Poker is a card game in which players place bets to gain control of a pot. It is a game that involves a significant amount of chance, but also requires some knowledge of strategy, psychology, and probability calculations. It can also be an enjoyable social activity for groups of people.

The game of poker has many variations, but it always features a central pot and betting rounds. Each player puts some of their chips into the pot voluntarily, but there are also forced bets that must be made before a hand is dealt. After the forced bets are made, the dealer shuffles the cards, then deals them to the players one at a time beginning with the person on their left. The player may then make any number of moves during his turn, including checking (when a bet is matched and they do not wish to increase their own bet), calling a raise, or raising themselves.

Players can form a variety of different hands, the strongest of which is a flush. A flush contains three matching cards of one rank and two matching cards of another rank. A straight is five consecutive cards of the same suit, while a pair is two distinct cards of the same rank. The high card is used to break ties. Any other hand is a loser. Players can also win a pot by making a bluff, although this is very rare. Bluffing requires courage, and is only successful when opponents have low confidence in their own hand.