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.
Kevin Cooper had six points on three goals and three assists, while Jake Bernhardt tallied four scores.
Four former Terps to compete in MLL All-Star game, while three incoming Terps will play in the UA All-America Classic.
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.
Before Maryland: 2010 Under Armour High School All-American ... ranked the No. 13 freshman attackman in the nation according to Inside Lacrosse ... ranked the 44th overall recruit by Inside Lacrosse ... 27 goals, 24 assists and 71 groundballs as a senior for Coach Mike Ransom ... two-time team captain ... led his team to the 2010 state championship after leading QA to the finals in 2009 ... two-time member of the Under Armour Underclassman All-America team for Washington, D.C. ... named to the 2009 Baltimore/Washington High School Tewaaraton Watch List ... posted 31 goals, 21 assists and 55 caused turnovers in 2009 ... helped lead Queen Anne's to a regional championship and a spot in the state finals ... a three-time all-conference selection ... member of the 2008 Free State team ... also a standout on the gridiron as three-year starter at five different positions ... 2009 team captain ... led the team in touchdowns ... selected to the regional All-Star game ... led the team in receptions, interceptions and return yards as a junior.
Personal: Son of Pat and Mary Susan Haley ... younger brother of Patrick and Danny ... older brother Jake ... enrolled in letters and sciences.