The game of poker has many different variations, but the basic rules are common to all. Each player puts an initial amount of money into the pot before the cards are dealt. These are called forced bets and can take the form of antes, blinds, or bring-ins.
Once the cards are dealt, betting rounds commence. Each player can check (put no chips into the pot), call the bet by putting in the same number of chips as the person to their left, or raise their bet. Players can also fold if they have poor cards.
After the first round of betting, a third card opens up on the table, known as the flop. This can help to identify the type of hand that a player has, and they can then decide whether to continue playing or not.
Another round of betting takes place when the fourth and final card opens on the table, known as the turn. At this stage, players can judge the strength of their own hand, and compare it to that of their opponents based on previous betting patterns.
The final step in the process is the showdown, which involves all remaining players revealing their hands and competing for the prize. Although the final result of a specific hand depends heavily on chance, long-run expected values are determined by decisions made by each player on the basis of probability theory, psychology, and game theory. The key to success in poker is separating the known from the unknown, and the controllable from the uncontrollable.