Poker is a card game where players place bets on the outcome of a hand. It’s a very popular game that can be played by people of all ages and backgrounds. In order to play the game well, you need to know some basic rules and strategies.

Each betting interval (round) begins when a player, in turn, makes a bet of one or more chips. Then, in turn, each player must either “call” that bet by putting into the pot the same amount of chips or raise their own bet. Players can also choose to fold if they don’t have enough chips to call the bet.

A good way to improve your poker game is to study and observe experienced players’ gameplay. This can help you avoid common pitfalls and develop a successful strategy. But remember that studying the play of others should be a complementary aspect of your own poker game, not a replacement for it.

Another important rule is to always keep your opponents guessing about your intentions. This will help you win more hands and build your bankroll. To do this, pay attention to their body language and facial expressions. If they stare you down, it’s a sign that they have a strong hand, while a sigh or smile indicates that they’re about to bluff. Also, check out their tells – a sudden increase in the pulse in their neck or temple is an indication that they’re nervous.