Poker is a card game where players wager money (or chips that represent money) against each other and then reveal their hands. The best hand wins the pot. The game can be played with any number of cards and a variety of rules. It is a game of chance, but it can also be influenced by psychology and mathematical theory.
Each player begins the game by making a forced bet (usually an ante or blind bet) and then the dealer shuffles the cards and deals them to each player in turn face up, starting with the player to their left. Each player may then either call the amount of the previous bet or raise it. The raised amount is then placed into the central pot. The game may have multiple betting rounds with the amount of money in the pot increasing each round.
Once the first betting round is over, the dealer puts three community cards on the table that anyone can use. This is known as the flop. After this a fourth card is revealed which is called the turn. Then a fifth card is revealed on the river.
The object of the game is to make a five-card poker hand that is better than your opponent’s. The rank of poker hands is determined by their odds (probability), with higher-ranking hands beating lower-ranking ones. Ties are broken by the highest single card or, in the case of a straight, the highest unmatched pair.