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What Is Single Deck Blackjack

Single deck blackjack is exactly how it sounds. This blackjack variant gives the player a higher chance to win than standard blackjack at retail or online casinos, which is typically played with six decks. If you’re unfamiliar USA online gambling, the goal of blackjack is to earn a hand as close to 21 as possible without going over and having a higher hand total than the dealer.

The biggest difference between single deck blackjack and normal online blackjack is the number of decks used. This alters a player’s win probability and chance to earn blackjack, as well as lower the dealer’s chances to get blackjack in the same game.

Reasons Why Single Deck Blackjack Is Better For Players

There are three key reasons why single deck blackjack is better for players than six-deck blackjack. With single deck, the probability of getting blackjack is higher. The exact probability of getting blackjack in single deck is one in every 20.72 hands. With six decks, your probability of getting blackjack is one in 21.02 hands. The dealer’s probability of getting blackjack in the same game decreases from one in 21.92 hands to one in 27.25 hands in single deck. Also, your chances of getting a desirable card when doubling on 10 or 11 are better in single deck.

Single Deck Blackjack Rules

Although players have a greater edge compared to standard blackjack, the single deck blackjack rules are about the same. The only two different rules USA online casinos enforce for single deck are no surrenders and players only get one hand per round. Standard online blackjack with multiple decks allows you to play up to three hands at once.

  • Dealer hits on soft 17
  • Only one card is given to split aces
  • No re-splitting of aces
  • A split ace and a 10-value card aren’t blackjack
  • Player blackjack pays 3-to-2
  • Insurance pays 2-to-1
  • All other winning hands are paid 1-to-1

Single Deck Blackjack Strategy

It's much easier to have a single deck blackjack strategy than a six-deck one due to the lower number of cards. There are plenty of different strategies out there, but understanding basic probability can help you win. If you have between 13-18+, you stand in situations where the dealer has less than seven. If you’re in the rough spot between 12 and 16 and the dealer is showing a value between seven-ace, hitting is the best option.

No matter what the dealer has, you should double if you have 11. These are just some basic tips to consider when playing single deck blackjack online. Now that you know how and where to play single deck 21, it’s time to put your skills to the test.

Card Counting In Single Deck Blackjack

In a single-deck game, each card dealt has a more significant impact on the remaining deck composition. This is why they often change decks after every hand or two. Still, the running count is much more accurate and beneficial for players using card-counting strategies. Playing last and seeing the most cards dealt can be a great benefit to your single-deck blackjack strategy.

  • High Counts: Better chance of blackjack or busting. Stand on 12-16 when the dealer is in a bust position.
  • Low Counts: Play aggressively on weaker hands and avoid doubling down, as the table expects low-value cards.

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