When you are dealt a pair of 4s in blackjack you have three viable playing options:
- Split or
- Double down
Which blackjack strategy you should invoke depends upon what the dealer’s upcard is, the number of decks of cards being used, and whether double down after pair splitting is allowed.
The basic playing strategy for a double- or multi-deck game where doubling down after pair splitting is not allowed (NDAS) is to