In most cases the house rules on blackjack will only allow players to double down on two starting hands: a hard 10 and a hard 11. But if you look at a basic strategy chart you
Splitting pairs and doubling down are two of the blackjack plays deemed to be favorites. Mostly because they offer the opportunity to get a little more in one round than the average round. But of the two, double down is the preferred of the two plays. It has the ability to win more money on one hand, whereas with a split pair you might lose one hand and win the other, creating a draw. And that applies to blackjack online as well as in a casino.
But in order to take the most advantage of a double down you need to know the best times in blackjack to double down. Sure you can look on a basic strategy chart and see when those times are, but why at those times? Knowing the why can help enforce when to double down and can keep you doubling down when it