Poker is a card game where players bet on the value of their hand. Various rules govern the game, but the objective is to win a pot (the sum of all bets made by all players) by having the best hand.

A poker hand comprises five cards. The rank of a hand is determined by the value of each individual card, inversely related to its frequency in the deck. High cards, pairs of cards, and three-of-a-kind are common hands. Straights, flushes, and royalties are other possible ways to win.

The game begins with each player placing an ante, blind, or bring-in bet, depending on the rules of the variant. The dealer shuffles and deals the appropriate number of cards to all players, beginning with the player to their left.

Betting rounds usually follow the deal, with each round resulting in new players joining the table and a larger pot. After the betting period, each player may discard up to three cards from his hand, and new cards are dealt.

When a player folds, he forfeits all of his chips to the pot. He only folds if he thinks his hand is too weak to compete against the other players, but may bet again if he has a better hand than the one he had before folding.

Despite the popularity of poker in the modern world, it is still a complex and difficult game to master. Getting a grasp of the basic principles of the game is essential to winning and staying ahead of the competition.