Most land-based or online casinos will use between six and eight decks of cards on their blackjack tables. Blackjack strategy chartīasic strategy differs slightly depending on how many decks are in the shoe (the box that holds the cards at the blackjack table). Handily for you, the results of all those simulations can be displayed in the following easy-to-read blackjack cheat sheets. This means the decision that’s most likely to have a positive impact on the player’s profit and loss in the long run, so long as they always make the decision basic strategy dictates.īlackjack basic strategy reduces the house advantage from typically around 5 per cent to 0.5 per cent, which is why blackjack is widely regarded as the most profitable game to play at casinos. Over the years, numerous computer simulations of millions of blackjack hands have enabled us to know the optimal decision to make in any situation that can arise in the game. It’s a comprehensive guide to what decision to make whatever your hand and whatever the dealer’s up-card. Basic blackjack strategy is a lot more useful than a few simple hints and tips on how to play blackjack.