If you relish the tinkling of the ivories, reserve the weekend and treat your ears to some of the region's best piano talent at the First Biennial Rocky Mountain States Piano Competition for Outstanding Amateurs, sanctioned by the Van Cliburn Foundation of Forth Worth, Texas. Fourteen pianists from the western United States have qualified to perform in the three-day event which begins Friday, May 26, at 9:30 a.m., in Colorado College's Packard Hall. Admission is $5. On Saturday, May 27, semifinals will be held at 1 p.m. at the Colorado Springs Fine Arts Center; admission is $8. And on Sunday, the final round will be held at 1 p.m. in Packard. Admission is $12. World-renowned American pianist William Wolfram will be among the panel of judges, and will offer a free master class on Friday, May 26, at 3 p.m., and a guest recital at 8 p.m. on Saturday, May 27, at the Fine Arts Center. Admission is $15. Critics have compared Wolfram to the young Van Cliburn, citing his romantic sensibility and powerful command of the keyboard. Tickets to all events can be purchased at the Fine Arts Center Box Office, 634-5583.