Blackjack Strategy Guide
Provides optimal action recommendations based on mathematical probability.
Decision Rules
Hard Totals (A counts as 1)
| Player Total | Dealer 2-6 | Dealer 7-10 | Dealer A |
|---|---|---|---|
| 8 or less | Hit | Hit | Hit |
| 9 | Double | Hit | Hit |
| 10 | Double | Double | Double |
| 11 | Double | Double | Hit |
| 12-16 | Stand | Hit | Hit |
| 17+ | Stand | Stand | Stand |
Soft Totals (A counts as 11)
| Player Hand | Dealer 2-6 | Dealer 7-A |
|---|---|---|
| A,2-6 | Hit | Hit |
| A,7 | Stand | Hit |
| A,8-9 | Stand | Stand |
Pairs
| Pair | Dealer 2-6 | Dealer 7-A |
|---|---|---|
| A-A | Split | Split |
| 8-8 | Split | Split |
| 9-9 | Split | Stand |
| 7-7 | Split | Hit |
| 2-2, 3-3, 6-6 | Split | Hit |
| 4-4, 5-5, 10-10 | Don't split | Don't split |
How to Use
Provide:
- Player's hand (e.g., 15, soft 17, pair of 8s)
- Dealer's upcard (e.g., dealer 7, dealer Q)
Recommendations:
- Hit = Take another card
- Stand = Keep current hand
- Double = Double bet, get exactly one more card
- Split = Split pair into two hands
- Surrender = Forfeit half bet (first decision only)
Examples
"Player 15, dealer 7" → Recommend: Hit (12-16 vs 7-A)
"Pair of A's, dealer 6" → Recommend: Split
"Soft 18, dealer 9" → Recommend: Stand
"Player 11, dealer A" → Recommend: Hit
Supported Languages
| Language | 21点 Expression | Keywords |
|---|---|---|
| English | Twenty-one | blackjack, hit, stand, double, split |
| 中文 | 二十一点 | 21点、要牌、停牌 |
| 日本語 | ブラックジャック | ヒット、スタンド |
| Français | Vingt-et-un | tirer, rester, doubler |
| Español | Veintiuno | pedir, plantarse |