Poker

What is poker?

Poker is a card game, played in various forms throughout the world, in which a player must call the bet, raise the bet, or concede. Its popularity is greatest in North America, where it originated. It is played in private homes, in poker clubs, in casinos, and over the Internet.

General principles

There are forms of poker suitable to any number of players from 2 to 14, but in most forms the ideal number is 6, 7, or 8 players. The object is to win the “pot,” which is the aggregate of all bets made by all players in any one deal. The pot may be won either by having the highest-ranking poker hand or by making a bet that no other player calls. The following principles apply to nearly all forms of poker.

Cards

Poker is almost always played with the standard 52-card deck, the playing cards in each of the four suits (spades, hearts, diamonds, clubs) ranking A (high), K, Q, J, 10, 9, 8, 7, 6, 5, 4, 3, 2, A (low only in the straight [a series of five cards numbered consecutively] or straight flush [a series of five cards numbered consecutively within the same suit] 5-4-3-2-A and in certain variants described below). In social play, especially in “dealer’s choice” (i.e., a card-playing session in which each player takes a turn at dealing the cards and selecting the game), certain cards may be designated wild cards. A wild card stands for any other card its holder wishes to name. There are many methods of introducing wild cards into the game. The most popular are:

Joker. A 53-card pack is used, including the joker as a wild card.
Bug. The same 53-card pack including the joker is used, but the joker—here called the bug—counts only as a fifth ace or to fill a flush [a series of five cards of the same suit], a straight, or certain special hands.
Deuces wild. All four deuces (2s) are wild cards.
One-eyes. In the standard pack the king of diamonds, jack of spades, and jack of hearts are the only cards shown in profile. They are often designated as wild cards.

Rank of poker hands

The rank of standard poker hands is determined by their odds (probability). Two or more identical hands tie and divide any winning equally. The suits have no relative rank in poker. When there is any wild card in the game, the highest possible hand is five of a kind, which beats any straight flush. When there are several wild cards, there may be identical fours of a kind or threes of a kind, in which case ties are broken by the highest unmatched cards or secondary pairs (in a full house [a five-card hand made up of three of a kind and a pair]).

Deal

At the start of the game, any player takes a pack of cards and deals them in rotation to the left, one at a time faceup, until a jack appears. The player receiving that card becomes the first dealer. The turn to deal and the turn to bet always pass to the left from player to player. For each deal, any player may shuffle the cards, the dealer having the last right to shuffle. The dealer must offer the shuffled pack to the opponent to the right for a cut. If that player declines to cut, any other player may cut.

Betting procedure

In each deal there are one or more betting intervals according to the specific poker variant. In each betting interval, one player, as designated by the rules of the variant being played, has the privilege or obligation of making the first bet. This player and each player in turn after him must place in the pot the number of chips (representing money, for which poker is almost invariably played) to make his total contribution to the pot at least equal to the total contribution of the player before him. When a player does this, he is said to be in the pot, or an active player. If a player declines to do this, he discards his hand and is said to drop or fold, and he may no longer compete for the pot. Before the deal, each player may be required to make a contribution to the pot, called an ante. In each betting interval, the first player to make a bet is said to bet, a player who exactly meets the previous bet is said to call, and a player who bets more than the previous bettor is said to raise. In some variants, a player is permitted to check, which is to stay in without betting, provided no other player has made a bet in that betting interval. Since a player cannot raise his own bet, each betting interval ends when the betting turn has returned to the person who made the last raise or when all players have checked. At the end of each betting interval except the last, dealing is resumed. At the end of the last betting interval, there is the “showdown,” in which each active player shows his full hand, and the highest-ranking hand wins the pot.

Betting limits

There are “no-limit” or “sky’s-the-limit” games, but in practice most poker games place some limit on what one may bet in any game. There are three popular methods.

Principal forms

Poker has three main branches. In draw poker each player’s full hand remains concealed until the showdown, in stud poker some but not all of a player’s cards are dealt faceup, and in community-card poker some cards are exposed and used by all the players to form their best hands. In addition, nearly any form of poker may be played high-low (also spelled hi-lo) or low (also known as lowball). In high-low the highest-ranking poker hand and the lowest-ranking poker hand divide the pot equally. If there is an odd number of chips, the high hand gets it. If two or more hands tie for high or low, they divide their half of the pot equally. In most games the lowest possible hand is 7-5-4-3-2 in two or more suits, but in some games the ace may optionally be treated as the lowest card and thereby make 6-4-3-2-A the lowest hand and a pair of aces the lowest pair.
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This page was made by Bruna Miguel.