Bruno sent a ball from the middle of the box to the left side, where Tanzer scored to the far post from about 8 yards to snap a 1-all tie.
Margaretville’s Ithay Silva and Stamford’s Kim Freer scored in the first half.
The Blue Devils (2-4-1, 1-3-1) play a non-league game at Eldred at 6 p.m. Thursday.
Cooperstown 5, Dolgeville 2
Sophomore Liz Millea scored three goals in the first half to lead host Cooperstown to a Center State Conference victory.
Bella Anania’s goal into the far-right corner opened the scoring three minutes into the match.
Dolgeville tied it six minutes later, when Sarah George scored off a corner kick from Ellen Lewandowski. George finished with two goals for Blue Devils.
Sarah-Jane Morsoko and Maggie Hall assisted on Millea’s first two goals.
Jordian Siver also scored for Cooperstown (5-1, 4-1), which plays at Mount Markham on Thursday.
Morris 3, RS 1
Morgan Flint and Allison DiStefano scored second-half goals to lead host Morris to a Tri-Valley League win.
Richfield Springs’ Rebecca Smith opened the scoring on a 30-yard direct kick, but Haley Wist tied it for Morris with a shot to the far post in the first half.
Kaylyn Oliver made four saves for the Mustangs (6-1-1, 5-1-1), who host Schenevus on Friday.
Vanessa Williams stopped 19 shots for the Indians, who were outshot, 27-5.
Schenevus 5, Edmeston 1
Sarah Mellor finished with two goals and an assist to lead visiting Schenevus to a Tri-Valley League victory.
Sierra Bentley also scored twice for the Dragons, who took a 4-0 lead into halftime. Megan Walke scored Schenevus’ final goal, off an assist from Jenn Walke in the second half.
“They just finished and we didn’t,” said Edmeston coach Russell McCall, whose team held a 13-8 advantage in shots.
Amanda Tersigni scored for the Panthers (1-7, 1-6), who are at Worcester on Friday.