Blackjack table

Basic strategy says to stand on a hard 15 against a dealer 2, since the dealer has a real chance to bust and hitting risks busting ourselves.

A hard 20 against a dealer 10 is a strong favorite, so standing is correct basic strategy. Splitting tens gives up that edge.

Hard 17 against a dealer 6 is always a stand in basic strategy. The dealer's bust card makes standing clearly best.

Hard 11 against a dealer 6 is a textbook double under basic strategy. The dealer's bust chance is high and 11 has strong odds of drawing to 21.

Basic strategy for soft 15 against a dealer 3 is to hit, since doubling only pays off against a 4 through 6. Hitting improves the hand with no risk of busting.

Hard 12 against a dealer 3 is a hit under basic strategy, since the dealer's 3 is not weak enough to justify standing on 12.

A hard 17 against a dealer 3 is a stand in basic strategy. Hitting risks a bust, and the dealer's 3 has a fair chance of busting.

Hard 13 against a dealer 10: basic strategy is to hit, since there is no surrender and standing loses more often.

Basic strategy for a multi-deck S17 game says to double a hard 9 against a dealer 3-6. A dealer 4 is weak, so doubling has the highest expected value.

Basic strategy for hard 16 against a dealer 2 is to stand. The dealer has a decent chance to bust, while hitting 16 risks busting often.

Basic strategy for a hard 12 against a dealer 10 is to hit, since standing loses more often against a strong upcard.

Basic strategy says hit hard 13 against a dealer 8, because the 8 is a strong upcard and standing on 13 loses more often than drawing.

Hard 18 against a dealer 8 is a clear stand under basic strategy. Hitting risks a bust, and 18 already beats or ties many of the dealer's likely outcomes.

Basic strategy says to stand on a hard 18 against a dealer 10. Hitting risks busting for little gain.

A hard 5 against a dealer 10 is always a hit under basic strategy. It cannot bust and is too weak to double or stand.

Hard 12 against a dealer 10 is a hit under basic strategy. Standing loses more often because the dealer is strong.

This hard 16 against a dealer 10 is made of four small cards. Composition-dependent strategy favors standing here, because those removed low cards make hitting slightly worse than it would be with a two-card 16.

Basic strategy for a hard 12 against a dealer 9 is to hit. The dealer's strong upcard makes standing worse.

A hard 19 against a dealer 9 is a clear stand under basic strategy. Hitting would risk busting on any card 3 or higher.

Hard 13 against a dealer Ace calls for a hit under basic strategy, since the dealer has already checked and has no blackjack. Surrender is not available.

Basic strategy for a hard 14 against a dealer Ace is to hit, since standing on 14 loses too often against a strong upcard. Surrender is not available here.

Basic strategy for hard 16 against a dealer Ace under S17 with peek is to hit, since surrender isn't available. Standing on 16 loses too often to the Ace.

Basic strategy says to stand on a hard 19 against a dealer 10. Hitting or doubling would risk busting a strong hand.

Hard 11 against a dealer 8 is a standard double in basic strategy. Doubling is legal here and maximizes expected value.

Basic strategy says to hit hard 12 against a dealer 9. The dealer's strong upcard makes standing worse than taking the bust risk.

Basic strategy for a pair of 6s against a dealer Ace (6 decks, S17, dealer peeks, DAS) is to hit. Splitting or standing against an Ace loses more on average.

Hard 13 against a dealer Ace is a hit under basic strategy, since the dealer is strong and standing on 13 loses more often.

Hard 17 against a dealer Ace is a stand in basic strategy, since hitting risks busting more than it gains. Surrender is not available here.