Poker is a family of card games in which players wager over which hand is best according to that specific game’s rules. The games are based on a standard deck of playing cards, and they vary in the number of cards dealt face up or down and in the amount of money involved.

Texas hold ’em is the most popular poker variant. It is played with two cards, known as hole cards, and five community cards dealt face up in three stages; the flop (three cards), turn (fourth street), and river (fifth street). The player with the best combination of the seven cards wins the pot.

In Texas hold ’em, each player bets into the pot during a betting round. The betting round continues until everyone calls or folds, and the player with the highest hand is awarded the pot.

Bluffing is a major feature of poker, and it has been used to win many high-stakes tournaments. Bluffing can be done by checking, which means making a bet without revealing a hand, or by raising the amount of money you are willing to invest.

Players may also muck their hand if they believe that their opponent has a better hand than they do. This is a common practice that occurs during the flop, and it is not against poker rules.

Another form of mucking is to peek at the opponent’s cards while they are looking. This is not against poker rules, but it can be annoying for other players and is generally against good taste. Especially in live poker, where the dealer or floor manager can make a ruling on a moment’s notice.