EV GTO position ranges red line In this comprehensive video course, thjericho2 teaches advanced poker concepts focusing on red line improvement through optimal bluffing and calling frequencies. He explains different types of poker graphs, their meaning, and how to transition from being a typical blue line winner to a skilled red line player. The course includes detailed analysis of cold 4-betting ranges and frequencies across different positions. This course challenges common misconceptions about red line play. While most players focus only on bluffing, Jericho2 emphasizes that proper calling is equally important for red line success. He demonstrates how combining aggressive bluffing with strategic calling leads to optimal results. Advanced Poker Strategies: Detailed breakdown of poker tracking software graphs (blue, red, yellow, and green lines) Cold 4-betting frequencies and position-based adjustments Balance between bluffing and calling for optimal red line play Position-specific range construction for cold 4-betting Advanced variance management in aggressive play Transition strategy from blue line to red line dominance Implementation of GTO-based cold 4-betting ranges