Blackjack Basic Strategy for Double Down: Color-coded Chart
By Ion Saliu, Founder of Blackjack Mathematics
You look at your first two cards. If the cards do not sum up to a count of 9, 10, 11, or do not show soft hands of Ace + 3 to Ace + 7, then you disregard this chart. Move on to the hit-stand situations, which are more frequent than the double downs. The color of action is red — it makes it very intuitive to learn the rules of casino blackjack. If the color of the cell is red, you double up your initial bet. For example, your first two cards total 11. The blackjack dealer's up card (face card) is 8. Signal double down immediately to the dealer by building a pile of chips equal to your initial bet. If dealer's face card were 11, you do NOT double down. The color of the respective cell is grayed out (signifying no action). The Ace gives the Dealer multiple options, whereas you only get one card after doubling down. A double down hand is the most favorable situation for the blackjack player. The player wins 55% of his or her doubling down hands (bets).
The chart is a graphic (double-down.gif). You can right-click on it and select to print it — always in color!
- The most important aspect of gambling mathematics, casino gambling especially, is record keeping. The streaks are the most important parameter in gambling. The infamous gambler's fallacy is the only counterpoint employed by casinos: Player will lose forever . . . but not the house! You might want to do the real mathematics of streaks by running my software, Streaks.
• Always stand on 17 or greater.
• Always split A+A and 8+8.
• Never split 10+10 and 5+5 (unless you seeing Ion Saliu playing that way).
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- Blackjack Split Pairs Strategy Table
Color-coded chart to learn the best Split Pairs strategy. When you get your first two cards, look at this table first. The pairs occur the least in a blackjack game. If your hand is not a pair, move to the next chart: Double Down.
- Blackjack Hit Stand Strategy Table
Color-coded chart to learn the best Hit or Stand strategy. After consulting the Double Down table, finally look at this table. The Hit or Stand decisions are by far the most frequent and important situations in blackjack.
- Blackjack Basic Strategy Tables Split Double Down Hit
All three color-coded charts in one file, in the best decision-making sequence: Split Pairs, to Double Down, to Hit or Stand.
- Basic Strategy Chart for Multiple Deck Blackjack
The traditional method of learning the Basic Strategy: all decisions in a table. The dealer up card is listed across (horizontally), while the player's first two cards are listed vertically in the leftmost column. For example, dealer's up card is 5. Player's first two cards: A+4; the right move: D (Double Down). It makes it somehow more difficult to learn the best decisions.
- Download Blackjack Software.
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