08 Nov 2025 Intermediate This material is for medium-skilled players blinds defense check-raise GTO pot odds ranges Jonathan Little breaks down check-raise strategy when calling from the big blind. Learn optimal frequencies based on bet sizing, nut advantage, and stack depth. Discover which hands to check-raise including premium pairs, flush draws, backdoor draws with blockers, and low pairs. Master check-raise strategy by understanding bet size adjustment, nut advantage, and proper hand selection for maximum profitability. Strategic Fundamentals: Check-raise frequency increases against smaller bets and decreases against larger bets Stack depth impacts strategy - shallower stacks require more frequent check-raising Nut advantage determines how aggressively you should check-raise on specific boards Check-raise sizing should be proportional to opponent's bet - smaller raises against bigger bets Dynamic boards require larger check-raise sizes for protection Four hand categories for check-raising: premium made hands, high equity draws, backdoor draws with blockers, and low pairs with blockers Flush draws with lower kickers check-raise more often than those with higher kickers to maximize fold equity