Analysis, Guides Understanding probability models: a practical guide Owen Gaines September 2, 2026 Owen Gaines Owen Gaines is a professional poker player and author who has played an estimated ten million hands and written four poker strategy books. This Gambling Math & Probability report examines probability models with practical context, clear definitions, and useful evidence for readers. Filed under: Analysis, Guides Tags: How-to, Interview ←What current research says about expected value Common assumptions about risk calculations worth reconsidering→