Basic Strategy is the first step to beating blackjack with card counting. Soft 17 (A,6) doubles against dealer 3 through 6, otherwise hit. There are also slight variations in strategy when you play a 6 deck game versus a single deck game.
The original, world-famous strategy charts for to 8- deck blackjack by the up your hand along the left vertical edge and the dealer's up card along the top. Split 2s and 3s against a dealer 4-7, and against a 2 or 3 if DAS is allowed.
To use the basic strategy, look up your hand along the left vertical edge and the dealer's up card along the top. In both cases an A stands for ace. From top to. Blackjack Basic Strategy