Blackjack Basic Strategy: When to Hit, Stand, Double & Split

Blackjack is the one casino card game where your decisions genuinely affect the outcome. Unlike pure chance games, a player using basic strategy can reduce the house edge to under 1%, and understanding the logic behind each decision transforms the game from gambling into informed decision-making. This guide covers the fundamental strategies you need to play Blackjack on Ward Games optimally, from basic strategy charts to bankroll management.

Understanding Basic Strategy

Basic strategy is a mathematically derived set of rules that tells you the optimal play for every possible hand combination. It accounts for your hand total, the dealer's upcard, and whether you have a soft hand (containing an ace counted as 11). Following basic strategy perfectly is the foundation of good blackjack play.

• Basic strategy is not a hunch. Every recommendation is calculated from millions of simulated hands. It represents the play that loses the least or wins the most over time. Deviating based on gut feelings always increases the house edge.
• The dealer's upcard drives your decisions. Your hand alone does not determine the correct play. A 16 against a dealer 6 is very different from a 16 against a dealer 10. Always consider both pieces of information together.
• Memorize the chart, then internalize it. Start by consulting a basic strategy chart. Over time, the patterns become intuitive: hit against strong dealer cards, stand against weak ones, and double when you have the advantage.

When to Hit and When to Stand

The hit/stand decision is the most common choice in blackjack. The general principle is simple: hit when the odds favor improving your hand, and stand when the risk of busting outweighs the potential improvement.

• Always hit hard 8 or below. You cannot bust, and any card improves your position. There is no downside to hitting.
• Always stand on hard 17 or above. The risk of busting is too high, and 17+ is a competitive total. Even hard 17 against a dealer ace should be a stand in most rule variations.
• The critical range is 12-16. This is where basic strategy earns its keep. Against dealer 2-6 (weak upcards), you generally stand on 12-16 because the dealer is likely to bust. Against dealer 7-Ace (strong upcards), you hit because standing on a weak total against a strong dealer hand loses more often than the risk of busting.
• Specific exception: hit 12 against dealer 2 or 3. While 12 is in the "stand against weak cards" range, the dealer's 2 or 3 is not weak enough. The math slightly favors hitting here.

Soft Hands: The Power of the Flexible Ace

A soft hand contains an ace counted as 11. These hands are special because you cannot bust with one hit. The ace simply converts from 11 to 1 if the total would exceed 21. This safety net changes the strategy significantly.

• Soft 17 and below: always hit or double. You have nothing to lose and everything to gain. A soft 13 (A-2) can become a hard 13 at worst, and you had to hit that anyway.
• Soft 18 is not a strong hand. Many players stand on soft 18 every time, but basic strategy says to hit against a dealer 9, 10, or Ace. An 18 is an underdog against those strong upcards, and the flexible ace lets you try for improvement without risk.
• Soft 19 and 20: always stand. These are strong hands and should never be risked, even with the ace safety net. Soft 20 (A-9) is one of the best possible hands.
• Double on soft hands against weak dealer cards. Soft 13-18 against a dealer 5 or 6 are prime doubling situations. The dealer is likely to bust, and you get to double your bet while holding a flexible hand.

Doubling Down: Maximizing Your Advantage

Doubling down lets you double your bet in exchange for receiving exactly one more card. This is your primary tool for increasing profits when the odds are in your favor. Missing a double-down opportunity costs you more than almost any other mistake.

• Always double on 11. Against every dealer upcard from 2 through 10, doubling on 11 is correct. You have the best chance of drawing a 10-value card to make 21. Against a dealer ace, some rule sets still favor doubling.
• Double on 10 against dealer 2-9. A 10 is strong enough that doubling is profitable against all but the strongest dealer upcards (10 and Ace).
• Double on 9 against dealer 3-6. A 9 is only strong enough to double against the weakest dealer upcards. Against 2 or 7+, just hit normally.
• Never double on 8 or below, or 12 and above. Eight is too weak to risk extra money, and 12+ risks busting with a single card on which you cannot take another hit.

Splitting Pairs: When and Why

When you are dealt two cards of the same rank, you may split them into two separate hands. Each hand receives a new second card and is played independently. Splitting is profitable in specific situations and costly in others.

• Always split Aces and 8s. A pair of aces is a soft 12, a terrible hand. But each ace as a separate hand starts at 11, giving you two chances at 21. A pair of 8s is 16, the worst total in blackjack. Two separate 8s each have a fighting chance.
• Never split 10s or 5s. A pair of 10s is 20, one of the best hands possible. Splitting it turns a near-certain win into two uncertain hands. A pair of 5s is 10, a strong doubling hand. Double down instead of splitting.
• Never split 4s. A pair of 4s is 8, and two separate 4s are both weak starting points. Keep the 8 and hit.
• Split 2s, 3s, 6s, 7s against weak dealer cards. Against dealer 2-7, these low pairs benefit from splitting. Against dealer 8+, keep them together and hit.
• Split 9s against dealer 2-9 except 7. A pair of 9s is 18, which seems decent. But against most dealer upcards, two separate 9s each have a good chance of reaching 19. Stand on 18 against a dealer 7 because 18 already beats the dealer's likely 17.

Insurance Is a Bad Bet

When the dealer shows an ace, the game offers insurance: a side bet equal to half your original wager that pays 2:1 if the dealer has blackjack. Despite sounding protective, insurance is one of the worst bets on the table for basic strategy players.

• The math does not support it. Insurance pays 2:1, but the probability of the dealer having a 10-value card underneath is only about 30.8% (4 out of 13 ranks). For insurance to break even, the probability would need to be 33.3%. You lose money on insurance in the long run.
• "Even money" is the same trap. When you have blackjack and the dealer shows an ace, taking even money (guaranteed 1:1 payout) is mathematically identical to taking insurance. It feels safe but costs you expected value.
• Always decline insurance. Unless you are counting cards and know the deck is rich in 10s (an advanced technique beyond basic strategy), say no to insurance every single time.

Bankroll Management: Playing Smart Long-Term

Even with perfect basic strategy, blackjack has variance. You will experience winning streaks and losing streaks. Proper bankroll management ensures that short-term bad luck does not end your session prematurely.

• Set a session budget. Before you start playing, decide how much you are willing to lose in this session. Once you reach that limit, stop. This prevents the common trap of chasing losses with increasingly desperate bets.
• Bet consistently. Flat betting (the same amount every hand) is the most sustainable approach for basic strategy players. Avoid progressive systems like Martingale (doubling after losses), which do not change the house edge and can lead to catastrophic losses.
• Keep bets small relative to your bankroll. A common guideline is to bet no more than 2-5% of your total session bankroll per hand. With a bankroll of 100 units, bet 2-5 units per hand. This gives you enough runway to survive normal variance.
• Set a win target too. Just as you limit losses, decide when to walk away ahead. Locking in a profit after a good run feels much better than watching your winnings evaporate because you kept playing. Discipline in both directions is the mark of a smart player.

Common Mistakes to Avoid

Knowing what not to do is just as important as knowing the correct plays. These common errors cost players significant money over time.

• Standing on 16 against a 10. It feels safer than hitting, but the math is clear: hitting 16 against a dealer 10 loses less than standing. You will bust often, but standing loses even more often.
• Never splitting 8s against a strong card. Players see a dealer 10 and think "why would I want two losing hands instead of one?" Because 16 is so much worse than 8. Two 8s each have a real chance of reaching 18, while 16 almost never wins.
• Playing hunches instead of strategy. "I feel like a 10 is coming" is not a strategy. The deck does not care about your feelings. Trust the math, play the chart, and the results will follow over time.
• Blaming other players. The third-base player taking a card "that should have been yours" does not affect your long-term results. Each hand is independent, and the reshuffled cards are random. Focus on your own decisions.