David Moss scored twice to lead the Calgary Flames to a 4-2 victory over the Chicago Blackhawks on Monday night.
Rene Bourque and Eric Nystrom also scored for the Flames, who trail 2-1 in the best-of-seven Western Conference quarterfinal series. Game 4 is Wednesday night in Calgary.
Curtis Glencross had a pair of assists for Calgary, which won for the first time in seven meetings with Chicago - four in the regular season and three in the playoffs.
Chicago's Martin Havlat scored late in the third for his third goal in as many games.