Blackjack Strategy Helper

A comprehensive blackjack strategy learning system featuring both a mobile app and a command-line script to help you master basic strategy and improve your blackjack game.

A clean, intuitive React Native Expo app that provides real-time blackjack strategy recommendations.

• Deck Size Selection: Choose from 1, 2, 4, 6, or 8 decks (most casinos use 6-8 decks)
• Interactive Card Interface: Tap to select your cards and dealer's up card
• Real-time Strategy: Instant basic strategy recommendations as you build your hand
• Hand Analysis: Shows hand value, soft/hard status, and pair detection
• Color-coded Actions: Visual feedback with different colors for each action type
• Smart UI Flow: Progressive interface that reveals sections as you add cards
• Action Guidance: Detailed explanations for each recommended action
• Card Addition: Continue playing a hand by adding cards after hits or doubles

1. Deck Selection: Start by choosing the number of decks (affects strategy slightly)
2. Build Your Hand: Tap cards to add them to your hand (minimum 2 cards required)
3. Dealer Card: Once you have 2+ cards, select the dealer's visible card
4. Get Strategy: App instantly calculates and displays the mathematically optimal action
5. Interactive Recommendations:
   • For Hit: Add the card you drew to see the next recommendation
   • For Double: Add the one card you receive to see final hand value
   • For Split: Use "New Hand" to evaluate each split hand separately
   • For Stand: Hand is complete
6. New Hand: Reset everything to start a fresh hand

# Navigate to the app directory
cd blackjack-strategy
# Install dependencies
npm install
# Start the development server
npm start
# Run on specific platforms
npm run android # Android device/emulator
npm run ios # iOS device/simulator 
npm run web # Web browser

• Built with React Native and Expo for cross-platform compatibility
• Implements complete basic strategy tables for pairs, soft hands, and hard hands
• Supports standard casino rules (dealer hits soft 17)
• Clean, modern UI with dark theme
• Bottom sheet modal for recommendations with detailed explanations
• Responsive design optimized for phones and tablets

A comprehensive command-line blackjack strategy tool with two modes: advice mode and interactive play mode.

• Game Advice Mode: Quick strategy lookup for any hand situation
• Interactive Play Mode: Full blackjack simulation with bankroll management
• Strategy Validation: Test different scenarios and see outcomes
• Bankroll Tracking: Simulate real casino play with win/loss statistics
• Hand Simulation: See what happens after taking recommended actions
• Bust Analysis: Analyze hands that have already busted
• Educational Notes: Insurance warnings and strategy explanations

• Quick Input: Enter your cards (e.g., "K,6") and dealer card
• Instant Strategy: Get immediate basic strategy recommendation
• Action Execution: Script simulates taking the recommended action
• Continued Play: Add cards after hits to see next recommendations
• Bust Analysis: Enter "bust K,6,10" to analyze losing hands
• Statistics: Track your hypothetical wins/losses over time

• Full Simulation: Complete blackjack game with proper dealing
• Bankroll System: Start with R1000, place bets, track winnings
• Multiple Hands: Handle splits and multiple hands per round
• Dealer Play: Automatic dealer play following casino rules
• Strategy Guidance: See recommendations but choose your own actions
• Game Statistics: Track hands played, win rate, and bankroll changes

# Ensure you have Python 3.6+ installed
python --version
# Run the script directly (no dependencies required)
python black_jack.py
# Or make it executable and run
chmod +x black_jack.py
./black_jack.py

# Quick strategy lookup
Your cards: A,6
Dealer shows: 5
# Output: A,6 vs 5 → ACTION: D (Double)
# Bust analysis 
bust K,6,8
Dealer shows: 10
# Analyzes the busted hand for learning
# View statistics
stats
# Shows win/loss record and percentages

• H (Hit): Take another card - used when your hand total is low
• ST (Stand): Keep your current hand - used when risk of busting is high
• D (Double): Double your bet and receive exactly one more card - used on strong starting hands
• SP (Split): Separate a pair into two hands, each with its own bet - used with specific pairs

Both tools implement mathematically optimal basic strategy based on:

• Player Hand Composition: Pairs, soft hands (with Ace as 11), hard hands
• Dealer Up Card: Visible dealer card (2-10, J, Q, K, A)
• Number of Decks: Affects strategy slightly (fewer decks = better for player)
• Standard Casino Rules: Dealer hits soft 17, doubling after split allowed

The strategy provides the best statistical chance of winning each hand according to computer simulations and mathematical analysis developed over decades.

• Learning basic strategy for the first time
• Quick strategy lookup during actual casino play
• Practicing hand recognition and decision-making
• Teaching others blackjack strategy

• Deep practice with realistic game simulation
• Testing your strategy knowledge with bankroll pressure
• Analyzing complex scenarios and hand progressions
• Studying long-term results and win rates

• Insurance: Never take insurance - it's a side bet with ~7% house edge
• Deck Penetration: In real casinos, prefer games with deeper deck penetration
• Table Rules: Look for tables where dealer stands on soft 17
• Bankroll Management: Never bet more than you can afford to lose
• Practice: Use these tools to practice until strategy becomes automatic

• Android: Android 5.0+ (API level 21+)
• iOS: iOS 10.0+
• Web: Modern browser with JavaScript enabled
• Development: Node.js 14+ and Expo CLI

• Python: 3.6 or higher
• Operating System: Windows, macOS, or Linux
• Dependencies: None (uses only Python standard library)