Poker is a card game that requires players to make decisions without knowing the outcome. There are many different variants of the game, but most have similar rules. Players put an initial amount of money into the pot (called an ante or blind) before they are dealt cards. Then betting intervals occur until one player has the best 5-card hand. At that point the player wins all of the money in the pot. During a betting interval, you can call a bet, raise a bet, or fold your hand. Usually, the highest hand wins the whole pot. Sometimes, there is a tie among the players with the best hands, in which case the best five-card hand divides the pot evenly.
In poker, the most important decision is whether to bet or fold. You can also bluff by betting that you have the best hand, hoping that other players will call your bet. But remember that a good hand is not always required to win the pot, and that pursuing safety can result in missing great opportunities where a small risk would yield a big reward.
The most popular poker tournaments are the large professional events that take place in Las Vegas and Atlantic City in the USA. There are also many smaller tournaments, called locals or weeklies, that take place in card shops and bars, community centers, and universities. These tournaments tend to be low cost and very competitive, providing a great way for new players to test their skills.