Basic strategy for single-deck games, S17
The table below illustrates basic strategy for S17 single-deck games. Doubling down is allowed on any 2 cards, double down after split is permitted (DAS) and there is no surrender. The dealer peeks. The casino has an estimated disadvantage of -0.15%.
Jul 31, 2014 blackjack basic strategy is all the best decisions to take based on the value of your hand and the faceup card of the bank. This strategy is based on the mathematical work of Baldwin in the 60’s. Using this strategy you will obviously not win every hand, however the edge of the bank will be reduced to less than 1. Nov 20, 2018 Busting is the worst. So what if you just never hit a hand that could go over 21? In this video, long time blackjack players Colin Jones and Loudon Ofton explain why using a 'no bust' strategy. For many years, Peter Griffin’s Theory of Blackjack and Stanford Wong’s Basic Blackjack were the player’s best resources for the “correct” basic strategy for any number of decks and rules. These charts are organized by rule and rule variation. Players are advised to check the particular casino or casino area rules to determine which chart and possibly which portions of the charts are.
| Player's hand | Dealer's up-card | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | T | Ace | |
| Hard hand totals | ||||||||||
| 5 | H | H | H | H | H | H | H | H | H | H |
| 6 | H | H | H | H | H | H | H | H | H | H |
| 7 | H | H | H | H | H | H | H | H | H | H |
| 8 | H | H | H | D | D | H | H | H | H | H |
| 9 | D | D | D | D | D | H | H | H | H | H |
| 10 | D | D | D | D | D | D | D | D | H | H |
| 11 | D | D | D | D | D | D | D | D | D | D |
| 12 | H | H | S | S | S | H | H | H | H | H |
| 13 | S | S | S | S | S | H | H | H | H | H |
| 14 | S | S | S | S | S | H | H | H | H | H |
| 15 | S | S | S | S | S | H | H | H | H | H |
| 16 | S | S | S | S | S | H | H | H | H | H |
| 17 | S | S | S | S | S | S | S | S | S | S |
| Soft hand totals | ||||||||||
| A-2 | H | H | D | D | D | H | H | H | H | H |
| A-3 | H | H | D | D | D | H | H | H | H | H |
| A-4 | H | H | D | D | D | H | H | H | H | H |
| A-5 | H | H | D | D | D | H | H | H | H | H |
| A-6 | D | D | D | D | D | H | H | H | H | H |
| A-7 | S | D/S | D/S | D/S | D/S | S | S | H | H | S |
| A-8 | S | S | S | S | D/S | S | S | S | S | S |
| A-9 | S | S | S | S | S | S | S | S | S | S |
| Pairs | ||||||||||
| 2-2 | SP/H | SP | SP | SP | SP | SP | H | H | H | H |
| 3-3 | SP/H | SP/H | SP | SP | SP | SP | SP/H | H | H | H |
| 4-4 | H | H | SP/H | SP/D | SP/D | H | H | H | H | H |
| 5-5 | D | D | D | D | D | D | D | D | H | H |
| 6-6 | SP | SP | SP | SP | SP | SP/H | H | H | H | H |
| 7-7 | SP | SP | SP | SP | SP | SP | SP/H | H | S | H |
| 8-8 | SP | SP | SP | SP | SP | SP | SP | SP | SP | SP |
| 9-9 | SP | SP | SP | SP | SP | S | SP | SP | S | S |
| 10-10 | S | S | S | S | S | S | S | S | S | S |
| Ace-Ace | SP | SP | SP | SP | SP | SP | SP | SP | SP | SP |
Legend:
H – Hit
S – Stand
D – Double down (Hit, if not allowed)
SP – Split
D/S – Double down (Stand, if not allowed)
SP/H – Split if Double Down After Split is allowed (Hit, if not allowed)
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Basic strategy for single-deck games, H17
The table below illustrates basic strategy for H17 single-deck games. Doubling down is allowed on any 2 cards, double down after split is permitted (DAS) and there is no surrender. The dealer peeks. The casino has an estimated edge of 0.04%.
| Player's hand | Dealer's up-card | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | T | Ace | |
| Hard hand totals | ||||||||||
| 5 | H | H | H | H | H | H | H | H | H | H |
| 6 | H | H | H | H | H | H | H | H | H | H |
| 7 | H | H | H | H | H | H | H | H | H | H |
| 8 | H | H | H | D | D | H | H | H | H | H |
| 9 | D | D | D | D | D | H | H | H | H | H |
| 10 | D | D | D | D | D | D | D | D | H | H |
| 11 | D | D | D | D | D | D | D | D | D | D |
| 12 | H | H | S | S | S | H | H | H | H | H |
| 13 | S | S | S | S | S | H | H | H | H | H |
| 14 | S | S | S | S | S | H | H | H | H | H |
| 15 | S | S | S | S | S | H | H | H | H | H |
| 16 | S | S | S | S | S | H | H | H | H | H |
| 17 | S | S | S | S | S | S | S | S | S | S |
| Soft hand totals | ||||||||||
| A-2 | H | H | D | D | D | H | H | H | H | H |
| A-3 | H | H | D | D | D | H | H | H | H | H |
| A-4 | H | H | D | D | D | H | H | H | H | H |
| A-5 | H | H | D | D | D | H | H | H | H | H |
| A-6 | D | D | D | D | D | H | H | H | H | H |
| A-7 | S | D/S | D/S | D/S | D/S | S | S | H | H | H |
| A-8 | S | S | S | S | D/S | S | S | S | S | S |
| A-9 | S | S | S | S | S | S | S | S | S | S |
| Pairs | ||||||||||
| 2-2 | SP/H | SP | SP | SP | SP | SP | H | H | H | H |
| 3-3 | SP/H | SP/H | SP | SP | SP | SP | SP/H | H | H | H |
| 4-4 | H | H | SP/H | SP/D | SP/D | H | H | H | H | H |
| 5-5 | D | D | D | D | D | D | D | D | H | H |
| 6-6 | SP | SP | SP | SP | SP | SP/H | H | H | H | H |
| 7-7 | SP | SP | SP | SP | SP | SP | SP/H | H | S | H |
| 8-8 | SP | SP | SP | SP | SP | SP | SP | SP | SP | SP |
| 9-9 | SP | SP | SP | SP | SP | S | SP | SP | S | S |
| 10-10 | S | S | S | S | S | S | S | S | S | S |
| Ace-Ace | SP | SP | SP | SP | SP | SP | SP | SP | SP | SP |
Legend:
H – Hit
S – Stand
D – Double down (Hit, if not allowed)
SP – Split
D/S – Double down (Stand, if not allowed)
SP/H – Split if Double Down After Split is allowed (Hit, if not allowed)
Rules tend to vary from casino to casino but the strategies displayed in these tables are applicable to all circumstances, with little adaptation.
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For example, we said that D stands for double down (or Hit, if not allowed). If you are playing a D9 game where you can double down only on hands with value of 9, 10 or 11, you won't be able to double on an 8 versus a dealer's 6 like the table says. Instead, as the legend proposes, you should hit it.
Using these tables is completely straightforward – check the value of your hand, check what up-card the dealer holds and look where in the table the two conditions coincide.
Also, these rules apply to whatever number of cards your hand consists of. If, for example, you have a hard 7 versus the dealer's 7, according to the table, you should hit the hand. If you draw a 4 for a new hard 11, you should next double down, as the table shows.
Hard hands greater than 17 are played like a hard 17 – stand on all.
Blackjack Basic Strategy 6 Deck
One of the best ways to increase your chances of winning at blackjack is by learning about basic strategy. Basic strategy is based on the mathematics of the game of blackjack. Mathematicians, statisticians and computer simulations have tested and discovered the best move in any situation in a game of blackjack, based on the player’s cards and the dealer’s up card. When you have a good understanding of this strategy of odds you can greatly reduce the house advantage and win at blackjack a majority of the time.
If you are interested in learning basic strategy you can find a number of basic strategy charts online, as well as in books about the game of blackjack. The chart will show your hand on one axis and the dealer’s card on the other axis. Match them up on the chart to find out what the best move is (i.e. to hit, to stand, to double down, to split or to surrender).
Basic strategy changes slightly depending on the blackjack variation you are playing, as well as the number of decks in play. However, the strategy is still pretty much the same across the board. Read on for some tips that you can use to apply basic strategy to your blackjack games.
The following strategies should be applied when you have a hard hand. A hard hand is one that does not contain an Ace:
- Always hit on a hand worth a value of 8 or less.
- When you have 9, double down when the dealer has a 3, 4, 5 or 6. Otherwise hit.
- When you have a 10, double down when the dealer has 2 through 9. Otherwise hit.
- When you have an 11, hit if the dealer has Ace. Otherwise double down.
- When you have 12, stand if the dealer has 4 through 6. Otherwise hit.
- When you have 13 through 16, stand if the dealer has 2 through 6. Otherwise hit.
- Always stand on hard hands valued at 17 through 21.
If you have a soft hand, containing an Ace, then the following basic strategies should be used:
Blackjack Basic Strategy One Deck
- If you have Ace-8 or Ace-9 you should always stand.
- If you have Ace-7, double when the dealer has 3 through 6 and stand when the dealer has 2, 7 or 8. Otherwise hit.
- If you have Ace-6, double when the dealer has 3 through 6. Otherwise hit.
- If you have Ace-4 or Ace-5, double if the dealer has 4, 5 or 6. Otherwise hit.
- If you have Ace-2 or Ace-3, double down when the dealer has 5 or 6. Otherwise hit.
Pairs should be played as follows:
- Split 2s and 3s when the dealer has 2 through 7.
- Split 4s when the dealer has 5 or 6.
- Split 5s when the dealer has 2 through 9.
- Split 6s when the dealer has 2 through 6.
- Split 7s when the dealer has 2 through 7.
- Always split 8s.
- Split 9s when the dealer has 2 through 6, 8 or 9 and stand when the dealer has 7, 10 or Ace.
- Always stand on 10s or Face cards.
Make sure to also read:

- How to Play Like a Blackjack Pro.
- Learn more about Blackjack cheating.
- Find out which Blackjack you play – European Blackjack or American Blackjack.
- Like the other card games, find out what’s the Blackjack house advantage.
- Blackjack Tips to help you get past the myths and play to your full potential are included.