90% of poker players make this mistake — are you one of them?

Find out why insufficient aggression prevents 90% of players from winning in online poker, and how to fix this common mistake.

In the world of online poker, most players face the same problem that prevents them from confidently moving up in stakes and winning consistently. According to experts, about 90% of poker players struggle due to a lack of aggression in their game—and this is the main obstacle on the way to mid and high stakes. Even if you consider yourself an aggressive player, regularly 3-betting and finding spots for 4-bet bluffs, studying check-raise ranges, and occasionally making big river bluffs, it might not be enough. The difference between having some aggressive elements and true mastery of aggression is what separates break-even players from real professionals who can dominate the tables. Why Aggression Is the Key to Success: The Essence and Scale of the Problem In poker, your total winnings come from two sources. The first is the money you win at showdown with the best hand. This is shown on graphs as the so-called “blue line.” The second, equally important, is the pots you win when opponents fold to your aggression. This part of your winnings is called the “red line”—that is, profit without showdown, or non-showdown winnings. Although every player wins pots from betting and raising from time to time, statistics show that for 90% of players, the red line is negative. This means most are losing a significant portion of potential profit by not putting enough pressure on opponents. And even if you win at showdown, a losing red line can eat up all your profit. Why Most Players Don’t Reach Optimal Aggression: Human Factor and GTO Modern poker solvers (programs for analyzing optimal strategy) show that optimal play in No Limit Hold’em is very aggressive. However, not everyone can put this style into practice. The reasons are simple: many decisions suggested by the solver seem counterintuitive or even scary to humans. For example, the solver doesn’t care that a 95 big blind (bb) bet into a 5bb pot on the river looks wild—if theory says it brings +0.7bb, the program will make that play. For a human, it’s psychologically difficult to make such moves. Barriers to optimal aggression include loss aversion, black-and-white thinking (value/bluff), inability to defend ranges, and using aggression even after passive lines. Overcoming these requires not just knowledge, but focused and diligent work on your game. To address this problem, the educational platform Run It Once has released a new training course, Red Line Mastery —a comprehensive No Limit Hold’em program that covers all aspects of aggressive play in detail. The course consists of 131 video lessons, totaling over 55 hours, and covers everything you need to implement top-level aggression in every part of your strategy. Who Teaches the Course: Meet thejericho2 The author and instructor of the course is a well-known mid and high stakes cash game regular, thejericho2 . Over a career spanning more than a decade, he has played stakes from $500 Zoom up to $5k NL and earned over $1.5 million in cash games. As he moved up the stakes, thejericho2 realized that to avoid falling victim to the toughest players like Stefan11222 , ja.sam.gale , DavyJones922 , and MunEZ_StaRR , you need not only theory but also hard work on your style. Today, thejericho2 is known for his aggressive and relentless style, based on GTO (game-theory optimal) principles. When creating Red Line Mastery, his goal was to give players a structured and effective path to mastering an aggressive approach that won’t fall apart as the competition gets tougher. This style lets you move up in stakes without worrying that your strategy will break down against strong opponents. “With Red Line Mastery, you’ll learn to outplay your opponents so they can’t exploit you, and get as close as possible to optimal, aggressive poker,” says thejericho2. It’s important to emphasize: Red Line Mastery is not just a set of “aggression tricks,” but possibly the most comprehensive NLHE cash game course, guiding students step by step through the entire decision tree and providing practical recommendations for every table situation. What’s Included: Structure, Bonuses, and Support In addition to the main video course, Red Line Mastery participants get a range of extra tools to help quickly turn a losing red line into a profitable one and boost win rate growth. Red Line Stat Checker — a handy tool for analyzing your own game, allowing you to pinpoint exactly where you’re not aggressive enough. Once you identify your weak spots, you’ll get a selection of lessons to quickly fix your specific mistakes. Two interactive Red Line Quizzes — special tests to check your aggression level before, during, and after the course. This ensures you’re not just listening to the material, but truly ready to apply your new knowledge at the tables. Access to the course’s private Discord community — all students can communicate directly with thejericho2 and other members. You can ask questions about the material, review hands, and get feedback on tough spots that keep you up at night. Exclusive Offer: $200 Launch Discount To celebrate the course launch, Run It Once and thejericho2 are running a special promotion: until October 13 , you can purchase Red Line Mastery with a $200 discount and get lifetime access to all course materials. PokerNews readers get an extra opportunity: even after the main promotion ends, from October 14 to 18 , you can use promo code RLMPokerNews to get the same $200 discount. If you want to learn more about Red Line Mastery, the course page has a video and additional information about the program and its author. Table of Key Facts and Bonuses for Red Line Mastery Parameter Value Course Name Red Line Mastery Platform Run It Once Author thejericho2 Author’s Experience Over 10 years at stakes from $500 Zoom to $5k NL Author’s Total Winnings Over $1,500,000 in cash games Number of Video Lessons 131 Total Course Time Over 55 hours Bonuses Red Line Stat Checker 2 Red Line Quizzes Access to Discord community with thejericho2 Discounted Price $200 discount until October 13 (and from October 14 to 18 with promo code RLMPokerNews) What Is the “Red Line” and Why Is It Important for Your Profit? Poker results are often analyzed with graphs where the “blue line” shows profit at showdown, and the “red line” shows winnings in hands that didn’t reach showdown. If your red line is consistently negative, it means you’re giving up too many pots without a fight, letting opponents take them with simple bets and raises. In the long run, such passivity means that even strong showdown play can’t save you from overall losses. Experienced players like thejericho2 know how to balance aggression and defend their ranges, allowing them to win not only at showdown but also to scoop many small and medium pots without showdown. This is exactly what Red Line Mastery teaches—how to implement aggression in your strategy so opponents can’t exploit you. What This Means for PPPoker Club Players This information is especially relevant for PPPoker club members. Clubs often have players of varying skill levels, and many of them suffer from the same problem—a lack of aggression. If you notice that you often lose pots without showdown or don’t know how to defend against opponents’ pressure, learning the principles of Red Line Mastery can help you increase your win rate and reach a new level. Practical tools like the Red Line Stat Checker and themed quizzes can be adapted to analyze your own play in PPPoker clubs. Even if you don’t buy the course, ask yourself: how often do you take the initiative, and when do you just fold to bets? Regularly working on the aggressive side of your strategy will help you win more pots and move up in stakes within the clubs more effectively. Overall, implementing optimal aggression and learning to balance your ranges is the key to success at any stakes, including in private PPPoker clubs. Use the experience and insights of professionals to not only win at showdown but also take down pots by putting pressure on your opponents. This will give you a real edge over most club players and help you steadily grow your bankroll.