Like any game of skill, blackjack requires strategy. Any good game of skill worth the trip to an online gambling site requires good strategy. The most commonly used strategy tool in both online blackjack and blackjack played in a brick and mortar casino is basic strategy.
Basic strategy comes in the form of a chart with player hands running down the left hand side and all of the dealer up cards running across the top. When using basic strategy you find your hand and run it across the line until it intersects with the line of the card the dealer is showing. The play at the intersection is the best statistical play for you to make.
But if you look at a basic strategy chart you notice that it is somewhat divided into three sections based on the player