Tschumperlin shot 6-of-9 from the field, 2-of-2 from beyond the arc in the lopsided win.
The Pipers (4-2, 3-1 in the MIAC) held the Cardinals (3-4, 1-3) to 18.5 percent shooting in the first half (5-27) while shooting 50 percent themselves (17-34) en route to a 47-22 lead. The Pipers continued their hot shooting in the second half shooting an identical 50 percent (16-32).
Tschumperlin led three Pipers in double figures. Sophomore Jessica Heinen netted 14 points and nine rebounds. First-year Rochelle Sather scored 13 points - 11 in the first half.
St. Mary's was paced by Alyse Coates' 12 points. Jessica Weisbrod added 11 points, and Danielle Dehning added 10 points.
Th Pipers shot 20-of-29 from the free throw line and outrebounded the Cardinals 47-34. They also forced the Cardinals into 23 turnovers.
Hamline broke open a 3-3 tie with a 16-2 run over eight minutes of play. Sather had six points in the spurt. Junior Shelby Hyllengren netted five of her eight points over the span.