Poker is a game of skill and strategy. It involves estimating the probabilities of different events and scenarios, which requires a high level of mental activity to think critically and logically. It also builds observation skills and teaches players how to set aims for their games. Although some people may think that playing poker is harmful to an individual, the truth is that it has many benefits, including improving cognitive abilities and increasing self-confidence.

In addition, the game teaches you how to manage your emotions, deal with conflicts and control yourself. It also helps you develop a good sense of observation to spot your opponents and read their betting behavior. Additionally, poker has been shown to reduce stress and increase energy levels.

For example, let’s say that you deal yourself a pair of kings off the flop. This isn’t a great hand, but it isn’t bad either. You call and put a dime into the pot. Then, Dennis raises a dime. You call again, but now you have to decide whether to fold or raise.

When making a decision, you need to take into account all the possible hands your opponent could have. This is called working out the range. This is a fundamental aspect of poker, and it requires good instincts rather than memorizing complicated systems. It is also helpful to watch experienced players and imagine how they would react in certain situations to build your own instincts.