Poker is a card game in which players wager money (or chips) on the likelihood of making a particular hand. The game’s rules and strategy are based on probability theory. Specifically, the player’s chance of winning depends on the probability that he or she will acquire each card needed to make the best possible five-card hand.

To increase your chances of making the best possible five-card hand, you must be able to assess your opponents and determine what cards they have. This is a skill that requires quick instincts, and it is important to practice. Watching experienced players is also helpful, as you can learn from how they play and react to different situations.

One of the most fundamental strategies in poker is knowing when to fold. A well-timed fold can protect your bankroll, minimize losses, and improve overall profitability. It is important to recognize and overcome cognitive biases that may keep you from folding in certain situations.

To improve your poker skills, practice at the same time each day. Set a schedule for yourself and stick to it, using kitchen timers or other tools to help you stay on track. Try to limit your sessions to 3 hours or less, and take a break every 90 minutes. Studies show that playing for longer periods of time can lead to fatigue and a decrease in your mental acuity. Taking a short break will help you remain sharper throughout your entire session.