Poker is a card game for two or more players in which each player wagers money on the outcome of their hand. It is one of the most popular games in the world, and has a wide range of variations.

It involves a lot of skill and strategy to win, and a bit of luck as well. It’s not as complicated as chess or go, but it’s also not easy to master.

The basic game begins with a dealer dealing cards to each player. Each player must then place a bet or fold his hand to continue playing. The betting round then continues clockwise until all players have had a chance to bet or fold their hands.

Typically, a player’s first bet is equal to the largest of his previous bets. He then may increase his bets if he thinks he has a better hand.

Another common poker move is bluffing. This is when a player pretends to have a weaker hand in order to get other players to raise their bets.

You can see the effect of bluffing by looking at the percentage of raises that come from other players when a bluff is made. This can give you a good idea of how often your opponent will bluff, and thus help you decide if he’s a player worth keeping an eye on.

Other common poker etiquette mistakes include talking when you’re not in the hand, counting chips, and trying to hide your high-value chips to create an illusion of a shorter stack. These actions can significantly hurt your win rate and are therefore best avoided.