Poker is a card game that can be played by two or more players. It is believed to be an ancestor of other card games such as blackjack and rummy. The game has become popular worldwide and is considered a classic.

The game is based on a series of betting rounds and the winner is determined by the highest value hand of cards. Each player places an initial amount into the pot, a forced bet known as an ante or blind. This is followed by the dealer dealing each player three face up cards called third street, fourth, fifth and sixth streets. The player with the highest hand wins the pot, or all of the money that has been bet during the current hand.

A high-ranking hand is one that contains all of the cards in a suit, such as an ace, king, queen, jack, or ten. A straight flush is a sequence of consecutive cards of the same rank, such as a six, seven, eight, or nine. A pair is a hand that has two cards of the same rank, such as two sixes.

The rules vary according to the type of poker being played, and different casinos or online poker rooms may have slightly different rules. However, most of the rules are standard and recognizable to players. Players must abide by the rules to avoid being banned from a particular poker room or casino. In addition, players must be courteous and respectful to other players and the casino staff.