Poker is a card game in which players make bets with chips representing money (called the pot) to win cash or other units. The game is primarily chance, but skill and psychology are important components. It is played both casually and competitively, with tournament play becoming increasingly popular.

In a typical game, each player is dealt two cards face down and then places their bets before the dealer deals an additional card or “flop.” A round of betting then begins, with the player to the left of the dealer starting. If a player has a strong hand, he may bet high to scare off weaker players and raise the value of the pot.

A strong hand is one that contains at least three matching cards or two pairs of cards. The highest pair is known as a “full house.” The full house is worth more than the other two hands, but less than a straight or flush.

One of the most important lessons from poker is that it’s essential to weigh risks and rewards in decision-making. Trying to be safe can often mean missing out on opportunities that could have yielded a large reward.

To be successful at poker, players must learn to read the betting patterns of other players. They should also pay attention to the size of their opponents’ chip stacks, as players with short stacks are more likely to be desperate for wins and are thus easier to bluff against.