number of Blackjack Decks

The number of decks matters in blackjack, but it never tells you by itself whether a game is good. Deck count changes card-removal effects, the frequency of a natural blackjack and a few basic-strategy decisions. The complete rules package—especially a 3:2 or 6:5 blackjack payout, S17 or H17, doubling rules, surrender and penetration—can matter as…