Poker is a card game, which is played in casinos and private homes all over the world. The game has several variants, all of which use the same basic rules.

Before a round begins, a player must buy the same number of chips as the previous player. For example, if the previous player bought ten chips, the new player must put in twenty.

A card is then dealt face up to each player. If a player does not want to reveal his hand, he can fold.

After the cards are dealt, betting is done in clockwise order. Ties break when a player has a high card. When two players have identical poker hands, their ties are broken by a high card.

One of the reasons for the popularity of poker is bluffing. This occurs when a player bets with a good hand but is not sure if other players will call.

The earliest known form of the game was played with 20 cards. Today, there are hundreds of variations of the game.

Most games are played with a standard deck of 52 cards. Players can discard up to three cards. Some games also have Wild Cards, which are cards that can take any suit.

Most poker games involve one or more rounds of betting. Depending on the game, the player must raise or fold if the other players do not call their bet.

Poker is played with a variety of chip types, including black, blue, red and green. Each chip is worth a different amount of whites.