Amato makes career-best 24 saves, while Chanenchuk finishes his hat trick with the game-winning goal.
Maryland moves to 8-1 for the first time since 2004 with the victory.
Niko Amato makes 13 saves in the win, while Jesse Bernhardt lead the defense with 10 groundballs.
Maryland tops No. 3 seed Duke, 16-10, behind four goals by senior Drew Snider.
Snider leads Maryland with three goals in 11-5 win over Johns Hopkins
An in-depth preview of the 2012 Maryland men's lacrosse team, featuring interviews with head coach John Tillman and team captains Jesse Bernhardt, Joe Cummings and Drew Snider.
As a freshman (2012): Made his collegiate debut in 16-11 win at Georgetown (2/24) ... saw late time in 17-4 win over Marist (3/10) and 11-5 win over No. 10 Villanova (3/17) ...
Before Maryland: A four-year letterwinner for Coach Max Ritz, a former Maryland All-American ... helped the Lions earn the 2009 Trinity League championship.
Personal: Son of Joe and Patti Kimpler ... older brother of Hunter ... majoring in biological engineering.