The Blog
Blackjack & card counting
Tips, news and deep dives on beating the game the smart way.
Can Two Players Count Cards Together?
Yes, two players can count together as a mini-team, but coordinated play crosses from solo counting toward what casinos treat as team play. Here is the nuance.
When to Quit a Winning Session
There is no mathematical reason to quit while winning, but practical limits like fatigue and casino heat make session limits smart. Here is the balance.
Trip Bankroll vs Total Bankroll
Your total bankroll is your whole advantage-play fund; a trip bankroll is what you take on one outing. Here is the difference and why it matters.
How Card Counters Get Paid (Team Splits)
Blackjack teams pool a shared bankroll and split profits by a pre-agreed formula based on hours and role. Here is how it works.
Can You Count Cards in Spanish 21?
You can count Spanish 21, but the missing tens and bonus rules make it more complex and less rewarding than standard blackjack. Here is how it differs.
Super Fun 21 Strategy
Super Fun 21 offers player-friendly bonuses but pays blackjack even money, raising the house edge. Here is the strategy.
Free Bet Blackjack: Is It Beatable?
Free Bet Blackjack gives free doubles and splits but pushes on a dealer 22, raising the house edge. Here is whether it is beatable.
Tommy Hyland's Long-Running Blackjack Team
Tommy Hyland ran the longest-operating blackjack team in history, outlasting the famous MIT teams. Here is the story.
The Blackjack Hall of Fame: The Legends
The Blackjack Hall of Fame honours the players, authors and analysts who shaped advantage play. Here is what it is and who is in it.
Stanford Wong and the Art of Back-Counting
Stanford Wong is the blackjack author who popularised back-counting, now called Wonging. Here is his contribution.
Building Your First Card Counting Bankroll
Your first counting bankroll should be money you can afford to lose, sized to your stakes with a low risk of ruin. Here is how to build it.
How to Estimate the Decks Remaining
Estimating decks remaining from the discard tray is essential for true-count conversion. Here is how to do it accurately.
How to Practice True-Count Conversion
True-count conversion means dividing the running count by the decks remaining, and you can drill it until it is instant. Here is how.
Auto Shufflers vs CSMs: What Counters Need to Know
Batch auto shufflers still allow counting; continuous shuffle machines do not. Knowing the difference protects your edge. Here is how to tell them apart.
The Future of Card Counting in Modern Casinos
Card counting's future is shaped by worse rules, smarter surveillance and more machines, but the math still works. Here is the outlook.
Do Card Counting Devices Work? (And the Law)
Counting devices can work technically but are illegal in most gambling jurisdictions. Here is why you should never use one.
Card Counting Trainers and Simulators Compared
Counting trainers and simulators let you practise at speed and check accuracy before risking money. Here is how the main types compare.
Facial Recognition and Card Counters
Casinos use facial recognition to flag known counters as they enter, making camouflage and game selection harder. Here is how it works.
Can Casinos Legally Keep Your Winnings?
In general a licensed casino cannot keep winnings from legal card counting, though disputes and detention can happen. Here is the picture.
Atlantic City and the Ken Uston Ruling
A court ruling won by Ken Uston means Atlantic City casinos cannot simply ban counters, though they use other countermeasures. Here is the story.
Card Counting in Las Vegas: What to Know
Card counting is legal in Las Vegas, but casinos can back you off and conditions vary widely. Here is what to know.
Griffin Investigations and Casino Databases
Griffin Investigations ran the best-known database of card counters, shared among casinos. Here is what it was and what replaced it.
How Many Hands to Beat the Variance
It can take tens of thousands of hands for a card counter's edge to reliably overcome variance. Here is roughly how many.
Standard Deviation and Your Bankroll
Standard deviation measures how far blackjack results swing from the average, and it sets how big a bankroll you need. Here is the link.
Risk of Ruin: How Often Counters Go Broke
Risk of ruin is the probability of losing your whole bankroll before your edge pays off. Here is how counters keep it low.
The Math Behind Why Card Counting Works
Card counting works because removing specific cards measurably shifts the odds toward the player. Here is the underlying math.
How Variance Affects Card Counters
Variance is the short-term swing that can hide a counter's edge for hundreds of hours. Here is how it works and how to survive it.
Splitting Tens: When (If Ever) to Do It
Basic-strategy players should never split tens; only advanced counters split them in rare, extreme counts. Here is why.
Soft 17: Why H17 vs S17 Changes Everything
Whether the dealer hits or stands on soft 17 noticeably changes the house edge and a few strategy plays. Here is why.
Should You Ever Deviate From Basic Strategy?
Only card counters should deviate from basic strategy, and only when the count justifies it. Here is the rule.
The Kelly Criterion for Blackjack Betting
The Kelly criterion sizes your bets in proportion to your edge and bankroll to grow money fastest without ruin. Here is how counters use it.
The Fab 4 Surrender Deviations Explained
The Fab 4 are the four most valuable surrender deviations for card counters. Here is what they are and when to use them.
Doubling Down: The Complete Guide
Doubling down doubles your bet for one card, best used on strong totals like 10 and 11. Here is the full guide.
The 10-Count: Thorp's Original System
The 10-Count was Edward Thorp's first winning system, tracking tens against other cards. Here is how it worked.
Level 1 vs Level 2 Counting Systems
Level-one counts use values of plus or minus one; level-two counts add twos for more power. Here is the trade-off.
Balanced vs Unbalanced Counts: Which Is Better?
Balanced counts need a true-count conversion; unbalanced counts skip it for simplicity. Here is the trade-off.
Ace Side Counts: When and Why to Use Them
An ace side count tracks aces separately to sharpen betting in systems that ignore them. Here is when it helps.
Never Split These Pairs
Some pairs, like tens, fives and fours, should almost never be split. Here are the pairs to keep together.
When to Double Down on 11
An 11 is the best doubling hand and you double it against almost every dealer card. Here is the rule.
How to Play a Pair of Nines
A pair of nines is usually split, except against a 7, 10 or ace where you stand. Here is the rule.
Dealer Shows an Ace: What Now?
A dealer's ace is the strongest up-card and usually means declining insurance and playing tight. Here is what to do.
What Is a Push in Blackjack?
A push is a tie between you and the dealer, where your bet is returned and no one wins. Here is how it works.
Is Card Counting Still Worth It in 2026?
Card counting still works mathematically in 2026, but worse rules and countermeasures make good games harder to find. Here is the honest verdict.
Does Card Counting Work With 8 Decks?
Yes, counting works with eight decks, but the edge is smaller and penetration matters more. Here is how it changes.
Card Counting Myths, Debunked
Card counting is surrounded by myths, from photographic memory to illegality. Here are the biggest ones, corrected.
Do You Have to Be a Genius to Count Cards?
No. Card counting needs basic addition and practice, not genius-level math. Here is what it really takes.
Is Blackjack Rigged? The Honest Answer
Licensed blackjack is not rigged; the house wins through a built-in edge, not cheating. Here is the honest explanation.
How Much Can a Card Counter Really Earn?
A card counter's earnings come from a thin edge times money wagered, so realistic hourly rates are modest. Here is the honest math.
Setting Your Betting Unit Size
Your betting unit is the building block of every bet you make. Here is how to set it from your bankroll.
Do You Pay Taxes on Blackjack Winnings?
In the US, gambling winnings including blackjack are taxable income. Here is a general overview, but consult a tax professional.
Bankroll Management for Card Counters
Bankroll management keeps your betting proportional to your money so variance cannot wipe you out. Here are the core rules.
How Much Money Do You Need to Count Cards?
You need a bankroll large enough to survive blackjack's swings, usually hundreds of betting units. Here is how to size it.
Blackjack Side Bets: Are They Worth It?
Side bets like Perfect Pairs and 21+3 promise big payouts but carry a high house edge. Here is whether they are worth it.
Pontoon vs Blackjack: The Differences
Pontoon is a blackjack cousin with its own terms and rules. Here is how it differs from standard blackjack.
Double Exposure Blackjack Strategy
In Double Exposure both dealer cards are face up, a huge advantage offset by tougher rules. Here is how to play it.
Blackjack Switch Explained
Blackjack Switch lets you swap cards between two hands, a unique twist balanced by rule changes. Here is how it works.
Spanish 21: Rules and Basic Strategy
Spanish 21 removes the tens but adds player-friendly rules and bonus payouts. Here is how it works and its strategy.
When to Surrender in Blackjack
Surrender lets you give up half your bet on a bad hand. Used correctly it saves money. Here is when to surrender.
Playing a Soft 18 Correctly
Soft 18 is one of the most misplayed hands in blackjack. Here is when to stand, hit or double.
Why You Always Split Aces and Eights
Splitting aces and eights is one of the most reliable rules in blackjack. Here is the reasoning behind it.
Should You Hit or Stand on 12?
A hard 12 is a tricky borderline hand. Here is the correct basic-strategy play against every dealer card.
What to Do With a Hard 16 in Blackjack
Hard 16 is the worst hand in blackjack. Here is the correct basic-strategy play and when a counter deviates.
Is the Movie 21 Accurate?
The film 21 is based on the MIT Blackjack Team, but how much is true? Here is what the movie got right and wrong.
The Four Horsemen of Blackjack
Before Thorp, four US Army soldiers worked out the first accurate blackjack basic strategy by hand. Here is their story.
Ken Uston: The Man Who Sued the Casinos
Ken Uston pioneered big-player team play and won a landmark lawsuit that still protects counters in Atlantic City. Here is his story.
The MIT Blackjack Team: The Real Story
The MIT Blackjack Team took millions from casinos using team play. Here is the real story behind the legend and the movie.
Edward Thorp: The Father of Card Counting
Edward Thorp proved that blackjack could be beaten and launched the entire world of card counting. Here is his story.
Why 3:2 Blackjack Beats 6:5
The difference between 3:2 and 6:5 blackjack payouts is one of the biggest in the casino. Here is why you should always seek 3:2.
What Is Expected Value in Blackjack?
Expected value is the average result of a decision over the long run. It is how every correct blackjack play is chosen. Here is what it means.
What Is the Effect of Removal (EOR)?
The effect of removal is the idea at the heart of card counting: each card that leaves the shoe shifts the odds. Here is what it means.
Blackjack Odds Explained for Beginners
Understanding basic blackjack odds helps you make smarter decisions. Here is a plain-English look at your chances at the table.
What Is the House Edge in Blackjack?
The house edge is the casino's built-in advantage. In blackjack it is unusually small, and good play shrinks it further. Here is how it works.
The Most Common Card Counting Mistakes
A few avoidable mistakes trip up most new card counters. Here are the biggest ones and how to fix them.
Speed Drills for a Faster Card Count
Speed is what separates a casino-ready counter from a beginner. Here are the drills that build a fast, accurate count.
How Long Does It Take to Learn Card Counting?
Most people can learn the basics of card counting in a few weeks. Here is a realistic timeline from first drill to casino-ready.
Counting Down a Deck: The Beginner Drill
Counting down a deck is the first drill every card counter learns. Here is exactly how to do it and what to aim for.
How to Practice Card Counting at Home
You can learn card counting entirely at home with a single deck and a few simple drills. Here is a practice routine that works.
Can ChatGPT Count Cards in Blackjack?
ChatGPT can teach and drill you on card counting, but it cannot count a live shoe for you at a real table. Here is what it can and cannot do.
Are Blackjack Card Counting Apps Legal?
Card counting apps are legal to own and practise with, but using one at a live table is illegal. Here is the important distinction.
The Best Blackjack Rules to Look For in 2026
The rules at a blackjack table can swing the house edge more than any system. Here are the best rules to seek out and the worst to avoid.
Why Online RNG Blackjack Cannot Be Counted
Software blackjack uses a random number generator that reshuffles every hand, so there is no count to keep. Here is why.
Can You Count Cards in Live-Dealer Blackjack?
Live-dealer online blackjack uses real cards, but early shuffling usually makes counting impractical. Here is the honest picture.
What Is a Casino Backoff and What to Do
A backoff is when casino staff ask a suspected counter to stop playing blackjack. Here is what happens and how to handle it calmly.
Is Card Counting Legal in the UK?
Card counting is legal in the UK, but casinos can still refuse service. Here is how the law and casino rights work in Britain.
Card Counting Laws by US State
Card counting is legal across all US states, but casino rights vary. Here is how the law and countermeasures differ by state.
Can a Casino Ban You Just for Winning?
In most places a casino can ban a skilled winner, because it is private property. Here is the exception and what a ban really means.
Can You Get Arrested for Counting Cards?
Counting cards in your head is not a crime, so you cannot be arrested for it. Here is where the real legal line sits.
Camouflage: How Card Counters Avoid Detection
Camouflage is how card counters avoid detection while playing a winning game. Here are the techniques that keep counters in action.
What Is Deck Penetration and Why It Matters
Penetration is how deep into the shoe the dealer deals before shuffling, and it directly controls how much a counter can earn. Here is why it matters.
Betting Spreads: How Much to Bet at Each Count
Your bet spread is the ratio between your smallest and largest bet, and it is where most of a counter's edge comes from. Here is how to set one.
The Illustrious 18: The Key Counting Deviations
The Illustrious 18 are the most valuable count-based deviations from basic strategy. Here is what they are and why they matter.
When to Take Insurance in Blackjack (Almost Never)
Insurance is a side bet against the dealer having blackjack, and for basic-strategy players it is almost always a loser. Here is when, if ever, to take it.
The Wong Halves Count Explained
The Wong Halves is a highly accurate level-three count that uses fractional values. Here is how it works and who it is for.
Red 7 Count: An Easy Step Up From KO
The Red 7 count is a beginner-friendly unbalanced system, a small step up from KO. Here is how it works.
Omega II Count: Is the Extra Power Worth It?
The Omega II count is a powerful level-two system. Here is what it gains you and whether the difficulty pays off.
Hi-Opt I vs Hi-Opt II: What Is the Difference?
Hi-Opt I and Hi-Opt II are precise, ace-neutral counts. Here is how they differ and which one is worth the effort.
KO (Knockout) Count: The Unbalanced System Explained
The KO count is an unbalanced card counting system that skips the true-count math. Here is how it works and who it suits.
Continuous Shuffle Machines: Why Card Counters Avoid Them
A continuous shuffle machine reshuffles after every hand, so there is no count to keep. Here is how to spot one and why counters walk away.
The Zen Count vs Hi-Lo: Which Should You Learn?
The Zen Count squeezes a little more edge out of the deck than Hi-Lo, but at the cost of harder mental math. Here is who each system is really for.
Wonging in Blackjack: The Back-Counting Strategy Explained
Wonging, or back-counting, lets you watch a table and sit down only when the count is in your favour. Here is how it works and why casinos dislike it.