Spaced repetition means reviewing material over several days, with longer gaps as you remember it. Try to recall the move and explain its purpose before checking the answer.
Review a pattern on several days, for example after 1, 3, 7, 14 and 30 days. If you miss it, review it sooner. The schedule gives you repeated chances to recall the idea; it cannot know exactly when you will forget it.
Mainline uses five review stages and mixes due reviews with other practice. When you return to a position, try to find the move from memory and check why it works.