Academy Contents
Blackjack Basic Strategy
The mathematically optimal way to play every blackjack hand. Learn why basic strategy minimizes the house edge and how to use it.
Key Formula
Optimal Decision = Maximize Expected ValueWhat is Basic Strategy?
Basic strategy is the mathematically optimal way to play every possible blackjack hand against every possible dealer upcard. It is derived from computer analysis of millions of hand combinations and represents the decision that maximizes expected value.
Key Points
- Mathematically optimal play
- Derived from computer simulation
- Minimizes house edge to ~0.5%
- No guesswork—every decision is prescribed
How Basic Strategy Works
For each combination of your hand and the dealer upcard, basic strategy tells you whether to hit, stand, double down, split, or surrender. These decisions maximize your expected return based on probability.
Key Points
- Hard hands: No Ace or Ace counts as 1
- Soft hands: Ace counts as 11
- Pairs: Consider splitting
- Always double 11 vs 2-10
Key Basic Strategy Rules
While memorizing the complete strategy chart takes time, understanding the core principles helps accelerate learning. The most important rules address common situations.
Key Points
- Always split Aces and 8s
- Never split 5s or 10s
- Double down on 11 (except vs Ace)
- Stand on hard 17 or higher
- Hit soft 17 or lower
- Surrender 16 vs 9,10,A (if offered)
Why Deviations Cost Money
Every deviation from basic strategy increases the house edge. Even "common sense" plays like standing on 12 vs 2, or hitting soft 18 vs 7, cost expected value. Following basic strategy precisely is essential.
Key Points
- Hunches have no mathematical basis
- Insurance is rarely correct (unless counting)
- Every mistake increases house edge
- Use strategy cards while learning
Try It Yourself
Apply what you've learned with these interactive tools:
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