Five players scored in double figures for Regis, led by senior Bryan Staerkel's 19 points and five 3-pointers. Sophomore Geoffrey Kelly was close behind after dropping 17 points and three 3-pointers.
Chaparral was led by Jake Holtzmann's 18 points and four 3-pointers. Seniors Peter Wilson and Chase Coon added 11 points each.
Regis (20-1, 7-1 Continental League) hit a staggering 16 3-pointers in the game. They will travel to Mountain Vista next Tuesday.
Chaparral (15-6, 5-3), having now lost two straight, will have a tough test when they host No. 2 ThunderRidge next Tuesday.