>>3887201>Instead of capturing the decisive moment, capture the whole moment and decide later.That's literally how you consistently capture the decisive moment, assuming you don't have supernatural precognitive powers.
E.g., here's a contact sheet from Henri "The Decisive Moment" Cartier-Bresson himself. Every once in a while you get lucky with a single shot, but basically every competent photographer takes a bunch of shots of any scene and works out which moment was the decisive one in post when they don't risk missing it.