How to Reduce the House Edge in Blackjack


Blackjack is a card game that pits the player against the dealer. The player is given two cards, and tries to build a hand that totals 21 points or more. The highest hand wins; however, it is not as easy to get a 21 as it may seem. This is why some players use a strategy to increase their chances of winning.

Blackjack tables are generally circular and can accommodate different numbers of players, or “spots”. Each player has a betting area that is separate from the rest of the table. The table is usually topped with a felt surface and has a special chip rack to hold the chips.

There are some basic rules that apply to all blackjack games. For example, a player cannot take more than one bet at a time. The dealer must also keep their cards face up at all times and can only peek at them when they are delivering a card to another player. In some games, the dealer will offer “insurance” to players who have a pair of 10s in their hand. The player should never take this bet because it will cost them money over the long run. The dealer has a less than one-third chance of having a blackjack, so the insurance bet is a losing proposition for the player.

Generally speaking, the house edge for blackjack is quite low compared to other casino games. This is because the dealer can only win when the players bust, and players can beat the dealer’s hands by following a sound strategy. In fact, a good blackjack player will lose on average less than 1% of their action over the long run. The house edge for a player who doesn’t follow the basic strategy is higher than that, though, and can rise significantly depending on the rules of the game.

Mathematics and Blackjack

Many people believe that math is not important for blackjack, but this couldn’t be more wrong. The ability to count cards is very useful for improving your odds at the game, and it can even help you make money. In fact, a professional blackjack dealer is often required to have competence in math, which helps them calculate the earnings of winning customers quickly and accurately.

The best way to reduce the house advantage in blackjack is to learn a basic strategy. This will tell you when to hit, stand, double down, and split based on the value of your hand and the dealer’s visible card. There are slight variations in basic strategy based on the exact rules of each game, but it is still the most reliable method for beating the house. Colin Sullivan is the founder of Blackjack Apprenticeship, a training organization for people interested in learning how to count cards for blackjack. He has been counting cards for over 15 years and once ran a multi-million dollar blackjack team. He has been featured in the documentary Holy Rollers and on CNN, The Colbert Report, and the New York Times.