Vermont had a 24-21 lead at the break. In the second, the teams stayed close throughout until the Catamounts went up 44-41 with 1:46 remaining. Then Chambers hit a 3-pointer for the Crimson to tie it up and send the game into overtime.
The teams finished the first overtime locked 50-50.
Miller sank a 3 to kick off the second OT and Harvard finished the period with an 11-2 run highlighted by a dunk by Moundou-Missi and a jumper by Chambers for the win.