Chafee downed Elsbernd 82-80 in the finals to claim the title. She defeated Gabrielle LeBoeuf of LSU 84-68 in the quarterfinals and Baylor's Kara Fergusson 85-80 in the semifinals.
A native of Little Compton, R.I., Chafee leads the Aggie fences riders with an 8-4 record this season and has collected two MVP awards. The All-American will end her career next month as the winningest hunter seat rider in school history.
Texas A&M returns to action on Friday when the third-seeded Aggies open action in the Big 12 Championship in Manhattan, Kan. against second-seeded Baylor in the semifinals.