The Basics of Blackjack

Blackjack is one of the most popular casino games and is often referred to as “the game of 21.” It requires a high degree of analytical thinking, composure, and tenacity. It is also one of the few table games where a player’s skill can directly impact his or her odds of winning or losing. This makes it a fascinating game for both experienced and casual players alike.

When playing blackjack, you are playing against the dealer and not other players at the table. Each hand consists of two cards face up and the dealer’s card face down. If your first two cards total 21, you have a blackjack and win 1.5 times your bet. If the dealer’s up card is a 7, you win even more. If the dealer has a blackjack, you lose your bet.

If your initial two cards have the same numerical value, you may split them and play a second hand. However, blackjack rules only allow you to have one additional card in each hand. When splitting pairs, never split aces. This is a very common mistake and can significantly reduce your chances of getting a blackjack. If you have a pair of 10s, it is generally better to break them than to try and make a blackjack.

You may also place an insurance bet for up to half of your original bet. This bet pays 2 to 1 if the dealer has a blackjack and loses in all other instances.

After all players have placed their wagers, the dealer will check her hole card (using a special viewing window in the table). If she has a ten underneath, she has a blackjack and wins everyone’s original bet. If she has an ace, she will take everyone’s insurance bets and pay them even money.

Blackjack tables have a number of different side bets that you can make in addition to your bet on the game’s main hand. These bets include the option to purchase insurance, doubling your bet after splitting a hand, and betting on whether or not the dealer will bust. Some of these side bets can be profitable, especially for experienced blackjack players who know when to take them and when to avoid them.

The house edge in blackjack is less than 1%, which is among the lowest in casino games. This low house edge is a result of the fact that players who follow basic strategy lose on average less than 1% of their bets over the long run. However, the house edge increases with any deviation from basic strategy. In addition, some of the casino’s rule variations increase the edge over time. These factors are why a skilled blackjack player can beat the dealer with almost any bet.