A game of cards and money, poker can be a fun pastime or a serious business. The best players have several key skills, including patience, reading other opponents, and adaptability. They also know when to quit a game that isn’t profitable and try again another day.

The first thing a player needs to learn is how to read the other players. This includes not only observing nervous habits, such as fiddling with chips or a ring, but watching how they make their decisions. The most successful players are able to tell when an opponent is trying to hide a bluff by analyzing their facial expressions, eye movements, and the way they move their body while making their decision.

A player must also be able to calculate pot odds and percentages quickly and quietly. This will allow them to make a profit in the long run, rather than losing large sums of money by getting caught by strong players or playing in games that are too big for their bankrolls.

Beginners should play tight in the early stages of the game, which means limiting their hands to those that have a high showdown value. They should also avoid chasing draws unless the pot odds and potential returns work in their favor. It is also important to be able to adjust your bet size, depending on the strength of your hand and how aggressively you wish to play it. This will help to increase the value of your hand and push weaker hands out of the pot.