Blackjack is a game of chance and skill. Having a solid strategy will minimize the house edge and optimize your chances of winning. Learning basic strategy will help you make decisions based on mathematics rather than emotion.
Effective money management is also an important part of blackjack success. You should set a limit for your total blackjack bankroll and a session bankroll to prevent yourself from losing too much money.
Basic strategy
Basic strategy is the set of decisions that help you minimize the house edge in blackjack. It is based on math and takes the emotion out of your decision-making. For instance, you’ll know that splitting fours isn’t a good idea against a dealer three and that you should never double down with a soft seventeen against a five.
Blackjack players who use a simple card counting system can reduce the house edge to almost zero, even in games with more than eight decks. However, it is hard to keep track of the count when there are more than 8 cards in play. It is also difficult to make effective decisions when the game is played at a busy casino table.
The correct basic strategy for any game varies depending on the rules of the casino, so you should learn your particular game’s rules before playing. It’s also important to avoid alcohol when gambling, as it can decrease your inhibitions and increase the chances of risky betting and play.
Splitting pairs
Splitting pairs in blackjack is a big part of the basic strategy, and it can dramatically increase your winning chances. However, players often get confused about when it is a good idea to split and when not. The answer to this question is largely determined by the dealer’s upcard. For example, a pair of fours should be split against a dealer’s 2 through 7, but should not be split against a dealer’s 8, 9 or higher.
The correct play for splitting pairs is also impacted by the set of playing conditions a particular blackjack variation offers. For instance, players are presented with more mathematically optimal splitting opportunities in games that allow doubling after split (DAS). But, it is important to remember that splitting pairs can be a costly move if done incorrectly. For this reason, it is best to stick to the rules of a particular game when playing with pairs.
Double down
Doubling down is a risky but rewarding move in blackjack. It increases your chances of hitting or getting very close to 21, but you must understand the rules and timing to make this bet successful. Also, you need to know how different casino rules might affect your decision to double down.
To double down, place an additional bet equal to your initial wager next to your chips and use a hand signal or verbal confirmation to indicate your intention to the dealer. You must also agree to stand with your new total once the dealer has given you one more card. The best time to double down is when you have a 10 or 11, although it can be an option with a 9 as well, if the dealer’s upcard is weak. Remember, however, that doubling down is a risky action and will double your wager. It can also be a costly mistake, especially if you lose.
Insurance
Blackjack insurance is a side bet that pays out 2 to 1 if the dealer has a blackjack. It’s generally accepted as a sucker bet, although it can make sense in certain situations. However, the house edge on this bet is high, and it can significantly increase the casino’s advantage in a game that uses multiple decks of cards.
Insurance bets are made by placing chips in a special area of the table. The maximum amount of money that can be placed on insurance is usually half of the player’s original wager. In physical casinos, players will find a separate section for this bet, while online games will show an icon next to the main wager area.
While many players pooh-pooh the idea of insuring their bets, this type of side bet can be useful for protecting your bankroll against the risk of losing to a blackjack. It can also give you more time to place other bold bets.