概述

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

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v1.3.0 当前

2026-03-30 11:11 安全安全

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