Poker is a card game where players place bets to compete for a sum of money called the pot. In a standard game of poker, each player is dealt five cards. The highest hand wins the pot. The game is played from a standard 52-card deck, although some variant games add one or two jokers. The cards are ranked in descending order from high to low: Ace, King, Queen, Jack, 10, 9, 8, 7, 6. There are four suits: spades, hearts, diamonds and clubs. In some games, a pair of suits break ties (Jacks beats Hearts, for instance). Some games also allow players to make hands with wild cards, which can take on any rank and suit.

In a typical round of poker betting, all players must make at least an ante bet, which they may raise. After the ante bet, the dealer shuffles the cards, then deals each player a hand of five cards. If any player is all-in, he or she must reveal their cards at showdown to determine the winner of the pot.

In addition to making bets that are determined by the odds of winning, players can use signals and other strategies to misinform their opponents about the strength of their hands. The resulting strategic byplay is the core of poker’s appeal. Despite its seemingly random nature, poker is a game that requires considerable skill and knowledge of probability and psychology to play well. In fact, the game is so challenging that it has spawned entire industries of coaching and training programs to teach people how to win at it.