Open Source Portfolio Project

Learn Blackjack

Play with real casino odds. Learn the mathematically proven strategy. Track your decisions — and actually get better.

Everything you need to play smarter

Real Blackjack Odds

6-deck shoe, 3:2 payouts, dealer stands soft 17 — the same rules as a Vegas Strip table.

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Learn Basic Strategy

The mathematically proven way to play every hand. Reduce the house edge to under 0.5%.

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Skill-Tuned Hints

Five difficulty levels from Beginner to Expert. Hints adapt to how much guidance you want.

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Track Your Accuracy

Every decision is compared to optimal strategy. See exactly where you deviate — and why.

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In-Game Chips

No real money — just chips. Start with 1,000 and keep them between sessions.

Why Basic Strategy works

Basic Strategy is the mathematically optimal decision for every possible hand combination — derived from running hundreds of millions of simulated hands. With perfect play, the house edge drops to under 0.5%. No other non-counting method comes close.

~0.5%
House Edge
with perfect basic strategy
3:2
Payouts
blackjack pays 3 to 2
6
Decks
standard Vegas shoe
View Full Strategy Chart →

LearnBJ — A passion project. For educational purposes only. No real money.

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