CHICAGO -- The one word missing from the Chicago Blackhawks' legacy was added Monday.

"That's three Cups in six seasons. I'd say you have a dynasty," NHL commissioner Gary Bettman said after the Blackhawks defeated the Tampa Bay Lightning 2-0 Monday to capture the Stanley Cup in a six-game final series.

Chicago coach Joel Quenneville said, "This is a special group and I'm glad to be able to share the thrill of a lifetime with them. We have a great group, they love to compete, and that's what we love doing."

Quenneville just wrapped up his 18th year as an NHL head coach, and he led Chicago to championships in 2010, 2013 and now 2015.

Chicago claimed the Stanley Cup at home for the first time since 1938.

Defenseman Duncan Keith scored the game's first goal late in the second period, and center Patrick Kane sealed the victory with a goal late in the third. Chicago goalie Corey Crawford posted a 25-save shutout.

"We didn't want to wait around until Wednesday (for what would have been Game 7 at Tampa Bay)," Kane said. "We wanted to get it done tonight, and especially in front of our fans.

"I wanted to play my best game and control the puck as much as possible, and it turned out the way we wanted it to."

As for Bettman saying the Blackhawks are now a dynasty, Kane quipped, "We've won three in six years now. I think that's pretty good."

Blackhawks center Brad Richards, who won his second NHL championship -- coincidentally, the first was with the Lightning -- was ecstatic after leaving the ice.

"We just had a feeling tonight," Richards said. "We were very relaxed. It all worked out. I'm glad I can enjoy this one."

Added Blackhawks right winger Kris Versteeg, "This is insane. This is just so special."

The championship is Chicago's sixth, including titles in 1934, 1938 and 1961 before the recent run. This year's final series was the closest in history, with every game but Monday's being decided by just one goal.

"Tonight, this is truly the Madhouse on Madison," Bettman said. "This was a great Stanley Cup final."

Kane's 15-foot wrist shot with 5:14 left in the third period provided the insurance Chicago needed to back up Keith's goal at 17:13 of the second period. Kane, a right winger, also assisted on Keith's goal, giving him a team-leading 11 goals and 12 assists (23 points) in the playoffs.

Keith, who compiled three goals and 18 assists in the playoffs, was a unanimous winner of the Conn Smythe Trophy, indicative of the most valuable player in the postseason.

Forty-year-old defenseman Kimmo Timonen, who agreed to be traded from the Philadelphia Flyers to Chicago in February to give him one last chance at winning a Cup championship, will now be able to retire as planned with that elusive title.

"He deserved it, he's been waiting for it so long," Blackhawks center and team captain Jonathan Toews said. "Every (championship) has been special, but this makes it even more special when you can do something like that, to help a guy finally win one."

After lifting the cup to celebrate the championship, Toews skated over to Timonen to give him the honor of hoisting it next.

Chicago made its biggest stand of the game late in the third period after left winger Andrew Desjardins went to the penalty box for tripping. The Blackhawks kept Tampa Bay from scoring, preserving Crawford's shutout.

Lightning goalie Ben Bishop, who missed much of the series due to an undisclosed injury, stopped 30 shots.

Tampa Bay was penalized three times in the game, while Desjardins' penalty was Chicago's only infraction.

After managing just four shots in the first period, Tampa Bay was more aggressive on offense in the second period, but Chicago still outshot the Lightning 10-7.

Just a minute into the middle period, Lightning center Steven