Blackjack Guides
Strategy, rules and EV — each backed by the exact Fullcount calculator.
Blackjack Basic Strategy — Charts, Rules & EV
Learn blackjack basic strategy: when to hit, stand, double, split and surrender. Rule-specific charts and exact EV computed by Fullcount.
Blackjack 21+3 — Payouts, Odds & House Edge
How the 21+3 blackjack side bet works: your two cards plus the dealer up-card as a 3-card poker hand, the common payouts, the odds, and the house edge.
5-Card Charlie in Blackjack — Rule, Odds & Does It Beat Blackjack?
The 5-Card Charlie rule in blackjack: five cards without busting wins automatically. How it works, how much it helps the player, and whether it beats a dealer blackjack.
Blackjack Bankroll Management — Unit Size & Risk of Ruin
Blackjack bankroll management: how to size your unit, what risk of ruin means, the Kelly criterion, and why bankroll matters most for card counters.
Blackjack Bet Spread — Sizing Bets by the Count
How a blackjack bet spread works: ramping your bet with the true count, choosing a spread ratio, bankroll and risk of ruin, and avoiding casino heat.
Blackjack Buster Bet — Payouts, Odds & House Edge
How the Buster Blackjack side bet works: it pays when the dealer busts, scaling with the number of cards, with the common payouts and the house edge.
Blackjack Deviations — Index Plays & the Illustrious 18
Blackjack strategy deviations explained: how true-count index plays override basic strategy, the Illustrious 18, and the EV crossover behind each one.
Blackjack Even Money — Should You Take It?
Should you take even money in blackjack? The math behind the offer, why it is the same bet as insurance, and when declining is the higher-EV play.
Blackjack House Edge — How It Works & By Rule
What the blackjack house edge is, the rules that move it (3:2 vs 6:5, H17, decks, surrender, DAS), and the exact figures for each variant from Fullcount.
Blackjack Insurance — Why You Should Never Take It
Blackjack insurance explained: how the side bet works, the exact math that makes it negative EV, and why basic strategy never takes it.
KO Count (Knock-Out) — Unbalanced Card Counting
The KO (Knock-Out) card counting system: the +1/0/-1 values, why it is unbalanced and needs no true-count conversion, and how it compares to Hi-Lo.
Blackjack Perfect Pairs — Payouts, Odds & House Edge
How the Perfect Pairs blackjack side bet works: mixed, coloured and perfect pairs, the common payouts, the odds of each, and the house edge.
Blackjack RTP — Ranges & How Rules Change It
Blackjack RTP explained: the 98–99.7% range, why RTP is just 100% minus the house edge, how each rule moves it, and the exact figure for your game.
Blackjack Side Bets — 21+3, Perfect Pairs & the Odds
Blackjack side bets explained: how 21+3, Perfect Pairs and Buster work, their payouts and house edge, and why basic strategy ignores them entirely.
Blackjack vs Baccarat — Odds, House Edge & Which Is Better
Blackjack vs baccarat compared: house edge, the role of skill, and which game gives better odds. Blackjack wins on edge if you play correctly.
Blackjack Card Counting — The Hi-Lo System Explained
How Hi-Lo card counting works in blackjack: the +1/0/-1 card values, the running count, why a high count favors the player, and the exact EV behind it.
The Fullcount Method — Full Counting vs Hi-Lo
What the Fullcount strategy is: full card counting that tracks every rank for exact EV, versus Hi-Lo's single-number estimate. Why full counting is the ground truth.
Is Blackjack Skill or Luck?
Is blackjack skill or luck? Both — skill sets your long-run edge through basic strategy and counting, while luck (variance) decides any single session.
Running Count vs True Count in Blackjack
The difference between running count and true count in blackjack card counting: how to convert by decks remaining, and why true count drives your bets.
Blackjack Soft Hands — Soft 17 & 18 Strategy
How to play soft hands in blackjack: soft 17, soft 18 (A,7) and the soft doubles. The Ace's flexibility, the key cut-offs, and exact EV.
What Is EV in Blackjack? Expected Value Explained
Expected value (EV) in blackjack explained: why the game is negative-EV with perfect play, how EV decides every action, and when counting flips it positive.
When to Double Down in Blackjack — Strategy & EV
When to double down in blackjack: the hard 9/10/11 rules, soft doubles, dealer-up-card cut-offs, and the exact EV gain Fullcount computes.
When to Hit or Stand in Blackjack — Strategy & EV
When to hit or stand in blackjack: the dealer-up-card rules for hard totals, the key exceptions, and the exact EV behind each decision.
When to Split Pairs in Blackjack — Chart & EV
When to split pairs in blackjack: always-split and never-split pairs, the DAS-dependent cases, and the exact EV Fullcount computes per rule.
When to Surrender in Blackjack — Strategy & EV
When to surrender in blackjack: the late-surrender hands (16 and 15 vs strong dealer cards), how it cuts the house edge, and the exact EV.