Get closer to 21 than the dealer without going over. Face cards count 10; Aces are 1 or 11.
Single deck. Dealer stands on all 17s. A natural blackjack (Ace + 10) pays 3∶2; any other win pays even money.
Hit draws another card. Stand ends your turn. Double doubles your bet, draws one card, and stands.
↵ deal H hit S stand D double