Get good at blackjack.
A free card counting trainer and a practice table that prices every mistake. Count down a full deck at casino pace, then play hands against basic strategy and Hi-Lo. No signup, no real money.
Quick practiceYour progress saves on your device.
Learn to count cards
Tag cards at speed and hold a Running Count through a full deck at casino pace. Each Counting Exercise grades you. The Counting Course takes you on from there through True Count, bet sizing, and Index Plays.
Start counting →See what every mistake costs
The training table checks each decision against computed expected values as you play. A mistake shows what it costs per $100 bet, so you fix the expensive habits first.
Start training →Numbers we measured ourselves
The strategy chart comes from expected-value math. The house-edge figures come from 20 million simulated hands per rule set. You can rerun any number and check it.
See the numbers →New to the game?
Start with how to play blackjack. Then read why basic strategy works and what card counting pays in practice. When the chart feels familiar, play a full table with the coach grading every hand.
Every tool and guide
Practice
- Blackjack trainer. Drill basic strategy hand by hand.
- Ranked Play. Play scored sessions that count for the leaderboard.
- Card counting trainer. Count a deck at casino pace and convert to a True Count.
- Coach. Play hands while the coach explains each decision.
- Betting calculator. Work out bet sizes from your bankroll and count.
- Trip planner. Estimate what a casino trip costs at your stakes.
Learn
- How to play blackjack. The rules of a hand from deal to payout.
- Basic strategy. Why each play on the chart is the right one.
- Strategy chart. The correct play for every hand, by rule set.
- House edge. What each table rule costs, from simulated hands.
- Card counting. How counting works and what it earns.
- Counting systems. Hi-Lo, KO, Zen and others side by side.
- European blackjack. How strategy changes when the dealer takes no hole card.
- Glossary. Blackjack terms defined in a sentence or two.
Courses
- Basic Strategy Course. Lessons and Checkpoints from stiff hands to rule variations.
- Card Counting Course (Hi-Lo). Lessons from card tags to bet sizing and Index Plays.
- KO Count. An unbalanced count with no True Count conversion.
- Red 7 Count. KO-style counting with red sevens counted as low cards.
- Zen Count. A level-two count that weights cards by their effect.
- Hi-Opt I Count. A level-one count that leaves aces out.
- Hi-Opt II Count. A level-two count with a separate ace count.
- Omega II Count. A level-two count that leaves aces out.
- Wong Halves Count. A count with half-point values for close accuracy.