Guides
Strategy, table rules, and Hi-Lo — written to match how TwentyOne trains decisions.
Hard 18 against a dealer Ace is a stand in standard blackjack basic strategy. Learn why soft 18 is different, how H17 and S17 affect nearby plays, and which advanced exceptions matter.
Hard 17 against a dealer 2 is a stand in standard blackjack basic strategy. Learn why hitting is worse, how soft 17 differs, and which rules and advanced exceptions matter.
Hard 17 against a dealer 3 is a stand in standard blackjack basic strategy. Learn why hitting is worse, how soft 17 differs, and which table rules matter.
Hard 17 against a dealer 4 is a stand in standard blackjack basic strategy. Learn why hitting is worse, how the dealer’s weak upcard helps you, and why soft 17 is a completely different decision.
Hard 17 against a dealer 5 is a stand in standard blackjack basic strategy. Learn why hitting is worse, the 69.23% immediate bust risk, and why soft 17 is a different decision.
Hard 17 against a dealer 6 is a stand in standard blackjack basic strategy. Learn why hitting is worse, the 69.23% immediate bust risk, and why soft 17 is a different decision.
Hard 17 against a dealer 7 is a stand in standard blackjack basic strategy. Learn why hitting is worse, the 69.23% immediate bust risk, and the soft-hand and rule distinctions that matter.
Hard 17 against a dealer 8 is a stand in standard blackjack basic strategy. Learn why hitting is worse despite the dealer’s strong upcard, plus the bust math, soft-hand distinction, rules, and counting context.
Hard 17 against a dealer 9 is a stand in standard blackjack basic strategy. Learn why hitting is worse despite the dealer’s strong upcard, plus the bust math, rule details, and exceptions that matter.
Hard 17 against a dealer 10 is a stand in standard blackjack basic strategy. Learn why hitting is worse despite the dealer’s strong upcard, plus the bust math, peek rules, and hand-type distinctions that matter.
Hard 17 against a dealer Ace is a stand in standard basic strategy. Learn why hitting is worse, the 69.23% immediate bust risk, and the soft-17 and rule distinctions that matter.
Hard 16 against a dealer 2 is a stand in standard basic strategy. Learn why standing is correct despite the weak total, plus pair, rule, deck-count, composition, and counting distinctions.
