 saves and Mikael Backlund scored at 4:35 of overtime, lifting the Calgary Flames to a 2-1 victory over the Chicago Blackhawks on Wednesday night.
Dennis Wideman also scored for the Flames, who were coming off a 3-2 win at Nashville on Tuesday.
The Blackhawks controlled the action for much of the night, enjoying a whopping 50-18 advantage in shots on goal. But Hiller was outstanding and Backlund used a wrist shot to beat Corey Crawford on his glove side for his first goal of the season.
Andrew Shaw scored in the third period for Chicago, and Crawford had 16 saves.