This classic is one of the most popular games among players in any land-based or online casino. Originally known simply as ‘21’, the name ‘Blackjack’ caught on once the card game reached the United States. There’s no greater feeling for a player than getting a natural blackjack. 

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…testing your knowledge with our lessons such as the Basic Strategy Decision Test, Basic Strategy Matrix, Hi-Lo Count and other lessons.

With a low house edge, a session of blackjack is easier on your bankroll than many other casino games. Here at BJ21, we’ve got the material to take you from novice to advanced practitioner. You’ll find a plethora of topics covered from basic strategy, rules, games to avoid and much more. Our team has created a library of related articles for you to browse through.

Table games coming to new york city

Table games coming to New York City

March 17, 2021 5:37 am
BJ21 News Service

Resorts World is New York City’s only casino, but it can only offer slot machines and electronic table games Under...

Splitting tens in blackjack

Splitting tens in blackjack?

July 24, 2019 5:11 am

Splitting tens in blackjack is a high-EV play when done correctly, though many experts advise against it because the play can be...

Investing in Blackjack

June 14, 2019 5:07 am
Stanford Wong

In spite of impressive winnings, you can be treated as a preferred customer at those casinos that encourage heavy bettors....

Introduction to winning at blackjack

Introduction to winning at blackjack

May 15, 2019 4:27 am
Stanford Wong

Learning how to win at blackjack involves three initial steps: 1. Learn basic strategy. 2. Build speed at counting...

Will casinos ever rresort to good blackjack rules to be competitive

Will casinos ever “resort” to good blackjack rules to be competitive?

March 1, 2019 4:24 am

Are there any examples of casinos improving blackjack or other game rules, or lowering poker rakes or food prices to attract...

Five six or seven table spots

Five, six, or seven table spots?

February 19, 2019 2:59 am

I frequently wong and play two hands. This is more difficult on five and six-spot blackjack tables vs. the standard seven-spot...

Professional pntroduction by standford wong

Professional Introduction by Stanford Wong

September 6, 2018 7:19 am
Stanford Wong

Chapter 1 Win Rates This book contains numerous win rates. Their purpose is to aid in understanding the importance of...

Advice to young players considering a blackjack career

Advice to young players considering a blackjack career

April 12, 2018 4:45 am
Sammy Boy

Put the effort into getting a good education. If you work as hard in college as you are in learning blackjack, you will be more...

Maximizing your daily expected value

Maximizing Your Daily Expected Value

December 14, 2017 12:16 pm

The Most Important Factor for Success at Blackjack: Maximize Daily Expected Value (EV) We often see posts here or on Green...

Blackjack fact or fiction

Blackjack Fact or Fiction

August 3, 2017 6:10 am
Emma Byrne

From France to Las Vegas, Blackjack is a well-traveled, popular casino game. Inspiring many movies over the year including 21...

Reality check

Reality check...

December 19, 2016 6:11 am

I think another reason I haven't gotten heat is because my first year was a losing year of almost 15% of my $10k bankroll after 5...

Basic advice for new players

Basic Advice for New Players

December 19, 2016 3:14 am
Coug Fan

Learn the following: 1. Basic strategy 2. Counting / maintaining a running count with distractions - you should be able to...

Job description of a blackjack player

Job Description of a Blackjack Player

December 16, 2016 8:41 am

POSITION DESCRIPTION PROFESSIONAL BLACKJACK PLAYER   Job Summary: This a position which is self supervised. It...

Loving and hating blackjack

Loving and Hating Blackjack

December 16, 2016 8:39 am

Love: My spreadsheet. Best thing I ever did was plug all my play into a spreadsheet that keeps track of EV, St. Dev, and actual...

What the pros look for

What Pro Blackjack Players Look For

December 16, 2016 8:25 am

Professional blackjack and other advantage players pay the rent and buy the groceries with their casino play. When they go into...


basic strategy decision chart

December 16, 2016 8:13 am

LESSON 1: DOWNLOAD ELEMENT Basic Strategy Decision Chart Developed for these rules (as specified in Lesson 1) 6 Decks, S17,...


basic strategy decision exerise

December 16, 2016 8:11 am

LESSON 2: DOWNLOAD ELEMENT Basic Strategy Decision Exercise - Here I've made up a lot of player's starting hands along...


basic strategy decision test

December 16, 2016 8:08 am

Lesson 6: Download Element Basic Strategy Decision Test Hand # Player's Hand Dealer's Up...


basic strategy matrix

December 16, 2016 8:07 am

Lesson 1: Download Element Basic Strategy Matrix Developed for a fairly common game (as described in lesson 1): Six decks,...



December 16, 2016 8:06 am

LESSON 2: DOWNLOAD ELEMENT Basic Strategy Reconstruction Chart Print out this form below and run off a bunch of copies. You...

Hi locount pointvalues

hi-lo count-point values

December 16, 2016 8:05 am

Lesson 4: Download Element   Hi/Lo Counting System - Point Values The Hi/Lo counting system assigns a "point" value...

Multi cardsoft test an

multi-card soft-test-an

December 16, 2016 8:03 am

Multi-Card Soft Hands Test  The Answers Card Hand #1 A, 5 vs. 7, which is hit with another Ace (HIT,...


Optimum bet chart

December 16, 2016 8:02 am

Lesson 5: Download Element Optimum Bet Chart True Count Advantage % Optimum Bet -1 or...


specific bsm

December 16, 2016 8:01 am

How to develop a SPECIFIC Basic Strategy Matrix for any Blackjack game. Go to the Blackjack Strategy...

Why do players tolerate 6 5 blackjack

Why do players tolerate 6:5 blackjack?

May 7, 2019 9:18 am
Lonesome Gambler

There has been so much written about the scourge of 6:5 blackjack, I can't understand why this issue continues to confound anyone...

Blackjack games to avoid just say no to any and all of these ripoff games and wan others


December 19, 2016 3:11 am

6 to 5 "blackjack" Most visitors to casinos play blackjack or other games for entertainment and do not thoroughly study the...

6 to 5 blackjack payout

6 to 5 Blackjack Payout

December 19, 2016 3:04 am
Bill Zender

What is the 6 to 5 Blackjack rule? Every break-in dealer fresh out of dealing school knows what a blackjack pays. You pay...

Online casinos offer a variety of games


August 18, 2021 8:11 am
Good casino customer

  Many people around the world enjoy playing at online casinos. With notable exceptions, most of these folks are not...

Lets talk about online blackjack logic and fortune determine partII

Let’s Talk About Online Blackjack: Logic and Fortune Determine What Becomes of Us [Model of Life] (Part Two)

June 19, 2019 6:04 am
Dejan Gavrilovic

Part 2 — Online blackjack is a powerful builder of healthy strategic habits when consumed in a prudent and disciplined...

Lets talk about online blackjack logic and fortune determine

Let’s Talk About Online Blackjack: Logic and Fortune Determine What Becomes of Us [Model of Life] (Part One)

June 19, 2019 5:40 am
Dejan Gavrilovic

Part 1 — All successful business persons and aspiring life-achievers should try online blackjack. It’s about the...

Blackjack on the go playing mobile at large

Blackjack on the Go: Playing Mobile at Large [Pros & Cons]

June 15, 2019 3:18 am
Dejan Gavrilovic

There is a line between advantages and disadvantages; its length is created by our proclivity, but width — by our...

Blackjack demarcation lines

Blackjack Demarcation Lines: Land-Based vs. Online Variants [Differences of Similarities]

June 14, 2019 3:46 am
Dejan Gavrilovic

Not every summit is the same nor is the path of delivery, but it’s both about the experience of climbing and the...

Live dealer blackjack alive and kicking

Live Dealer Blackjack: Alive and Kicking [Best of All Worlds]

June 12, 2019 4:03 am
Dejan Gavrilovic

To master blackjack is to successfully deal with a hand building the new domain: online, offline, and in between. As a general...

Blackjack branded tables products services communication highway medium

Blackjack Branded Tables: Products & Services Communication Highway Medium [Soon to Speak Too]

June 11, 2019 3:48 am
Dejan Gavrilovic

Blackjack is an optional potential, even battlefield, but casino stations are increasingly becoming a multi-channel...

Blackjack banking options for us players best practices for your money

Blackjack Banking Options for U.S. Players: Best Practices for Your Money [Glancing Overview]

June 10, 2019 7:02 am
Dejan Gavrilovic

Don’t enter the room before knowing how to leave safely, even if it takes you to survey a few — it’s about the...

Playing blackjack online software selection proper preparations

Playing Blackjack Online: Software Selection & Proper Preparations [Hints & Tips]

June 7, 2019 11:01 am
Dejan Gavrilovic

Playing is easy, doing it right is harder, winning is the hardest. It’s not just about you and blackjack but software...

Advantages to playing online blackjack

Advantages to Playing Online Blackjack -- they still exist

August 30, 2017 4:22 am
Brandon James

To the surprise of many brick-and-mortar players, and many who have not played at online casinos since the heyday of beatable...

Online blackjack

Online Blackjack

August 30, 2017 2:29 am

Playing online blackjack safely can be a challenge. Though’s focus has always been advantage play and not play for...

Blackjack the benefits of online play

Blackjack: The Benefits of Online Play

August 20, 2017 1:32 pm
Natalie Stephanopoulos

U.S. players don’t have nearly the number of online gaming options at their fingertips, in comparison to land-based...

The basics getting technical counts online play best online games summary

The Basics Getting Technical Counts Online Play Best Online Games Summary

December 16, 2016 8:28 am

Ever since casinos began offering real money games to players, Blackjack has been one of the most popular games. The appeal of...