06 Dec 2025 Advanced This material is for experienced players bluff catching check-raise exploit GTO pot odds value bet Pro poker player Jonathan Little presents advanced river play concepts from his Tournament Masterclass. Learn when opponents overbluff or underbluff, master minimum defense frequency, optimize bluff catching decisions, and exploit common mistakes to maximize tournament profits. Master river exploits by calling all bluff catchers when opponents overbluff and folding all when they underbluff Strategic River Decisions - Key Concepts: Minimum Defense Frequency Explained - When facing pot-sized all-in, you need 33% pot odds and should call 50% of your range to prevent opponent exploitation Bluff Catcher Zero EV Principle - Against perfect GTO ranges, bluff catchers break even between calling and folding, allowing aggressive exploitative adjustments Overbluffing Exploit - If opponents bluff even 1% too often, call with every single bluff catcher to maximize expected value Underbluffing Counter-Strategy - Most small/medium stakes players underbluff rivers; fold all bluff catchers against tight opponents who rarely fire third barrels Check-Raise Frequency Errors - Players drastically under-checkraise rivers compared to GTO; adjust by overfolding when facing unexpected river aggression Opponent Range Construction - Analyze how opponent ranges differ from GTO at each street to determine optimal river calling/folding strategy Position-Based Adjustments - Out-of-position players should check-raise wider with draws and back-door flush draws on dynamic boards than most players realize
