There is a diverse set of seven OSCF championship qualifiers on the calendar in the next two weeks.

Quads:
Sunday afternoon Chessworks Quads at Portland Chess Club, March 4
Friday night Chess Odyssey Quads at Bethany Presbyterian in Portland, March 9
Tuesday Chess Mates Quads in Clatskanie, March 13

Swisses:
Friday Happy Valley K-8 champs, March 16
Saturday Green Coquille All-Ages, March 17

High-Powered Two-Day Swiss:
Spring Open at the Portland chess club, March 17-18