NHL

Niskanen's 2 goals lead Capitals to 4-2 win over Islanders

  • New York Islanders goalie Jaroslav Halak (41), Washington Capitals' Nicklas Backstrom (19) and T.J. Oshie (77) watch the puck shot by Matt Niskanen get past Halak for a goal during the third period of an NHL hockey game, Tuesday, Dec. 13, 2016, in New York. The Capitals won 4-2. (AP Photo/Frank Franklin II)

    New York Islanders goalie Jaroslav Halak (41), Washington Capitals' Nicklas Backstrom (19) and T.J. Oshie (77) watch the puck shot by Matt Niskanen get past Halak for a goal during the third period of an NHL hockey game, Tuesday, Dec. 13, 2016, in New York. The Capitals won 4-2. (AP Photo/Frank Franklin II)  (The Associated Press)

  • New York Islanders' Anthony Beauvillier (72) defends Washington Capitals' Dmitry Orlov (9) during the second period of an NHL hockey game, Tuesday, Dec. 13, 2016, in New York. (AP Photo/Frank Franklin II)

    New York Islanders' Anthony Beauvillier (72) defends Washington Capitals' Dmitry Orlov (9) during the second period of an NHL hockey game, Tuesday, Dec. 13, 2016, in New York. (AP Photo/Frank Franklin II)  (The Associated Press)

  • The Washington Capitals Brett Connolly (10), Nate Schmidt (88) and Lars Eller (20)c elebrate a goal by Jakub Vrana as New York Islanders' Nikolay Kulemin (86) skates away during the second period of an NHL hockey game Tuesday, Dec. 13, 2016, in New York. (AP Photo/Frank Franklin II)

    The Washington Capitals Brett Connolly (10), Nate Schmidt (88) and Lars Eller (20)c elebrate a goal by Jakub Vrana as New York Islanders' Nikolay Kulemin (86) skates away during the second period of an NHL hockey game Tuesday, Dec. 13, 2016, in New York. (AP Photo/Frank Franklin II)  (The Associated Press)

With so many good teams near the top of the Metropolitan Division, coach Barry Trotz knows his Washington Capitals need to bring their best effort every night if they plan to keep pace.

Matt Niskanen scored two goals in the third period, lifting the Capitals over the New York Islanders 4-2 on Tuesday for their fifth straight victory.

Brett Connolly and Justin Williams also scored for Washington, which improved to 18-7-3. Dating to a 2-1 overtime loss at Tampa Bay, the Capitals have earned 11 out of a possible 12 points.

"We need to continue to have consistency," Trotz said. "We're now 11 games over .500 and we're fourth in the division."

Following a five-game winning streak, the Islanders have dropped their last two. New York's 11-12-5 record is the worst in the Metropolitan Division.

"Our goal right now is to finish a couple games above .500 going into the Christmas break," center Casey Cizikas said. "I thought we played well enough to win."

Brock Nelson and Nikolay Kulemin scored for the Islanders, and Jaroslav Halak made 34 saves.

"We find ways to lose games," Halak said. "We're not finding a way to win a game."

The third meeting of the season between the teams — and second in 12 days — was a tight-checking game. Neither club was able to sustain sequences in the offensive zone, though the Capitals finished with a 38-28 advantage in shots on goal.

Niskanen's wrister from the left circle 1:34 into the third put Washington ahead for good. The defenseman snapped in a feed from partner Dmitry Orlov, as all five Islanders were on the left side of the ice.

"I don't think (Halak) saw it," Niskanen said.

From there, Braden Holtby made the lead hold up.

Holtby stopped 26 shots, with his two toughest saves coming on Josh Bailey's goal-mouth backhander with 11 minutes left and John Tavares' snap shot from the slot nearly 2 minutes later as the Capitals held onto their one-goal lead.

"I felt like I was moving and seeing the puck pretty well," Holtby said. "They're a team that always (seems) to push in the third against us. ... My job is to be ready."

Niskanen's power-play goal with 1:57 left ended the scoring.

Trailing 1-0 after the first period, it took the Capitals all of 2:09 to draw even on Connolly's third of the season. A scratch in Washington's previous four games, Connolly drove to the net and Lars Eller's centering pass ricocheted off his stick blade.

Washington went ahead 5:28 later on Williams' power-play goal. Jakub Vrana drove to the net and Evgeny Kuznetsov, who was behind the goal line, found him with a pass, and the 20-year-old's shot bounced off Williams.

The Capitals finished 2 for 3 on the man advantage, and killed off both New York power plays.

"You're not going to give up two power-play goals and expect to win," Islanders coach Jack Capuano said. "Somehow, some way we have to get back to trying to get the special teams where (they) need to be."

Despite being outplayed for much of the period, New York was able to tie the game at 2 on Kulemin's goal midway through the second. Kulemin deflected Nick Leddy's point shot past Holtby for his third of the season.

Halak made certain the game stayed tied going into intermission, as he made stops in the final minute on Karl Alzner, Alex Ovechkin and Niskanen, prompting the crowd of 12,730 to chant his name.

New York struck first on Nelson's seventh of the season at 9:32. The left wing was sprung by Cal Clutterbuck's stretch pass, and Nelson fired an end-over-end shot from the top of the left circle that beat Holtby over his glove.

The goal was Nelson's first since Dec. 1.

"I'm losing my patience a little bit with some of the guys," Capuano said. "Some guys aren't working smart. When you work, there has to be a method of how you go about your business. ... I'm talking about the intangibles of the game."

NOTES: The Islanders returned D Scott Mayfield to Bridgeport of the AHL. Mayfield had one goal and two assists in three games. ... Washington scratched D Taylor Chorney and LW Andre Burakovsky, while the Islanders scratched J.F. Berube and Alan Quine. ... Cizikas missed two first-period shifts after taking a skate blade to the wrist during his first shift of the game. ... The Metropolitan Division rivals will meet twice more this season on Dec. 27 and Jan. 31, both in New York.

UP NEXT

Capitals: Play at Carolina on Friday night.

Islanders: Host the Chicago Blackhawks on Thursday night.

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This story has been corrected with a more accurate description of Niskanen's first goal, total shots for Islanders and save total for Holtby.