What is Card Counting?

Deepa Menon
Last updated at November 18, 2025, 12:37 PM
  • Games
  • Strategy

Card counting is a blackjack strategy where players track the ratio of high to low cards remaining in the deck to adjust their bets and decisions. This technique aims to gain an edge over the house by betting more when the deck favours the player. In Canada, card counting is legal but casinos counter it with measures like multiple decks and shuffling. Players should understand it carries risks and is not foolproof, promoting responsible play in licensed environments.

Card Counting

How Card Counting Works in Blackjack

Players assign values to cards: low cards (2-6) as +1, neutral (7-9) as 0, high (10-Ace) as -1. A running count tracks the balance; a high positive count signals more high cards left, favouring player hands like blackjacks. The true count adjusts for remaining decks. Basic strategy pairs with counting for optimal play, though success demands practice and discipline.

Card Counting in Canadian Casinos

Licensed casinos use continuous shuffling machines, six-to-eight deck shoes, and table limits to neutralise counters. No laws ban it as skill, but back-offs or bans occur for suspected advantage play. Online live blackjack streams make counting harder due to frequent shuffles. Focus remains on entertainment over edge-seeking in regulated play.

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