Poker is a card game, usually played by two to seven players. It is played with a 52-card English deck, sometimes with a pair of jokers or wild cards. It is one of the world’s most popular card games, and has a wide range of variants.

Poker can be played in many different styles, but all have similar rules. There are two major types of poker – cash games and tournament play.

In the game, each player gets five cards. Then, they bet or fold their hand. If all but one player folds, a showdown takes place. The winner is the player who has the best hand.

The winning hand is determined by the combination of the cards in the player’s hand and those in the other hands. The highest-ranking hand is a straight, which is five consecutive cards of the same suit. The lowest-ranking hand is a flush, which is five consecutive cards of the same rank in any suit.

A player can improve their hand by discarding the bad cards and drawing new ones. Some players may bet before they draw, while others may raise after they have been shown a new set of cards.

A player’s decision to call or raise is based on their pot odds, which are the ratio of the money in the pot compared to what it costs them to keep playing. If they are getting 11-to-1 pot odds, they should call, whereas if they are getting 7-to-1 pot odds, they should raise.