John Tlumacki/Globe Staff

Johnny Boychuk (left) and Zdeno Chara wore hats with the Boston Fire Department's insignia during pregame warm-ups in honor of two firefighters who were killed Wednesday while battling a nine-alarm blaze on Beacon Street.

John Tlumacki/Globe Staff

A tribute to Lieutenant Edward J. Walsh Jr. and Firefighter Michael R. Kennedy took place on the ice before the game.

John Tlumacki/Globe Staff

Dougie Hamilton (left) and Chara put the squeeze on Ben Smith.

John Tlumacki/Globe Staff

Patrice Bergeron scored a goal in the first period.

John Tlumacki/Globe Staff

Reilly Smith looked for the puck after a shot in the second period as the Blackhawks' Niklas Hjalmarsson moved in.

John Tlumacki/Globe Staff

Tuukka Rask used his body to keep Jeremy Morin from scoring a goal.

John Tlumacki/Globe Staff

Milan Lucic (left) and Chara sandwiched Duncan Keith.

John Tlumacki/Globe Staff

Corey Crawford caught David Krejci's shot in the second period.

John Tlumacki/Globe Staff

Brad Marchand poked his stick at Jonathan Toews as he fell onto his knees in second-period action.

John Tlumacki/Globe Staff

Lucic gave Crawford a faceful of ice shavings in the third period.

John Tlumacki/Globe Staff

Chris Kelly (left) celebrated as Carl Soderberg scored a third-period goal. The Bruins beat the Blackhawks 3-0 in their first Boston meeting since last season's Stanley Cup Final.

John Tlumacki/Globe Staff

Matt Bartkowski congratulated Rask at the end of the shutout game.