Poker is a card game in which players compete for a pot of money by betting on the strength of their hands. The game is based on chance, but it can also involve skill and psychology. It is a fast-paced game with players often raising and calling bets, as well as bluffing. The game is so popular that it has been adapted for the screen in many movies and television shows.
There are a number of different poker variants, but in all of them there is a dealer who is responsible for shuffling the deck and dealing cards to the players. A player may be assigned a dealer chip that they must place into the pot before betting begins each round. Players are then dealt two cards each, and a round of betting starts. If a player chooses not to bet, they are said to check. If a player makes a bet that exactly matches the previous one, they are said to call. If they bet more than the previous bettor, they are said to raise.
In most rounds, a third card is dealt to the board, called the turn. There is another round of betting, and then a final card is revealed, called the river. There is a final betting round, and then a showdown occurs in which the players reveal their cards. The player with the best hand according to the rules of the poker variant being played wins the pot.